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公开(公告)号：US738566A
公开(公告)日：1903-09-08
申请号：US1902132475
申请日：1902-11-22
Applicant: NIRDLINGER CLARENCE DAWSON
Inventor： NIRDLINGER CLARENCE DAWSON
CPC classification number: B60C7/12 , Y10S152/05 , Y10T152/10387 , Y10T152/1045
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