NAME

Du Zhida

Patents

用于碾压混凝土施工的斜层平推铺筑法
  • Hits:
  • First Author:

    姜长全

  • Disigner of the Invention:

    马岚,杨立忱,Du Zhida,马元银

  • Authorization Date:

    1999-04-20

  • Authorization number:

    ZL 99 1 05827.5

Pre One:一种防止混凝土坝岸坡坝段开裂渗漏水的结构

Next One:一种给排水管道过土工膜的防渗防锈法兰设计
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