ASTM C39 2015

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  • เผยแพร่เมื่อ 19 ก.พ. 2016
  • This video is published by the courtesy of TECHTRAINING llc. This video is current as of 2015. The video reviews ASTM C 39: Determining the compressive strength of cylindrical concrete specimens. To view other products by TECHTRAINING llc please visit www.techtrainingllc.net

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