CH76096A
(en )
1918-04-01
Process for the production of urea
CH81903A
(en )
1919-08-01
Process for the production of urea from calcium cyanamide
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH76586A
(en )
1918-01-16
Process for the production of cork boards
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
AT88463B
(en )
1922-05-26
Process for the production of cyanate alkali.
AT88464B
(en )
1922-05-26
Process for the production of alkali cyanate.
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH78790A
(en )
1918-09-02
Process for the production of emulsion for technical purposes
CH73296A
(en )
1916-11-16
Process for the production of ammonia
CH75974A
(en )
1917-10-16
Process for the production of silicon carbide
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH75897A
(en )
1917-10-01
Process for the production of drive belts
CH76805A
(en )
1918-06-17
process for the production of nutrient pulp
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH81317A
(en )
1919-06-02
Process for the production of leather
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate