Document Type and Number:
Japanese Patent JPS4938290
Kind Code:
U
Application Number:
JP7851272U
Publication Date:
April 04, 1974
Filing Date:
July 03, 1972
Export Citation:
International Classes:
G06C1/00; (IPC1-7): G06C1/00
Domestic Patent References:
| JPS4213135Y1 | 1967-07-26 |