Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000); German version EN ISO 228-1:2003
German title
Rohrgewinde für nicht im Gewinde dichtende Verbindungen - Teil 1: Maße, Toleranzen und Bezeichnung (ISO 228-1:2000); Deutsche Fassung EN ISO 228-1:2003
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