[KongchangAI]
Unverified90% confidenceFactTime unknown

美标N95(NIOSH认证)与欧标FFP2、国标KN95过滤效率相近(N95/KN95≥95%,FFP2≥94%),日常防护可通用;但N95为NIOSH认证,采购进口N95需核对NIOSH的TC批准号(格式TC-84A-XXXX)防假货

1
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90%
Confidence
Long-term
Relevance
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First Seen

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https://kongchang.com/claim/122012
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get_claim(id=122012)