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ORIGINAL PATENT APPLICATION NUMBER 839,195 FOR IMPROVEMENTS RELATING TO THE HARDENING OF METALLIC OBJECTS BY AN ELECTRICAL INDUCTION-HEATING PROCESS. (WESTMINSTER, LONDON).

Author Reginald Arthur. (Vickers-Armstrongs Aircraft Ltd). Firman
Publisher HMSO
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Book Details
PublisherHMSO
ISBN / ASINB003X36XZM
ISBN-13978B003X36XZ8
MarketplaceFrance 🇫🇷