AT23458B
(en )
1906-03-10
Process for obtaining dense metal castings.
CH44857A
(en )
1909-09-16
Process for the extraction of deoxidized molten metals
DK5006C
(en )
1902-09-01
Method for heating or annealing molds for artistic metal objects.
AT43571B
(en )
1910-08-10
Process for processing refractory zinc-lead ores.
ES29565A1
(en )
1902-06-01
An improved mechanical process for making steel.
AT181608B
(en )
1955-04-12
Process for refining metals
AT26353B
(en )
1906-11-10
Process for the preparation of nitrogen oxides.
AT11494B
(en )
1903-04-10
Process for the production of metallic decorations on ceramic objects.
AT23548B
(en )
1906-03-26
Process for making painted photographs on glass.
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
AT21318B
(en )
1905-09-11
Process for the preparation of durable hydrosulfites.
AT12993B
(en )
1903-08-25
Procedure for the cancellation of postage stamps.
AT27677B
(en )
1907-02-25
Process for the preparation of nitrogen compounds.
CH40426A
(en )
1909-01-02
Process for luminous gas display
AT23215B
(en )
1906-02-26
Process for the preparation of alkylated cyanoacetylureas.
AT27651B
(en )
1907-02-25
Process for hardening copper and copper alloys.
AT45300B
(en )
1910-12-10
Process for obtaining anhydrous caustic alkalis.
FR326740A
(en )
1903-06-04
Metal wheels for vehicles
CH30364A
(en )
1904-12-15
Device for the production of seamless metal hollow bodies
AT32027B
(en )
1908-02-25
Process for refining metals using metallic calcium.
AT33450B
(en )
1908-06-25
Method for representing Kamphen.
AT23352B
(en )
1906-03-10
Process for making fire-resistant bricks.
CA98329A
(en )
1906-04-03
Metal mould for castings
AT29751B
(en )
1907-09-10
Process for the extraction of metals based on the Goldschmidt process.
AT21614B
(en )
1905-10-10
Process for the preparation of acetylene tetrachloride.