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Continue to ChatPiezoelectric Based Acoustics Frequency Converter - https://avesis.comu.edu.tr/publication/details/5e37ab02-e602-496c-9074-de70de0623d5/piezoelectric-based-acoustics-frequency-converter
Piezoelectric Based Acoustics Frequency Converter - https://avesis.comu.edu.tr/publication/details/5e37ab02-e602-496c-9074-de70de0623d5/piezoelectric-based-acoustics-frequency-converter