/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: virgilius7 https://public.slidesharecdn.com/v2/images/profile-picture.png I am an inventor / entrepreneur since childhood. Author of numerous technical articles in nationwide magazines, several inventions in electronics, numerous awarded innovations with applications from industrial field to medical and safety. More to be added...