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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
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SL 364-2006 Technical standard for soil moisture monitoring via email in ABOLISHED please email coc@codeofchina.com for quotation
SL 21-2006 Standard for observations of precipitation via email in ABOLISHED please email coc@codeofchina.com for quotation
SL 383-2007 Specification for river channel change survey via email in VALID please email coc@codeofchina.com for quotation
GBJ 138-1990 Standards for water level observation 1125 (USD) via email in 1-8 business day ABOLISHED
SL 183-2005 Technical standard for groundwater monitoring 1620 (USD) via email in 1-10 business day VALID
GB/T 50095-1998 Standard for essential technical terms and symbols in hydrology 4005 (USD) via email in 1-10 business day ABOLISHED
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