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公开(公告)号：US2074653A
公开(公告)日：1937-03-23
申请号：US2348835
申请日：1935-05-25
Applicant: JAMES LARSEN
Inventor： JAMES LARSEN
IPC: A61G5/00
CPC classification number: A61G5/006 , A61G5/1059
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