Document Type and Number:
Japanese Patent JPH0225477
Kind Code:
B2
Inventors:
OKUYA TETSUO
Application Number:
JP18038881A
Publication Date:
June 04, 1990
Filing Date:
November 12, 1981
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
G05D9/12; G05D9/00; G21D3/00; G21D3/08