88163322
Oct 22, 2018
May 28, 2019
TIANJIN TANZE YIJIA EDUCATION TECHNOLOGYCO. LTD
Active Trademark
Acoustic couplers; Audio-receivers and video-receivers; Earphones; Headphones; Megaphones; Microphones; Portable media players; Smartphone mounts; Sound cards; Sound recording apparatus; Sound reproduction apparatus; Sound transmitting apparatus; Speaking tubes
Electrical and Scientific Apparatus