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Henry Leffmann

Henry Leffmann

Henry Leffmann (September 9, 1847 – December 25, 1930) was an American chemist, physician and writer. Provided by Wikipedia

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Allen's commercial organic analysis : a treatise on the properties, modes of assaying, and proximate analytical examination of the various organic chemicals and products employed i...

by Allen, Alfred Henry, 1847-1904
Year of Publication 1909

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