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公开(公告)号：US1267544A
公开(公告)日：1918-05-28
申请号：US17124017
申请日：1917-05-26
Applicant: NON SKID COMPANY OF AMERICA
Inventor： HAUBNER ROBERT W
CPC classification number: B60C11/1612 , Y10T152/10279
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