过滤式防微粒口罩死腔的试验方法。
Test method for the dead space of filtering particle respirator.
过滤式防微粒口罩总透漏率的试验方法。
Test method for total inward leakage of filtering particle respirator.
过滤式防微粒口罩对空气流呼吸阻力的试验方法。
Test method for airflow resistance of respiration of filtering particle respirator.
过滤式防微粒口罩对空气流呼吸阻力的试验方法。
Test method for airflow resistance of respiration of filtering particle respirator.
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