• Bramwell, Francis Herbert - Humphreys & Glasgow

    1899-1938, Bundesarchiv, BArch R 131 Reichspatentamt

    ...F.79576 "Kokserzeugung" Forwood, George Frederick, Limpsfield/Surrey: Az. F.73015 "Kohlenwasserstoff" Frewen, Edmond Joseph, London: Az....

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