Document Type and Number:
Japanese Patent JPS5494617
Kind Code:
U
Application Number:
JP17050177U
Publication Date:
July 04, 1979
Filing Date:
December 16, 1977
Export Citation:
International Classes:
F16L19/00; F16L33/00; F16L33/23; F16L35/00; (IPC1-7): F16L33/00