Centering disk and loudspeaker with same

The utility model discloses a centring disk, including the first fixed part that lies in the outside, second fixed part and the connection that lies in the middle part position the linking arm of first fixed part and second fixed part, the centring disk includes the insulating substrate layer and is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA JIANGYU, TAN QIANLIN, SUN YAJING, MA WENTAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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