AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
AT91101B
(en )
1923-02-10
Device for the production of photophonograms, in particular for the purposes of acoustic cinematography.
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
CH101173A
(en )
1923-09-01
Process for the production of primers.
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
AT91100B
(en )
1923-01-25
Device for the synchronous reproduction of optical acoustic events, in particular for the purposes of cinematography.
SU1993A1
(en )
1924-09-15
Method of making plywood plywood
AT91047B
(en )
1923-01-25
Device for the production of Holztabgeweben u. like
CH86058A
(en )
1920-08-02
Device on milling machines for the production of wave profiles.
AT105031B
(en )
1926-12-27
Process for the production of viscose.
CH114040A
(en )
1926-03-01
Process for the production of hydrogen cyanide.
ES78415A1
(en )
1921-08-16
Improvements introduced in the manufacture of espadrilles of all kinds.
FR581099A
(en )
1924-11-21
Acoustic warning device
CH103706A
(en )
1924-03-01
Device on milling machines for the production of wave profiles.
AT91492B
(en )
1923-02-26
Letter punch.
AT98971B
(en )
1925-01-10
Device for the production of ammonia by means of contact synthesis.
AT96058B
(en )
1924-02-25
Device for the multiple transmission of signals, in particular for telephone purposes.
AT108127B
(en )
1927-11-25
Device for the production of saturated solutions.
ES77054A1
(en )
1921-04-16
Improvements in the manufacture of espadrilles.
ES79557A1
(en )
1922-03-01
An aprestina product.
ES77802A1
(en )
1921-06-16
Improvements in the manufacture of ammonia.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
FR587189A
(en )
1925-04-14
Die clamp
AT107001B
(en )
1927-08-10
Process for the production of detonators.
AT98144B
(en )
1924-10-10
Process for the production of piston rings.