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CH18718A
(en)
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Filter press
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DK2637C
(en)
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Filtering device.
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DK1730C
(en)
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Devices for filter presses.
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GB189916614A
(en)
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Improvements in Presses for Expressing or Filtering Liquids from Solids.
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CH19475A
(en)
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Filter material
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GB189904340A
(en)
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Improvements in Filters.
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GB189925291A
(en)
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Improvements in Filters.
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CH45644A
(en)
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Paper roll bearing axis
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ES22213A3
(en)
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A process for making paper and cloth from emery cloth, glass, and other substances of similar or harder hardness.
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CH22090A
(en)
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Filter press
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ES24935A2
(en)
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Improvements in a new system filter or filtering device.
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CH19704A
(en)
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New filter system
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GB189925320A
(en)
|
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Improvements in Stench Traps.
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ES23623A1
(en)
|
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Improvements in filtering devices.
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DK972C
(en)
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Process for the production of paper and paperboard of pulp, treated with cellulose solution.
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CH13878A
(en)
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Filter for pod-free and germ-free mashing
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DK3225C
(en)
|
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Machine for fine grinding of pulp and the like.
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FI1190A
(en)
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For example, the filter material is filtered
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CA64277A
(en)
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|
Filter
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CA64278A
(en)
|
|
Filter
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CA69889A
(en)
|
|
Filter
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CA64269A
(en)
|
|
Filter
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CA70212A
(en)
|
|
Filter
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CA70658A
(en)
|
|
Filter
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CA64276A
(en)
|
|
Filter
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