a1s2d3f4 发表于 2018-8-30 12:04:53

求 ISO 9073-15 Textiles - Test methods for nonwovens - Part 15: Determination

求 ISO 9073-15  Textiles - Test methods for nonwovens - Part 15: Determination of air permeability



onceok 发表于 2018-8-30 12:04:54

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