550mm x 470mm x 135mm ValveBox袋印刷530mm x 470mm x 135mm ValveBox袋印刷560mm x 470mm x 135mm ValveBox袋印刷585mm x 500mm x 135mm ValveBox袋印刷530mm x 470mm x 135mm ValveBox袋印刷透气性应至少为100 NH3HR,并且在所有孔上均应具有标准的纳米穿孔三层。测试应符合ISO 7965-1EN27965。稍后给出印刷。层数:3外层白色90GSM可扩展袋牛皮纸第二和第三层90GSM可扩展袋牛皮纸颜色代码 [...]