Document Type and Number:
Japanese Patent JPH0451302
Kind Code:
Y2
Application Number:
JP19189587U
Publication Date:
December 03, 1992
Filing Date:
December 17, 1987
Export Citation:
International Classes:
F16L39/00; F16L37/00; F16L41/02; F24F13/02; F24F13/06; (IPC1-7): F24F13/02; F24F13/06
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