Document Type and Number:
Japanese Patent JPS57130225
Kind Code:
U
Application Number:
JP1649181U
Publication Date:
August 13, 1982
Filing Date:
February 07, 1981
Export Citation:
International Classes:
G01F23/32; (IPC1-7): G01F23/08
Domestic Patent References:
| JPS525556B1 | 1977-02-15 |