88688484
Nov 12, 2019
Nov 10, 2020
DONGGUAN MAIER DIGITAL TECHNOLOGY CO. LTD
Active Trademark
Acoustic conduits; Acoustic membranes; Audio- and video-receivers; Cabinets for loudspeakers; Headphones; Horns for loudspeakers; Loudspeakers; Megaphones; Microphones; Sound transmitting apparatus
Electrical and Scientific Apparatus