A flash burning method, host computer and burning system patent certificate
A kind of electronic cigarette circuit with electrolysis function patent certificate
Intelligent gas cooker control device patent certificate
Keystroke Detection Circuit Patent Certificate
An adjustable infrared device for sensing distance
Patent certificate of an automatic tester for electronic cigarettes
Patent Certificate of a Multi-Contact Temperature Measuring Device for Electronic Cigarettes
A wireless power supply method of electronic cigarette patent certificate
A thermocouple thermometer patent certificate