Document Type and Number:
Japanese Patent JPS63180795
Kind Code:
U
Application Number:
JP7174287U
Publication Date:
November 22, 1988
Filing Date:
May 15, 1987
Export Citation:
International Classes:
F16L23/16; F16J15/06; F16L23/02; F16L37/00; F16L39/04; (IPC1-7): F16L39/04; F16J15/06; F16L23/02