CJ/T 536-2019 Adjustable weir-gate

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding GB/T 985.2-2008 Recommended joint preparation for submerged arc welding GB/T 985.3-2008 Recommended joint preparation for gas-shield arc welding on aluminium and its alloys GB/T 1176-1987 Specification for cast copper alloys GB/T 1176-2013 Casting copper and copper alloys GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 1348-1988 Spheroidal graphite iron castings GB/T 1348-2009 Spheroidal graphite iron castings GB/T 1348-2019 Spheroidal graphite iron castings GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 3280-1992 Cold rolled stainless steel sheets and plates GB/T 3280-2007 Cold rolled stainless steel plate, sheet and strip GB/T 3280-2015 Cold rolled stainless steel plate, sheet and strip GB/T 3797-2005 Electrical control assemblies GB/T 3797-2016 Electrical control assemblies GB/T 4237-1992 Hot rolled stainless steel sheets and plates GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip GB/T 4237-2015 Hot rolled stainless steel plate,sheet and strip GB/T 4622.1-2003 Specification and symbol of spiral wound gaskets GB/T 4622.1-2009 Classification for spiral wound gaskets GB/T 4622.1-2022 Spiral wound gaskets for pipe flanges—Part 1:PN designated GB/T 4622.2-2003 Types and dimensions for spiral wound gaskets for pipe flanges GB/T 4622.2-2008 Dimensions for spiral wound gaskets for pipe flanges GB/T 4622.2-2022 Spiral wound gaskets for pipe flanges—Part 2:Class designated GB/T 4622.3-2007 Specification of spiral wound gaskets GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification GB/T 5796.4-2005 Trapezoidal screw threads—Part 4:Tolerances GB/T 6388-1986 Transport package shipping mark GB/T 6414-1999 Castings—System of dimensional tolerances and machining allowances GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 10095.1-2001 Cylindrical gears—system of accuracy—Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth GB/T 10095.1-2008 Cylindrical gears—System of accuracy—Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth GB/T 10095.1-2022 Cylindrical gears—ISO system of flank tolerance classification—Part 1:Definitions and allowable values of deviations relevant to flanks of gear teeth GB/T 10095.2-2001 Cylindrical gears-system of accuracy—Part 2:Definitions and allowable values of deviations relevant to radial composite deviations and runout information GB/T 10095.2-2008 Cylindrical gears—System of accuracy—Part 2:Definitions and allowable values of deviations relevant to radial composite deviations and runout information GB/T 10095.2-2023 Cylindrical gears—ISO system of flank tolerance classification—Part 2:Definitions and allowable values of double flank radial composite deviations GB/T 11365-1989 Accuracy of bevel and hypoid gears GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 14647-1993 Chloroprene rubber CR121 GB/T 14647-2008 Chloroprene rubber CR121、CR122 GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GJB 8797 JB/T 5000.12-1998 Heavy Machinery General Technical Specification for Painting JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint JB/T 5936-2018 General technical specification for mechanical machining parts of engineering machinery JB/T 5936-1991 Engineering machinery - Machining parts general technical specification JB/T 5943-2018 Engineering Machinery Welding Components General Technical Specification JB/T 5943-1991 General technical specification for welding parts of construction machinery JB/T 8687-2013 Pump products sampling inspection JB/T 8687-1998 Pump products sampling inspection SJ 20893