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Category:Biotechnology companies disestablished in the 20th century
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Biotechnology companies by century of establishment
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592:Biotechnology companies established in 2000
579:Biotechnology companies established in 1999
566:Biotechnology companies established in 1998
553:Biotechnology companies established in 1997
540:Biotechnology companies established in 1996
527:Biotechnology companies established in 1995
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319:Biotechnology companies established in 1979
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254:Biotechnology companies established in 1971
241:Biotechnology companies established in 1966
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215:Biotechnology companies established in 1953
202:Biotechnology companies established in 1945
189:Biotechnology companies established in 1941
176:Biotechnology companies established in 1933
163:Biotechnology companies established in 1931
150:Biotechnology companies established in 1925
137:Biotechnology companies established in 1916
647:Companies established in the 20th century
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