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GB130830A
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Improved Method and Apparatus for Treating Sludge.
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GB127353A
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A Process and Apparatus for the Complete Treatment of Sewage or Contaminated Liquid.
|
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GB127419A
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Improved Apparatus for Treating Sewage by Decantation and Settling.
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GB114641A
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Improvements in or relating to Concrete or Cement Substances and the Composition thereof.
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GB101314A
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Improved Method of and Apparatus for Softening Water.
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GB104710A
|
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Improvements in Liquid Purifying Apparatus.
|
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GB191508126A
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Improvements relating to the Purification and Clarification of Water and Sewage.
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GB191507205A
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Improvements relating to the Sterilisation of Liquids and especially of Water Supplies.
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GB191406855A
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Improvements in the Sterilisation, Filtration and similar Treatment of Liquids.
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GB191406273A
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Means for Sterilisation, Filtration and similar Treatment of Liquids.
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CA172028A
|
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Liquid purification
|
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GB191405512A
|
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Means for Sterilisation, Filtration and similar Treatment of Liquids.
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|
CA155500A
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Sewage purifying process
|
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GB191401266A
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An Improved Process of and Apparatus for Purifying Sewage or any other Liquid.
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CA154154A
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Oxidizing process
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CA145611A
|
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Water purifying process
|
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US1094731A
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Oxidizing process.
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US1024451A
|
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Apparatus for the mechanical treatment of impure water and other liquids.
|
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GB191120556A
|
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Improvements in and relating to Processes for the Chemical Treatment of Liquids, especially Water.
|
|
GB191109258A
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Improvements in and relating to Apparatus for the Mechanical Treatment of Liquids, especially Water.
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