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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5025704
Kind Code:
Y1
Application Number:
JP2509070U
Publication Date:
August 01, 1975
Filing Date:
March 17, 1970
Export Citation:
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International Classes:
B21D5/04; B21D5/08; B21D11/20; B21D31/00; (IPC1-7): B21D11/20; B21D31/00



 
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