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公开(公告)号：US2309604A
公开(公告)日：1943-01-26
申请号：US34063740
申请日：1940-06-15
Applicant: NORTON LASIER COMPANY
Inventor： LAKEMACHER ELMER E
IPC: E05C17/28
CPC classification number: E05C17/28 , Y10T16/27 , Y10T292/301 , Y10T292/305
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公开(公告)号：US2244787A
公开(公告)日：1941-06-10
申请号：US26795939
申请日：1939-04-15
Applicant: NORTON LASIER COMPANY
Inventor： LAKEMACHER ELMER E
IPC: E05F5/02
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