Document Type and Number:
Japanese Patent JPS52125830
Kind Code:
U
More Like This:
Application Number:
JP3416576U
Publication Date:
September 24, 1977
Filing Date:
March 22, 1976
Export Citation:
International Classes:
E01C11/22; (IPC1-7): E01C11/22
Domestic Patent References:
| JPS5110028U | 1976-01-24 | |||
| JPS495235B1 | 1974-02-06 | |||
| JPS4842727U | 1973-06-01 |