Wall block and wall block system
作者： Robert A. MacDonald
DOI:
关键词:
摘要: A wall block, block system and method of making a block. The including at least one core extending from the top surface to bottom surface, having opposed front rear surfaces first second side also pin hole opening onto portion distance surface. may open core. be provided with channels; hole, channels all formed in mold box by single forming member.
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