久久久噜噜噜白丝国产精品_色综合欧美亚洲国产|HD中文字幕在线播放,assbigsexpics裸体女,国产一区二区三区高清视频,女色综合

           技術(shù)創(chuàng)新提取.jpg

Accumulated more than 310 to apply for a patent

As of Jan.2024, the company has independently researched and developed 310 authorized and exclusively licensed patents, including 192 authorized and exclusively licensed invention patents, 119 authorized and exclusive licensed for utility models and other patents, with invention patents accounted for about 62%.


專利英文.png

               
wwimg105.png

Editor-In-Chief/Senate National/Industrial Standard