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1992年7月1日

1分钟阅读

分段专利

美国重新考虑DNA片段专利

作者：蒂姆·比尔兹利

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More by Tim Beardsley

This article was originally published with the title “Piecemeal Patents” in 大众科学 Magazine Vol. 267 No. 1 (July 1992), p. 106
doi:10.1038/scientificamerican0792-106

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