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公开(公告)号：US2583662A
公开(公告)日：1952-01-29
申请号：US60717045
申请日：1945-07-26
Applicant: NOBLE FRANCIS D
Inventor： NOBLE FRANCIS D
IPC: E05F15/16
CPC classification number: E05F15/665 , E05Y2201/21 , E05Y2201/434 , E05Y2900/108
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