Document Type and Number:
Japanese Patent JPS568785
Kind Code:
Y2
Application Number:
JP12231577U
Publication Date:
February 25, 1981
Filing Date:
September 09, 1977
Export Citation:
International Classes:
B63B3/48; B63B9/04; B63B11/00; B63B25/00; B63B29/00; B63B35/54; (IPC1-7): B63B3/48; B63B9/04; B63B25/00
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