CH82605A
(en )
1919-10-16
Process for the manufacture of spinning cans for cotton spinning
CH101173A
(en )
1923-09-01
Process for the production of primers.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
FR538804A
(en )
1922-05-15
Process for the production of urea
CH100142A
(en )
1923-07-02
Process for the production of precipitation baths for viscose.
CH86848A
(en )
1920-10-16
Process for the production of easily filterable viscose.
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
CH81893A
(en )
1919-08-01
Method of making embroidery
AT108894B
(en )
1928-02-10
Process for the production of butyric acid.
AT88400B
(en )
1922-05-10
Process for the production of chlorosulfonic acid.
AT105031B
(en )
1926-12-27
Process for the production of viscose.
AT87355B
(en )
1922-02-25
Process for the production of scythe workpieces.
CH82062A
(en )
1919-08-16
Process for the production of leather substitutes
AT107001B
(en )
1927-08-10
Process for the production of detonators.
CH82702A
(en )
1919-10-16
Process for the production of a disinfectant
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.
AT106603B
(en )
1927-06-10
Process for the production of active charcoal.
AT91484B
(en )
1923-02-26
Process for the production of glass tubes with several parallel channels.
CH82104A
(en )
1919-09-01
Process for the production of oak imitations
AT108104B
(en )
1927-11-25
Process for the production of cellulose solutions.
CH103654A
(en )
1924-03-01
Process for the production of ignition charges.
CH109477A
(en )
1925-04-01
Process for the production of hydrogen cyanide.
CH82935A
(en )
1919-11-01
Device for the production of moldings