Document Type and Number:
Japanese Patent JPS53128706
Kind Code:
U
Application Number:
JP3453677U
Publication Date:
October 13, 1978
Filing Date:
March 22, 1977
Export Citation:
International Classes:
E02D3/12; (IPC1-7): E02D3/12
Domestic Patent References:
| JPS5161120A | 1976-05-27 |