Document Type and Number:
Japanese Patent JPS5252366
Kind Code:
U
Application Number:
JP13857575U
Publication Date:
April 14, 1977
Filing Date:
October 13, 1975
Export Citation:
International Classes:
E02D29/14; E02D19/14; (IPC1-7): E02D19/14
Domestic Patent References:
| JPS4216503Y1 | 1967-09-23 |