Document Type and Number:
Japanese Patent JPS53140726
Kind Code:
U
Application Number:
JP4401077U
Publication Date:
November 07, 1978
Filing Date:
April 11, 1977
Export Citation:
International Classes:
B21C26/00; B21C25/00; B21J13/02; B21J13/03; (IPC1-7): B21J13/02; B21C25/00