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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4210680
Kind Code:
Y1
Application Number:
JP1062164U
Publication Date:
June 13, 1967
Filing Date:
February 17, 1964
Export Citation:
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International Classes:
B21D31/00; B21H1/00; H02G1/02; H02G1/14; (IPC1-7): B21H1/00; H02G1/02; H02G1/14