DIN 16968 Pipes made of Polybutene-1 (PB-1) - PB 125 - General quality requirements and testing; Text in German and English
DIN EN ISO 12162 Thermoplastics materials for pipes and fittings for pressure applications - Classification, designation and design coefficient (ISO 12162:2009); German version EN ISO 12162:2009
DIN 16969:2012 history
2012DIN 16969:2012-11 Pipes made of polybutene-1 (PB-1) - PB 125 - Dimensions; Text in German and English
2012DIN 16969:2012 Pipes made of polybutene-1 (PB-1) - PB 125 - Dimensions; Text in German and English
1997DIN 16969:1997 Pipes made of polybutene (PB) - PB 125 - Dimensions