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消防自救呼吸器一氧化碳防护性能测试仪
GB21976.7-2012《建筑火灾逃生避难器材_第7部分_过滤式消防自救呼吸器》5.5.1 一氧化碳防护性能。 线性误差: ≤±2%F.S 重复性误差: ≤±2%F.S 呼吸流量可调范围:2L/min~60L/min ...
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