Ductile iron pipes, fittings and accessories - External cement mortar coating for pipes - Requirements and test methods; German and English version prEN 15542:2021
German title
Rohre, Formstücke und Zubehör aus duktilem Gusseisen - Zementmörtelumhüllung von Rohren - Anforderungen und Prüfverfahren; Deutsche und Englische Fassung prEN 15542:2021
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