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公开(公告)号：US3007177A
公开(公告)日：1961-11-07
申请号：US52598655
申请日：1955-08-02
Applicant: JACKSON JOHN J , CAMPANELLA JOSEPH E
Inventor： JACKSON JOHN J , CAMPANELLA JOSEPH E
IPC: A47K10/22
CPC classification number: A47K10/22 , Y10S248/905
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