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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5338686
Kind Code:
Y2
Application Number:
JP4967074U
Publication Date:
September 19, 1978
Filing Date:
May 01, 1974
Export Citation:
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International Classes:
B21D37/14; B21D37/04; B30B15/02; (IPC1-7): B21D37/04; B30B15/02