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透气透湿测试类
JG-451型透气膜微量测试仪
JG461S型便携式透气量仪
YG461E-Ⅱ型透气量仪
YG461E型透气量仪
YG461H型全自动透气性能测试仪
YG461K型滤芯透气量仪
YG461S型台式透气量仪(静音型)
JG319型海绵空气透气率测试仪
TAI461型烟纸透气度测定仪
YG461E-Ⅰ型低压透气量仪