Document Type and Number:
Japanese Patent JPS5516902
Kind Code:
U
Application Number:
JP9840578U
Publication Date:
February 02, 1980
Filing Date:
July 19, 1978
Export Citation:
International Classes:
B63H23/34; B63B9/00; B63H23/36; (IPC1-7): B63B9/00; B63H5/06; B63H23/36