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量表范围:1至14 mg/l 急救次数:2次(200ml),1次(标准)(100ml),1/2次(50ml)测量时间:1.5分钟,45秒,30秒,30秒 noneExpiration date: up to 3 yearsSubject gas: petroleum naphthaMeasurement range: 0.5 to 28 mg/lProduct gas: petroleum naphthaEffective period (years): 3Width (mm): 147Depth (mm): 54Height (mm): 19Measurement range (ppm):0.5至24 mg/l
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70g
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