FR1247454A
(en )
1960-12-02
Device for guiding a drilling tool
BE609258A
(en )
1962-02-15
Roller box for guiding a towing cable, preferably intended for suspended tracks in underground mining operations
FR1177481A
(en )
1959-04-24
Cable winch with swivel cable guide
FR1361864A
(en )
1964-05-29
Walk recording equipment for shearer or mining slaughter machine
CA952896A
(en )
1974-08-13
Oil well derrick with guide track for travelling block dolly
FR86439E
(en )
1966-02-04
Walk recording equipment for shearer or mining slaughter machine
FR1328624A
(en )
1963-05-31
Improvements to slaughtering devices for mining operations
FR1142761A
(en )
1957-09-23
Improvements to pulleys or the like for overhead cable carriers
PL98497B1
(en )
1978-05-31
SYSTEM FOR GUIDING THE STEEL ROPE FOR THE RUNWAY DRUM IN THE MINE UNDERGROUND
FR1303830A
(en )
1962-09-14
Pulley box intended for guiding a towing cable for suspended tracks, in service mainly in installations at the bottom of mines
FR1128829A
(en )
1957-01-10
Cable tie with thimble, in particular for mining installations in mine shafts
CA606943A
(en )
1960-10-18
Dragging equipment detecting system for railroads
CA594567A
(en )
1960-03-15
Guide for a traveling web
FR1202304A
(en )
1960-01-08
Improvements made to devices and processes for gradually digging slaughter corridors, more especially underground mining corridors
FR1328618A
(en )
1963-05-31
Improvements to slaughtering devices for mining operations
FR1121381A
(en )
1956-08-13
Steel guide rail for mine shaft extraction installation
CA609890A
(en )
1960-12-06
Continuous mining apparatus for longwall mining
FR1085329A
(en )
1955-01-31
Braking device for mining machines and mine winches
FR1202782A
(en )
1960-01-13
Equipment for carrying out underground work
FR1231448A
(en )
1960-09-29
Cable pulley for mine shaft extraction installations
BE599360A
(en )
1961-07-20
Upgrades to monorail transporter installations for bundle irradiation
FR1236444A
(en )
1960-07-15
Roller hauler for coal mining
FR1247216A
(en )
1960-10-17
Lubricants for guide rails and metal cables, intended in particular for use in mine shafts
FR1411840A
(en )
1965-09-24
Improvements to winch drums, in particular for winding a cable
CA609885A
(en )
1960-12-06
Apparatus for continuous mining