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公开(公告)号：US2912714A
公开(公告)日：1959-11-17
申请号：US61681656
申请日：1956-10-18
Applicant: SAMUEL RICH
Inventor： SAMUEL RICH
IPC: E05D15/06
CPC classification number: E05D15/0669 , E05Y2201/614 , E05Y2201/638 , E05Y2201/688 , E05Y2201/706 , E05Y2600/20 , E05Y2900/148 , Y10S16/34 , Y10T16/3819 , Y10T16/3834
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