Document Type and Number:
Japanese Patent JPS5431307
Kind Code:
U
Application Number:
JP10542577U
Publication Date:
March 01, 1979
Filing Date:
August 05, 1977
Export Citation:
International Classes:
E02D23/00; E02D23/02; (IPC1-7): E02D23/02
Domestic Patent References:
| JPS4811461U | 1973-02-08 |