Document Type and Number:
Japanese Patent JPS5181761
Kind Code:
U
Application Number:
JP15632574U
Publication Date:
June 30, 1976
Filing Date:
December 23, 1974
Export Citation:
International Classes:
G01G23/375; G01G1/18; G02F7/00; (IPC1-7): G01G1/18; G02F7/00
Domestic Patent References:
| JP49056970B |