FR681836A
(en )
1930-05-20
Process for stripping metal surfaces
FR701645A
(en )
1931-03-20
Process for the casting of metals and installation for the implementation of this process
FR41308E
(en )
1932-12-03
Process for the casting of metals and installation for the implementation of this process
FR670731A
(en )
1929-12-04
Method and arrangements for implementing the modulation reception method
FR710792A
(en )
1931-08-28
Process for the production of metal carbonyls
FR719943A
(en )
1932-02-12
Process for removing aluminum from electrolysis furnaces
FR675259A
(en )
1930-02-07
Advanced process for the production of malleable metal pipes
FR734743A
(en )
1932-10-27
Saturation process and installations for implementing this process
FR693065A
(en )
1930-11-14
Photoengraving process and screen curtain for the implementation of this process
FR715206A
(en )
1931-11-27
Process for the production of carbonyl metals
FR613081A
(en )
1926-11-08
Stamping process and tooling for the implementation of this process
FR710119A
(en )
1931-08-19
Process for the production of cyanamides of alkaline earth metals and magnesium
FR860773A
(en )
1941-01-23
Improved heating and cooling process and installation for its implementation
FR715542A
(en )
1931-12-04
Electrical welding process and installation for its implementation
FR604286A
(en )
1926-05-01
Woodturning process and machine for the implementation of this process
FR707634A
(en )
1931-07-10
Metal casting process
CH144640A
(en )
1931-01-15
Electrical welding process and installation for its implementation.
FR692793A
(en )
1930-11-10
Advanced process for decorating metal
FR764151A
(en )
1934-05-16
New assembly process and mechanism for implementing this process
FR789104A
(en )
1935-10-23
Water clarification process and installation for the implementation of this process
FR722395A
(en )
1932-03-16
Precious metal alloys having special technical properties and process for obtaining them
FR710770A
(en )
1931-08-28
Advertising method and apparatus for implementing this method
FR692413A
(en )
1930-11-05
Process for the manufacture of plaster and installation for the implementation of this process
FR712753A
(en )
1931-10-10
Process for the regeneration of corroded metallic coatings
FR733269A
(en )
1932-10-03
Method of treating metals and means for implementing this method