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US3097631A
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Combustion gas flow control in boiler flues
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CA725416A
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Furnaces
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CA679654A
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Combustion gas flow control in boiler flues
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CA807939A
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Multiple section grates
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CA501785A
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Combustion air supply through grates and grate construction
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CA825438A
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Slag removal device for furnaces
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CA501784A
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Mechanical stoker and grate elements therefor
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CA758376A
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Apparatus for feeding fuel to a furnace
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CA595474A
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Devices for comminuting strands of fuel
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CA826911A
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Grate for large furnaces
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CA654097A
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Mechanically actuated grate bars for use in large furnace installations
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CA629933A
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Feeding device for large scale furnaces
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CA855982A
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Grates
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CA592918A
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Air control arrangement for furnaces
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