AR211220A1
(en )
1977-11-15
ELECTROTHERMAL METHOD TO BRING OIL
AR225396A1
(en )
1982-03-31
OIL WELL PUMP
TR16796A
(en )
1973-05-01
OBTAINING LUBRICATION OILS
AR200231A1
(en )
1974-10-31
AN ELECTRO-THERMAL METHOD TO STIMULATE THE EXTRACTION OF OIL
BR7015785D0
(en )
1973-02-20
FLUID PUMP
TR17217A
(en )
1976-03-20
OIL EXTRACTION PROCEDURES
SU439969A3
(en )
1974-08-15
The method of obtaining substituted benzenesulfonylurea
AT296482B
(en )
1972-02-10
Oil pump
AR203709A1
(en )
1975-10-15
IMPROVED ELECTROTHERMAL METHOD TO STIMULATE OIL EXTRACTION
SU437302A3
(en )
1974-07-25
The method of obtaining arylphenylmethylchlorosilanes
AR197502A1
(en )
1974-04-15
METHOD TO PRODUCE DEACETOXYPHALOSPORIN C
IS1954A7
(en )
1970-10-21
Oil extraction method
AR193611A1
(en )
1973-05-11
A METHOD TO PREPARE QUINOXALINE-DI-N-OXIDES
IT1053740B
(en )
1981-10-10
METHOD TO EXTRACT PECTIN
AR210042A1
(en )
1977-06-30
AN IMPROVED PROCEDURE FOR CRUDE OIL RECOVERY
FI44793C
(en )
1972-01-10
Method of separation of substances.
ES165408Y
(en )
1971-09-01
PUMP FOR THE EXTRACTION OF PASTOSE SUBSTANCES.
BG15767A3
(en )
1972-05-20
OIL EXTRACTION METHOD
ES148707Y
(en )
1970-04-16
DEVICE TO FACILITATE THE REALIZATION OF KINELISTIC COMBINATIONS.
SU445190A3
(en )
1974-09-30
Device for extracting oil mist
DOP1969001565A
(en )
1975-04-26
APPARATUS FOR THE EXTRACTION OF JUICE.
SU503020A1
(en )
1976-02-15
The method of extraction of coal plost
ES144971Y
(en )
1970-01-01
TOOL TO FACILITATE THE PLACEMENT OF HINGES.
SU265043A1
(en )
1970-03-09
The method of obtaining vitamin B12
ES151647Y
(en )
1970-08-01
BLOCKS FOR THE ERECTION OF PARAMETERS.