CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH76434A
(en )
1918-05-16
Process for the heat treatment of composite bodies
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH78971A
(en )
1918-09-16
Process for the production of spur and helical gears
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH75045A
(en )
1917-05-16
Process for the preparation of basic magnesium hypochlorite
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH76770A
(en )
1918-07-01
Method and device for generating heat
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH82821A
(en )
1919-10-16
Process for the production of tempered steel fittings
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
AT87482B
(en )
1922-02-25
Process for the production of asbestos slate and the like.
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH76039A
(en )
1917-10-16
Process for the production of sodium amide
CH76040A
(en )
1917-10-16
Process for the production of sodium amide
CH74226A
(en )
1917-02-01
Process for the production of sodium amide
CH74234A
(en )
1917-02-01
Process and device for the production of embossed imitations
CH76306A
(en )
1917-12-01
Method of making embroidery
CH73574A
(en )
1916-10-16
Process for the production of oxygen