GIúp voi Có Bác nào biét trang web thong tin ve các sang s tạo dc dang ki ban quyen cua MĨ không? pkt
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2Fsearch-bool.html&r=0&f=S&l=50&TERM1=rose&FIELD1=&co1=AND&TERM2=&FIELD2=&d=ptxt EBDBDBD - "That's all, folks"
