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      AWWA C227-17 pdf download

      AWWA C227-17 pdf download.Bolted, Split-Sleeve Couplings The selection of materials is critical for...
      12/31/2021AWWA Standards255Bolted Split-Sleeve Couplings评论
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      AWWA C227-11 pdf download

      AWWA C227-11 pdf download.Bolted, Split-Sleeve Restrained and Nonrestrained Couplings for Plain-End ...
      12/29/2021AWWA Standards113Bolted Split-Sleeve Restrained and Nonrestrained Couplings for Plain-End Pipe评论
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