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YB/T 5072-1993 Method of determination for pyridine and homoloyues contents of the crude light pyridine 45 (USD) via email in 1-3 business day ABOLISHED
YB/T 3220.13-1987 via email in VALID please email coc@codeofchina.com for quotation
YBB00182003-2015 via email in 1 business day VALID please email coc@codeofchina.com for quotation
YB 319-1965 45 (USD) via email in 1-3 business day ABOLISHED
YB/T 5302-2006 High speed tool steel wire 90 (USD) via email in 1-3 business day ABOLISHED
YB/T 150-1998 Refractory cushion mortar 135 (USD) via email in 1-3 business day ABOLISHED
YBB00292004 via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5251-1993 Ring cores rounded with soft magnetic alloy strips 135 (USD) via email in 1-3 business day ABOLISHED
YB/T 4398-2014 via email in VALID please email coc@codeofchina.com for quotation
YB 1502-1977 via email in ABOLISHED please email coc@codeofchina.com for quotation
YBB00212003-2015 via email in 1 business day VALID please email coc@codeofchina.com for quotation
YB/T 036.5-1992 225 (USD) via email in 1-3 business day VALID
YB/T 2206.2-1998 Test method for thermal shock resistance of castable refractory(Water quenching) 60 (USD) via email in 1-3 business day ABOLISHED
YB 4041-1991 45 (USD) via email in 1-3 business day VALID
YB/T 174.3-2000 Chemical analysis for silicon nitride bonded silicon carbide prodct-Determination of free silicon content-Molybdenm blue photometric method 90 (USD) via email in 1-3 business day
YBB00112003 via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 166-2000 Cold rolled P-added high strength sheets and strips for cold forming 105 (USD) via email in 1-3 business day ABOLISHED
YB/T 547.4-1995 Methods for chemical analysis of vanadium slag—The alkalimetric and reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content 105 (USD) via email in 1-3 business day ABOLISHED
YBB00122002 via email in 1 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 4491-2015 Technical specifications for safety of CCL via email in VALID please email coc@codeofchina.com for quotation
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