CH101173A
(en )
1923-09-01
Process for the production of primers.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH82062A
(en )
1919-08-16
Process for the production of leather substitutes
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
CH81893A
(en )
1919-08-01
Method of making embroidery
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
CH82104A
(en )
1919-09-01
Process for the production of oak imitations
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
AT88400B
(en )
1922-05-10
Process for the production of chlorosulfonic acid.
CH82935A
(en )
1919-11-01
Device for the production of moldings
AT87355B
(en )
1922-02-25
Process for the production of scythe workpieces.
AT91489B
(en )
1923-02-26
Process for the production of wooden pencils.
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
AT107001B
(en )
1927-08-10
Process for the production of detonators.
CH79146A
(en )
1918-10-01
Method of making briquettes
CH81317A
(en )
1919-06-02
Process for the production of leather
CH77364A
(en )
1918-04-01
Process for the production of wooden heels
AT108894B
(en )
1928-02-10
Process for the production of butyric acid.
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH92403A
(en )
1922-01-02
Process for the production of acetaldehyde from acetylene.
AT98669B
(en )
1924-12-10
Process for the production of soluble synthetic resin gels or synthetic resin solutions.
CH77381A
(en )
1918-09-02
Process for the production of artificial leather