DIN EN ISO 228-1 Bb.1:2003 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation; Limits of size
2003DIN EN ISO 228-1:2003-05 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
2003DIN EN ISO 228-1 Bb.1:2003 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation; Limits of size