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DIN 16961-2:2018
Thermoplastics pipes and fittings with profiled wall and smooth pipe inside - Part 2: Technical delivery specifications
This part of the standard contains requirements, test methods and specifications concerning marking and testing for thermoplastics pipes and fittings with profiled wall and smooth pipe inside. It is apllicable to pipes with profiled wall and smooth pipe inside according to DIN 16961-1.
Deutsches Institut für Normung [din]