The production of ultrasonic waves by a piezoelectric generator and the study of some of the ultrasonic phenomena
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| Format: | Others |
| Language: | en |
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Digital Commons @ Lingnan University
1940
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| Online Access: | https://commons.ln.edu.hk/oln_etd/186 https://commons.ln.edu.hk/cgi/viewcontent.cgi?article=1185&context=oln_etd |