RO66095A2
(en )
1983-02-01
PROCESS AND INSTALLATION INSTALLATION FOR SANDING WASTE
GB2048354B
(en )
1983-08-03
Mineral mining installation
JPS5589388A
(en )
1980-07-05
Separation of hydrocarbon
RO82086A
(en )
1983-07-07
PROCESS AND INSTALLATION FOR RECOVERY OF MATERIALS FROM USED DEACUMULATOR BATTERIES
MX155373A
(en )
1988-02-24
IMPROVED METHOD FOR THE REDUCTION OF A MINERAL FROM IRON TO SPONGE IRON
RO78330A
(en )
1982-03-24
PROCESS AND INSTALLATION FOR CARBON GAZIFICATION
ES495933A0
(en )
1981-09-16
METHOD OF REDUCING PARTICULAR IRON MINERAL
MX153396A
(en )
1986-10-07
INSTALLATION AND IMPROVED METHOD FOR MINERAL MINING
NL7810154A
(en )
1979-06-15
PROCEDURE FOR IMPROVING MINERAL WASTE COVERINGS FOR ROAD CONSTRUCTION.
MX5041E
(en )
1983-02-25
IMPROVED METHOD FOR THE RECOVERY OF HYDROCARBONS FROM ITS UNDERGROUND FIELD
GB2027471B
(en )
1982-07-21
Mineral mining
GB2036138B
(en )
1982-11-03
System for undersea recovery of hydrocarbons
ZA793393B
(en )
1980-10-29
Mineral mining installation
ZA782375B
(en )
1979-12-27
Process for the reclamation of waste hydrocarbon oils
RO79692A2
(en )
1982-08-17
PROCESS AND INSTALLATION FOR THE RECOVERY OF MINERAL PARTICULAR HYDROCARBONS
JPS5396005A
(en )
1978-08-22
Method of refining hydrocarbon fractions
GB2016556B
(en )
1982-05-12
Mineral mining
ZA792388B
(en )
1980-06-25
Process and device for the finegranular fractionation of ores and mineral substances
BR8205598A
(en )
1983-08-30
MODIFIED CRUDE TOLUENE DIISOCIANATE
GB2039574B
(en )
1982-11-17
Mineral mining installation
BR7900816A
(en )
1979-09-04
HEAVY HYDROCARBON THERMOLISE PROCESS
JPS5431427A
(en )
1979-03-08
Method of regenerating waste asphalt aggregate
CS190952B1
(en )
1979-06-29
Process for the purification of waste water from pyrolyse of petroleum,petroleum fractions and hydrocarbons
JPS5620246A
(en )
1981-02-25
Method of laying drainpipe
GB2034370B
(en )
1982-08-11
Mineral mining installation