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Books by Delmar Ernest and Clarence Alfred Gartz. Carney

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ORIGINAL PATENT APPLICATION NUMBER 1,067,240 FOR METHOD AND APPARATUS FOR FEEDING GLASS MAKING MATERIALS TO A GLASS MELTING TANK FURNACE. (OHIO, U.S.A.).
ORIGINAL PATENT APPLICATION NUMBER 1,067,240 FOR METHOD AND…
By: Delmar Ernest and Clarence Alfred Gartz. Carney
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