Document Type and Number:
Japanese Patent JPS531663
Kind Code:
Y2
Application Number:
JP13019672U
Publication Date:
January 18, 1978
Filing Date:
November 12, 1972
Export Citation:
International Classes:
B23D35/00; B21D28/28; B21D28/32; B23B5/00; B23D21/00; B23D21/02; B23D23/02; B26F1/00; B26F1/02; (IPC1-7): B23D21/00
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