20 صفحه پی دی اف
ISO 1920-12:2015-Testing of concrete — Part 12:Determination of the carbonation
resistance of concrete — Accelerated carbonation method
ISO 1920-12:2015-Testing of concrete — Part 12
20 صفحه پی دی اف
ISO 1920-12:2015-Testing of concrete — Part 12:Determination of the carbonation
resistance of concrete — Accelerated carbonation method