一种多功能MP3

Release time:2020-10-30 Hits:

Disigner of the Invention:zhongXia

Type of Patent:国际

State of Patent:专利授权

Application Number:201120476633.1

Number of Inventors:2

Service Invention or Not:no

Application Date:2011-11-11

Authorization Date:2012-07-04

First Author:王曼曼