Document Type and Number:
Japanese Patent JPS5025297
Kind Code:
U
Application Number:
JP7856373U
Publication Date:
March 22, 1975
Filing Date:
July 02, 1973
Export Citation:
International Classes:
B63B7/06; B63B5/24; (IPC1-7): B63B7/06; B63B5/24
Domestic Patent References:
| JPH054055U | 1993-01-22 | |||
| JPS4513566Y1 | 1970-06-10 |