Document Type and Number:
Japanese Patent JPS5642552
Kind Code:
Y2
Application Number:
JP724376U
Publication Date:
October 05, 1981
Filing Date:
January 27, 1976
Export Citation:
International Classes:
F16L5/00; B63B29/00; F16L5/02; (IPC1-7): F16L5/00; B63B29/00