DIN EN ISO 25649-1:2018-04 水上和水中使用的漂浮休闲用品第1部分:分类、材料、一般要求和测试方法
Floating leisure articles for use on and in the water - Part 1: Classification, materials, general requirements and test methods (ISO 25649-1:2017); German version EN ISO 25649-1:2017 / Note: Applies in conjunction with DIN EN ISO 25649-2 (2018-04), DI...