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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS544510
Kind Code:
Y2
Application Number:
JP14370576U
Publication Date:
February 27, 1979
Filing Date:
October 25, 1976
Export Citation:
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International Classes:
B21D1/02; B23D63/00; B23P6/00; (IPC1-7): B21D1/02; B23P7/00