Classification for lead in coal
Classification for mercury in coal
The specification of belt conveyor rollers rubber cover used in coal mine
Fiber-reinforced plastics cable support rack in coal mine
Plastic woven fabric protecting top-plane in coal mine
The technical specifications of the remotely initiated blasting in danger face of coal(rock) and gas outburst
The technical specifications in driving the cross-cut an outburst seam by the concussion blasting method
Technical specifications of outburst prevention by advance degassing holes in coal roadway drivage face
Coated fabrics for explosion-suppression water bag for coal mining
Technical specifications of the procedures for exposing outburst seams by a crosscut
Coal slurry cake breaking-drying machine
Low-speed winch
Two-speed multi purpose winch
Technical requirements for catcher
Test of density and moisture and sympathetic detonation of industrial explosive
Technique qualification of small diameter tube explosive
Technical qualification resist burning detonate generatrix in coal mine
High-tensile steel compact chains for mining
Boom-type roadheader-Series and parameters of scraper round link chain and driving sprocket
Model KL cap lamp
Single-rope cage for 0.5 t 1 t mine-car in shaft
Drop shatter test of industrial briquette
General specifications for the determinator of fusibility of ash
General specifications of the instrument for determination of fluorine and chlorine in coal
General specifications for carbon and hydrogen analyzer -- coulometric and gravimetric method
General specifications of Audibert-Arnu dilatometer
General specifications for determinator of plastometric indices of bituminous coal
General specifications of mechanical crusher and divider by hammer
General specifications for determinator of sulfur by coulometric titration
Test method and adjudgement of safety of permissible explosive in grime and inflammable gas
Coal sizing crusher
The inspecting specification on safety technique for underground air compressors
General specifications of determinater of the abrasion index of coal
Flameproffhigh-Voltage cable coupling devices for coal mine
Increased safety high-voltage cables connecting box for coal mine
Increased safety low-voltage cables connecting box for coal mine