Document Type and Number:
Japanese Patent JPS52168412
Kind Code:
U
Application Number:
JP7791676U
Publication Date:
December 21, 1977
Filing Date:
June 15, 1976
Export Citation:
International Classes:
E04B9/24; B63B29/02; E04B9/18; (IPC1-7): E04B5/57; B63B29/02; E04B5/58