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GB175281A
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Improvements in filter bag cleaning devices for air filters
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GB156181A
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An improved suspension device for filtering tubes
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GB156182A
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Improvements in means for fastening the lower ends of filter tubes to the floors of filter apparatus
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GB191211629A
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A Method of Preventing the Condensation or Precipitation of Moisture in Dust-collectors.
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GB191208752A
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Improvements in Apparatus for Filtering Air or Gases.
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GB191207550A
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Improvements in Filters for Purifying Dusty Air or Gases.
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GB191201215A
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Improvements in Filtering Apparatus for Purifying Air and Gases.
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GB191120823A
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An Improved Apparatus for Cleaning Filters for Dust Charged Air and the like.
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