AU576567B2
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1988-09-01
Refilling voids in underground mine workings
GB8701249D0
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1987-02-25
Mine haulage method
GB2185052B
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1988-10-19
Method for charging flowable explosives into upwardly extending boreholes
GB8334290D0
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1984-02-01
Making boreholes in underground mine workings
PL261280A1
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1987-03-23
Method of filling worked-out voids in underground mines
PL272961A1
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1989-12-11
Method of filling underground voids in particular abandoned mine workings
PL248056A2
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1985-04-09
Method of filling mined out workings in mines
PL237772A1
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1984-02-13
Method of filling boreholes opening in underground workings
PL273912A1
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1990-01-22
Method of filling worked-out mine cavities
PL263809A1
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1988-09-15
Method of filling underground voids in salt mines and apparatus therefor
PL249715A2
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1985-07-30
Method of and apparatus for filling underground mine workings
PL263099A1
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1988-09-01
Method and device for suspending leads in underground mining excavations
PL266955A1
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1989-01-23
Method of mining rocky massives in mine workings
PL255671A1
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1987-06-01
Method of filling mined-out voids
PL263168A3
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1988-09-01
The method of emergency commutation in underground mines
PL275926A1
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1990-05-28
Method of dewatering underground cavities in particular mines
PL237807A2
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1983-06-20
Method of preventing crumps in underground mines
PL251093A1
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1986-07-01
Method of filling mined-out cavities at longwall workings
PL298166A1
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1993-09-06
Method of filling abandoned longwall workings
PL304589A1
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1996-02-19
Method of filling abandoned underground mine workings and similar underground voids
BG47295A1
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1990-06-15
Method and device for making of underground stopes
PL261336A1
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1988-06-09
Method and device for sealing in underground mines
ZA881120B
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1988-10-26
Method of waterproofing in a mine
PL252355A1
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1985-12-03
Underground coal mining method
PL253270A1
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1986-11-18
Method of detecting crump hazard conditions in underground mine workings