GB/T 39415.2-2020包装袋特征性能规范方法第2部分:热塑性软质薄膜袋标准
英文:Packaging sacks—Method of specifications for characteristics—Part 2: Sacks made from thermoplastic flexible film GB/T...
英文:Packaging sacks—Method of specifications for characteristics—Part 2: Sacks made from thermoplastic flexible film GB/T...