PL304798A1
(en )
1995-03-06
Mining apparatus and method of mining in underground mines
PL301648A1
(en )
1995-07-10
Method of handling heavy components of mining machinery and equipment in underground workings
GB9318311D0
(en )
1993-10-20
Drilling apparatus and method
PL304306A1
(en )
1996-01-22
Apparatus for continuously moving heavy-duty machinery and equipment in underground mine workings
PL297592A1
(en )
1993-09-06
Flat rope in particular for use in drawing shafts of underground mines
PL311354A1
(en )
1997-05-12
Apparatus for displacing machinery and equipment in mine workings
PL305372A1
(en )
1996-04-15
System for continually moving overhung machinery and equipment in underground mine workings
PL300148A1
(en )
1995-02-20
Method of evaluating existing crump hazard in underground mine workings
PL304589A1
(en )
1996-02-19
Method of filling abandoned underground mine workings and similar underground voids
PL54990Y1
(en )
1997-03-28
Apparatus for tyreating and doing away mining bore-holes
PL306749A1
(en )
1995-06-12
Method of carrying on mining work in underground mines within areas featured by extremely difficult geological and mining conditions
PL291862A1
(en )
1993-04-05
Method of depositing waste in abandoned workings of underground mines and apparatus therefor
PL294806A1
(en )
1993-12-13
Method of identifying mine employees present in underground areas of a mine
GB9312301D0
(en )
1994-01-26
Mine clearing apparatus and method of clearing land mines
PL270897A1
(en )
1989-09-04
Set of equipment for placing power cables in underground mine workings
PL238379A1
(en )
1984-03-26
Method of handling heavy machines and equipment within mine workings
PL301721A1
(en )
1994-07-11
Method of depositing sludges in abandoned underground workings
PL298166A1
(en )
1993-09-06
Method of filling abandoned longwall workings
PL293665A1
(en )
1992-09-07
Method of actively protecting mine workings against bumps and tremors occuring in their surrounding
PL271776A1
(en )
1989-10-16
Control and interlock system for an underground demetanizing station used in deep mines
PL253763A1
(en )
1986-02-25
Set of equipment and machinery for longwall work in mines
PL235615A1
(en )
1983-09-26
Method of handling heavy components in underground workings
PL292540A1
(en )
1993-05-31
Laminated pipe in particular for mining industry and method of making same
PL320308A1
(en )
1998-12-07
System of equipment for locating wastes in abandoned mine workings and variable length belt conveyor for use in conjunction with such system
PL300888A1
(en )
1995-05-02
Method of erecting mining equipment