CH73164A
(en )
1916-08-16
Process for the production of contrast formers for the purposes of X-ray photography
CH69779A
(en )
1915-07-16
Process for the production of contrast formers for the purposes of X-ray photography
CH71053A
(en )
1915-11-16
Process for the production of art prints
AT69003B
(en )
1915-06-10
Process for the production of artificial center walls for honeycombs.
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH70450A
(en )
1915-09-16
Process for the production of screens for halftone images
CH76711A
(en )
1918-05-16
Process for the production of wire drawing dies
CH54180A
(en )
1912-05-01
Process for the production of thin aluminum strips
CH73083A
(en )
1916-08-16
Process for making twine
CH80818A
(en )
1919-04-01
Process for the production of so-called air embroidery
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets
AT87335B
(en )
1922-02-25
Process for the production of an alumina suitable for the purposes of aluminum production.
CH68990A
(en )
1915-05-17
Process for the production of soluble silica
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH71052A
(en )
1915-11-16
Process for the production of blueprint templates
CH63494A
(en )
1914-02-02
Process for the production of components
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH68666A
(en )
1915-04-01
Process for the production of finely divided indanthrenes
CH70369A
(en )
1915-09-16
Process for the production of finely divided indanthrenes
CH58958A
(en )
1913-04-16
Process for the production of so-called porous metals
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH66699A
(en )
1914-10-01
Process for the production of frisé goods
CH69077A
(en )
1915-05-17
Process for making toothpastes