MX147446A
(en )
1982-12-03
IMPROVED PROCEDURE FOR BENCHENE ETILATION
BR7801029A
(en )
1979-01-02
METHOD FOR FORMING TOTAL DIELETRIC INSULATION
MX5049E
(en )
1983-03-03
IMPROVED TOOL FOR LAND DRILLING
MX148824A
(en )
1983-06-24
IMPROVED METHOD FOR PURIFYING METALS
AR217338A1
(en )
1980-03-14
OIL RECOVERY DEVICE
MX150027A
(en )
1984-03-05
IMPROVED METHOD FOR EXTRACTING MINERALS BY SOLUTION
MX5683E
(en )
1983-12-09
IMPROVED PROCEDURE FOR OBTAINING HIGHLY PURIFIED OILY PHOSFATIDYLCHOLINE
SE416220B
(en )
1980-12-08
oil recovery PUMP
MX150771A
(en )
1984-07-13
IMPROVED METHOD FOR OBTAINING ADEME DRILLINGS
MX5352E
(en )
1983-06-28
IMPROVED PROCEDURE FOR OBTAINING ALQUENILSUCCINIMIDAS
MX148160A
(en )
1983-03-22
IMPROVED PROCEDURE FOR OBTAINING ALCOXISILANES
BR8008635A
(en )
1981-07-28
METHOD FOR EXTRACTION OF SHALE OIL
MX149742A
(en )
1983-12-15
IMPROVED METHOD FOR SEPARATING GAS MIXTURES
DK415878A
(en )
1979-03-22
METHOD FOR REMOVING NITROSINES
NO782614L
(en )
1979-04-18
COLLECTION OIL FOR SPILL OIL.
AR221845A1
(en )
1981-03-31
PROCEDURE FOR OBTAINING NEW N1-GLUCOFURANOSID-6-I1-N3-UREAS
MX148760A
(en )
1983-06-14
IMPROVED PROCEDURE FOR THE PURIFICATION OF A LUBRICATING OIL
GB2011503B
(en )
1982-02-17
Viscous oil recovery method
MX5041E
(en )
1983-02-25
IMPROVED METHOD FOR THE RECOVERY OF HYDROCARBONS FROM ITS UNDERGROUND FIELD
MX152388A
(en )
1985-07-10
METHOD FOR OBTAINING AN IMPROVED ELECTROCHROMIC DEVICE
ES501261A0
(en )
1982-04-01
PROCEDURE FOR OBTAINING MALEINATE OILS
MX150350A
(en )
1984-04-23
IMPROVED MINING THERMAL METHOD FOR OIL PRODUCTION
MX150942A
(en )
1984-08-23
IMPROVED METHOD FOR OBTAINING APATITA MINERAL CONCENTRATES
MX146120A
(en )
1982-05-18
IMPROVED METHOD FOR TERTIAL OIL RECOVERY
MX4082E
(en )
1981-12-04
IMPROVED PROCESS FOR DEPAFFINING OIL