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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0256799
Kind Code:
U
Application Number:
JP13649988U
Publication Date:
April 24, 1990
Filing Date:
October 19, 1988
Export Citation:
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International Classes:
B63H25/42; B63H3/00; (IPC1-7): B63H3/00; B63H25/42