实物征用
Patent is a kind of document issued by government according to requisition, which endows the originator or the alienee with the monopolization or exclusive right of the invention in a certain fixed number of years.
专利是政府机关根据申请所颁发的一种文件,该文件赋予了发明人或其权利受让人对其发明成果在一定年限内享有独占权或专用权。
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