CH78549A
(en )
1918-08-01
Process for making old paper usable for paper making purposes
AT59992B
(en )
1913-07-10
Process for sizing paper.
CH70776A
(en )
1915-11-01
Method for gluing paper
FR488954A
(en )
1918-12-03
Reinforced paper
AT73105B
(en )
1917-02-26
Process for the uniform moistening of paper webs prepared for spinning.
CH67259A
(en )
1914-11-16
Method of waterproofing paper
CH78801A
(en )
1919-02-01
Process for the production of multilayer paper sacks
CH65639A
(en )
1914-07-01
Process for making sacks
CH74338A
(en )
1917-02-16
Vat for tanneries
CH65740A
(en )
1914-07-16
Process for drying patent leather
FR513345A
(en )
1921-02-12
drier for paper machines
CH51919A
(en )
1911-10-02
Apparatus for making incisions in chestnuts
CH76101A
(en )
1917-04-01
Method of strengthening paper against tearing
CH79939A
(en )
1919-01-16
Process for the production of fibers
AT71229B
(en )
1916-02-25
Process for making shaded papers on the paper machine.
AT82972B
(en )
1921-02-25
Process for making wrapped paper wads
CH79335A
(en )
1918-11-01
Process for the production of cigarette paper from sulphite pulp
CH76547A
(en )
1918-01-02
Process for softening paper, leather and celluloid
CH76546A
(en )
1918-01-02
Process for softening paper, leather and celluloid
CH76946A
(en )
1918-02-16
Process for the production of stereotypical stereotypical stereotyping boards for art print purposes
CH54078A
(en )
1912-04-16
Process for making cross connections between two flat irons
CH59431A
(en )
1913-05-16
Process for making clichés
CH75158A
(en )
1917-06-01
Holder for loose paper sheets
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH77112A
(en )
1918-03-01
Process for making shoes