CA540475A
(fr )
1957-05-07
Alliages de plomb dur
CA541056A
(fr )
1957-05-21
Alliage de plomb
CA537159A
(fr )
1957-02-12
Alliages d'uranium
CA545225A
(fr )
1957-08-20
Alliages semi-conducteurs
CA529190A
(fr )
1956-08-14
Alliage de vanadium, carbone et fer
CA546823A
(fr )
1957-10-01
Accumulateurs electriques d'acide de plomb
CA550915A
(fr )
1957-12-31
Alliages de nickel, de silicium et de bore
CA541150A
(fr )
1957-05-21
Alliage a base de magnesium
CA547336A
(fr )
1957-10-08
Fonte de zinc
CA549981A
(fr )
1957-12-10
Alliages ternaires de zirconium
CA550342A
(fr )
1957-12-17
Alliages de zirconium ternaire
CA523003A
(fr )
1956-03-20
Alliages
CA528750A
(fr )
1956-08-07
Alliages de molybdene et zirconium
CA528748A
(fr )
1956-08-07
Alliages de molybdene et colombium
CA520352A
(fr )
1956-01-03
Alliages
CA523004A
(fr )
1956-03-20
Alliage
CA523005A
(fr )
1956-03-20
Alliage
CA523735A
(fr )
1956-04-10
Alliage
CA527672A
(fr )
1956-07-10
Alliage
CA545224A
(fr )
1957-08-20
Alliages cristallins simples
AU224426B2
(en )
1958-01-16
Lead smelting
CA550278A
(fr )
1957-12-17
Piles primaires
AU219123B2
(en )
1958-04-17
Improved alloy addition technique
CA545684A
(fr )
1957-09-03
Graisses de lithium
AU221549B2
(en )
1958-02-20
Bearing alloys