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公开(公告)号：US2610330A
公开(公告)日：1952-09-16
申请号：US8946449
申请日：1949-04-25
Applicant: SUTTON JAY E
Inventor： SUTTON JAY E
IPC: A61G7/10
CPC classification number: A61G7/1019 , A61G7/1036 , A61G7/1046 , A61G7/1057
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