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GB/T 1543-2005 Paper and board—Determination of opacity (paper backing)—Diffuse reflectance method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 27741-2011 GB/T 27741-2011 (USD) via email in 1-3 business day ABOLISHED
GB/T 459-2002 Paper and board--Determination of demensional instability via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 22906.4-2008 Testing of cores—Part 4:Measurement of dimension (USD) via email in 1-3 business day VALID
GB 8941.3-1988 Paper and board Measurement of specular gloss (75°) (USD) via email in 1-3 business day ABOLISHED
GB 7976-1987 Insulating paper and board-Determination of the electrical conductivity for the water extract (USD) via email in 1-3 business day ABOLISHED
GB/T 22898-2008 Paper and board—Determination of tensile properties—Constant rate of elongation method (100 mm/min) (USD) via email in 1-3 business day VALID
GB 8943.1-1988 Paper,board and pulp - Determination of copper content (USD) via email in 1-3 business day ABOLISHED
GB/T 10340-2008 Paper and board - Determination of filtering rate (USD) via email in 1-3 business day VALID
GB/T 461.3-1989 Paper and board; Determination of absorption after immersion in water via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 23175-2008 Pulp - Determination of fiber length (raster method) (USD) via email in 1-3 business day VALID
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