CH76592A
(en )
1918-01-16
Process for the production of fittings
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH79967A
(en )
1919-01-16
Process for the production of enamelled everyday objects
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH78380A
(en )
1918-11-16
Process for the preparation of hydrocodeine
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH76805A
(en )
1918-06-17
process for the production of nutrient pulp
CH81317A
(en )
1919-06-02
Process for the production of leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH78790A
(en )
1918-09-02
Process for the production of emulsion for technical purposes
AT88401B
(en )
1922-05-10
Process for the production of zinc-lead paints.
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH72366A
(en )
1916-10-16
Process for the production of tops
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH75897A
(en )
1917-10-01
Process for the production of drive belts
CH76405A
(en )
1917-12-17
Process for the manufacture of refractory products