FR1239056A
(en )
1960-08-19
Abrasion cutting device
FR1215468A
(en )
1960-04-19
Snow guard device
FR1235882A
(en )
1960-07-08
Coal felling device consisting of a plane guided along a conveyor, usable in particular in mines
BE582684A
(en )
1960-03-15
Coal felling device consisting of a plane guided along a conveyor, usable in particular in mines
FR1220670A
(en )
1960-05-27
Device for the extraction of coal by means of a planing crew guided along a conveyor, usable in particular in mines
FR1176589A
(en )
1959-04-13
Extraction device, usable in particular in mines
FR1214098A
(en )
1960-04-06
Advancement device for mine transport wagons
FR1221089A
(en )
1960-05-31
Support device, usable in particular in mines
BE598559A
(en )
1961-06-27
Method and device for percussion coal felling, usable in particular in mines.
FR1272404A
(en )
1961-09-22
Belt support device in a conveyor
FR1210515A
(en )
1960-03-09
Method and device for the felling of coal, usable in particular in mines
FR1307460A
(en )
1962-10-26
Belt conveyor suitable for use in mines
FR1336170A
(en )
1963-08-30
Conveyor device
FR1186718A
(en )
1959-08-31
Advance and blocking device for pruning conveyors, usable in particular in mines
FR1248331A
(en )
1960-12-09
Hydraulic device for mooring the main drive mechanism of a pruning conveyor, usable in particular in mines
FR1221372A
(en )
1960-06-01
Method and device for slaughtering in mines
FR1308546A
(en )
1962-11-03
Mooring device for coal mining crew, usable in particular in mines
FR1351394A
(en )
1964-02-07
Plane for cutting and loading coal, usable in particular in mines
FR1272806A
(en )
1961-09-29
Conveyor device
FR1376443A
(en )
1964-10-23
Plane guided on a conveyor which can be used in particular in coal mines
FR76295E
(en )
1961-09-29
Extraction device, usable in particular in mines
FR1243264A
(en )
1960-10-07
Mobile device allowing the drive station of a very long mobile gallery transporter to be moved laterally, usable in particular in mines
FR78497E
(en )
1962-07-27
Mooring device for conveyor placed in front of a working face, usable in particular in mines
FR78250E
(en )
1962-06-22
Mooring device for conveyor placed in front of a working face, usable in particular in mines
FR1235886A
(en )
1960-07-08
Mooring device for conveyor placed in front of a working face, usable in particular in mines