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公开(公告)号：US2860871A
公开(公告)日：1958-11-18
申请号：US48276355
申请日：1955-01-19
Applicant: ALLIANCE MFG CORP
Inventor： SCHNEIDER EMMOR V
IPC: E05F15/16
CPC classification number: E05F15/684 , E05Y2201/646 , E05Y2800/00 , E05Y2900/106 , Y10T74/18152 , Y10T74/1884
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