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公开(公告)号：US1654256A
公开(公告)日：1927-12-27
申请号：US12722926
申请日：1926-08-05
Applicant: AUTOMATIC LOCK AND CLOSER COMP
Inventor： HILL ERNEST L , WEBBER WILLIAM J
CPC classification number: B64C1/14 , E05C1/12 , Y10T292/0989 , Y10T292/0994
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