CH74344A
(en )
1917-05-16
Process for the production of preparations for stereotype matrices
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH71053A
(en )
1915-11-16
Process for the production of art prints
CH72958A
(en )
1916-07-17
Process for the production of sodium percarbonate
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH60351A
(en )
1913-07-01
Process for the production of mold plates
CH76371A
(en )
1917-12-01
Process for the preparation of o-vanillyl alcohol
AT79111B
(en )
1919-11-25
Process for the production of Radium D rubbing alcohol.
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH75450A
(en )
1917-08-01
Process for the production of floor wax
AT89320B
(en )
1922-09-11
Process for the preparation of O-alkyl derivatives of hydrocupreine.
CH71814A
(en )
1916-02-16
Process for the production of inking rollers
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH66334A
(en )
1914-09-01
Process for the production of printing plates