CA490169A
(fr )
1953-02-03
Fourneaux electriques de fusion
CA491635A
(fr )
1953-03-31
Fournaises electriques
CA492838A
(fr )
1953-05-12
Fournaises
CA492839A
(fr )
1953-05-12
Fournaises
IE21462L
(en )
1953-09-15
Electric melting furnaces
CA497816A
(fr )
1953-11-17
Four de fusion electrique
CA494023A
(fr )
1953-06-30
Chauffage electrique
CA494024A
(fr )
1953-06-30
Chauffage electrique
CA498552A
(fr )
1953-12-22
Four electrique a verre
CA494027A
(fr )
1953-06-30
Radiateurs electriques
CA493662A
(fr )
1953-06-16
Four electrique ferme
CA493434A
(fr )
1953-06-09
Four electrique pour immersion a chaud
CA492840A
(fr )
1953-05-12
Fournaises
CA493649A
(fr )
1953-06-16
Four electrique
CA497125A
(fr )
1953-10-27
Fourneau de fusion
CA494904A
(fr )
1953-07-28
Elements de chauffage electrique
CA491508A
(fr )
1953-03-24
Chauffage electrique
CA494022A
(fr )
1953-06-30
Chauffage electrique
CA494026A
(fr )
1953-06-30
Chauffage electrique
CA494400A
(fr )
1953-07-14
Chauffage electrique
CA492621A
(fr )
1953-05-05
Fours electriques
AU161244B2
(en )
1954-06-24
Electric fuse
CA493317A
(fr )
1953-06-02
Soudure electrique
CA494161A
(fr )
1953-07-07
Radiateurs electriques
CA517410A
(fr )
1955-10-11
Fours electriques