Document Type and Number:
Japanese Patent JPS52141206
Kind Code:
U
Application Number:
JP5021776U
Publication Date:
October 26, 1977
Filing Date:
April 21, 1976
Export Citation:
International Classes:
E02D3/12; (IPC1-7): E02D3/12
Domestic Patent References:
| JPS4810968U | 1973-02-07 |