III · Science
Kagaku gijutsu no shinten ga sekai no keizai shakai no seichō hatten ni ataeru kōka ni kansuru chōsa kenkyū
Subjects
Social aspects · Science · Technological innovations · Economic aspects
Language
ENG
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![Cover of [William Wheeler Hubbell, authorized to apply for patents.] by United States. Congress. Senate. Committee on Patents](/img/cover/10200621-M.jpg)
