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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS61173872
Kind Code:
Application Number:
Publication Date:
October 29, 1986
Filing Date:
April 18, 1985
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International Classes:
F04B53/10; F04B25/04; F04B27/08; F04B43/02; F16K15/16; (IPC1-7): F16K15/16; F04B21/02; F04B25/04; F04B43/02

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