Document Type and Number:
Japanese Patent JPS50101990
Kind Code:
U
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Application Number:
JP1047874U
Publication Date:
August 22, 1975
Filing Date:
January 25, 1974
Export Citation:
International Classes:
B22D17/20; B21D28/00; B21D28/04; B22D31/00; B23D35/00; B23D79/00; B26F1/14; (IPC1-7): B23D35/00; B21D28/04; B22D31/00