CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH152993A
(en )
1932-02-29
Method and device for the continuous production of ice.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
CH150236A
(en )
1931-10-31
Method and device for the production of artificial slate panels.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
AT107042B
(en )
1927-08-10
Process for repairing the worn guardrails of grooved rails.
AT98945B
(en )
1924-12-27
Method and device for the production of screw shapes on cones by rolling.
AT133878B
(en )
1933-06-26
Methods and devices for the production of metal ingots or castings.
AT121586B
(en )
1931-02-25
Device for the production of steel engraving with breakthrough.
AT108204B
(en )
1927-12-10
Method and device for generating cold.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH130314A
(en )
1928-11-30
Process for the production of anhydrous and oxide-free lithium chloride.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
CH182727A
(en )
1936-02-29
Process and device for the production of low-boiling hydrocarbons.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH138469A
(en )
1930-02-28
Method and tool for the production of metal strip connections.
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
AT109331B
(en )
1928-04-10
Method and device for multiple remote transmission of current changes.
CH152869A
(en )
1932-02-29
Method and device for denicotinization of tobacco.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.
CH200687A
(en )
1938-10-31
Method and device for the production of electroplated rolled products.
AT140722B
(en )
1935-02-25
Process for the production of dust-binding and non-icing road surfaces.