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2000-08-23
Method of selecting an object
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2000-10-27
Method for handing waste oil.
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2000-01-12
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Method for hydrogenation of polymer
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2002-07-04
Sludge inerting method
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2005-11-16
Method for incineration disposal of waste
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2004-10-13
Method of comparing parts
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2002-03-13
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Process for treating waste oil
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Device and method for separating oil and water
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2005-09-07
Method for secondary oil recovery
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2001-02-07
Process for deacidfying crude oil
EG22803A
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2003-08-31
Method for waste water purifiaction
HU0001315D0
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2000-06-28
Method for degradation of oil waste
GB0020910D0
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2000-10-11
Reduction method
GB0009503D0
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2000-06-07
Screening method for compounds
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2002-03-04
Method for treating metal contaminated water
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2002-05-15
Method of refining waste oil
GB0029915D0
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2001-01-24
Method of conrtolling oil pollution
PL342127A1
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2001-02-12
Method of dewatering post-flotation wastes
HUP0002609A2
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2002-05-29
Purification method for waste wather
HU0001573D0
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2000-06-28
Method for removing fatty or oil from waste matter
AU2001290408A1
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2002-03-22
Method for treating tall oil