Document Type and Number:
Japanese Patent JPH01108898
Kind Code:
U
Application Number:
JP511588U
Publication Date:
July 24, 1989
Filing Date:
January 18, 1988
Export Citation:
International Classes:
B63H21/165; B63B35/73; B63C11/46; B63H23/26; (IPC1-7): B63H21/165; B63B35/86