Type of Patent:Invent
State of Patent:Authorized patents
Service Invention or Not:no
寇旗旗
Click:
The Last Update Time:..
Patents
一种平面线圈驱动式薄膜型扬声器
Release time:2021-01-23 Hits:
Address:No1,Daxue Road,Xuzhou,Jiangsu,221116,P.R.China Email: master@cumt.edu.cn
All Rights Reserved by China University of Mining and Technology