Document Type and Number:
Japanese Patent JPS4872909
Kind Code:
A
More Like This:
| JPS6478111 | LEVEL |
Application Number:
JP10498971A
Publication Date:
October 02, 1973
Filing Date:
December 22, 1971
Export Citation:
International Classes:
G01C9/12; E02D13/06; (IPC1-7): E02D13/06
Domestic Patent References:
| JP41018474A |