Document Type and Number:
Japanese Patent JPS4822290
Kind Code:
U
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Application Number:
JP6357271U
Publication Date:
March 14, 1973
Filing Date:
July 19, 1971
Export Citation:
International Classes:
B26F1/02; B21D28/14; B26F1/14; B26F1/32; (IPC1-7): B21D28/14; B26F1/14; B26F1/32