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Standards Worldwide
Standards Worldwide
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Standard [CURRENT]

ABNT NBR 17072:2022-11-25

Personal protective equipments - Hearing protectors - Methods for measuring loss by inserting hearing protectors in continuous or impulsive noise using procedures with field microphone test device in human ear or acoustic test device

Publication date
2022-11-25
Original language
Portuguese
Pages
66

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Publication date
2022-11-25
Original language
Portuguese
Pages
66

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