ZW12387A1
(en )
1987-09-30
Mining method
GB8701249D0
(en )
1987-02-25
Mine haulage method
GB2227081B
(en )
1992-11-11
Mine
GB8707846D0
(en )
1987-05-07
Backfilling longwall workings
GB8630541D0
(en )
1987-02-04
Charging flowable explosives into boreholes
GB2216711B
(en )
1992-07-08
Process for filling cavities
PL273912A1
(en )
1990-01-22
Method of filling worked-out mine cavities
PL251093A1
(en )
1986-07-01
Method of filling mined-out cavities at longwall workings
PL261280A1
(en )
1987-03-23
Method of filling worked-out voids in underground mines
PL275926A1
(en )
1990-05-28
Method of dewatering underground cavities in particular mines
PL298166A1
(en )
1993-09-06
Method of filling abandoned longwall workings
PL255671A1
(en )
1987-06-01
Method of filling mined-out voids
PL275270A1
(en )
1990-04-17
Method of and arrangement of workings for filling dip-headings
PL248056A2
(en )
1985-04-09
Method of filling mined out workings in mines
PL272961A1
(en )
1989-12-11
Method of filling underground voids in particular abandoned mine workings
GB8806646D0
(en )
1988-04-20
Lemniscate mining supports
SU1592495A1
(en )
1990-09-15
Method of mining veins
PL267198A1
(en )
1989-02-06
Longwall mining method employing dry filling material in particular fly-ashes
PL130409B2
(en )
1984-08-31
Method of filling worked out cavities in mines
ZA874756B
(en )
1988-02-24
Mining method
PL264426A1
(en )
1988-11-24
Self-advancing roof supports for longwall cavities
ZA871090B
(en )
1987-09-30
Backfilling of mine workings
GB8630549D0
(en )
1987-02-04
Powder filling method
PL237772A1
(en )
1984-02-13
Method of filling boreholes opening in underground workings
PL266955A1
(en )
1989-01-23
Method of mining rocky massives in mine workings