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QX/T 407-2017 Occupational ability evaluation for inspection technicians of lightning protection system via email in VALID please email coc@codeofchina.com for quotation
QX/T 375-2017 Specification for meteorological information service supervision and inspection via email in VALID please email coc@codeofchina.com for quotation
QX/T 409-2017 Specifications for agrometeorological observation—Tomato via email in VALID please email coc@codeofchina.com for quotation
QX/T 342-2016 Specifications for meteorological disaster warning information encoding via email in VALID please email coc@codeofchina.com for quotation
QX/T 475-2019 Technical requirements for air negative ions automatic measurement instrument—Capacitance inhalation via email in VALID please email coc@codeofchina.com for quotation
QX/T 153-2012 Specification for tree-ring gray value data acquisition via email in VALID please email coc@codeofchina.com for quotation
GB/T 33584.4-2017 Seawater quality requirements and analysis methods for seawater cooling system—Part 4:Determination of sulfate 120 (USD) via email in 1-3 business day VALID
DB37/T 3223-2018 Design specifications of lightning protection for video surveillance and control system via email in VALID please email coc@codeofchina.com for quotation
GB/T 17838-2017 Specification for the shipsauxiliary marine hydrology and metereological observations 720 (USD) via email in 1-5 business day VALID
GB/T 21983-2020 180 (USD) via email in 1-3 business day VALID
QX/T 450-2018 Technical specifications for lightning protection of separate and explosion-proof skid-mounted refueling device via email in VALID please email coc@codeofchina.com for quotation
HY/T 152-2013 Speciation of trivalent arsenic and pentavalent arsenic in sea water by atomic fluorescence spectroscopy 180 (USD) via email in 1-3 business day VALID
QX/T 349-2016 Technical specification for meteorogical legislation via email in VALID please email coc@codeofchina.com for quotation
QX/T 356-2016 Guidelines for meteorological disaster prevention and mitigation demonstration community via email in VALID please email coc@codeofchina.com for quotation
GB/T 33584.2-2017 Seawater quality requirements and analysis methods for seawater cooling system—Part 2:Determination of zinc 120 (USD) via email in 1-3 business day VALID
HY/T 154-2013 Technical data requirement of delimitation of continental shelf and exclusive economic zone 180 (USD) via email in 1-3 business day VALID
GB/T 20484-2006 Grading of cold air 105 (USD) via email in 1-3 business day ABOLISHED
QX/T 380-2017 Grade of air negative(oxygen)ion concentration via email in VALID please email coc@codeofchina.com for quotation
HY/T 257-2018 Application guide for the construction of marine environment monitoring laboratory information management system via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 34301-2017 Technical specifications for tornado damage investigation 300 (USD) via email in 1-3 business day VALID
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