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公开(公告)号：US963261A
公开(公告)日：1910-07-05
申请号：US1909512585
申请日：1909-08-12
Applicant: TOPPING EDWARD W , TOPPING W V B
Inventor： TOPPING EDWARD W , TOPPING W V B
CPC classification number: E05D15/0652 , E05Y2201/684 , Y10T16/376 , Y10T16/379 , Y10T16/381
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