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公开(公告)号：US2280992A
公开(公告)日：1942-04-28
申请号：US31281040
申请日：1940-01-08
Applicant: WRIGHT RUSSELL M , CARL VOORHIES
Inventor： WRIGHT RUSSELL M , CARL VOORHIES
IPC: A61M1/00
CPC classification number: A61M1/0031 , A61M1/0033 , A61M1/0062
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