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FR2115560A5
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Gas fired cupola furnace - with separate gas chamber
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FR2102923A5
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Cas-fired cupola furnace - in which chamber partition supports the charge shaft
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FR2102609A5
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Cupola furnace - having cushioned lining for protection against impact of charge
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FR2070530A5
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Gas-fired cupola
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FR2064638A5
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Charge for gas heated cupola furnaces
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FR2056036A5
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Gas-fired cupola furnace for melting cast - iron
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FR2049438A5
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Obtaining metals from blast furnaces
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FR2046031A5
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Metal melting in gas fired cupola
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FR2036505A5
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Gas fried cupola with auxiliary arc heater
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FR2036504A5
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Gas fired cupola oven
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FR2033521A5
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Gas fired, two-part cupola furnace
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FR2033522A5
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Gas fired cupola furnace
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