AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
CH116462A
(en )
1926-09-01
Device to facilitate hearing.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
AT109183B
(en )
1928-03-26
Culture process.
CH122103A
(en )
1927-09-01
Device for transmitting vibrations.
SU10952A1
(en )
1929-09-30
The method of obtaining ortho-nitrobenzoic acid
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
AT116578B
(en )
1930-02-25
Device for the production of pearl threads.
AT109478B
(en )
1928-04-25
Device for the production of drawn glass plates.
AT91047B
(en )
1923-01-25
Device for the production of Holztabgeweben u. like
CH128929A
(en )
1928-11-16
Device for receiving mothballs for the purpose of moth control.
AT96221B
(en )
1924-03-10
Device for the automatic production of tiles.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
CH114040A
(en )
1926-03-01
Process for the production of hydrogen cyanide.
AT116526B
(en )
1930-02-25
Process for the production of synthetic ammonia.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
AT108161B
(en )
1927-12-10
Process for the production of printing blocks.
CH131732A
(en )
1929-02-28
Process for the production of printing blocks.
AT116575B
(en )
1930-02-25
Machine for the production of wooden pencils.
CH119736A
(en )
1927-04-01
Type strips for the production of type wheels.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
DK35036C
(en )
1925-09-21
Procedure for the Production of Paintings.
CH131592A
(en )
1929-02-28
Process for the preparation of 1-amino-2,4-dimethyl-5-chlorobenzene.
AT108680B
(en )
1928-01-25
Process for the manufacture of handicrafts.
AT106724B
(en )
1927-06-25
Process for the production of cellulose.