Document Type and Number:
Japanese Patent JPH0320301
Kind Code:
B2
Inventors:
KYOTOO HIDEO
Application Number:
JP19501482A
Publication Date:
March 19, 1991
Filing Date:
November 06, 1982
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
B22D7/00; B22D27/08
Next Patent: JPH0320302