Document Type and Number:
Japanese Patent JPS562638
Kind Code:
Y2
Application Number:
JP14492075U
Publication Date:
January 21, 1981
Filing Date:
October 24, 1975
Export Citation:
International Classes:
B63B1/18; B63B3/00; B63B5/24; B63B35/14; B63B35/24; (IPC1-7): B63B35/14; B63B5/24