Document Type and Number:
Japanese Patent JPS5588416
Kind Code:
U
Application Number:
JP17153778U
Publication Date:
June 18, 1980
Filing Date:
December 12, 1978
Export Citation:
International Classes:
E01F7/04; E01F7/00; (IPC1-7): E01F7/00
Domestic Patent References:
| JPS3714839Y1 |