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公开(公告)号：US2668530A
公开(公告)日：1954-02-09
申请号：US27697752
申请日：1952-03-17
Applicant: TACKABERRY JOHN A
Inventor： TACKABERRY JOHN A
CPC classification number: A47C21/006 , A61H23/0263 , A61H2201/0138 , A61H2201/0142
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