Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 25134-2010 Optical measurement specification of 3D geometry for forgings/stampings and the dies 170.0 via email in 1~3 business day valid
GB/T 13915-2013 Tolerance of angles for stamping parts 110.0 via email in 1~3 business day valid
JB/T 4385.2-1999 Classification for complexity & equivalent coefficient of open die forgings on hammer 90.0 via email in 1~3 business day valid
GB/T 9442-1998 Foundry silica sand 105.0 via email in 1~3 business day abolished
HB/Z 5019-2004 Casting technique of permanent alnico magnets 120.0 via email in 1~3 business day valid
JB/T 9168.10-1998 Common process instrucions for cutting - Process instructions for numerically-controlled machining 30.0 via email in 1~3 business day valid
HB 5353.1-2004 Test method for properties of investment casting ceramic core -- Part 1: Determination of apparent porosity water absorption and bulk-density 90.0 via email in 1~3 business day valid
GB/T 15055-2007 Permissible stamping variations in dimenstions without tolerance indication 40.0 via email in 1 business day valid
HB 5352.2-2004 Test method for properties of investment casting shell -- Part 2: Determination of deformation under weight at elevated temperature 90.0 via email in 1~3 business day valid
JB/T 4381-2011 Permissible limit deviation in dimensionswithout tolerance indication for shearing of metal plate 120.0 via email in 1~3 business day valid
GB/T 6060.1-1997 Roughness comparison specimens - Cast surfaces 40.0 via email in 1 business day valid
HB 5351.8-2004 Test mehtod for properties of investment casting slurry -- Part 8: The laser speedy mensuration method for the determination of refractory powder granularity 90.0 via email in 1~3 business day valid
JB/T 9168.8-1998 Common process instrucions for cutting - Process instructions for grinding 30.0 via email in 1~3 business day valid
GB/T 6060.2-2006 Roughness comparison specimens—Ground,turned,bored,milled,shaped and planed 90.0 via email in 1~3 business day valid
HB 5351.3-2004 Test method for properties of investment casting slurry -- Part 3: The volumetry for the determination of density 90.0 via email in 1~3 business day valid
GB/T 22124.1-2008 Equipment manufacturing oriented product life-cycle technology knowledge - Part 1: Classification of general manufacturing technology 720.0 via email in 1~3 business day valid
JB/T 9168.4-1998 Common process instrucions for cutting - Process instructions for planing(shaping) and slotting 30.0 via email in 1~3 business day valid
HB 5350.6-2004 Test method for properties of investment casting pattern materials -- Part 6: Determination of viscosity 75.0 via email in 1~3 business day valid
QJ 2355-1992 Process Specification for the Chemical Milling of Copper Alloy 90.0 via email in 1~3 business day valid
HB 5350.1-2004 Test method for properties of investment casting pattern materials -- Part 1: Determination of linear shrinkage 90.0 via email in 1~3 business day valid
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