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Elimination of ambient noise, Permissible noise levels – Welch Allyn AM 232 Manual Audiometer - User Manual User Manual

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Elimination of ambient noise, Permissible noise levels | Welch Allyn AM 232 Manual Audiometer - User Manual User Manual | Page 16 / 38 Elimination of ambient noise, Permissible noise levels | Welch Allyn AM 232 Manual Audiometer - User Manual User Manual | Page 16 / 38