Document Type and Number:
Japanese Patent JPS5222799
Kind Code:
Y2
More Like This:
Application Number:
JP11292772U
Publication Date:
May 25, 1977
Filing Date:
September 27, 1972
Export Citation:
International Classes:
B63B9/00; B63B29/16; B63J4/00; (IPC1-7): B63B9/00; B63B29/16