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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02117999
Kind Code:
U
Application Number:
JP2670789U
Publication Date:
September 21, 1990
Filing Date:
March 10, 1989
Export Citation:
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International Classes:
B63B15/00; B63H9/06; (IPC1-7): B63H9/06; B63B15/00