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Gas Mask
1. Resist CLCN Time: more than 30min (30L/Min, 1.5mg/L, relative humidity 80%)
2 Aspiratory resistance: ≤196Pa (30L/min)
3. Eepiratory resistance: ≤100Pa (30L/min)
4. Visual Field: Total visual field: ≥75%
Binocular visual field: ≥30%
5. Transmission rate of oil mist: ≤0.005%
gas mask/chemical gas mask