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公开(公告)号：US743141A
公开(公告)日：1903-11-03
申请号：US1903148301
申请日：1903-03-18
Applicant: BRENT EDWIN
Inventor： BRENT EDWIN
CPC classification number: E05D15/0634 , E05Y2201/64 , Y10T16/3816 , Y10T16/3834
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