CH252362A
(en )
1947-12-31
Process for removing metal compounds from heavy metal surfaces.
CH265393A
(en )
1949-11-30
Process for cleaning liquid metal chlorides.
CH280487A
(en )
1952-01-31
Process for purifying water.
AT163605B
(en )
1949-07-25
Process for improving porous sintered iron or sintered steel bodies
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT167428B
(en )
1951-01-10
Process for the preparation of pentaenes
CH275797A
(en )
1951-06-15
Process for the production of nitropolystyrene.
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
CH269570A
(en )
1950-07-15
Process for the decarburization of iron and iron alloys.
AT169319B
(en )
1951-11-10
Process for tempering steel
AT168441B
(en )
1951-06-11
Process for the production of iron powder for sinter metallurgical purposes
CH278793A
(en )
1951-10-31
Method for the transmission of signals.
AT168826B
(en )
1951-08-25
Gray cast iron and process for its manufacture
AT174621B
(en )
1953-04-25
Process for improving cast iron
AT168620B
(en )
1951-07-10
Process for the preparation of 2-amino-6-oxy-8- (oxymethyl) pteridine
AT168781B
(en )
1951-08-10
Process for the production of iron and steel
AT168084B
(en )
1951-04-10
Process for the preparation of pentaenes
AT177629B
(en )
1954-02-25
Process for the phosphating of metals
AT176173B
(en )
1953-09-25
Process for improving the strength properties and reducing the water permeability of hydraulic binders
AT169555B
(en )
1951-11-26
Process for the simultaneous smelting of iron ores with different iron contents
AT169315B
(en )
1951-11-10
Process for the aluminothermic extraction of metals
AT162382B
(en )
1949-02-25
Process for the production of iron oxide in finely divided form
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
AT167852B
(en )
1951-03-10
Process for the production of pteridines
AT172619B
(en )
1952-09-25
Process for purifying carbon dioxide gas