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Industrial instruments and changing technology . Industrial research and changing technology . Fuel efficiency in cement manufacture, 1909-1935 . Effects of current and prospective technological developments upon capital formation

Industrial instruments and changing technology . Industrial research and changing technology . Fuel efficiency in cement manufacture, 1909-1935 . Effects of current and prospective technological developments upon capital formation
Paper図書
. . .Work Projects Administration, National Research Project[1940]
Other Libraries in Japan
  • Subject Heading...ts -- Research Cement and concrete -- Trade and statistics -- United States Fuel -- Trade and statistics ...
  • Subject Heading (ID)...ts -- Research Cement and concrete -- Trade and statistics -- United States Fuel -- Trade and statistics ...

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