Document Type and Number:
Japanese Patent JPS5171592
Kind Code:
A
Inventors:
TANAKA HISAO
Application Number:
JP14638674A
Publication Date:
June 21, 1976
Filing Date:
December 19, 1974
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B24B7/22; B24B37/02; (IPC1-7): B24B37/02