ZA78705B
(en )
1979-01-31
Process for recovery of mineral values from underground formations
JPS53124501A
(en )
1978-10-31
Method of improving coal
SU648597A1
(en )
1979-02-25
Additive to process of water extraction of bitumen from bituminous rock
CA975697A
(en )
1975-10-07
Recovery of bitumen from sludge resulting from hot water extraction of tar sands
PL207923A1
(en )
1979-04-23
METHOD OF ENHANCING CRUSHED COAL
CA975698A
(en )
1975-10-07
Recovery of bitumen from sludge resulting from hot water extraction of tar sands
CA975699A
(en )
1975-10-07
Recovery of bitumen from sludge resulting from hot water extraction of tar sands
CA975696A
(en )
1975-10-07
Recovery of bitumen from sludge resulting from hot water extraction of tar sands
CA1031690A
(en )
1978-05-23
Recovery of bitumen from tar sands
CA975700A
(en )
1975-10-07
Recovery of bitumen from sludge resulting from hot water extraction of tar sands
JPS5288168A
(en )
1977-07-23
Process for giving water retentivity to soil
JPS54136713A
(en )
1979-10-24
Method of muddy water horizontal auger construction
JPS53124502A
(en )
1978-10-31
Method of improving coal
JPS548312A
(en )
1979-01-22
Method of changeeover construction of road* track* etc* to underground line
JPS5310628A
(en )
1978-01-31
Method of waterproofing by using asphalt concrete waste
JPS5622843A
(en )
1981-03-04
Method of executing waterproofing to asphalt
JPS53118421A
(en )
1978-10-16
Recovery of asphalt from asphalt mixture
CA1021281A
(en )
1977-11-22
Method for storing sludge recovered from the hot water extraction of bitumen from tar sands
JPS5427211A
(en )
1979-03-01
Method of construction of improving line ground
JPS5428328A
(en )
1979-03-02
Method of making asphalt composition
JPS5428327A
(en )
1979-03-02
Method of making asphalt composition
JPS5424413A
(en )
1979-02-23
Method of construction of injection to ground
CA1000632A
(en )
1976-11-30
Method of treating effluents from hot water extraction of bitumen from tar sands
GB2006815B
(en )
1982-03-24
Production of liquid hydrocarbons from coal
JPS54112528A
(en )
1979-09-03
Gravel excavator by method of shield construction