General technical condition of borehole density logging instrument for mining
General technical condition of all-direction borehole inclinometer for mining
Structure and parameters of the idler rollers for boom roadheaders
Technical specification for drain of mine water during the period of production
Technical reguirement for hydrochemistry approach in coal mine water control
Flameproof submerge electric pump for coal mine
Flameproof submersible sewage motor pump for mining and tunneling face of mine-Technical condition
Specification for prevention against the stray corrent of underground traction network of coal mines
Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
Steel cord fire resistant conveyor belting for coalmine
Drill rod of raise boring machine for coal mine
Grading of raise boring machine quality for coal mine
Spraying nozzle for shearer -- Outlet diameters and connecting threads
Spraying nozzle for shearer---Outlet diameters and connecting threads
General technical condition for electrical apparatus used underground mine
Dimension series of vibrating screen for coal
Special type lead acid batteries for coal mine
TLL vertical scraper discharge cenrifuge
Belt conveyor frame for coal mining -- Form and basic size
Technical condition of belt conveyor idler bearing for coal mining
Principal dimensions of idler sets for belt conveyors for coal mining
Test method and decision rule for coal flotation cells with water-only
Test method and decision rule for coal jig with water-only
Technical conditions of coal flotation cells with oblique impeller
Technical requirements of water gel explosive
Technical conditions of jet flotation cells for coal
Belt disalignment transducer for coal mining