Document Type and Number:
Japanese Patent JPS5091362
Kind Code:
A
Application Number:
JP13940173A
Publication Date:
July 22, 1975
Filing Date:
December 11, 1973
Export Citation:
International Classes:
G04G9/00; G04C3/00; G04G99/00; G09D3/12; (IPC1-7): G04C3/00