THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN
Online ISSN : 2432-2040
Print ISSN : 0369-4232
Acoustical Letter
A study on the variation in sound attenuation performance of hearing protection devices based on fit-testing
Sakae Yokoyama, Tomohiro Kobayashi
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2026 Volume 82 Issue 9 Pages 514-517

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© 2026 Acoustical Society of Japan
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