发明名称 ROOF TRUSS
摘要 A prefabricated roof truss which includes a bottom plate which attaches to the bottom chord of the roof truss in such a way that the bottom plate does not lift away from the top plate of an interior wall despite the vertical movement of the bottom chord of the roof truss.
申请公布号 US2008092477(A1) 申请公布日期 2008.04.24
申请号 US20070927063 申请日期 2007.10.29
申请人 PERRAULT LARRY;KARROLL DAVID R 发明人 PERRAULT LARRY;KARROLL DAVID R.
分类号 E04C3/18;E04B1/49;E04B9/00;E04C3/02;E04C3/17;E04C3/29;F16B5/12 主分类号 E04C3/18
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