FR1243563A
(en )
1960-10-14
Improvements in the mining of mineral deposits
BE594501A
(en )
1961-02-28
Corridor for the descent of coal or other minerals, usable in particular in mines.
FR1266121A
(en )
1961-07-07
Corridor for the descent of coal or other minerals, usable in particular in mines
BE598721A
(en )
1961-04-14
Equipment for the extraction of coal and other minerals, by cutting or planing, usable in particular in mines
FR1276610A
(en )
1961-11-17
crew for the extraction of coal and other minerals, by cutting or planing, usable in particular in mines
BE612500A
(en )
1962-07-10
Latch activated for coal extraction, usable in particular in mines
FR1246615A
(en )
1960-11-18
Machine for extracting coal or other minerals, usable in particular in mines
FR1118378A
(en )
1956-06-05
Downpipe for coal or other bulk materials, particularly usable in mines
BE601450A
(en )
1961-07-17
Device for the extraction of coal or other minerals.
FR1346966A
(en )
1963-12-27
equipment for the removal and removal of coal, usable in particular in mines
FR86158E
(en )
1965-12-24
crew for the extraction of coal and other minerals by cutting or planing, usable in particular in mines
BE602967A
(en )
1961-08-16
Constant velocity joint.
FR1308546A
(en )
1962-11-03
Mooring device for coal mining crew, usable in particular in mines
BE613715A
(en )
1962-08-09
Equipment for the removal and removal of coal, usable in particular in mines
FR1307500A
(en )
1962-10-26
crew for leveling or lowering galleries, usable in particular in mines
BE611873A
(en )
1962-04-16
Flow regulator for coal or other pulverized materials.
FR1344196A
(en )
1963-11-29
Plane activated for coal extraction, usable in particular in mines
BE597137A
(en )
1961-03-15
Metal post, in particular for the support of mine freezings.
BE618097A
(en )
1962-11-26
Ram plane for the extraction of coal by percussion, usable in particular in mines for cutting operations
FR1235059A
(en )
1960-07-01
Slaughtering device with conveyor for mechanical mining of coal or other minerals in the form of veins
FR1287136A
(en )
1962-03-09
Device for mining coal or other minerals
FR1254357A
(en )
1961-02-17
Suspended, identification or sealing lead
BE616728A
(en )
1962-10-22
Coal mining plane
BE583862A
(en )
1960-02-15
Connecting plate for the side members of suspended tracks.
FR77131E
(en )
1962-01-19
Wheel loader for coal mines and others