Charles Janet

Charles Janet (; 15 June 1849 – 7 February 1932) was a French engineer, company director, inventor and biologist. He is also known for his innovative ''left-step'' presentation of the periodic table of chemical elements. Provided by Wikipedia
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by Janet, Charles.
Published 1836
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by Janet, Charles (1849-1932).
Published 1883
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by Janet, Charles
Published 1883
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by Janet, Charles 1849-1932
Published 1883
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by Janet, Charles (1849-1932).
Published 1891
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by Janet, Charles 1849-1932
Published 1891
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by Janet, Charles
Published 1893
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by Janet, Charles (1849-1932).
Published 1893
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by Janet, Charles
Published 1893
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by Janet, Charles
Published 1893
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by Janet, Charles
Published 1893
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by Janet, Charles
Published 1893
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by Janet, Charles 1849-1932
Published 1893
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by Janet, Charles 1849-1932
Published 1893
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