CH73203A
(en )
1916-09-01
Process for the production of relief maps with printing
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH71814A
(en )
1916-02-16
Process for the production of inking rollers
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH72366A
(en )
1916-10-16
Process for the production of tops
CH71950A
(en )
1916-03-16
Process for the production of pipes with control crank
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH69677A
(en )
1915-07-16
Machine for the production of Tresterstöckli
CH73801A
(en )
1916-12-01
Process for the production of graphite in colloidal form
AT80141B
(en )
1920-02-25
Process for the production of plate capacitors with several plate systems.
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH56613A
(en )
1912-11-16
Process for the production of posters with deep embossing
AT75547B
(en )
1919-02-25
Process for the production of disinfectants.
AT74197B
(en )
1918-02-25
Process for making margarine.
CH73466A
(en )
1916-10-02
Machine for the production of cigars with long-cut insert
AT71551B
(en )
1916-04-25
Process for the production of roofing felt.
CH73105A
(en )
1916-08-16
Process for the production of leather substitutes
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH72727A
(en )
1916-07-01
Process for the production of oxalic acid
CH79664A
(en )
1918-12-16
Process for the reproduction of pictures, maps, wallpaper, etc. with relief patterns