Document Type and Number:
Japanese Patent JPS5761481
Kind Code:
B2
Inventors:
KIMURA TOMOAKI
NISHINO TADASHI
NISHINO TADASHI
Application Number:
JP7441375A
Publication Date:
December 24, 1982
Filing Date:
June 20, 1975
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B21B1/00; B22D11/06; B22D11/12; C21D9/00; C21D11/00