Document Type and Number:
Japanese Patent JPH0558805
Kind Code:
B2
Inventors:
INAZAKI KOJI
YOSHIDA MITSUO
YOSHIDA MITSUO
Application Number:
JP12223484A
Publication Date:
August 27, 1993
Filing Date:
June 14, 1984
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
B21B37/00; B21B1/00; B21B1/08; B21B1/12; B21B38/00; B21C51/00; B21B15/00; B21B39/00; B21B43/00; (IPC1-7): B21B37/00; B21B1/08; B21C51/00