GB/T 24328.7-2009.Tissue paper and tissue products-Part 7:Determination of ball burst strength. 1范围 ...
GB/T 24328.7-2020 卫生纸及其制品 第7部分:球形耐破度的测定
GB/T 24328.7-2020.Tissue paper and tissue products-Part 7 :Determination of ball burst strength. 1范围...