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156-1711-8110

医用外科口罩

2020-08-04

医用外科口罩 1.便 2. 3... : 1.:; 2.:; 3.:使; 4.:使; 5.   1使 2使广 3 : 1. GB19083-2003: (1):(85±2)L/min(0.24±0.06)μm95%N95(FFP2) (2):343.2Pa(35mmH2O) 2. YY 0469-2004: (1):(30±2)L/min(0.24±0.06)μm30%; (2):(3±0.3)μm95%; (3):49Pa29.4Pa 3. (YZB)

医用外科口罩

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