CH281450A
(en )
1952-03-15
Process for hard chrome plating of the interior of pipes.
CH277997A
(en )
1951-09-30
Process for the electrodeposition of gold or gold alloys.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT168590B
(en )
1951-06-25
Process for making low-nitrogen steel
CH312180A
(en )
1955-12-31
Process for carrying out chlorination reactions.
AT185993B
(en )
1956-06-25
Process for carrying out metal slag reactions
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
CH318203A
(en )
1956-12-31
Process for the galvanic deposition of metals
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
CH333910A
(en )
1958-11-15
Process for the continuous production of alkyl nitrates
AT189346B
(en )
1957-03-25
Process for the continuous casting of metal strands
AT168690B
(en )
1951-07-10
Process for casting metal ingots
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT172338B
(en )
1952-08-25
Process for processing alloy steel scrap
AT177629B
(en )
1954-02-25
Process for the phosphating of metals
AT186088B
(en )
1956-07-10
Process for the hot forming of metals
AT168637B
(en )
1951-07-10
Process for the electrolytic polishing of metals
AT185644B
(en )
1956-05-25
Process for cleaning metals
CH291800A
(en )
1953-07-15
Methods for purifying argon.
AT184594B
(en )
1956-02-10
Process for the reduction of ores
AT172118B
(en )
1952-08-11
Process for cooling mines
AT179547B
(en )
1954-09-10
Process for the reduction of iron oxides
AT182111B
(en )
1955-05-25
Process for the rapid desulphurisation of steel melts
AT186482B
(en )
1956-08-10
Process for generating metal precipitates
AT183517B
(en )
1955-10-25
Process for the production of steels containing lead