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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0321764
Kind Code:
Y2
Application Number:
JP14588883U
Publication Date:
May 13, 1991
Filing Date:
September 22, 1983
Export Citation:
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International Classes:
B21D5/02; B23Q9/00; B23Q11/00; B30B15/00; (IPC1-7): B21D5/02; B30B15/00