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JY/T 022-1996 General rules for ultraviolet and visible absorption spectrometry 150 (USD) via email in 1-3 business day VALID
ZB N 52005-1989 via email in ABOLISHED please email coc@codeofchina.com for quotation
JY/T 015-1996 General rules for inductivety coupled plasma-atomic emission spectromety 120 (USD) via email in 1-3 business day VALID
GB/T 30431-2013 Gas chromatograph for laboratory 360 (USD) via email in 1-3 business day VALID
GB/T 32206-2015 Standard practice for testing electrolytic conductivity detectors usedin gas chrometography 240 (USD) via email in 1-3 business day VALID
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