Reference
2829
Four d'induction à grande fréquence Dufour (Le)
Démonstration du maniement et du fonctionnement du four d'induction à grande fréquence Dufour par un technicien à l'Office national des recherches scientifiques et industrielles & des inventions de bellevue.
Duration
Production year
Définition
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Sound
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Original material
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