Document Type and Number:
Japanese Patent JPS49141596
Kind Code:
U
Application Number:
JP4214773U
Publication Date:
December 06, 1974
Filing Date:
April 06, 1973
Export Citation:
International Classes:
B63H25/34; B63B35/14; B63H25/30; (IPC1-7): B63H25/30; B63B35/14