TY  - GEN
AU  - Wu,Connie
AU  - Liu,Yanhuai
TI  - Use of the IPC and various retrieval systems to research patent activities of US organizations an the Poeple's Republc of China
KW  - USA
KW  - China
KW  - Patentanmeldung
KW  - Patenterteilung
KW  - Patentwesen
KW  - Technologie
KW  - Technologietransfer
ER  -