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DIN EN 13639
Determination of total organic carbon in limestone; German version EN 13639:2017
Edition
2017-12
DIN EN ISO 21068-1
Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information, terminology and sample preparation (ISO 21068-1:2024); German version EN ISO 21068-1:2024
Edition
2024-09