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**]]> Sun, 20 Aug 2017 17:31:15 GMT https://es.slideshare.net/slideshow/manual-de-prcticas-de-concreto/78998310 hectorgalvan@slideshare.net(hectorgalvan) Manual de prácticas de concreto hectorgalvan ** <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/manualdeprcticasdeconcreto-170820173115-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> **
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