TY  - GEN
AU  - Oppenheim, Charles,
ID  - 5722
KW  - Patents.
KW  - Intellectual property.
KW  - PATENTS : DOCUMENTATION, PLANNING, MECHANIZATION
KW  - WIRTSCHAFTSPATENTE
KW  - WEITERBENUTZUNGSRECHTE
T1  - The information function of patents /
TI  - The information function of patents /
VL  - 1979 Vol 1 Dec pages 344-349
ER  -