Document Type and Number:
Japanese Patent JPS5261097
Kind Code:
U
Application Number:
JP14760275U
Publication Date:
May 04, 1977
Filing Date:
October 29, 1975
Export Citation:
International Classes:
E01D15/14; B63B27/14; B63B27/30; E01D15/20; E01D15/24; (IPC1-7): B63B27/14; E01D15/14