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NL1028165C2
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Wall lead through pipe for central heating boiler, comprises main tube with end tube for discharging fumes in non horizontal direction
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GB0310420D0
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Ridge-tile having an integrated flue gas discharge and combustion air supply
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NL1018980C2
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Assembly for sealing openings in an outer tube part and an inner tube part and an inner cover for such an assembly.
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NL1017675C2
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Coupling system is for connection of pipe system to heating boiler comprising flue gas output pipe and air input pipe
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NL1017653C2
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Flue gas discharge system with coupling device.
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EP1252461A1
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Pipe system
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NL1016246C2
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Tubing system for passing flue gases.
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NL1014235C2
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Flue gas discharge system.
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NL1013646C2
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Protective cage for a wall duct system.
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NL1012369C2
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Shielding device.
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NL1006246C2
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Assembly of a lid and a gasket for sealing an opening, as well as a lid and gasket intended for use in such an assembly.
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