CH204452A
(en )
1939-04-30
Process for the production of copper phthalocyanine.
CH101173A
(en )
1923-09-01
Process for the production of primers.
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
CH208879A
(en )
1940-02-29
Process for the production of copper phthalocyanine.
CH86848A
(en )
1920-10-16
Process for the production of easily filterable viscose.
CH100477A
(en )
1923-12-17
Process for the production of sodium nitrite.
AT87355B
(en )
1922-02-25
Process for the production of scythe workpieces.
AT107001B
(en )
1927-08-10
Process for the production of detonators.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
AT91489B
(en )
1923-02-26
Process for the production of wooden pencils.
CH101166A
(en )
1923-09-01
Process for the production of nitric acid by means of electric flame arcs using the circulatory process.
AT108109B
(en )
1927-11-25
Process for the manufacture of low-sulfur cast iron.
CH114040A
(en )
1926-03-01
Process for the production of hydrogen cyanide.
CH182885A
(en )
1936-02-29
Process for the production of items made of malleable cast iron.
CH109477A
(en )
1925-04-01
Process for the production of hydrogen cyanide.
AT108105B
(en )
1927-11-25
Process for the preparation of mixtures.
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
CH82104A
(en )
1919-09-01
Process for the production of oak imitations
AT90734B
(en )
1923-01-10
Process for the production of writing boards with enamel coating.
AT98968B
(en )
1925-01-10
Process for the production of briquettes from fuel.
AT98976B
(en )
1925-01-10
Process for increasing the electrical conductivity of alloys.
AT108894B
(en )
1928-02-10
Process for the production of butyric acid.
CH116754A
(en )
1926-09-16
Process for the production of isoamyl resorcinol.