Document Type and Number:
Japanese Patent JPS61159497
Kind Code:
U
Application Number:
JP4460685U
Publication Date:
October 02, 1986
Filing Date:
March 27, 1985
Export Citation:
International Classes:
E21D9/08; (IPC1-7): E21D9/08
Domestic Patent References:
| JPS5924492U | 1984-02-15 |