PATEN4D : Dinas Kesehatan Provinsi Kalimantan Barat Resmi

paten4d@Paten4D. Share . Download & Share QR Code. Share on Social. Share on . Share via Telegram. Share on . Share on LinkedIn.Introduction to Patents. A patent is a rht that is granted for an invention in the form of a new product, process or technical improvement to existing technology.