FR466836A
(en )
1914-05-25
Process for the production of direct current
CH73394A
(en )
1916-10-02
Process for the production of zinc by electrolysis and apparatus for carrying out this process
FR441644A
(en )
1912-08-12
Improved method and apparatus for the production of copper by electrolysis
FR472763A
(en )
1914-12-17
Process for the production of zinc by electrolysis
FR495958A
(en )
1919-10-23
Process for the production of metal alloys containing nickel
FR444175A
(en )
1912-10-11
Process for the production of aminoanthraquinones
FR495955A
(en )
1919-10-23
Process for the production of advanced metal alloys
FR417623A
(en )
1910-11-18
Method and apparatus for the production by electrolysis of metals and acid
FR514101A
(en )
1921-03-03
Process for the catalytic production of hydrogen
FR482978A
(en )
1917-05-16
Method and apparatus for the direct production of steel
FR498222A
(en )
1920-01-06
Process for the production of metal alloys
FR446949A
(en )
1912-12-18
Process for direct nickel plating of aluminum
FR457369A
(en )
1913-09-16
Process for the production of indol
FR491857A
(en )
1919-06-20
Method and apparatus for the electrolysis of alkali metal chlorides
CH53590A
(en )
1912-03-16
Process for the manufacture of metal objects by electroplating and apparatus for its implementation
FR499486A
(en )
1920-02-12
Process for the continuous production of nitrogenous combinations by the action of nitrogen on pulverulent substances and installation for the implementation of this process
FR452246A
(en )
1913-05-10
Process for the production of isoprene
FR482254A
(en )
1917-03-08
New shoemaking process and apparatus for implementing this process
CH60983A
(en )
1913-09-01
Process for the production of an artificial zeolite
FR435312A
(en )
1912-02-27
Process for the production of isoprene
FR554094A
(en )
1923-06-05
Method and apparatus for producing high frequency currents
FR411614A
(en )
1910-06-21
Process for the production of zinc boron-diorthooxybenzoate
FR421723A
(en )
1911-03-03
Process for the production of metal alloys
FR514799A
(en )
1921-03-18
Process for the production of alkyl anilines
FR458550A
(en )
1913-10-13
Process for the electrolytic production of perborates