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200 1 $a<<The>> economics of patents$fedited by John Cantwell
210   $aCheltenham [etc.]$cElgar Reference Collectio$dcopyr. 2006
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225 2 $a<<The>> international library of critical writingsin economics$v197
410  0$12001$a<<The>> international library of critical writingsin economics$v197
463 \1$1001990002855180203316$12001 $a<<Vol.1.>> : <<The>> patent system and the measurement of invention
463 \1$1001990002855190203316$12001 $a<<Vol.2.>> : Corporate patenting
606 0 $aDiritti d'autore$xAnalisi economica
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996   $aEconomics of patents$9991811
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