By the end of 1993,175,000 patents had been approved,including more than 20,000 invention patents,more than 130,000 utility model patents and over 20,000 exterior design patents.

 
  • 截止1993年底,已累计批准17.;5万件专利。其中,发明专利2万多件,实用新型专利13万多件,外观设计专利2万多件。
今日热词
目录 附录 查词历史