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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0342490
Kind Code:
U
Application Number:
JP10290789U
Publication Date:
April 22, 1991
Filing Date:
August 31, 1989
Export Citation:
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International Classes:
B63B5/24; (IPC1-7): B63B5/24
Domestic Patent References:
JPS47686U1972-08-04
JP39002020A