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公开(公告)号：US2271098A
公开(公告)日：1942-01-27
申请号：US28913739
申请日：1939-08-09
Applicant: NORTON LASIER COMPANY
Inventor： SCHMIDT LOUIS F
IPC: E05F3/00
CPC classification number: E05F3/00 , E05F3/227 , E05Y2201/10 , E05Y2201/11 , E05Y2900/132 , Y10T16/27
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