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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6442999
Kind Code:
U
Application Number:
JP13838587U
Publication Date:
March 15, 1989
Filing Date:
September 10, 1987
Export Citation:
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International Classes:
B63B15/00; B63B29/04; (IPC1-7): B63B15/00; B63B29/04