Wall-mounted sound box with lifting mechanism

The utility model discloses a wall-mounted sound box with a lifting mechanism, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a fixed block, the upper surface of the bottom plate is provided with a sound box, the outer side of the sound box is movably...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FU QIUZHEN, NI HAO
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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