GB/T 38275-2019 Lubrication system—Inspection specification

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3287-2000 Malleable cast iron pipe fittings GB/T 3287-2011 Malleable cast iron pipe fittings GB/T 5277-1985 Fasteners—Clearance holes for bolts and screws GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 14436-1993 General principles of industrial product guarantee documents GB 18613-2002 Limited values of energy efficiency and evaluating values of energy conservation of small and medium three-phase asynchronous motors GB 18613-2006 Minimum allowable values of energy efficiency and the energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors GB/T 19052-2003 Acoustics—Noise emitted by machinery and equipment—Rules for the drafting and presentation of a noise test code GB/T 37400.3-2019 Heavy mechanical general technical specification—Part 3:Welding parts GB/T 37400.10-2019 Heavy mechanical general technical specification—Part 10:Assembling GB/T 37400.11-2019 Heavy mechanical general technical specification—Part 11:Piping GB/T 37400.12-2019 Heavy mechanical general technical specification—Part 12:Painting GB/T 37400.13-2019 Heavy mechanical general technical specification—Part 13:Packaging NB/T 47004.1-2017 Plate Heat Exchanger Part 1: Removable Plate Heat Exchanger NB/T 47007-2018 Air-cooled heat exchanger NB/T 47045-2015 Brazed plate heat exchanger GB/T 3287-2024 Malleable cast iron pipe fittings GB 50093-2013 Code for construction and quality acceptance of automation instrumentation engineering NB/T 47007-2010 Air-cooled heat exchangers NB/T 47045-2024 NB/T 47045-2024 Brazed plate heat exchanger GB 50171-2012 Code for construction and acceptance of switchboard outfit complete cubicle and secondary circuit electric equipment installation engineering GB/T 191-2025 Graphical symbols marking for handling and storage of packages NB/T 47004.1-2025 Panel-type heat exchanger Part 1: Removable-type panel-type heat exchanger