GB2180576B
(en )
1988-07-27
Improvements in mineral mining installations
PL252749A1
(en )
1986-10-07
Method of reducing fire risks in underground headings or workings
GB8706859D0
(en )
1987-04-29
Workings in hard rock
GB8628125D0
(en )
1986-12-31
Reducing ignition risk in mine workings
PL252637A1
(en )
1986-10-07
Method of forecasing risks of crumps in particular in coal mines
PL241732A2
(en )
1984-03-12
Method of actively extingushing fire in particular in mine workings
PL256238A1
(en )
1988-04-14
Method of sealing mine workings in particular dog headings
PL248564A1
(en )
1986-01-14
Method of providing fire-safe zones in underground mine workings
PL255481A1
(en )
1987-04-21
Method of ventilating mine workings and apparatus therefor
PL240257A1
(en )
1984-07-30
Method of protecting galleries and workings
GB2152558B
(en )
1986-12-17
Mining method and apparatus
PL251521A1
(en )
1986-07-15
Method of indicating and recording presence of workers at predetermined places in underground mine workings
GB8622849D0
(en )
1986-10-29
Mine chock construction
PL245257A2
(en )
1984-10-22
Method of protection of mine dog headings and tunnels
PL253270A1
(en )
1986-11-18
Method of detecting crump hazard conditions in underground mine workings
PL246623A2
(en )
1985-01-16
Method of reducing a risk of crumps in underground mines
PL240880A1
(en )
1984-09-10
Method of handling mine-run in mine workings of large inclination
GB8518211D0
(en )
1985-08-29
Control & support of strata underground in mines
PL252413A1
(en )
1986-01-28
Method of protecting miners in crump endangered workings
PL268154A1
(en )
1989-04-17
Method of and system for sealing mine workings
PL268401A2
(en )
1988-08-18
The method of liquidation of a fire hazard and gas hazard in mining excavations
PL248056A2
(en )
1985-04-09
Method of filling mined out workings in mines
PL265650A1
(en )
1988-11-24
Method of placing smoke-box dusts in mine workings
ZA841318B
(en )
1984-10-31
Lightweight building block for use in underground mines
PL263168A3
(en )
1988-09-01
The method of emergency commutation in underground mines