Document Type and Number:
Japanese Patent JPH0199792
Kind Code:
U
Application Number:
JP19693487U
Publication Date:
July 04, 1989
Filing Date:
December 25, 1987
Export Citation:
International Classes:
B63B15/00; B63H21/34; (IPC1-7): B63B15/00; B63H21/34
Domestic Patent References:
| JP44024145A | ||||
| JP60193888B | ||||
| JP58143785B |
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