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公开(公告)号：US2585621A
公开(公告)日：1952-02-12
申请号：US78513947
申请日：1947-11-10
Applicant: N A HARDIN , HAZEL H WRIGHT , NEWTON CATHERINE H
Inventor： BRANDON CLARENCE W
IPC: F16B39/34
CPC classification number: F16B39/34 , Y10S411/938 , Y10S411/947
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