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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS557220
Kind Code:
Seal for the passage of a movable part into a germ-free enclosure comprising a sleeve surrounding this movable part. Said sleeve is provided with a hot fluid circulation through an inlet, an outlet and a by-pass outlet. During normal running the inlet and by-pass outlet are open and the outlet closed.

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Application Number:
Publication Date:
February 23, 1980
Filing Date:
October 30, 1973
Export Citation:
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International Classes:
A23C7/00; A23C3/02; A23L1/00; B65B3/00; B67C3/00; B67C3/28; F16J15/16; F16J15/40; F16K41/00; F16K49/00