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公开(公告)号：US1025473A
公开(公告)日：1912-05-07
申请号：US1911603490
申请日：1911-01-19
Applicant: LACEY FRANCIS H
Inventor： LACEY FRANCIS H
CPC classification number: B60B9/20 , Y10T152/1009 , Y10T152/10378 , Y10T152/10387
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