首页>
外国专利>
automatic apparatus for dental hygiene (or 'primary prevention' of cavities and i have pyorrhoea), complete with toilet shower personalized crawl space; using the technology, coordinates,ultrasound, optical fibres and a toothpaste liquid; in response, proper scientific discoveries of the
automatic apparatus for dental hygiene (or 'primary prevention' of cavities and i have pyorrhoea), complete with toilet shower personalized crawl space; using the technology, coordinates,ultrasound, optical fibres and a toothpaste liquid; in response, proper scientific discoveries of the