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| T/CARD 042-2023 (English Version) |
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Detail of T/CARD 042-2023
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Introduction of T/CARD 042-2023
本文件规定了便携式听力计的形式规定要求；规定了便携式听力计用于听阈级测试方法的具体要求；规定了便携式听力计的分类标准。
本文件适用于符合本文件要求的不同便携式听力计。
Contents of T/CARD 042-2023