Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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
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
GB/T 9442-1998 Foundry silica sand 105.0 via email in 1~3 business day abolished
HB 5352.1-2004 Test method for properties of investment casting shell -- Part 1: Determination of bending strength 90.0 via email in 1~3 business day valid
HB/Z 5019-2004 Casting technique of permanent alnico magnets 120.0 via email in 1~3 business day valid
JB/T 9168.6-1998 Common process instrucions for cutting - Process instructions for boring 30.0 via email in 1~3 business day valid
GB/T 24737.3-2009 Guide for technological management—Part 3:Review of technological efficiency of product design 170.0 via email in 1~3 business day valid
JB/T 9177-1999 Structural main factors for steel die forgings 150.0 via email in 1~3 business day superseded
JB/T 9168.2-1998 Common process instrucions for cutting - Process instructions for turning 30.0 via email in 1~3 business day valid
GB/T 24737.6-2012 Guide for technological management—Part 6:Process optimization and review 310.0 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
HB 5352.3-2004 Test method for properties of investment casting shell -- Part 3: Determination of deformation under load at elevated temperature 90.0 via email in 1~3 business day valid
GB/T 30570-2014 Structural Main Factors of Sheet Metal Stamping Parts 150.0 via email in 1~3 business day valid
HB 5353.6-2004 Test method for properties of investment casting ceramic core -- Part 6: Determination of dissolubility 90.0 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
JB/T 9168.11-1998 Common process instrucions for cutting - Process instructions for laying off 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
GB/T 24737.4-2012 Guide for technological management—Part 4:Design of process program 110.0 via email in 1~3 business day valid
HB 5350.3-2004 Test method for properties of investment casting pattern materials -- Part 3: Determination of bending strength 90.0 via email in 1~3 business day valid
HB 5351.2-2004 Test method for properties of investment casting slurry -- Part 2: The densimeter method for the determination of density 60.0 via email in 1~3 business day valid
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