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C.J. Wilhelm

C.J. Wilhelm
Person

Page Sections
Documents

An researcher for the U.S. Bureau of Mines.

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Documents

Date	Document Name & Details	Documents
September 1929 publication date	Twentieth Semi-Annual Motor Gasoline Survey E.C. Lane, S.S. Taylor, and C.J. Wilhelm for the U.S. Bureau of Mines	PDF - 4.1MB - 15 pages

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