Document Type and Number:
Japanese Patent JPS5528932
Kind Code:
U
Application Number:
JP11120178U
Publication Date:
February 25, 1980
Filing Date:
August 15, 1978
Export Citation:
International Classes:
G01C15/06; (IPC1-7): G01C15/06
Domestic Patent References:
| JPS5236587U | 1977-03-15 | |||
| JPS4410704Y1 | 1969-04-30 |