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公开(公告)号：US2893676A
公开(公告)日：1959-07-07
申请号：US59629156
申请日：1956-07-06
Applicant: CHARLES PARKER COMPANY
Inventor： CONNORS JAMES J , ELSENHEIMER CHARLES W
CPC classification number: A47K1/08 , A47K10/10 , A47K2201/02
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