TOCCOTRON
INDUCTIVE AND DIELECTRIC HEATING APPARATUS IN WHICH CURRENT FOR HARDENING, ANNEALING, BRAZING, HEATING FOR FORGING, MELTING AND DRYING ARTICLES, AND PARTS OF ARTICLES IS DERIVED FROM ELECTRONIC TUBES, THE TUBES COMPRISING A PART OF THE APPARATUS
Registered · December 28, 1944 · 71478014 ·