Air regulating systems in mining; wing air doors for haulage tracks; double-wing type doors without pressure reduction.
€63.27
Underground lighting in hardcoal mining; lighting-technological planning bases; material handling places
€34.30
Underground lighting in hardcoal mining; lighting-technological planning bases for building sites
Underground lighting in hardcoal mining; lighting-technological planning bases; workshops and special premises
Underground lighting in hardcoal mining; lighting-technological planning bases; pit-bottom
Air regulation systems in mining; wing air doors for haulage tracks; double-wing type doors with pressure reduction
Shaft sinking; rope suspension gears for load hoisting in shafts; safety requirements and testing
€41.78
Shaft sinking; chain suspension gears for load hoisting in shafts; safety requirements and testing.
Electrical apparatus for potentially explosive atmospheres for mining; cable entries; safety requirements and testing
€48.79
Drilling derricks; design principles
Suspended monorails for mining; rope positions, mounting devices, clearance dimensions for bogies
Shaft sinking; abutment for guide ropes; safety requirements and testing
Auxiliary ventilation for mining; sheet airducts, with collars and loose flanges
Shaft sinking; riders for winding kibbles; safety requirements and testing
€56.17
Auxiliary ventilation for mining; cladding material for flexible airducts; requirements, testing
