The democratization of invention : patents and copyrights in American economic development, 1790-1920
著者
書誌事項
The democratization of invention : patents and copyrights in American economic development, 1790-1920
（NBER series on long-term factors in economic development / editors, Robert W. Fogel and Clayne L. Pope）
Cambridge University Press, 2009
- : pbk
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注記
Originally published 2005. "First paperback edition 2009"--T.p. verso
Includes bibliographical references and index