Document Type and Number:
Japanese Patent JPS5493997
Kind Code:
U
Application Number:
JP16869377U
Publication Date:
July 03, 1979
Filing Date:
December 15, 1977
Export Citation:
International Classes:
E04F15/18; B63B29/02; E04F15/00; (IPC1-7): B63B29/02; E04F15/00