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公开(公告)号：US2650387A
公开(公告)日：1953-09-01
申请号：US23785451
申请日：1951-07-21
Applicant: FOSS DONALD D
Inventor： FOSS DONALD D
IPC: E05D15/06
CPC classification number: E05D15/0691 , E05Y2201/488 , Y10T16/364
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