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Hose construction
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Wall-installed vacuum cleaner
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Vacuum cleaner on-and-off switching devices
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Filter replacement mechanism for vacuum cleaners
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Air intake mechanism for air filter machines
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Filter unit for vacuum cleaners
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Vacuum cleaner mechanism responsive to thermal effects of filter bag filling
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Filter replacement construction for vacuum cleaners
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Roller mounted vacuum cleaner for propulsion by flexible hose
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Vacuum cleaner with dirt-bag feed and ejection
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Filter unit for vacuum cleaners
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Air filtering machines particularly for use as vacuum cleaners
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Wall-installed vacuum cleaner
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