Document Type and Number:
Japanese Patent JPS5025708
Kind Code:
Y1
Application Number:
JP11974570U
Publication Date:
August 01, 1975
Filing Date:
December 03, 1970
Export Citation:
International Classes:
B25D5/00; B21D22/02; B21D31/00; (IPC1-7): B21D22/02; B25D5/00