CH78801A
(en )
1919-02-01
Process for the production of multilayer paper sacks
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH65639A
(en )
1914-07-01
Process for making sacks
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH77385A
(en )
1918-04-16
Process for the production of packaging material from bonded cellular paper
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH71196A
(en )
1915-12-01
Process for the production of waterproof cardboard papers
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets
CH75897A
(en )
1917-10-01
Process for the production of drive belts
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH76805A
(en )
1918-06-17
process for the production of nutrient pulp
CH76307A
(en )
1917-12-01
Process for the production of flat structures from waste material
CH74665A
(en )
1917-04-02
Process for the production of drive belts
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
AT88401B
(en )
1922-05-10
Process for the production of zinc-lead paints.
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH77143A
(en )
1918-03-01
Process for the production of molded parts from cellulosic materials
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH81137A
(en )
1919-10-16
Process for the production of cardboard boxes
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
CH57546A
(en )
1913-01-16
Process for the production of size
CH72628A
(en )
1916-06-16
Process for the production of antimonies