Title:
KEEL PORTION PROTECTING DEVICE FOR CEMENT OR FRP BOAT
Document Type and Number:
Japanese Patent JPS51147890
Kind Code:
A
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Inventors:
ROBAATO RAIRU GURIFUISU
Application Number:
JP6974475A
Publication Date:
December 18, 1976
Filing Date:
June 11, 1975
Export Citation:
Assignee:
TAMURA KIYOSHI
International Classes:
B63B5/14; B63B5/20; (IPC1-7): B63B5/20
Domestic Patent References:
| JPS4722697B1 |