FR812476A
(en )
1937-05-11
Process for the manufacture of slide closures and means for its implementation
CH213592A
(en )
1941-02-28
Process for melting difficult-to-melt materials and an oven for implementing this process.
FR45705E
(en )
1935-11-18
Process for the distillation of coal at low temperature and means for implementing this process
FR773027A
(en )
1934-11-10
Process for the distillation of coal at low temperature and means for the implementation of this process
FR730442A
(en )
1932-08-12
Process for the separation of gas mixtures
FR758240A
(en )
1934-01-12
Process for the separation of gas mixtures
FR977989A
(en )
1951-04-09
Process for the low temperature distillation of oil shale
FR797079A
(en )
1936-04-20
Process for the preparation of coal and other similar materials
FR791150A
(en )
1935-12-04
Process for sizing strips and means for implementing this process
FR715675A
(en )
1931-12-07
Process for the separation of gas mixtures
FR735558A
(en )
1932-11-10
Method and apparatus for the distillation of coals at low temperature
FR793108A
(en )
1936-01-16
Process for the destructive hydrogenation of coal
FR764151A
(en )
1934-05-16
New assembly process and mechanism for implementing this process
FR817341A
(en )
1937-09-01
Process for the production of films
FR880140A
(en )
1943-03-15
Process for the distillation of oil shale, at low temperature
FR789104A
(en )
1935-10-23
Water clarification process and installation for the implementation of this process
FR820508A
(en )
1937-11-13
Process for desulfurization of hydrocarbons
FR773547A
(en )
1934-11-21
Foundry process and products for implementing this process
FR44598E
(en )
1935-03-04
New sizing process and apparatus for implementing this process
FR793755A
(en )
1936-01-31
Process for taking advantage of residual gases from the manufacture of superphosphate
FR754642A
(en )
1933-11-10
Improved low temperature carbonization process
FR810824A
(en )
1937-03-31
Process for the solidification of certain gases, starting from their liquids
FR628431A
(en )
1927-10-24
Improvements in the implementation of low-temperature coal distillation processes
FR735740A
(en )
1932-11-14
Coal distillation process and means for its implementation
FR811953A
(en )
1937-04-27
Process for the production of metallic magnesium