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1996-10-10
Device for the separation and recovery of gases
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2002-06-27
ARTHROPLASTIC DEVICE AS REPLACEMENT OF DISC
FR2659030B1
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1993-01-08
ENCLOSURE AND ABSORPTION INSTALLATION FOR SEPARATION OF GASEOUS MIXTURES.
IT1181194B
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1987-09-23
PROCEDURE FOR BIOLOGICALLY ACTIVATING THE PURIFICATION OF WASTEWATER CONTAINING NITROGENED MATERIALS, AND DEVICE FOR CARRYING OUT SUCH PROCEDURE
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1994-02-17
Process for the removal of iodine and iodine compounds from hydrogenous gases and vapors.
DE69318111D1
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1998-05-28
Process for the removal of mercury and possible arsenic from hydrocarbons
DE69325891D1
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1999-09-09
EXTRACTION OF MERCURY AND MERCURY COMPOUNDS FROM CONTAMINATED MATERIAL AND SOLUTIONS
DE69325347D1
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1999-07-22
Device for the compensation of the mail flow
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1989-02-10
DEVICE FOR THE AVOIDANCE OF PARTICULATE IN COMBUSTION GASES
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1996-06-27
Device for the recovery of fuel vapors
IT8982509A0
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1989-02-14
DEVICE FOR PURIFICATION OF FUMES OR VAPORIFORM OR GASEOUS SUBSTANCES CONTAINING PARTICLES OF IMPURITIES.
GB2234451B
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1993-07-07
Process for the fine purification of gases
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1993-11-18
Plant for the separation of liquid or gaseous mixtures
DE69310299D1
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1997-06-05
Liquid gas contact apparatus of the falling film type
FR2689493B1
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1995-05-12
Process and device for the biological purification of effluents from wine cellars.
DE59005197D1
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1994-05-05
Process for purifying exhaust gas containing alkylene oxide and devices for carrying out the process.
IT8823106A0
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1988-12-23
PROCEDURE FOR THE INERTISATION OF TOXIC WASTE
DE69314086D1
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1997-10-30
Process for the purification of 4,4'-diaminodiphenylmethane
KR950010993U
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1995-05-15
Alarm device for filter replacement of air purifier
ITMI910610V0
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1991-07-03
MOBILE PURIFIER FOR SUCTION AND PURIFICATION OF TOXIC VAPORS
LTIP560A
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1994-12-27
Apparatus for purification of biological fluid from toxical material and virus
GR3017993T3
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1996-02-29
Device for the treatment of waste gases containing gaseous pollutants.
ZA917598B
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1992-06-24
The recovery of platinum group metals and gold from sources containing same
FR2619728B1
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1991-05-24
AIR FILTERING DEVICE HAVING SOLID SUSPENSION PARTICLES
IT8720902A0
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1987-06-15
PROCEDURE AND APPARATUS FOR THE PURIFICATION OF INDUSTRIAL SMOKE.