HG/T 3170-1989 Specification for portal scraper

GB/T 1182-1996 Geometrical tolerancing—Generalities, definitions, symbols, indications on drawings GB/T 1182-2008 Geometrical Product Specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out GB/T 1182-2018 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form,orientation,location and run-out GB/T 1300 GB/T 1591-1994 High strength low alloy structural steels GB/T 1591-2008 High strength low alloy structural steels GB/T 1591-2018 High strength low alloy structural steels GB/T 1801-1999 Limits and fits—Selection of tolerance zones and fits GB/T 1801-2009 Geometrical Product Specifications (GPS)—Limits and fits—Selection of tolerance zones and fits GB/T 2106 GB/T 3323-1987 Methods for radiographic inspection and classification of radiographs for fusion welded butt joints in steel GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X-and gamma-ray techniques with digital detectors GB/T 4942.2-1993 Degrees of protection provided by enclosures for low-voltage apparatus GB/T 5117-1995 Carbon steel covered electrodes GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels GB/T 5293-1999 Carbon steel electrodes and fluxs for submerged arc welding GB/T 5293-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels GB/T 5676 GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB 7251.1-1997 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies GB 7251.1-2005 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies GB/T 7251.1-2013 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 7251.1-2023 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways) GB 7251.2-2006 Low-voltage switchgear and controlgear assemblies—Part 2:Particular requirements for busbar trunking systems (busways) GB/T 7251.2-2023 Low-voltage switchgear and controlgear assemblies—Part 2:Power switchgear and controlgear assemblies GB 7251.3-1997 Low-voltage switchgear and control gear assemblies—Part 3:Particular requirements for low-voltage switchgear and control gear assemblies intended to be installed in places where unskilled persons have access for their use—Distribution boards GB/T 7251.3-2006 Low-voltage switchgear and control gear assemblies—Part 3:Particular requirements for low-voltage switchgear and control gear assemblies intended to be installed in places where unskilled persons have access for their use—Distribution boards GB/T 7251.3-2017 Low-voltage switchgear and controlgear assemblies—Part 3:Distribution boardsintended to be operated by ordinary persons(DBO) GB 7251.4-1998 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 7251.4-2006 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 7251.4-2017 Low-voltage switchgear and controlgear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB 7251.5-1998 Low-voltage switchgear and control gear assemblies—Part 5:Particular requirements for assemblies intended to be installed outdoors in public places—Cable distribution cabinets (CDCs)for power distribution in networks GB/T 7251.5-2008 Low-voltage switchgear and controlgear assemblies—Part 5:Particular requirements for assemblies for power distribution in public networks GB/T 7251.5-2017 Low-voltage switchgear and controlgear assemblies—Part 5:Assemblies for power distribution in public networks GB/T 7251.5-2025 Low-voltage switchgear and controlgear assemblies—Part 5:Assemblies for power distribution in public networks GB/T 7251.6-2015 Low-voltage switchgear and controlgear assemblies—Part 6:Busbar trunking systems(busways) GB/T 7251.7-2015 Low-voltage switchgear and controlgear assemblies—Part 7:Assemblies for specific applications such as marinas,camping sites,market squares,electric vehicles charging stations GB/T 7251.7-2025 Low-voltage switchgear and controlgear assemblies—Part 7:Assemblies for specific applications such as marinas,camping sites,market squares,electric vehicle charging stations GB/T 7251.8-2005 Low-voltage switchgear and controlgear assemblies—General technology requirement for intelligent assemblies GB/T 7251.8-2020 Low-voltage switchgear and controlgear assemblies—Part 8:General technical requirements for intelligent assembly GB/T 7251.10-2014 Low-voltage switchgear and controlgear assemblies—Part 10:Guidance to specifying assemblies GB/T 7251.10-2025 Low-voltage switchgear and controlgear assemblies—Part 10:Guidance to specifying assemblies GB/T 7251.12-2013 Low-voltage switchgear and controlgear assemblies—Part 2:Power switchgear and controlgear assemblies GB 7324-1994 General purpose lithium lubricating grease GB/T 7324-2010 General purpose lithium lubricating grease JB 1152 JB/T 1614-1994 The mechanical properties test method for welded joints of boiler pressure elements JB 179 JB 180 JB 2759 JB 3964 Technical Specifications for YB 3210-1980 High Manganese Steel Castings