CH66545A
(en )
1914-09-16
Process for welding copper
AT68020B
(en )
1915-02-25
Process for welding copper and nickel.
FR468670A
(en )
1914-01-08
Welding process
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH65022A
(en )
1914-05-16
Process for the hydrogenation of quinine
CH65639A
(en )
1914-07-01
Process for making sacks
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH67012A
(en )
1914-11-02
Process for decarburizing metals
CH71490A
(en )
1916-01-17
Process for decorating sheet metal
CH69335A
(en )
1915-01-16
Method for carrying out catalytic processes
CH64706A
(en )
1914-04-16
Process for the electrowinning of sodium perborate
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
CH68919A
(en )
1915-05-01
Process for the production of nitrogen
CH67036A
(en )
1914-11-02
Process for the preparation of a-bronisovaleric acid-p-phenetidine
CH63847A
(en )
1914-02-16
Process for the electrowinning of alkali metals from molten alkali haloids
CH63849A
(en )
1914-02-16
Soldering process
AT46702B
(en )
1911-02-25
Process for the electrodeposition of copper.
CH51153A
(en )
1911-08-01
Process for working zinc
CH75890A
(en )
1917-10-01
Process for detinning tinplate waste
CH67915A
(en )
1915-02-01
Process for softening water
CH66729A
(en )
1914-10-01
Process for the preparation of an a-arylide of ß-naphtisatin
CH66505A
(en )
1914-09-16
Process for the preparation of chlorovinyl
CH55404A
(en )
1912-08-16
Process for the improvement of fluids
CH66129A
(en )
1914-08-17
Process for cleaning Twitchell reactive