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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6317526
Kind Code:
Y2
Application Number:
JP10442183U
Publication Date:
May 18, 1988
Filing Date:
July 04, 1983
Export Citation:
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International Classes:
B21D13/02; B21F1/04; (IPC1-7): B21D13/02; B21F1/04