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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4414679
Kind Code:
Y1
Application Number:
JP367567U
Publication Date:
June 23, 1969
Filing Date:
January 13, 1967
Export Citation:
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International Classes:
B21D31/04; B21D47/00; (IPC1-7): B21D31/04; B21D47/00