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JB/T 7776.3-2008 Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 3:Determination of nickel content (USD) via email in 1-3 business day VALID
JB/T 7776.5-1995 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/Z 93-1966 via email in ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9551-1999 Standard test method for thermal deflection rate of spiral and helical coils of thermostat metals via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 12940-2008 Technical specification for silver-graphite electrical contacts (USD) via email in 1-3 business day VALID
GB/T 26872-2011 Metallographic atlas of electrical contact materials (USD) via email in 1-10 business day VALID
GB/T 27751-2011 Specification for AgNiC contact (USD) via email in 1-3 business day VALID
JB/T 4107.3-2014 via email in VALID please email coc@codeofchina.com for quotation
JB/T 7776.3-1995 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 7777.1-1995 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 5351-1991 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 7129-2008 Test method for per meter resistance in continuous measurement (USD) via email in 1-3 business day VALID
GB/T 29628-2013 Guides for methods of measurement of the magnetic properties of permanent(magnetically hard) materials by pulsed field magnetometry (USD) via email in 1-3 business day VALID
JB/T 7780.3-1995 (USD) via email in 1-3 business day ABOLISHED
JB/T 7774.4-1995 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 6237.1-2008 Test methods for chemical analysis of silver powder for electric contact material—Part 1:Determination of silver content (USD) via email in 1-3 business day VALID
JB/T 6237.3-1992 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 6237.9-2008 Test methods for chemical analysis of silver powder for electric contact material—Part 9:Determinatiln of nitrate content (USD) via email in 1-3 business day VALID
JB/T 6326.11-1992 (USD) via email in 1-3 business day ABOLISHED
JB/T 4107.5-2014 via email in VALID please email coc@codeofchina.com for quotation
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