CH127438A
(en )
1928-09-01
Procedure for the representation of 1. 4-diamino-2-chloro-3-thiohydrin-anthraquinone.
AT131977B
(en )
1933-02-25
Method and device for producing water chambers for sectional boilers.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
AT127792B
(en )
1932-04-11
Process for the preparation of amino alcohols.
AT111009B
(en )
1928-10-25
Method and device for making collars.
AT127001B
(en )
1932-02-25
Process for the continuous production of water gas.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
CH131597A
(en )
1929-02-28
Process for the production of an artificial mass.
CH138313A
(en )
1930-02-28
Process for the preparation of 1-amidocarbazole.
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
AT121847B
(en )
1931-03-10
Method and device for the production of knotted carpets.
AT108127B
(en )
1927-11-25
Device for the production of saturated solutions.
CH145441A
(en )
1931-02-28
Process for the microbiological production of 2.3-butylene glycol.
CH122398A
(en )
1927-09-16
Electrode and method of making the same.
AT136641B
(en )
1934-02-26
Water extraction system and process for the production of filter wells.
CH145436A
(en )
1931-02-28
Process for the production of persalts by electrolysis.
AT102642B
(en )
1926-02-25
Method and device for the production of squibs.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT121561B
(en )
1931-02-25
Process for the preparation of 4.10-diaminoperylene.
CH138469A
(en )
1930-02-28
Method and tool for the production of metal strip connections.
AT121545B
(en )
1931-02-25
Process for the production of an asbestos-like substance.
CH116754A
(en )
1926-09-16
Process for the production of isoamyl resorcinol.
AT108161B
(en )
1927-12-10
Process for the production of printing blocks.
CH131732A
(en )
1929-02-28
Process for the production of printing blocks.