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公开(公告)号：US980611A
公开(公告)日：1911-01-03
申请号：US1910583374
申请日：1910-09-23
Applicant: DAVIS ERNEST L J
Inventor： DAVIS ERNEST L J
CPC classification number: B60C5/10 , Y10T152/10549
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公开(公告)号：US984357A
公开(公告)日：1911-02-14
申请号：US1910580810
申请日：1910-09-07
Applicant: DAVIS ERNEST L J
Inventor： DAVIS ERNEST L J
CPC classification number: F23Q25/00
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