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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6142735
Kind Code:
Y2
Application Number:
JP15745380U
Publication Date:
December 04, 1986
Filing Date:
November 05, 1980
Export Citation:
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International Classes:
B21D28/04; B21D37/04; B23D15/04; B23D35/00; (IPC1-7): B23D15/04; B21D28/04; B21D37/04; B23D35/00