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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0250080
Kind Code:
U
Application Number:
JP12515688U
Publication Date:
April 06, 1990
Filing Date:
September 27, 1988
Export Citation:
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International Classes:
F04B43/04; F04B45/04; F04B45/047; (IPC1-7): F04B43/04; F04B45/04