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2004-09-22
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2004-05-12
Water purification system
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2000-10-25
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GB0016368D0
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2000-08-23
Membrane systems
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Water purifier
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Water desalination by reverse osmosis
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GB0009419D0
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2000-06-07
Pressure desalination
TW450121U
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2001-08-11
Voice alarm system for reverse osmosis water purifier
TW450122U
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2001-08-11
Water producing device by reverse osmosis powered by tidal difference
GB0013460D0
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2000-07-26
Water desalination
AU2002244677A1
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2002-08-28
Device for desalting water by reverse osmosis
IL135264A0
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2001-05-20
Centrifugal reverse osmosis desalination unit
EP1358407A4
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High pressure water pump