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公开(公告)号：US928137A
公开(公告)日：1909-07-13
申请号：US1909484206
申请日：1909-03-18
Applicant: LEWIS WALTER ROOME
Inventor： LEWIS WALTER ROOME
CPC classification number: E05D15/0652 , E05Y2201/684 , Y10T16/379 , Y10T16/3834
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