Document Type and Number:
Japanese Patent JPS57122856
Kind Code:
U
Application Number:
JP950581U
Publication Date:
July 30, 1982
Filing Date:
January 26, 1981
Export Citation:
International Classes:
F16L23/16; F16J15/06; F16J15/10; F16L23/02; (IPC1-7): F16J15/06; F16L23/02