CH201976A
(en )
1938-12-31
Process for the production of intaglio printing plates and photographic slide which can be used in this process.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
CH160118A
(en )
1933-02-28
Method and device for ventilation of rooms.
CH152611A
(en )
1932-02-15
Process for the production of diazo preparations.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH181265A
(en )
1935-12-15
Process for the production of flat and offset printing plates.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
CH160188A
(en )
1933-02-28
Facility for the production of print-ready clichés.
CH150236A
(en )
1931-10-31
Method and device for the production of artificial slate panels.
AT111009B
(en )
1928-10-25
Method and device for making collars.
AT139848B
(en )
1934-12-10
Process for the production of rubber printing forms for letterpress and gravure printing.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH160178A
(en )
1933-02-28
Process for the production of security paper.
CH182746A
(en )
1936-02-29
High gloss, effective image printing and process for producing the same.
CH183514A
(en )
1936-04-15
Method and device for the production of horse blankets from leather.
AT134381B
(en )
1933-07-25
Method and device for creating moving luminous images.
AT132050B
(en )
1933-02-25
Blueprint and drawing material for the production of true-to-scale blueprints, workpiece templates and original drawings.
AT121847B
(en )
1931-03-10
Method and device for the production of knotted carpets.
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
AT132025B
(en )
1933-02-25
Process and apparatus for tanning.