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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6222477
Kind Code:
Y2
Application Number:
JP17114081U
Publication Date:
June 08, 1987
Filing Date:
November 17, 1981
Export Citation:
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International Classes:
B63B5/24; B63B19/00; B63B19/12; B63B35/14; (IPC1-7): B63B19/12; B63B19/00