Document Type and Number:
Japanese Patent JPS5517873
Kind Code:
U
Application Number:
JP10023778U
Publication Date:
February 04, 1980
Filing Date:
July 22, 1978
Export Citation:
International Classes:
E01F15/06; E01F15/00; (IPC1-7): E01F15/00
Domestic Patent References:
| JPS5216586U | 1977-02-05 |