Document Type and Number:
Japanese Patent JPH02149398
Kind Code:
U
Application Number:
JP5863689U
Publication Date:
December 19, 1990
Filing Date:
May 23, 1989
Export Citation:
International Classes:
B63H25/10; B63B35/73; B63H11/107; B63H25/46; (IPC1-7): B63H25/10; B63B35/73; B63H11/107; B63H25/46