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公开(公告)号：US1160712A
公开(公告)日：1915-11-16
申请号：US4642715
申请日：1915-08-20
Applicant: SUPERIOR TUBES AND ACCESORIES LTD
Inventor： HENDERSON ALBERT ENNIS
CPC classification number: B60C29/04 , Y10T137/3724
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