Document Type and Number:
Japanese Patent JPS5187455
Kind Code:
A
Inventors:
TOGASHI NOBUYUKI
Application Number:
JP1246575A
Publication Date:
July 31, 1976
Filing Date:
January 31, 1975
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B21B37/22; B21B1/06; B21B37/00; (IPC1-7): B21B1/06; B21B37/00