CH79063A
(en )
1918-10-01
Equipment for carrying out chemical processes
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
CH74730A
(en )
1917-04-02
Device for making ropes
CH73104A
(en )
1916-08-16
Tanning process
AT75547B
(en )
1919-02-25
Process for the production of disinfectants.
FR484913A
(en )
1917-11-22
Filtration apparatus
CH73171A
(en )
1916-09-01
Device for the construction of walls by means of cladding
CH72184A
(en )
1916-09-16
Device for forming loopholes
CH66613A
(en )
1914-09-16
Rescue facility
CH73637A
(en )
1917-03-16
Electrolytic apparatus
CH71749A
(en )
1916-02-16
Disinfection process
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH72453A
(en )
1916-05-16
Process for the preparation of 1.5-diamido-2.6-dimercaptoanthraquinone
CH75720A
(en )
1917-09-17
Device for the rescue of submarines
CH73861A
(en )
1916-12-01
Process for the preparation of hydrolecithin
CH73887A
(en )
1916-12-01
Process for the regeneration of mercury catalysts
CH72626A
(en )
1916-06-16
Process for the regeneration of mercury catalysts
AT89293B
(en )
1922-08-25
Process for the eradication of plant pests.
CH69187A
(en )
1915-06-01
Etching process and equipment for performing the same
CH68664A
(en )
1915-04-01
Process for preventing the decomposition of hydrogen peroxide solutions
AT71551B
(en )
1916-04-25
Process for the production of roofing felt.
CH71427A
(en )
1916-08-01
Device for making plaster ceilings
CH73296A
(en )
1916-11-16
Process for the production of ammonia
AT74592B
(en )
1918-09-10
Process for the production of oxalic acid.
AT68046B
(en )
1915-02-25
Device for blowing out the submerged tanks of submarines.