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公开(公告)号：US648524A
公开(公告)日：1900-05-01
申请号：US1900005435
申请日：1900-02-16
Applicant: STEPHEN B PAYNE , THOMAS J FRANK , POFFENBERGER IRA
Inventor： POFFENBERGER IRA
CPC classification number: B60C15/0206
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