CA494407A
(fr )
1953-07-14
Chauffage a haute frequence
CA505129A
(fr )
1954-08-17
Rechaud a induction de haute frequence
CA501284A
(fr )
1954-04-06
Chauffage a haute frequence
CA525018A
(fr )
1956-05-15
Radiateur de haute frequence
CA506803A
(fr )
1954-10-26
Elements de chauffage electrique
AU200599B2
(en )
1954-12-23
High-frequency iinductor
CA504116A
(fr )
1954-07-06
Appareil a induction electromagnetique
CA500856A
(fr )
1954-03-23
Four a induction
CA550929A
(fr )
1957-12-31
Appareil de chauffage a induction a haute frequence
AU103154A
(en )
1954-12-23
High-frequency iinductor
CA528436A
(fr )
1956-07-31
Rechaud a induction a frequence ultra haute
CA502887A
(fr )
1954-05-25
Generateur a induction
AU200305B2
(en )
1954-12-02
Space heating
CA506089A
(fr )
1954-09-28
Chauffage electrique
CA490254A
(fr )
1953-02-03
Radiateur a induction
AU202821B2
(en )
1955-05-12
Heating apparatus
CA507886A
(fr )
1954-12-07
Appareil de chauffage
CA519060A
(fr )
1955-11-29
Appareil de chauffage a induction de haute frequence
CA501373A
(fr )
1954-04-06
Dispositifs de chauffage
CA507498A
(fr )
1954-11-23
Dispositifs de chauffage
AU201843B2
(en )
1955-06-09
Electric induction furnaces
CA504980A
(fr )
1954-08-10
Bruleur
CA503352A
(fr )
1954-05-25
Radiateur
CA500511A
(fr )
1954-03-09
Chaufferette
CA499496A
(fr )
1954-01-26
Inducteur a haute frequence