[KongchangAI]
Unverified50% confidenceDecision RuleTime unknown

认准执行标准:普通医用口罩执行YY/T 0969,医用外科口罩执行YY 0469,医用防护口罩(相当于N95级别)执行GB 19083,三者防护能力递增,包装上必须印明标准号

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https://kongchang.com/claim/121977
API
curl https://kongchang.com/api/v1/knowledge/claims/121977
MCP
get_claim(id=121977)