IT1274492B - Struttura di materiale composito atta ad assorbire e dissipare la potenza della radiazione elettromagnetica incidente,in particolare per mezzi di trasporto aereo,navale,terrestre e per apparecchi terrestri fissi - Google Patents

Struttura di materiale composito atta ad assorbire e dissipare la potenza della radiazione elettromagnetica incidente,in particolare per mezzi di trasporto aereo,navale,terrestre e per apparecchi terrestri fissi

Info

Publication number
IT1274492B
IT1274492B ITMI950970A ITMI950970A IT1274492B IT 1274492 B IT1274492 B IT 1274492B IT MI950970 A ITMI950970 A IT MI950970A IT MI950970 A ITMI950970 A IT MI950970A IT 1274492 B IT1274492 B IT 1274492B
Authority
IT
Italy
Prior art keywords
dissipate
absorb
land
composite material
power
Prior art date
Application number
ITMI950970A
Other languages
English (en)
Inventor
Roberto Sgherri
Stefano Simonini
Original Assignee
Oto Melara 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 Oto Melara Spa filed Critical Oto Melara Spa
Publication of ITMI950970A0 publication Critical patent/ITMI950970A0/it
Priority to ITMI950970A priority Critical patent/IT1274492B/it
Priority to DE69619153T priority patent/DE69619153T2/de
Priority to AT96200720T priority patent/ATE213202T1/de
Priority to PT96200720T priority patent/PT742095E/pt
Priority to DK96200720T priority patent/DK0742095T3/da
Priority to SI9630465T priority patent/SI0742095T1/xx
Priority to EP96200720A priority patent/EP0742095B1/en
Priority to ES96200720T priority patent/ES2171603T3/es
Publication of ITMI950970A1 publication Critical patent/ITMI950970A1/it
Application granted granted Critical
Publication of IT1274492B publication Critical patent/IT1274492B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/12—Laminated shielding materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
    • B29K2707/04—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
    • B63G13/02—Camouflage

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Packages (AREA)
  • Details Of Aerials (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
ITMI950970A 1995-05-12 1995-05-12 Struttura di materiale composito atta ad assorbire e dissipare la potenza della radiazione elettromagnetica incidente,in particolare per mezzi di trasporto aereo,navale,terrestre e per apparecchi terrestri fissi IT1274492B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ITMI950970A IT1274492B (it) 1995-05-12 1995-05-12 Struttura di materiale composito atta ad assorbire e dissipare la potenza della radiazione elettromagnetica incidente,in particolare per mezzi di trasporto aereo,navale,terrestre e per apparecchi terrestri fissi
DK96200720T DK0742095T3 (da) 1995-05-12 1996-03-15 Kompositmaterialestruktur egnet til absorption og dissipation af indfaldende elektromagnetisk strålingsenergi, navnlig til luft-, vand- og landfartøjer og til faste installationer på jorden
AT96200720T ATE213202T1 (de) 1995-05-12 1996-03-15 Verbundwerkstoffstruktur, fähig zur absorption und dissipation von auffallender elektromagnetischer strahlungsenergie, insbesondere für luft-, see- und landfahrzeuge und für feste bodeneinrichtungen
PT96200720T PT742095E (pt) 1995-05-12 1996-03-15 Estrutura de material composito capaz de absorver e dissipar energia de radiacao electromagnetica incidente, em particular para equipamento aereo terrestre e maritimo e para instalacoes terrestres fixas
DE69619153T DE69619153T2 (de) 1995-05-12 1996-03-15 Verbundwerkstoffstruktur, fähig zur Absorption und Dissipation von auffallender elektromagnetischer Strahlungsenergie, insbesondere für Luft-, See- und Landfahrzeuge und für feste Bodeneinrichtungen
SI9630465T SI0742095T1 (en) 1995-05-12 1996-03-15 Composite material structure able to absorb and dissipate incident electromagnetic radiation power, in particular for air, water and land craft and for fixed ground installations
EP96200720A EP0742095B1 (en) 1995-05-12 1996-03-15 Composite material structure able to absorb and dissipate incident electromagnetic radiation power, in particular for air, water and land craft and for fixed ground installations
ES96200720T ES2171603T3 (es) 1995-05-12 1996-03-15 Estructura de un material compuesto capaz de absorber y disipar energia de radiacion electromagnetica incidente, en particular para vehiculos terrestres, aeronaves y embarcaciones y para instalaciones terrestres fijas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI950970A IT1274492B (it) 1995-05-12 1995-05-12 Struttura di materiale composito atta ad assorbire e dissipare la potenza della radiazione elettromagnetica incidente,in particolare per mezzi di trasporto aereo,navale,terrestre e per apparecchi terrestri fissi

Publications (3)

Publication Number Publication Date
ITMI950970A0 ITMI950970A0 (it) 1995-05-12
ITMI950970A1 ITMI950970A1 (it) 1996-11-12
IT1274492B true IT1274492B (it) 1997-07-17

Family

ID=11371590

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI950970A IT1274492B (it) 1995-05-12 1995-05-12 Struttura di materiale composito atta ad assorbire e dissipare la potenza della radiazione elettromagnetica incidente,in particolare per mezzi di trasporto aereo,navale,terrestre e per apparecchi terrestri fissi

Country Status (8)

Country Link
EP (1) EP0742095B1 (it)
AT (1) ATE213202T1 (it)
DE (1) DE69619153T2 (it)
DK (1) DK0742095T3 (it)
ES (1) ES2171603T3 (it)
IT (1) IT1274492B (it)
PT (1) PT742095E (it)
SI (1) SI0742095T1 (it)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA009102B1 (ru) * 2003-08-14 2007-10-26 Эвальд Деркен Аг Отражающий слой
WO2009079062A2 (en) * 2007-09-27 2009-06-25 Honeywell International Inc. Field installation of a vehicle protection system
GB0905312D0 (en) * 2009-03-27 2009-05-13 Qinetiq Ltd Electromagnetic field absorbing composition
GB2480064A (en) * 2010-05-04 2011-11-09 Vestas Wind Sys As RAM panel arrangements for a wind turbine tower
GB2485524A (en) * 2010-10-26 2012-05-23 Vestas Wind Sys As Foam core containing radar absorbing materials for composite structures
RU2456722C1 (ru) * 2011-05-11 2012-07-20 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Конструкционный радиопоглощающий материал
PE20150113A1 (es) * 2012-03-30 2015-02-19 Micromag 2000 Sl Atenuador de radiacion electromagnetica
US9541678B2 (en) * 2013-11-13 2017-01-10 Arc Technologies, Inc. Multi-layer absorber
US9832918B2 (en) 2015-08-13 2017-11-28 Arc Technologies, Inc. EMR absorbing server vent
CN105958212B (zh) * 2016-04-27 2020-07-10 电子科技大学 全向双频段吸波材料
DE112020001508T5 (de) 2019-03-27 2021-12-30 Warwick Mills Inc. Flexible und faltbare elektromagnetische abschirmung
EP3966515B1 (en) 2019-05-07 2023-07-19 Warwick Mills, Inc. Camouflage cover having a visual appearance and visible and ir spectral signatures that closely match a vegetative environment

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Publication number Priority date Publication date Assignee Title
JPS5244542A (en) * 1975-10-07 1977-04-07 Mitsubishi Oil Co Ltd Electric wave absorber
GB2058469B (en) * 1979-08-31 1983-12-14 Plessey Co Ltd Radiation-absorbing materials
DE3307066A1 (de) * 1983-03-01 1984-09-13 Dornier Gmbh, 7990 Friedrichshafen Mehrschichtiger faserverbundwerkstoff
US4606848A (en) * 1984-08-14 1986-08-19 The United States Of America As Represented By The Secretary Of The Army Radar attenuating paint
DE3534059C1 (en) * 1985-09-25 1990-05-17 Dornier Gmbh Fibre composite material
EP0243161B1 (en) * 1986-04-22 1992-06-24 The Yokohama Rubber Co., Ltd. Microwave-absorptive composite
FR2656146B1 (fr) * 1986-10-23 1994-04-08 Onera Materiau absorbant les ondes electromagnetiques et procede pour sa fabrication.
US5134421A (en) * 1988-08-29 1992-07-28 Basf Aktiengesellschaft Structures exhibiting improved transmission of ultrahigh frequency electromagnetic radiation and structural materials which allow their construction
FR2743940B1 (fr) * 1989-07-28 1998-08-21 Nowak Jean Michel Revetement absorbant aux ondes electromagnetiques hyperfrequence et procede d'application d'un tel revetement sur un support
GB9225444D0 (en) * 1992-12-04 1993-01-27 Secr Defence Radar attenuating textiles

Also Published As

Publication number Publication date
ITMI950970A0 (it) 1995-05-12
ITMI950970A1 (it) 1996-11-12
PT742095E (pt) 2002-07-31
ATE213202T1 (de) 2002-02-15
EP0742095A2 (en) 1996-11-13
ES2171603T3 (es) 2002-09-16
SI0742095T1 (en) 2002-10-31
EP0742095A3 (en) 1998-05-06
EP0742095B1 (en) 2002-02-13
DK0742095T3 (da) 2002-05-13
DE69619153T2 (de) 2002-08-22
DE69619153D1 (de) 2002-03-21

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