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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"economics patents. railroads"" "subject:"economics patents. railroad’s""

1

An economic theory of technological change; the case of patents and the United States railroads, 1871-1950.

Dick, Trevor John Orme, January 1970 (has links)
Thesis (Ph. D.)--University of Washington. / Bibliography: l. [140]-145.
Economics Patents. Railroads

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