DIN EN ISO 25137-2-2017 塑料.砜聚合物模制和挤出材料.第2部分:试样的制备和性能的测定(ISO 25137-2-2009);德文版本EN ISO 25137-2-2017
Plastics - Sulfone polymer moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 25137-2:2009); German version EN ISO 25137-2:2017