CH16442A
(en )
1898-11-30
Advanced apparatus for the electrolytic production of metal alloys
CH17343A
(en )
1899-05-31
Apparatus for the production of acetylene
CH23931A
(en )
1902-10-15
Apparatus for the manufacture of copper by electrolysis
CH13521A
(en )
1897-07-15
Apparatus for the production of acetylene
CH14631A
(en )
1898-01-31
Advanced apparatus for electrolysis
CH14171A
(en )
1897-10-31
Apparatus for the production of acetylene
FR441644A
(en )
1912-08-12
Improved method and apparatus for the production of copper by electrolysis
FR417623A
(en )
1910-11-18
Method and apparatus for the production by electrolysis of metals and acid
CH14800A
(en )
1898-02-28
Advanced apparatus for the manufacture of acetylene
CH15916A
(en )
1898-08-15
Apparatus for the manufacture of acetylene
CH18927A
(en )
1900-03-31
Apparatus for the electrometallurgical production of zine
FR420182A
(en )
1911-01-24
Process for the production of alloys and for the separation of metals
CH17092A
(en )
1899-04-15
Apparatus for producing acetylen
CH12477A
(en )
1896-12-31
An apparatus for the production of acetylene
CH73394A
(en )
1916-10-02
Process for the production of zinc by electrolysis and apparatus for carrying out this process
FR421723A
(en )
1911-03-03
Process for the production of metal alloys
CH12245A
(en )
1896-11-15
Advanced apparatus for electrolysis
CH3855A
(en )
1892-01-15
Apparatus for the production of aluminum alloys
FR375212A
(en )
1907-07-03
Process for the electrolytic separation of metals
CH11405A
(en )
1896-06-30
Apparatus for the manufacture of tubes and sheets of copper and other metals by electrolysis
CH9328A
(en )
1895-05-31
Advanced machine for the manufacture of rolled metal articles
CH53590A
(en )
1912-03-16
Process for the manufacture of metal objects by electroplating and apparatus for its implementation
CH19389A
(en )
1900-06-30
Electrolyser apparatus for the extraction of metals lighter than electrolyte
CH17433A
(en )
1899-06-15
Apparatus for the production and storage of acetylene
CH13621A
(en )
1897-07-31
Apparatus for the production and storage of acetylene