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US2336339A
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Water tube wall of steam generator furnaces
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US2290014A
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Refractory lining of furnaces having tubular walls
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US1875213A
|
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Furnace grate
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US1870164A
|
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Turbulent burner
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US1888110A
|
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Furnace grate
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US1890211A
|
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Furnace grate
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US1890210A
|
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Furnace grate
|
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US1707893A
|
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Furnace
|
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US1741808A
|
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Mechanically-actuated grate furnace
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US1713322A
|
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Chain grate for furnaces
|
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US1751188A
|
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Furnace construction
|
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US1580776A
|
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Water-heating and steam-generating boiler
|
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US1598113A
|
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Water-heating and steam-generating boiler
|
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US1585528A
|
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Water-heating and steam-generating boiler
|
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US1807502A
|
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Chain grate
|
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US1660217A
|
|
Chain-grate stoker
|
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US1588568A
|
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Power-producing system
|
|
US1577416A
|
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Compressed-air furnace
|
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US1574276A
|
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Furnace grate
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US1363708A
|
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Internal-combustion engine
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