GB2197895B
(en )
1990-06-06
Well penetration apparatus and method
GB2191186B
(en )
1989-11-01
In situ hazardous waste treating apparatus and method of using same
HUT45876A
(en )
1988-09-28
Method and apparatus for drying liquiform materials
EP0219301A3
(en )
1988-12-21
Improved microfinishing apparatus and method
HU896364D0
(en )
1991-07-29
Method of and apparatus
EP0235699A3
(en )
1988-09-21
Steam-shower apparatus and method of using same steam-shower apparatus and method of using same
GB2173132B
(en )
1988-06-02
Boring process and apparatus
ZA88413B
(en )
1988-07-06
Method of excavation and apparatus therefor
PL263576A1
(en )
1988-01-21
Calcination method and apparatus
GB2215694B
(en )
1991-11-27
Method of and apparatus for conveying material
IL80200A0
(en )
1986-12-31
Cementitious mixtures and method
PL257965A1
(en )
1987-11-02
Method of handling materials in mine workings and apparatus therefor
GB2192920B
(en )
1990-01-17
Method of excavation and apparatus therefor
GB2178332B
(en )
1989-12-28
Apparatus and method for processing sand
DE3665677D1
(en )
1989-10-26
Method and apparatus for spray-impregnating materials
PL250422A1
(en )
1985-08-13
Method of operation of open-flame tunnel kiln and open-flame tunnel kiln
DE3566110D1
(en )
1988-12-15
Method and apparatus of processing slurries containing rock
GB2168261B
(en )
1988-04-13
Method of mixing materials and apparatus therefor
GB2169867B
(en )
1988-09-14
Lifting method and apparatus
GB2152558B
(en )
1986-12-17
Mining method and apparatus
PL240880A1
(en )
1984-09-10
Method of handling mine-run in mine workings of large inclination
PL262353A1
(en )
1987-07-27
Method of processing mine wastes and apparatus therefor
PL256153A1
(en )
1987-07-13
Method of mechanizing loading and handling of rock blocks and apparatus therefor
PL239413A1
(en )
1984-07-02
Method of displacing liquids and gases in particular within mine workings and apparatus therefor
PL271031A1
(en )
1989-09-18
Method of and apparatus for protecting roofs in driven gallery-type workings