JB/T 11043.2-2011 Cupola forehearth-Part 2:Technical requirements

GB 5226.1-2002 Safety of machinery—Electrical equipment of machines—Part 1:General requirements GB 5226.1-2008 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 5226.1-2019 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 10089-1988 Accuracy of cylindrical worm and worm wheel 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 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 16938-1997 Fasteners—General requirements for blots,screws,studs and nuts GB/T 16938-2008 Fasteners—General requirements for bolts,screws,studs and nuts GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 25711-2010 Foundry machinery—General technical requirements GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels 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 JB/T 8609-2014 Forging and Machining Machinery Welding Specification JB/T 8609-1997 Forging and Pressing Machinery Welding Specification