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JB/T 9179.4-1999 Machining allowance and tolerancd of open die forgings on hydraulic press - Disk and punched hole via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9168.8-1998 Common process instrucions for cutting - Process instructions for grinding via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 9181-1999 Structural design specifications for precision hot forgings of straight bevel gear via email in 1-3 business day please email coc@codeofchina.com for quotation
JB/T 9177-1999 Structural main factors for steel die forgings via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 8930-1999 Specification quality of control of stamping process via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9179.8-1999 Machining allowance and tolerancd of open die forgings on hydraulic press - Ring via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 4378.2-1999 General specificatons of sheet metal stamping parts via email in 1-3 business day please email coc@codeofchina.com for quotation
JB/T 5109-2001 Technological design specification of bending for sheet metal via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 9180.2-1999 General specifications for cold extruded steel parts via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9174-1999 Compiling method of technological norm for die forgings material consumption via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 50436-2007 Code for design of technology of wire rod mill 375 (USD) via email in 1-3 business day ABOLISHED
GB/Z 28283-2012 Guide for simulation and modeling of thermal processing 240 (USD) via email in 1-3 business day VALID
JB/T 9168.7-1998 Common process instrucions for cutting - Process instructions for broaching via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 9180.1-1999 Dimensional tolerance for cold extruded steel parts via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9179.7-1999 Machining allowance and tolerancd of open die forgings on hydraulic press - Cylinder via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9178.2-1999 Classification of compiexity and equivalent cofficient of open die forgings on hydraulic press via email in 1-3 business day please email coc@codeofchina.com for quotation
JB/T 9168.12-1998 Common process instrucions for cutting - Process instructions for laying out via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 9168.10-1998 Common process instrucions for cutting - Process instructions for numerically-controlled machining via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 9179.3-1999 Machining allowance and tolerancd of open die forgings on hydraulic press - Stepped shaft via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9168.5-1998 Common process instrucions for cutting - Process instructions for drilling via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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