Document Type and Number:
Japanese Patent JPS54116395
Kind Code:
U
Application Number:
JP1251978U
Publication Date:
August 15, 1979
Filing Date:
February 02, 1978
Export Citation:
International Classes:
B63H7/00; B63B1/24; B63B1/28; (IPC1-7): B63B1/24; B63H7/00