发明名称 FOOT FREE CONCRETE FOUNDATION METHOD AND DEVICE
摘要 A foundation form comprising a first barrier, an opposed second barrier oriented at a non-right angle toward the first barrier, and a plurality of ties engaging with the first barrier and the second barrier at a plurality of axial lengths.
申请公布号 US2013305654(A1) 申请公布日期 2013.11.21
申请号 US201313948348 申请日期 2013.07.23
申请人 WALKER JAMES 发明人 WALKER JAMES
分类号 E04G11/08;E02D15/02 主分类号 E04G11/08
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