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公开(公告)号：US629165A
公开(公告)日：1899-07-18
申请号：US1899710164
申请日：1899-03-23
Applicant: LARSON FREDERICK
Inventor： LARSON FREDERICK
CPC classification number: E05D15/0652 , E05Y2201/684 , Y10T16/379 , Y10T16/381
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