GB2202705B
(en )
1991-09-11
System for detecting underground objects
GB2203913B
(en )
1991-09-11
System for detecting underground objects
JPS57127098A
(en )
1982-08-07
Machine for mining coal and or rock in level
ZA883180B
(en )
1989-01-25
Automated underground haulage truck
GB2167924B
(en )
1988-07-06
Arrangement for controlling a powered support system used in underground mining
EP0383362A3
(en )
1990-09-05
Method for backfilling underground excavations, in particular in coal mines
CS211787A1
(en )
1989-02-10
Device for muck drawing in underground drifts with track haulage
GB2000483B
(en )
1982-01-06
Apparatus for covering continuous conveyors used in underground coal mining
GB2172636B
(en )
1988-01-27
Improvements in machines for use in mining or tunnelling
GB2086566B
(en )
1984-08-08
Probe equipmetn for use in underground mining
GB2188961A
(en )
1987-10-14
Device for working out drifts in hard rock
YU49777A
(en )
1982-06-30
Track for single-rail cable railways for operation in an underground mine
GB8511145D0
(en )
1985-06-12
Device for use in underground mining
PL271020A1
(en )
1989-09-04
System for cooling air in underground mine workings
GB2165210B
(en )
1988-12-21
Transportable device for use in coal mining
GB2217752B
(en )
1992-05-06
A method for safeguarding the face cutting length in underground mine workings and a roadway support arch adapted for the method
GB9017114D0
(en )
1990-09-19
Device for sinking galleries or the like in underground mining or the like
GB2172919B
(en )
1988-06-08
Shearer drum for a drum shearer-loader used in underground mining
GB2058895B
(en )
1983-03-09
Underground mine roof support system and supports for use in such a system
ZA872544B
(en )
1987-11-25
Safety device and method for underground mining
PL267496A1
(en )
1989-03-20
Device for ceiling mining in a heading
GB2097445B
(en )
1985-01-23
Advancing means for coal-getting machines for use in underground mining
ZA856505B
(en )
1986-09-24
Support suitable for use in underground mines
PL271776A1
(en )
1989-10-16
Control and interlock system for an underground demetanizing station used in deep mines
PL263099A1
(en )
1988-09-01
Method and device for suspending leads in underground mining excavations