Document Type and Number:
Japanese Patent JPH0475168
Kind Code:
U
Application Number:
JP11799690U
Publication Date:
June 30, 1992
Filing Date:
November 09, 1990
Export Citation:
International Classes:
F16L55/04; F04B11/00; F04B53/00; (IPC1-7): F04B21/00; F04B11/00; F16L55/04
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