Document Type and Number:
Japanese Patent JPS6312136
Kind Code:
B2
Inventors:
TAKEDA YOSHINOBU
Application Number:
JP12766580A
Publication Date:
March 17, 1988
Filing Date:
September 13, 1980
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
B22F3/14; B22F3/15; B22F5/00; B22F5/12; C22C1/05