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SE8602812D0
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IC engine arrangement
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DK98786D0
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Method and device for reducing heat exhaust from a chemical
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FI860892A0
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Foerfarande och anordning foer att minska utstroemning av vaerme fraon en skorsten.
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ES8701357A1
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A chamber or passage turbulence generating device for hot combustion or treatment gases.
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DE3003039A1
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Burner-fired central heating boiler - has ball valve in uptake lifted by gas pressure onto less than ball dia. wide ledge
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FI790429A
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Foer roekgasavloppet vid en vaermepanna avsedd avstaengningsventil
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DE2807166A1
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Steam or hot water boiler - has annular drum traversed by two concentric sets of fire tubes in series
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DE2807167A1
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Combustion air supply for boiler - has casing contiguous with gas flow reversing chamber and bottom plate to guide air into burner
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DK501477A
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Steam or hot water boiler
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DE2749089A1
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OVEN
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