Full-range moving coil speaker unit and speaker device using the same

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Bibliographic Details
Main Author	CAI, XU-QIN
Format	Patent
Language	Chinese English
Published	11.07.2020
Subjects	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
Online Access	Get full text

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