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[′bak ‚chek] (design engineering)
In a hydraulic door closer, a mechanism that slows the speed with which a door may be opened.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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In a hydraulic door closer, 1 a mechanism which slows the speed with which a door may be opened.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.