CA506803A
(fr )
1954-10-26
Elements de chauffage electrique
CA494027A
(fr )
1953-06-30
Radiateurs electriques
CA500643A
(fr )
1954-03-16
Dispositif de connexion electrique
CA506089A
(fr )
1954-09-28
Chauffage electrique
CA490545A
(fr )
1953-02-17
Chauffe-batterie
CA494023A
(fr )
1953-06-30
Chauffage electrique
CA494024A
(fr )
1953-06-30
Chauffage electrique
CA500511A
(fr )
1954-03-09
Chaufferette
CA504980A
(fr )
1954-08-10
Bruleur
CA503352A
(fr )
1954-05-25
Radiateur
CA499173A
(fr )
1954-01-12
Rechauffeurs
AU205302B2
(en )
1955-05-19
Improvements in electrical heating elements
CA495671A
(fr )
1953-09-01
Radiateur electrique
CA496267A
(fr )
1953-09-22
Radiateur electrique
CA498946A
(fr )
1954-01-05
Dispositifs electriques de chauffage
CA491327A
(fr )
1953-03-17
Chaufferette
CA507000A
(fr )
1954-11-02
Appareil de chauffage electrique
CA503513A
(fr )
1954-06-08
Systemes electriques de communication
CA508005A
(fr )
1954-12-07
Precipitation electrique
AU200305B2
(en )
1954-12-02
Space heating
CA506674A
(fr )
1954-10-19
Grille electrique
AU204046B2
(en )
1956-03-29
An improved electric water heater
CA494161A
(fr )
1953-07-07
Radiateurs electriques
CA506077A
(fr )
1954-09-28
Balance electrique
CA503761A
(fr )
1954-06-22
Appareil de chauffage electrique