Document Type and Number:
Japanese Patent JPS5346376
Kind Code:
B2
Application Number:
JP14662574A
Publication Date:
December 13, 1978
Filing Date:
December 20, 1974
Export Citation:
International Classes:
B21B1/16; B21B1/18; B21H8/00; E04C5/03; B21B1/08; B21B39/16
Previous Patent: JPS5346375
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