发明名称 SUPPORT SPACERS FOR CONCRETE REINFORCEMENT RODS
摘要 A spacer for concrete reinforcement rods of a plastics material comprising a U shaped support member having teeth on the legs of the member for engagement by teeth on a locking member to secure the reinforcement rod in position between the legs.
申请公布号 US3694989(A) 申请公布日期 1972.10.03
申请号 USD3694989 申请日期 1970.01.05
申请人 CELMAC PLASCLIP LTD. 发明人 KEITH W. OLIVER;DONALD TAYLOR
分类号 E04C5/20;(IPC1-7):E04C5/20 主分类号 E04C5/20
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