GB2212199B
(en )
1991-07-31
Method of steering the working front in underground mine workings
GB8701249D0
(en )
1987-02-25
Mine haulage method
GB8334290D0
(en )
1984-02-01
Making boreholes in underground mine workings
PL275472A1
(en )
1989-05-16
Apparatus for mechanized mining of minerals in particular coal
PL266955A1
(en )
1989-01-23
Method of mining rocky massives in mine workings
GB8628125D0
(en )
1986-12-31
Reducing ignition risk in mine workings
PL248056A2
(en )
1985-04-09
Method of filling mined out workings in mines
PL273861A1
(en )
1990-01-22
Method of and arrangement of workings for mining minerals
SU1243168A1
(en )
1995-10-27
Method of recultivation of ground disturbed in coal mining
PL248564A1
(en )
1986-01-14
Method of providing fire-safe zones in underground mine workings
SU1517410A1
(en )
1990-12-30
Method of mining ore veins
PL240880A1
(en )
1984-09-10
Method of handling mine-run in mine workings of large inclination
ZA871090B
(en )
1987-09-30
Backfilling of mine workings
PL247539A1
(en )
1985-12-17
Method of mining coal in a longwall system
PL252066A1
(en )
1986-08-26
Apparatus for mining rocky formations in a mine shaft
SU1592485A1
(en )
1990-09-15
Method of selective excavation of mineral strata
PL274728A1
(en )
1990-03-19
Method of loosening floor rocks in underground mine workings and apparatus therefor
PL265650A1
(en )
1988-11-24
Method of placing smoke-box dusts in mine workings
PL267849A3
(en )
1989-05-16
Method of and apparatus for arresting mining cras in inclined mine workings
PL272961A1
(en )
1989-12-11
Method of filling underground voids in particular abandoned mine workings
PL241601A2
(en )
1984-02-27
Method of limiting displacements of rocks in mine workings from beneath of rocks and clamping the lining of such workings
PL252355A1
(en )
1985-12-03
Underground coal mining method
PL252637A1
(en )
1986-10-07
Method of forecasing risks of crumps in particular in coal mines
PL253270A1
(en )
1986-11-18
Method of detecting crump hazard conditions in underground mine workings
PL261280A1
(en )
1987-03-23
Method of filling worked-out voids in underground mines