AT51272B
(en )
1911-12-27
Process for extrusion of zinc.
AT31389B
(en )
1908-01-10
Process for the electrowinning of metallic zinc.
AT38403B
(en )
1909-08-25
Process for the preparation of ores through precipitation work.
AT42544B
(en )
1910-06-10
Process for the production of barium persulfate.
AT44295B
(en )
1910-10-10
Process for the production of zinc sulphide.
AT64525B
(en )
1914-04-25
Process for the production of hollow beams from flat or profiled metal strips.
AT30941B
(en )
1907-12-10
Process for the preparation of α-oxythionaphthens.
AT44799B
(en )
1910-11-10
Process for the production of hard alcohol.
AT49731B
(en )
1911-09-11
Process for the production of roof tiles.
AT41801B
(en )
1910-04-11
Process for the production of insulating bodies.
AT38434B
(en )
1909-08-25
Process for the manufacture of overshoes.
AT42792B
(en )
1910-06-25
Method of sinking shafts.
AT49036B
(en )
1911-07-25
Process for the manufacture of pliable electrolyte iron.
AT47995B
(en )
1911-05-26
Method of making files.
AT51097B
(en )
1911-12-11
Process for the manufacture of glasses.
AT48304B
(en )
1911-06-10
Process for the production of nitrogen compounds from carbides.
AT35426B
(en )
1908-12-10
Process for the production of coal briquettes.
AT30724B
(en )
1907-11-25
Process for the production of zinc or zinc oxide.
AT9941B
(en )
1902-11-25
Process for the production of collector electrodes from finely divided lead.
AT48337B
(en )
1911-06-10
Process for the production of alkali formate.
AT48812B
(en )
1911-07-10
Process for the simultaneous production of ammonia and aluminum compounds.
AT43937B
(en )
1910-09-10
Method of making briquettes.
AT50409B
(en )
1911-10-25
Process for the production of crude oil soaps.
AT56699B
(en )
1912-12-10
Process for the production of cork paper.
AT36116B
(en )
1909-02-10
Process for the manufacture of footwear.