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Air preheater

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Air preheater for boiler furnaces

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Air preheating means for steam boilers

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Air supply heater

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Air supply means for a furnace

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Air vent head, especially for ship's tanks

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Airflow control mechanism insertable into an air duct

F - Mech Eng,Light,Heat,Weapons – 23 – L
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An adjustable chimney cover

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Anti-pollution chimney system

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Antibiotic against plant pathogens

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus and method for the combustion of water-in- oil...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for controlling flow of combustion products

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for controlling the introduction of secondary air...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for generating heat through burning of solid fuel...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for regulating air flow through an air port of a...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for regulating air flow through an air port of a...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for regulating and cleaning an air passage in the...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for smokeless combustion

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus for using exhaust steam for smoke suppression in...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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Apparatus to reduce winter air infiltration into a single...

F - Mech Eng,Light,Heat,Weapons – 23 – L
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