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CA188435A
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Furnace mechanism
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US1157965A
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Air-superheating device for furnaces.
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AU1410014B
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Improvements in or relating to air superheating devices for furnaces orthe like
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AU1409914B
|
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Improvements in or relating to air superheating devices for furnaces orthe like
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CA166261A
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Furnace mechanism
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AU1371714B
|
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Method of superheating air and apparatus for carrying out the same
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AU1371814B
|
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Air superheating devices fop. furnaces
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US1157964A
|
|
Air-superheating device for furnaces.
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US1173047A
|
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Device for improving fuel combustion in stoves.
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