Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
MT/T 842-1999 Coal mine gas-proportioning device (pressure method) specifications $90.00 immediately valid
MT/T 845-1999 Technical specification of leakage detection withSF6 tracer gas in roadways of coal mines $100.00 via email in 1~3 business day valid
MT/T 855-2000 General technical conditions of pressure balance chamber for mine fire control $224.00 via email in 1~3 business day valid
MT/T 987-2007 Technical conditions for mobile gas drainage pumping station of underground coal mine $120.00 via email in 1~3 business day valid
NB/T 10367-2019 Term and Definition of Gas Utilization in Coal Mine $180.00 via email in 1~3 business day valid
NB/T 10516-2021 Standard for quality evaluating of surface coal mine installation engineering $285.00 via email in 1~3 business day valid
NB/T 10541-2021 Flow transducer for mine $255.00 via email in 1~3 business day valid
NB/T 10545-2021 Fiber optic obstacle finder for mine $210.00 via email in 1~3 business day valid
NB/T 10546-2021 Ethylene transducer for coal mine $225.00 via email in 1~3 business day valid
NB/T 10850-2021 Code for engineering design of forced increase of coal seam permeability in underground coalmine $270.00 via email in 1~3 business day valid
NB/T 10851-2021 Detection and evaluation method of permeability enhancement and effective range of underground hydraulic fracturing in coal mine $180.00 via email in 1~3 business day valid
NB/T 10853-2021 Code for technology of coalbed methane well group of surface extraction in coal mining area $105.00 via email in 1~3 business day valid
NB/T 10854-2021 Consultation and evaluation methods for comprehensive control of coal mine gas $285.00 via email in 1~3 business day valid
NB/T 10856-2021 Technical specification for ultrahigh pressure hydraulic slotting operation in coal mine $150.00 via email in 1~3 business day valid
NB/T 11167-2023 Technical specification for solid phase particles sealing of gas drainage boreholes in coal mines $150.00 via email in 1~3 business day valid
NB/T 11169-2023 Technical specification for directional drilling of long borehole for underground gas drainage in coal mines $150.00 via email in 1~3 business day valid
NB/T 11325-2023 Technical requirements of intelligent gas safety drainage system in coal mine $180.00 via email in 1~3 business day valid
NB/T 11328-2023 The laboratory determination method on the sensitive predictive indexsensitivity and its critical value used in outburst in coal roadway $315.00 via email in 1~5 business day valid
NB/T 11329-2023 The one-stop automatic method of determining coalbed gas content in coal mine $225.00 via email in 1~3 business day valid
NB/T 11330-2023 Specification for the use of gas and water inrush prevention devices forunderground water exploration holes in coal mines $195.00 via email in 1~3 business day valid
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