Document Type and Number:
Japanese Patent JPS6347993
Kind Code:
U
Application Number:
JP14222786U
Publication Date:
March 31, 1988
Filing Date:
September 17, 1986
Export Citation:
International Classes:
B63B17/02; B63B19/14; (IPC1-7): B63B19/14; B63B17/02
Domestic Patent References:
| JPS5617780A | 1981-02-19 |
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