TY  - BOOK
AU  - DRISHTI INSTITUTE OF DISTANCE LEARNING/PURANIK, S B
ED  - PURANIK, S B
TI  - USA and European patent system
U1  - 346.048 673 PUR 
PY  - 2012///
CY  - Bangalore
PB  - Drishti institute of distance learning
KW  - Patents (346.048 6)
N1  - European ; patent ; system ; USA
ER  -