GB2220688B
(en )
1992-01-22
Method and apparatus for gravel packing
GB2216926B
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1992-08-12
Drilling method and apparatus
GB8913067D0
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1989-07-26
Multiple-set packer and method
HU896364D0
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1991-07-29
Method of and apparatus
EP0358433A3
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1990-07-18
Construction apparatus and construction method
ZA88413B
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1988-07-06
Method of excavation and apparatus therefor
GB8918477D0
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1989-09-20
Method of packaging
PL275270A1
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1990-04-17
Method of and arrangement of workings for filling dip-headings
GB2218078B
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1992-11-25
Method of and apparatus for packaging
PL272979A1
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1989-12-11
Method of obtaining 2-amin-4-mitrophenol
BG47724A1
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1990-09-14
Method and composition for preparing of polyesteralcohols
PL265263A1
(en )
1988-11-10
Method of filling workings and pipeline therefor
GB2263992B
(en )
1995-07-12
Noncorruptible read-writer and method
SU1488486A1
(en )
1989-06-23
Method and unit for coal-mining
PL274238A1
(en )
1990-02-19
Method of and arrangement of workings for clarification of filling material carrying water
CS870188A1
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1990-05-14
Method of 4-amino-1-phenyl-chloro-6-pyridazone
PL255671A1
(en )
1987-06-01
Method of filling mined-out voids
IE882526L
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1989-02-19
Expression method and apparatus
PL251532A1
(en )
1986-07-15
Method of and apparatus for mining filled longwalls
IL86087A0
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1988-09-30
Apparatus and method for filling applications
BG47295A1
(en )
1990-06-15
Method and device for making of underground stopes
BG47102A1
(en )
1990-05-15
Derivatives of cyclohexylthiocarbamide and method for its preparing
PL273988A1
(en )
1990-02-05
Method of obtaining 3-p-acetylaminobenzene sulfonamido-5-methylisoxazole
PL149036B2
(en )
1989-12-30
Method of obtaining 2-methylthiosemicarbazide
PL273742A2
(en )
1989-04-17
Method of obtaining 5-nitrobenzimidazolone-2