SU1104292A1
|
|
Arrangement for setting anchor support
|
SU1076592A2
|
|
Arrangement for supporting mine working roof with rod-type supports
|
SU1059203A1
|
|
Composition for securing roof bolts
|
SU968480A1
|
|
Loading machine
|
SU968437A1
|
|
Apparatus for supporting mine working roof with anchor bolting
|
SU968438A1
|
|
Ampoule securing a steel-polymer anchor bolting
|
SU934038A1
|
|
Anchor roof support erecting apparatus
|
SU933926A1
|
|
Apparatus for drilling holes and wells
|
SU983282A1
|
|
Method of intensifying methane emanation from coal bed in mine
|
SU973860A1
|
|
Apparatus for setting roof bolting
|
SU1055884A2
|
|
Apparatus for supporting dome-roof mine working with roof bolts
|
SU848669A1
|
|
Power roof support unit
|
SU846742A1
|
|
Device for securing with anchors a vault-shaped mine working roof
|
SU846744A1
|
|
Screw anchor
|
SU819360A1
|
|
Apparatus for driving mine workings
|