Document Type and Number:
Japanese Patent JPH02149879
Kind Code:
U
More Like This:
Application Number:
JP5808089U
Publication Date:
December 21, 1990
Filing Date:
May 22, 1989
Export Citation:
International Classes:
F16L55/04; F04B11/00; (IPC1-7): F04B11/00; F16L55/04
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