DIN EN ISO 8502-9 (2015-04)被替代
Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness Part 9: Field method for the conductometric determination of water-soluble salts (ISO/DIS 8502-9:2015); German and English version prEN ISO 8502-9:2015
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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