Document Type and Number:
Japanese Patent JPS51133262
Kind Code:
U
Application Number:
JP5332075U
Publication Date:
October 27, 1976
Filing Date:
April 18, 1975
Export Citation:
International Classes:
G04G9/00; G04C19/00; G09D3/12; (IPC1-7): G04C19/00
Domestic Patent References:
| JPS4973230A | 1974-07-15 |