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公开(公告)号:US20180009627A1
公开(公告)日:2018-01-11
申请号:US15646422
申请日:2017-07-11
CPC分类号: B65H57/04 , B63B21/04 , B65H2701/35 , F16L5/00 , Y10T29/49828
摘要: An insert is provided for use on industry standard gratings to prevent wear and damage to rigging ropes passing through the insert.