发明名称 CONCRETE SLABS FOR CONSTRUCTION OF RETAINING WALLS
摘要 CONCRETE SLABS FOR CONSTRUCTION OF RETAINING WALLS Concrete slabs for building retaining walls each concrete slab comprising at least two generally equal length and equal width elements. The elements are defined by dummy grooves, allowing, but not necessitating, breakage of the elements into separate blocks. Some of the dummy grooves allow the creation of at least two (2) retaining wall blocks having half the length of the remaining elements.
申请公布号 CA1324266(C) 申请公布日期 1993.11.16
申请号 CA19890609986 申请日期 1989.08.31
申请人 RATTE, ALAIN 发明人 RATTE, ALAIN;CASTONGUAY, BERTIN
分类号 E02D29/02;E04B2/02;E04B2/06;E04C1/39 主分类号 E02D29/02
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