FR810490A
(en )
1937-03-22
Improvements in sponge rubber manufacturing processes
FR881420A
(en )
1943-04-23
Improvements to repair plasters for tire casings and to the processes for manufacturing them
FR947370A
(en )
1949-06-30
Improvements in polymerization processes
BE444411A
(en )
1942-03-31
Improvements in rubber manufacturing processes
FR972408A
(en )
1951-01-30
Improvements in rubber manufacturing processes
FR972455A
(en )
1951-01-30
Rubber improvement processes
FR882357A
(en )
1943-06-01
Improvements in rubber manufacturing processes
FR882271A
(en )
1943-05-28
Improvements in vulcanization processes
FR972456A
(en )
1951-01-30
Rubber improvement process
FR46901E
(en )
1936-11-07
Improvements to vinyl resin manufacturing processes
FR881151A
(en )
1943-04-16
Plasticizers for rubber compounds
FR977801A
(en )
1951-04-05
Improvements in alkylation processes
FR919525A
(en )
1947-03-11
Improvements in fermentation processes
FR785569A
(en )
1935-08-13
Improvements to vinyl resin manufacturing processes
FR894229A
(en )
1944-12-18
Improvements in coke manufacturing processes for electrodes
FR971237A
(en )
1951-01-15
Improvement in magnesia manufacturing processes
FR971933A
(en )
1951-01-23
Improvements in relief cinematography processes
FR874803A
(en )
1942-08-27
Pneumatic sander
FR821676A
(en )
1937-12-10
Rubber valve
FR891339A
(en )
1944-03-03
Improvements in manufacturing processes for concrete objects
FR871346A
(en )
1942-04-20
Improvements in saponification processes
FR878745A
(en )
1943-01-28
Processes for the manufacture of isopropylaminomethyl- (3, 4-di-oxyphenyl) carbinol
FR832180A
(en )
1938-09-22
Improvements relating to rubber articles and their manufacturing processes
FR947099A
(en )
1949-06-22
Improvement in wireless beaconing processes
ES149748A1
(en )
1942-06-01
IMPROVEMENT IN THE MANUFACTURE OF RUBBER BELTS