Document Type and Number:
Japanese Patent JPH0227247
Kind Code:
Y2
Application Number:
JP8233183U
Publication Date:
July 24, 1990
Filing Date:
May 31, 1983
Export Citation:
International Classes:
F16J3/02; F04B43/02; F04B45/04; (IPC1-7): F16J3/02; F04B43/02
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