Document Type and Number:
Japanese Patent JPH0334548
Kind Code:
Y2
Application Number:
JP680387U
Publication Date:
July 22, 1991
Filing Date:
January 20, 1987
Export Citation:
International Classes:
F16L33/20; F16L35/00; F16L57/00; (IPC1-7): F16L33/20; F16L35/00; F16L57/00
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