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MT/T 720-1997 Technical conditions of automatic preventing explosion and extinguish device for the gas drainage piping (USD) via email in 1-3 business day VALID
MT 637-1996 (USD) via email in 1-3 business day
MT/T 1031-2006 (USD) via email in 1-3 business day VALID
MT/T 1173-2019 Measuring method for gas permeability coefficient of coal seam—Radial flow method via email in VALID please email coc@codeofchina.com for quotation
DB37/T 3191-2018 Detailed rule for the system of screening for and elimination of industry commerce and trade hidden risks of work safety accidents via email in 1 business day VALID please email coc@codeofchina.com for quotation
MT/T 867-2000 Self-contained positive pressure compressed oxygen respirator (USD) via email in 1-3 business day VALID
MT/T 700-2019 General technical conditions of inhibitor for coal mine fire prevention via email in VALID please email coc@codeofchina.com for quotation
AQ/T 2050.5-2016 The applicable guide of standardized specification of work safety for small-scale and opencast quarries via email in VALID please email coc@codeofchina.com for quotation
AQ 6210-2007 General technical conditions of the system for the management of the underground personnel in a coal mine (USD) via email in 1-3 business day VALID
MT/T 1023-2006 Judging method of infusibility for coal seam infusion (USD) via email in 1-3 business day VALID
MT 67-1994 (USD) via email in 1-3 business day ABOLISHED
AQ 1055-2018 Specifications of design inspection and completion acceptance for safety devices in coal mine construction project via email in VALID please email coc@codeofchina.com for quotation
MT/T 1172-2019 Technical specification of movable grouting pumping station in coal mines via email in VALID please email coc@codeofchina.com for quotation
MT/T 703-2008 Electro-chemical type carbon monoxide instrumentation for coal mine (USD) via email in 1-3 business day VALID
MT/T 1024-2006 General specification of mining hole sealing pump (USD) via email in 1-3 business day VALID
AQ 2007.5-2006 The applicable guide of standardized specification of work safety for small-scale and opencast quarries (USD) via email in 1-3 business day ABOLISHED
AQ 2061-2018 Safety technical specifications for water prevention and control in metal and nonmetal underground mines via email in VALID please email coc@codeofchina.com for quotation
MT/T 842-1999 Coal mine gas-proportioning device (pressure method) specifications (USD) via email in 1-3 business day VALID
LD 68-1994 Code for Monitoring Safety Technology of Lifting Winch for Coal Mine via email in 1 business day VALID please email coc@codeofchina.com for quotation
DB37/T 3164-2018 Implementation Guidelines for the Management and Control System of Risk Classification for Production Safety of Underground Hard clay ore via email in 1 business day VALID please email coc@codeofchina.com for quotation
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