Document Type and Number:
Japanese Patent JPS52115096
Kind Code:
U
Application Number:
JP2276076U
Publication Date:
September 01, 1977
Filing Date:
February 27, 1976
Export Citation:
International Classes:
B63B7/08; (IPC1-7): B63B7/08
Domestic Patent References:
| JPS4916069U | 1974-02-09 |