Partially reinforcing method and apparatus of metal material

The present invention intends to provide the partially reinforcing method and apparatus for reinforcing the required part of the metal material having good forming property and relatively low strength (hardness and yield stress) by the press processing. The partial reinforcing method is comprised of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TODAKA HIROTAKA, KADOMA YOSHIAKI, IIDA MASATAKA
Format: Patent
Sprache:eng
Schlagworte:
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