DB21/T 3178-2019 Technical specification for non-destructive testing of chloride ion permeability resistance of highway engineering concrete (PERMIT ion migration method) (English Version)
Liaoning Provincial Standard of the People's Republic of China
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DB21/T 3178-2019
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2019DB21/T 3178-2019 Technical specification for non-destructive testing of chloride ion permeability resistance of highway engineering concrete (PERMIT ion migration method)