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公开(公告)号：US890950A
公开(公告)日：1908-06-16
申请号：US1907393666
申请日：1907-09-19
Applicant: WASHBURN RICHARD E
Inventor： WASHBURN RICHARD E
CPC classification number: E05D15/063 , E05D15/0634 , E05Y2201/64 , E05Y2600/10 , E05Y2900/132 , Y10T16/3834
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