Document Type and Number:
Japanese Patent JPH0479725
Kind Code:
B2
Inventors:
HARA HIDEYOSHI
KAGURAOKA HIROSHI
KAGURAOKA HIROSHI
Application Number:
JP4770083A
Publication Date:
December 16, 1992
Filing Date:
March 22, 1983
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
B21B19/04