Document Type and Number:
Japanese Patent JPS52115097
Kind Code:
U
Application Number:
JP2334876U
Publication Date:
September 01, 1977
Filing Date:
February 28, 1976
Export Citation:
International Classes:
B63B9/00; B63B9/06; F16B17/00; (IPC1-7): B63B9/06; F16B17/00