Document Type and Number:
Japanese Patent JPS5288593
Kind Code:
U
Application Number:
JP17614375U
Publication Date:
July 01, 1977
Filing Date:
December 24, 1975
Export Citation:
International Classes:
G08G1/095; E01F9/00; G08G1/09; G09F11/00; (IPC1-7): G08G1/09; E01F9/00; G09F11/00
Domestic Patent References:
| JP50105391B |