Document Type and Number:
Japanese Patent JPS5519747
Kind Code:
Y2
Application Number:
JP10352974U
Publication Date:
May 10, 1980
Filing Date:
August 29, 1974
Export Citation:
International Classes:
B63B7/02; B63B5/24; B63B7/04; (IPC1-7): B63B7/04; B63B5/24