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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6229128
Kind Code:
Y2
Application Number:
JP4707182U
Publication Date:
July 27, 1987
Filing Date:
March 31, 1982
Export Citation:
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International Classes:
B21B19/06; B21B19/02; B21B23/00; B21B39/14; B21B39/16; (IPC1-7): B21B23/00; B21B19/02; B21B39/14