Document Type and Number:
Japanese Patent JPS5297811
Kind Code:
U
Application Number:
JP525976U
Publication Date:
July 22, 1977
Filing Date:
January 21, 1976
Export Citation:
International Classes:
E04B9/18; B63B29/02; (IPC1-7): E04B5/58; B63B29/02
Domestic Patent References:
| JP51109911B |