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GB/T 26180-2010 Method of measuring and specifying colour rendering of light sources (USD) via email in 1-3 business day VALID
GB 7771-1987 Measurement of special metamerism index change in illuminant (USD) via email in 1-3 business day ABOLISHED
GB/Z 26208-2010 Testing of supplementary systems of photometry (USD) via email in 1-10 business day VALID
GB/T 1832-1979 Determination of magnesium oxide content in tin concentrates--Xylidyl blue Ⅱ photometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3977-2008 Specification of colors (USD) via email in 1-3 business day VALID
GB/T 21898-2008 Method of specification for textile colors (USD) via email in 1-5 business day VALID
GB 12983-2004 STANDARD color sample of antional flag via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14077-1993 Measurement specification for birefractance crystal and polarizer via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 12983-1991 Standard color sample of national flag via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3978-2008 Standard illuminants and geometric conditions (USD) via email in 1-3 business day VALID
GB/T 5433-2008 Test method for the transmittance of domestic glass (USD) via email in 1-3 business day VALID
GB/T 17749-1999 Methods of whiteness specification via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 31430-2015 Names and colorimetric characteristics of traditional colors in China (USD) via email in 1-3 business day VALID
GB 14778-1993 General rules of coloured light for safety via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 26179-2010 The spectroradiometric measurement of light sources (USD) via email in 1-5 business day VALID
GB/T 1830-1979 Determination of aluminium oxide content in tin concentrates;Chromazurol S photometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 7921-1997 Uniform colour space and colour difference formula (USD) via email in 1-3 business day ABOLISHED
GB/T 8415-2001 Method for assessing the quality of daylight simulators via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 6390-1986 Colour standard for use in the geological map (USD) via email in 1-3 business day VALID
GB/T 13170.1-1991 Test charts of reflection for television?Multiple test chart (USD) via email in 1-3 business day ABOLISHED
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