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公开(公告)号：US1229264A
公开(公告)日：1917-06-12
申请号：US11646616
申请日：1916-08-23
Applicant: HENSLEY VERGIL
Inventor： HENSLEY VERGIL
CPC classification number: B60C17/01 , Y10T152/10126 , Y10T152/10594
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