CA330148A
(fr )
1933-02-14
Alliage
CA329032A
(fr )
1933-01-03
Alliage
CA329799A
(fr )
1933-01-31
Alliage
CA330737A
(fr )
1933-03-07
Alliage
CA331248A
(fr )
1933-03-28
Alliage
CA331644A
(fr )
1933-04-11
Alliage
CA334295A
(fr )
1933-07-25
Fabrication d'alliages
CA338025A
(fr )
1933-12-19
Alliage dur
CA338024A
(fr )
1933-12-19
Alliage dur
CA334236A
(fr )
1933-07-25
Alliage metallique
CA337038A
(fr )
1933-11-07
Alliage metallique
CA333776A
(fr )
1933-07-04
Traitement d'alliages
CA337012A
(fr )
1933-11-07
Traitement d'alliage de fer, nickel et beryllium
CA334598A
(fr )
1933-08-08
Alliage d'aluminium
CA331233A
(fr )
1933-03-28
Alliage de lithium
CA334528A
(fr )
1933-08-01
Alliage de lithium
CA338197A
(fr )
1933-12-26
Alliage d'argent
CA333186A
(fr )
1933-06-13
Galvanoplastie d'alliage
CA332992A
(fr )
1933-06-06
Alliage de magnesium
CA333671A
(fr )
1933-07-04
Production d'alliage
CA337224A
(fr )
1933-11-21
Alliage de zinc
CA336645A
(fr )
1933-10-24
Alliage refractaire
CA337987A
(fr )
1933-12-19
Alliage pour electrodes
CA332015A
(fr )
1933-04-25
Alliage de brasage
CA334311A
(fr )
1933-07-25
Alliage magnetique