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Utility model patent certificate
PTC thermistors and varistors synthesis of two-terminal element and the start-up circuit

Utility model patent certificate
PTC thermistors and varistors synthesis of three-terminal device and electronic equipment

Got a utility model patent certificate about series motors
January 2, 2013, the State Intellectual Property Office issued to the Division I series motors utility model pate

- The application of small transformer
- Power supply with a transformer failure is mainly due to an ... Detail→
- Audio system protection applications
- Speaker system protection requirements more stringent Ordinary... Detail→
- Chemical battery applications
- Chemical battery applications more widely, the application of t... Detail→
- Application of the ballast
- Ceramic PTC protection ballast circuit blocked, the use of new... Detail→
- Security equipment ove
- Security systems in the domestic standard is defined as SPS, ... Detail→