CH369868A
(en )
1963-06-15
Process for forming a quartz-metal seal and seal obtained by this process
FR1083617A
(en )
1955-01-11
Method for restoring the wall of a well, in particular an oil well
FR1177450A
(en )
1959-04-24
Lubricant additives manufacturing process
DK89481C
(en )
1960-08-08
Process for the preparation of N- (5-nitro-2-furfurylidene) -3-amino-3,4,5,6-tetrahydro-1,3-oxazin-2-one.
SU76811A1
(en )
1949-11-30
Grease preparation method
FR1133416A
(en )
1957-03-27
Improvements to a process for increasing the efficiency of an oil well
CH305462A
(en )
1955-02-28
Method of manufacturing a dial.
FR1112430A
(en )
1956-03-14
Process for the manufacture of copolymers of a 2-arylalkene-1, and of an alpha, beta-olefinic aldehyde, and their derivatives
FR1105242A
(en )
1955-11-29
Process to sink the casing of a well
DK86781C
(en )
1959-01-19
Method for forming concrete pipes and a machine for carrying out the method.
CH323396A
(en )
1957-07-31
Machining process.
DK82587C
(en )
1957-03-25
Process for the preparation of a mineral acid salt of O-glycyl- (1) -serine or O-glycyl- (d, 1) -serine.
DK82588C
(en )
1957-05-13
Process for the preparation of a mineral acid salt of O-glycyl- (1) -serine or O-glycyl- (d, 1) -serine.
DK82487C
(en )
1957-03-18
Process for the preparation of a mineral acid salt of O-glycyl- (1) -serine or O-glycyl- (d, 1) -serine.
DK84108C
(en )
1957-12-16
Process for the preparation of a mineral acid salt of O-glycyl- (1) -serine or O-glycyl- (d, 1) -serine.
DK84259C
(en )
1958-01-20
Process for the production of 15,15'-cis-β-carotene.
DK83976C
(en )
1957-12-02
Method of making a punching tool.
FR1188046A
(en )
1959-09-18
Wall scraping device, especially for oil wells
DK88209C
(en )
1959-11-30
Process for the preparation of a calcium chloride double salt of calcium pantothenate.
FR1116818A
(en )
1956-05-14
Method for increasing the gain of a rotary regulator
DK85053C
(en )
1958-02-17
Process for the preparation of a chymotrypsin-containing preparation.
BE537237A
(en )
1959-03-27
PROCESS FOR THE PREPARATION OF A DICETENE.
GR14812B
(en )
1953-11-23
BELL MAKING MACHINE FOR MECHANIZED CEMENT PIPES.
DK77200C
(en )
1954-03-01
Method for producing a certain kind of drops, the so-called "roks", and machine for carrying out the method.
BE587889A
(en )
1960-08-22
Method of establishing a new refrigerant packaging.