Document Type and Number:
Japanese Patent JPS538386
Kind Code:
B2
Application Number:
JP12706673A
Publication Date:
March 28, 1978
Filing Date:
November 12, 1973
Export Citation:
International Classes:
B21D28/02; B21D35/00; B23D36/00; B23P13/00; B23P17/00; B26D9/00; B30B1/00
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