CH127438A
(en )
1928-09-01
Procedure for the representation of 1. 4-diamino-2-chloro-3-thiohydrin-anthraquinone.
AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
FR580581A
(en )
1924-11-10
Sound purifier
AT108940B
(en )
1928-02-25
Sound tube and method of making the same.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH158558A
(en )
1932-11-30
Photographic image and method of making the same.
CH122398A
(en )
1927-09-16
Electrode and method of making the same.
CH144066A
(en )
1930-12-15
File and method of making the same.
AT105677B
(en )
1927-02-25
Method and device for the production of stranded conductors.
AT108006B
(en )
1927-11-25
V-belt and process for its manufacture.
CH195967A
(en )
1938-02-28
Book and method of making the same.
AT108680B
(en )
1928-01-25
Process for the manufacture of handicrafts.
CH152803A
(en )
1932-02-29
Double wall plywood door and method of making the same.
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
AT108627B
(en )
1928-01-25
Method and device for the production of spiral-shaped incandescent bodies.
AT106741B
(en )
1927-06-25
Process for the production of tubes and similar hollow bodies by centrifugal casting.
CH205377A
(en )
1939-06-15
Method and device for the simultaneous wireless transmission of several message signals.
CH161463A
(en )
1933-04-30
Self-sealing rubber body and method of making the same.
AT104719B
(en )
1926-11-25
Process for the preparation of o-oxyazo dyes and their intermediates.
GR625B
(en )
1924-05-09
METHOD AND INSTALLATION FOR THE MANUFACTURE OF ARTIFICIAL SILK.
AT110399B
(en )
1928-08-10
Process for the manufacture of telephone cables.
AT102563B
(en )
1926-02-25
Process for the manufacture of cast sulfur.
AT108805B
(en )
1928-02-10
Process for the production of topographic maps.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH191282A
(en )
1937-06-15
File and method of making the same.