OAK

CNC 가공 및 초음파 세척공정의 소음 주파수 특성과 노이즈 캔슬링 이어폰의 체감 차음효과에 관한 연구

= A study on Noise Levels and Frequency Characteristics of CNC Machining, Air Gun, and Ultrasonic Cleaning Processes, and the Perceived Attenuation Effect of Noise-Canceling Earphones
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기계시스템공학과 > 1. Thesis
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