DIN 3230-4:1977-03 Technical Conditions of Delivery for Valves; Valves for Potable Water Service, Requirements and Testing

标准编号：DIN 3230-4:1977-03

英文标题：Technical Conditions of Delivery for Valves; Valves for Potable Water Service, Requirements and Testing

德文标题：Technische Lieferbedingungen für Armaturen; Armaturen für Trinkwasser, Anforderungen und Prüfung

发布日期：1977-03

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