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NY/T 2368-2013 Criterion for observation and evaluation on water use efficiency in farmland—General principles 150 (USD) via email in 1 business day VALID
NY/T 2367-2013 Determination of permanent wilting water content in soil—Biological method 60 (USD) via email in 1-3 business day VALID
NY 1260-2007 Mazimum Limits of Benzene Toluene and Xylene for Irrigation Water Quality via email in VALID please email coc@codeofchina.com for quotation
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