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公开(公告)号：US2170014A
公开(公告)日：1939-08-22
申请号：US17609937
申请日：1937-11-23
Applicant: MASECO CORP
Inventor： ELLIS CHARLES A
IPC: E05F15/12
CPC classification number: E05F15/63 , E05Y2201/236 , E05Y2201/434 , E05Y2600/46 , E05Y2800/11 , E05Y2900/132
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