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Official Gazette of the United States Patent Office: Supplement, Containing the Revised Classification of Subjects of Invention, Alphabetically Arranged; January 1, 1889. E-book. Formato PDF
United States Patent Office
edizioni Forgotten Books collana , 2017
Gas. Oil ako water. Processes of and apparatus for manu facture of heating and illuminating gas by decomposing steam, vaporizing hydrocarbon oil and mixing the two to form a tired gas; with the necessary appliances for operat ing the apparatus.