Document Type and Number:
Japanese Patent JPS5051678
Kind Code:
U
Application Number:
JP10555473U
Publication Date:
May 19, 1975
Filing Date:
September 07, 1973
Export Citation:
International Classes:
G04C9/00; G04G21/00; G04G99/00; (IPC1-7): G04C9/00
Domestic Patent References:
| JPS486344A | ||||
| JPS37439Y1 | ||||
| JP46005580U |