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JB/T 8338-2012 Bonded abrasive products — Grinding Wheel for ball-base face of bearing via email in VALID please email coc@codeofchina.com for quotation
GB/T 4127.15-2007 Bonded abrasive products—Dimensions—Part 15:Grinding wheels for cutting-off on stationary or mobile cutting-off machines via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 7993-2012 Chemical analysis methods for boron carbide via email in VALID please email coc@codeofchina.com for quotation
GB/T 2481.2-2020 Bonded abrasives—Determination and designation of grain size distribution—Part 2:Microgrits (USD) via email in 1-5 business day TO BE VALID
JB/T 7988.2-1999 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 3234-2012 Superabrasive — Polyctystalline diamond die blanks for wire drawing via email in VALID please email coc@codeofchina.com for quotation
JB 3235-1983 (USD) via email in 1-3 business day ABOLISHED
JB/T 7990-1998 (USD) via email in 1-3 business day ABOLISHED
JB 3233-1984 (USD) via email in 1-3 business day ABOLISHED
GB/T 5766-1996 Test method for Rockwell hardness for friction materials via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 4165-2008 Coated abrasives-Vulcanized fibre discs-Technical specifications (USD) via email in 1-3 business day ABOLISHED
GB/T 2485-2008 Bonded abrasive products - Technical specifications via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4676-2003 Abrasive grains—Ssampling and splitting via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15305.1-1994 Coated abrasives. Abrasive sheets-Dimensions and tolerances via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 23538-2009 Conventional abrasive - Testing method for toughness ( Ball mill method ) (USD) via email in 1-3 business day VALID
JB/T 3236-1992 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 7997-2012 Chemical analysis methods for almandine via email in VALID please email coc@codeofchina.com for quotation
JB/T 10590-2006 Coated abrasive products -- Dimensional tolerances on non-standard conversions (USD) via email in 1-3 business day VALID
JB/T 3889-1994 Abrasive sheets via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 33144-2016/XG1-2019 Superabrasive—Test method of impact toughness index,includes Amendment 1 (USD) via email in 1 business day VALID
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