PL257688A1
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1986-10-21
Method of consolidating geological formations
PL261362A1
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1987-08-10
Method of consolidating earth formations
GB2217021B
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1992-04-29
Determining the swelling-clay content of earth formations
GB8700924D0
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1987-02-18
Determining caliber of borehole
ZA895648B
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1990-06-27
Method of assay
GB8817215D0
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1988-08-24
Method of determining porosity of underground formation being drilled
GB2183831B
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1989-11-01
Method and apparatus for determining the porosity of geological formations
GB8812213D0
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1988-06-29
Method of assay
SU1488460A1
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1989-06-23
Method of determining rock permeability factor of aeration zone
GB8718338D0
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1987-09-09
Determining progress of mining
US4947381A
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1990-08-07
Detection of subterranean anisotropy
PL272979A1
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1989-12-11
Method of obtaining 2-amin-4-mitrophenol
SU1488508A1
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1989-06-23
Method of consolidating rock
SU1488502A1
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1989-06-23
Method of consolidating rock
PL280032A1
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1990-02-05
Method of mining low thickness seams of useful minerals
SU1488480A1
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1989-06-23
Method of determining rock pressure
PL282590A1
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1991-06-03
Method of mining useful minerals
PL257853A1
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1988-02-04
Method of mining useful minerals through bore-holes and apparatus therefor
RO99558B1
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1990-06-29
Method for objetifying the zone for the biologically inhibiting manifestation of the artificially generated radiestezic signal
PL271661A1
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1989-10-16
Method of obtaining teather-like polyurethane polomeric materials
PL274925A1
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1990-04-02
Method of obtaining modified novolacks
CS8803324A1
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1989-09-12
Method of n-butoxymethylmetacrylamide or n-isobutoxymethylmetacrylamide production
PL260613A1
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1988-03-31
Method of increasing permeability of porous sedimentary rocks
PL281912A1
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1991-04-22
Method of obtaining mining explosives
CS295988A1
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1989-05-12
Method of diamondide compounds detection