Document Type and Number:
Japanese Patent JPS5215837
Kind Code:
U
Application Number:
JP10155875U
Publication Date:
February 04, 1977
Filing Date:
July 22, 1975
Export Citation:
International Classes:
E01D15/10; B63B27/14; B64F1/30; B64F1/32; E01D15/127; E01D19/04; E01D101/00; (IPC1-7): E01D15/10; B63B27/14; B64F1/30; E01D21/02