Biblioteca del Instituto de Estudios Fiscales

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How valuable is patent protection? estimates by technology field using patent renewal data

By: Schankerman, Mark.
Material type: TextTextSeries: NBER. Working paper ; 3780.Publisher: Cambridge (Mss.) NBER 1991Description: 38 p.; gráf. gráf.; 23 cm.Subject(s): PATENTES | FRANCIA
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C 1180-20780 (Browse shelf) Available C 1180-20780

Resumen. -- Conclusiones. -- Bibliografía

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