Document Type and Number:
Japanese Patent JPS56103397
Kind Code:
U
Application Number:
JP144180U
Publication Date:
August 13, 1981
Filing Date:
January 10, 1980
Export Citation:
International Classes:
B63B25/08; B63B25/12; B63B35/44; B63G8/22; (IPC1-7): B63B35/44; B63B25/12; B63G8/22