FR708342A
(en )
1931-07-22
Machine for the manufacture of cables and in particular metal cables
AT140849B
(en )
1935-02-25
Enamelled vessels and processes for their manufacture.
AT138196B
(en )
1934-07-10
Copper alloys containing iron and silicon and processes for their manufacture.
SU44857A1
(en )
1935-10-31
The method of cooling the reaction gases in the synthesis of ammonia
FR692824A
(en )
1930-11-12
Improvements to ammonia oxidation processes
GB324206A
(en )
1930-01-23
Method of manufacture of anti-friction alloys
GR2452B
(en )
1929-09-16
ANTI-RUBBING METAL FOR MIXING OTHER METALS.
FR695787A
(en )
1930-12-22
Process for the protection of metals and their alloys
FR690875A
(en )
1930-09-26
Process for manufacturing and improving copper alloys
IE11125L
(en )
1930-06-17
Metal casting process
IE12139L
(en )
1930-10-04
Copper alloys
FR676821A
(en )
1930-02-27
Iron and steel decarburization processes
CH160222A
(en )
1933-02-28
Process for the production of castings from alloys.
FR653900A
(en )
1929-03-28
Advanced metal alloy
FR675189A
(en )
1930-02-06
Process for reducing metals from their ores
CA289699A
(en )
1929-05-14
Molten metal purifying apparatus
FR661224A
(en )
1929-07-23
Dyes derived from pyrazolones, their metal derivatives, and processes for their manufacture
ES123674A1
(en )
1931-08-16
Improvements introduced in the manufacture of metal castings.
CA8379S
(en )
1929-06-13
Radiator made of metal
CH131624A
(en )
1929-02-28
Process for the production of metals and alloys.
AT131937B
(en )
1933-02-25
High resistance conductors for electrotechnical purposes and processes for their manufacture.
FR715651A
(en )
1931-12-07
Improvements in the manufacture of copper alloys
CA292846A
(en )
1929-09-03
Metallurgical process
CA291964A
(en )
1929-08-06
Metal pickling method
ES114044A1
(en )
1929-08-16
Iron-silicon alloy with at least 10% silicon.