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公开(公告)号：US1558278A
公开(公告)日：1925-10-20
申请号：US67799723
申请日：1923-12-01
Applicant: ELMA PHILLIPS
Inventor： ELMA PHILLIPS
CPC classification number: A61F7/007 , A61F7/08 , A61F2007/0078 , A61F2007/0201 , A63H3/005 , Y10S383/901
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