ITTO950827A0 - Dispositivo di depurazione dei gas di scarico di un motore a combu- stione interna - Google Patents

Dispositivo di depurazione dei gas di scarico di un motore a combu- stione interna

Info

Publication number
ITTO950827A0
ITTO950827A0 ITTO950827A ITTO950827A ITTO950827A0 IT TO950827 A0 ITTO950827 A0 IT TO950827A0 IT TO950827 A ITTO950827 A IT TO950827A IT TO950827 A ITTO950827 A IT TO950827A IT TO950827 A0 ITTO950827 A0 IT TO950827A0
Authority
IT
Italy
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas purification
purification device
Prior art date
Application number
ITTO950827A
Other languages
English (en)
Inventor
Nevio Coral
Luciano Coral
Original Assignee
Coral Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coral Spa filed Critical Coral Spa
Publication of ITTO950827A0 publication Critical patent/ITTO950827A0/it
Priority to IT95TO000827A priority Critical patent/IT1280969B1/it
Priority to PCT/IT1996/000190 priority patent/WO1997013963A1/en
Priority to DE69603194T priority patent/DE69603194T2/de
Priority to CN96197598A priority patent/CN1199443A/zh
Priority to PL96326165A priority patent/PL326165A1/xx
Priority to AU73320/96A priority patent/AU711204B2/en
Priority to KR1019980702716A priority patent/KR19990064229A/ko
Priority to ES96935328T priority patent/ES2135928T3/es
Priority to JP9514895A priority patent/JPH11514420A/ja
Priority to CA002234586A priority patent/CA2234586A1/en
Priority to EP96935328A priority patent/EP0854971B1/en
Priority to BR9611041A priority patent/BR9611041A/pt
Priority to AT96935328T priority patent/ATE181986T1/de
Priority to TR1998/00662T priority patent/TR199800662T1/xx
Priority to US09/051,448 priority patent/US6058698A/en
Publication of ITTO950827A1 publication Critical patent/ITTO950827A1/it
Application granted granted Critical
Publication of IT1280969B1 publication Critical patent/IT1280969B1/it
Priority to MX9802844A priority patent/MX9802844A/es
Priority to GR990402531T priority patent/GR3031442T3/el

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/10—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/08—Granular material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
    • F01N2370/24—Zeolitic material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/10—Tubes having non-circular cross section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • F01N2490/06—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet in opposite directions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas After Treatment (AREA)
IT95TO000827A 1995-10-13 1995-10-13 Dispositivo di depurazione dei gas di scarico di un motore a combustione interna IT1280969B1 (it)

Priority Applications (17)

Application Number Priority Date Filing Date Title
IT95TO000827A IT1280969B1 (it) 1995-10-13 1995-10-13 Dispositivo di depurazione dei gas di scarico di un motore a combustione interna
JP9514895A JPH11514420A (ja) 1995-10-13 1996-10-11 内燃機関の排気ガスを浄化するための装置
EP96935328A EP0854971B1 (en) 1995-10-13 1996-10-11 Device for purifying the exhaust gas of an internal combustion engine
CN96197598A CN1199443A (zh) 1995-10-13 1996-10-11 净化内燃机废气的装置
PL96326165A PL326165A1 (en) 1995-10-13 1996-10-11 Apparatus for purifying internal combustion engine exhaust gas
AU73320/96A AU711204B2 (en) 1995-10-13 1996-10-11 Device for purifying the exhaust gas of an internal combustion engine
KR1019980702716A KR19990064229A (ko) 1995-10-13 1996-10-11 내부 연소엔진의 배기가스 정화장치
ES96935328T ES2135928T3 (es) 1995-10-13 1996-10-11 Dispositivo para purificar los gases de escape de un motor de combustion interna
PCT/IT1996/000190 WO1997013963A1 (en) 1995-10-13 1996-10-11 Device for purifying the exhaust gas of an internal combustion engine
CA002234586A CA2234586A1 (en) 1995-10-13 1996-10-11 Device for purifying the exhaust gas of an internal combustion engine
DE69603194T DE69603194T2 (de) 1995-10-13 1996-10-11 Vorrichtung zur reinigung von abgasen einer brennkraftmaschine
BR9611041A BR9611041A (pt) 1995-10-13 1996-10-11 Dispositivo para purificar o gás de exaustão de um motor de combustão interna
AT96935328T ATE181986T1 (de) 1995-10-13 1996-10-11 Vorrichtung zur reinigung von abgasen einer brennkraftmaschine
TR1998/00662T TR199800662T1 (xx) 1995-10-13 1996-10-11 ��ten yanmal� motorun egzos gaz�n�n temizlenmesi i�in ayg�t.
US09/051,448 US6058698A (en) 1995-10-13 1996-10-11 Device for purifying the exhaust gas of an internal combustion engine
MX9802844A MX9802844A (es) 1995-10-13 1998-04-13 Dispositivo para purificar la salida de gases de un motor de combustion interna.
GR990402531T GR3031442T3 (en) 1995-10-13 1999-10-07 Device for purifying the exhaust gas of an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95TO000827A IT1280969B1 (it) 1995-10-13 1995-10-13 Dispositivo di depurazione dei gas di scarico di un motore a combustione interna

Publications (3)

Publication Number Publication Date
ITTO950827A0 true ITTO950827A0 (it) 1995-10-13
ITTO950827A1 ITTO950827A1 (it) 1997-04-13
IT1280969B1 IT1280969B1 (it) 1998-02-11

Family

ID=11413883

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95TO000827A IT1280969B1 (it) 1995-10-13 1995-10-13 Dispositivo di depurazione dei gas di scarico di un motore a combustione interna

Country Status (17)

Country Link
US (1) US6058698A (it)
EP (1) EP0854971B1 (it)
JP (1) JPH11514420A (it)
KR (1) KR19990064229A (it)
CN (1) CN1199443A (it)
AT (1) ATE181986T1 (it)
AU (1) AU711204B2 (it)
BR (1) BR9611041A (it)
CA (1) CA2234586A1 (it)
DE (1) DE69603194T2 (it)
ES (1) ES2135928T3 (it)
GR (1) GR3031442T3 (it)
IT (1) IT1280969B1 (it)
MX (1) MX9802844A (it)
PL (1) PL326165A1 (it)
TR (1) TR199800662T1 (it)
WO (1) WO1997013963A1 (it)

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SE519922C2 (sv) * 1998-12-07 2003-04-29 Stt Emtec Ab Anordning och förfarande för avgasrening samt användning av anordningen
US6598388B2 (en) * 2001-02-01 2003-07-29 Cummins, Inc. Engine exhaust gas recirculation particle trap
US6840034B2 (en) 2002-04-19 2005-01-11 Envirolift, Llc Emission control apparatus for marine generator engine
US6604356B1 (en) * 2002-04-19 2003-08-12 Envirolift, Llc Emission control system for generator engine
US7021297B1 (en) * 2002-08-05 2006-04-04 Slingo Fred M Apparatuses, devices, systems and methods employing far infrared radiation and negative ions
FR2858354B1 (fr) * 2003-07-30 2006-01-13 Peugeot Citroen Automobiles Sa Procede de traitement des hydrocarbures imbrules issus d'un moteur a allumage commande fonctionnant au gaz naturel, notamment pour vehicule automobile et dispositif d'application de ce procede
US6886582B2 (en) * 2003-10-06 2005-05-03 Young Ill Choi Spare fuel tank in a fuel tank of a vehicle
JP4340137B2 (ja) * 2003-12-12 2009-10-07 日野自動車株式会社 排気浄化装置
US20050171584A1 (en) * 2004-02-02 2005-08-04 Slingo Fred M. Heating devices and apparatuses employing far infrared radiation and negative ions
US7377101B2 (en) * 2004-02-13 2008-05-27 Fleetguard, Inc. Plasma fuel converter NOx adsorber system for exhaust aftertreatment
US6918755B1 (en) 2004-07-20 2005-07-19 Arvin Technologies, Inc. Fuel-fired burner with skewed electrode arrangement
US7866145B1 (en) 2007-05-03 2011-01-11 Lercher Douglas E Particulate emission reducing device
DE102007062663A1 (de) * 2007-12-24 2009-06-25 J. Eberspächer GmbH & Co. KG Schiebesitz sowie Rohranordnung und Abgasbehandlungseinrichtung
US8082730B2 (en) * 2008-05-20 2011-12-27 Caterpillar Inc. Engine system having particulate reduction device and method
US8564924B1 (en) 2008-10-14 2013-10-22 Global Plasma Solutions, Llc Systems and methods of air treatment using bipolar ionization
DE102008062479A1 (de) * 2008-12-16 2010-06-17 Emcon Technologies Germany (Augsburg) Gmbh Abgasanlage einer Verbrennungskraftmaschine
DE102009039536B4 (de) * 2009-09-01 2020-06-04 Johnson Matthey Catalysts (Germany) Gmbh Verbrennungsanlage sowie Verfahren zur Reinigung einer in einem Abgaskanal einer Verbrennungsanlage installierten Katalysatoreinrichtung
CN102840009A (zh) * 2012-09-08 2012-12-26 涂强 一种汽车尾气可吸入颗粒物的沉降装置
CN103174495A (zh) * 2013-04-18 2013-06-26 江声 一种雾化汽车尾气净化装置
CN103775170A (zh) * 2014-02-14 2014-05-07 尹协谦 一种车载尾气负离子净化器
JP6264169B2 (ja) * 2014-04-15 2018-01-24 トヨタ自動車株式会社 オイル除去装置
CN103939182A (zh) * 2014-04-23 2014-07-23 孟宗科 负离子气体净化机动车尾气、防矿道瓦斯爆炸方法及装置
DE112016005182T5 (de) * 2015-11-12 2018-08-16 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Methanoxidationskatalysator und Verfahren zu dessen Verwendung
US10190467B1 (en) * 2017-09-14 2019-01-29 Laurence D Eddy Exhaust turbosonic generator for vehicles
CN109113873B (zh) * 2018-10-26 2019-09-13 大连民族大学 一种具有双进气偏心双阳极结构的点火器工作方法
NL1043558B1 (nl) * 2020-02-05 2021-09-13 Johannes Wilhelmus Kramer Paulus Rechthoekig of vierkant of cylindrisch filterelement, vervaardigd uit metaal of kunstof, gevuld met hydrokorrels of permeabele gesinterde kleikorrels als filtraat, dat wordt vastgehouden door een fijn mazig metalen of kunststof gaas, als stoffilter- en of als gasfilterelement.

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Also Published As

Publication number Publication date
KR19990064229A (ko) 1999-07-26
BR9611041A (pt) 1999-07-06
AU7332096A (en) 1997-04-30
CN1199443A (zh) 1998-11-18
EP0854971B1 (en) 1999-07-07
US6058698A (en) 2000-05-09
TR199800662T1 (xx) 1998-06-22
DE69603194D1 (de) 1999-08-12
AU711204B2 (en) 1999-10-07
PL326165A1 (en) 1998-08-31
ITTO950827A1 (it) 1997-04-13
GR3031442T3 (en) 2000-01-31
ATE181986T1 (de) 1999-07-15
MX9802844A (es) 1998-11-29
CA2234586A1 (en) 1997-04-17
EP0854971A1 (en) 1998-07-29
IT1280969B1 (it) 1998-02-11
ES2135928T3 (es) 1999-11-01
DE69603194T2 (de) 2000-01-27
WO1997013963A1 (en) 1997-04-17
JPH11514420A (ja) 1999-12-07

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