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公开(公告)号：US3415561A
公开(公告)日：1968-12-10
申请号：US50542265
申请日：1965-09-24
Applicant: LAVONA ANDREWS BRYSON
Inventor： KNOX BRYSON H , CASTLE ALFRED B , JUTEN MILFORD A
CPC classification number: E05F5/08 , E05C17/52 , E05Y2201/212 , E05Y2201/264 , E05Y2201/474 , Y10T292/707
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