Document Type and Number:
Japanese Patent JPS57139813
Kind Code:
U
Application Number:
JP2604881U
Publication Date:
September 01, 1982
Filing Date:
February 27, 1981
Export Citation:
International Classes:
G01D11/28; G12B11/02; (IPC1-7): G01D11/28; G12B11/02
Domestic Patent References:
| JPS5120785B1 | 1976-06-28 | |||
| JP54060830B |