20 صفحه پی دی اف
ISO 1920-12:2015-Testing of concrete &mdash Part 12:Determination of the carbonation
resistance of concrete &mdash Accelerated carbonation method
لینک منبع و پست :http://campiran.ir/project-102679-iso-1920-122015-testing-of-concrete-%e2%80%94-part-12/
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