SHENZHEN LANGUANG ELECTRONIC INDUSTRIAL CORPORATION

Follow

Organization

SHENZHEN, PR, CN

Organizations

Please log in for detailed analytics

Patents Applicationslast 30 patents

Information Patent Application
Process of implementing low frequency of audio signal
- Publication number 20070140511
- Publication date Jun 21, 2007
- Shenzhen LANGUANG Electronic Industrial Corporation
- Yan Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE