国精品无码人妻一区二区三区,久久99精品久久久久久噜噜,国产乱子伦精品免费无码专区,国产精品亚洲欧美大片在线观看

Zhao Qingduo joined Unitalen in 2009.She has been providing patent agency service for a large number of patent applications from well-known domestic and foreign companies. She is good at patent applications, review opinions, review, invalid and infringement analysis in the fields of organic synthesis, electrochemistry, chemical processes, metals and polymer materials, synthetic and natural medicine, food, bio-chemical industries, etc.. The professional level has been recognized by many clients.Zhao Qingduo joined Unitalen in 2009.She has been providing patent agency service for a large number of patent applications from well-known domestic and foreign companies. She is good at patent applications, review opinions, review, invalid and infringement analysis in the fields of organic synthesis, electrochemistry, chemical processes, metals and polymer materials, synthetic and natural medicine, food, bio-chemical industries, etc.. The professional level has been recognized by many clients.

Zhaoqingduo has rich experience in enterprise patent training, and has trained a large number of clients in patent analysis, patent mining, and technical writing.