87610933
Sep 15, 2017
Feb 26, 2019
BEIJING TWIRLINGVR TECHNOLOGY CO. LTD
Active Trademark
Apparatus for recording, transmission or reproduction of sound and images; Audio- and video-receivers; Digital sound processors; Headphones; Loudspeakers; Recording and playing devices for sound and image carriers; Sound recording apparatus; Sound reproduction apparatus; Sound transmitting apparatus
Electrical and Scientific Apparatus