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公开(公告)号：US2814336A
公开(公告)日：1957-11-26
申请号：US52488055
申请日：1955-07-28
Applicant: MANHART CHARLES E , CASTELL LOUIS E
Inventor： MANHART CHARLES E , CASTELL LOUIS E
CPC classification number: B60R22/324 , B64D25/06 , Y10T24/45288
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