EP1387798A2 - Caracteristiques de securite - Google Patents

Caracteristiques de securite

Info

Publication number
EP1387798A2
EP1387798A2 EP02748308A EP02748308A EP1387798A2 EP 1387798 A2 EP1387798 A2 EP 1387798A2 EP 02748308 A EP02748308 A EP 02748308A EP 02748308 A EP02748308 A EP 02748308A EP 1387798 A2 EP1387798 A2 EP 1387798A2
Authority
EP
European Patent Office
Prior art keywords
security features
features according
electrically conductive
tapes
areal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP02748308A
Other languages
German (de)
English (en)
Other versions
EP1387798B1 (fr
Inventor
Frank Puttkammer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WHD Elektronische Prueftechnik GmbH
Original Assignee
WHD Elektronische Prueftechnik GmbH
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 WHD Elektronische Prueftechnik GmbH filed Critical WHD Elektronische Prueftechnik GmbH
Publication of EP1387798A2 publication Critical patent/EP1387798A2/fr
Application granted granted Critical
Publication of EP1387798B1 publication Critical patent/EP1387798B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0341—Forms or constructions of security seals characterised by the type of seal used having label sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer

Definitions

  • the invention relates to security features, preferably tear tapes or
  • these so-called tear-open means are usually designed in a different color, equipped with a noticeable material thickness and sometimes with a sharp, noticeable edge.
  • One end of these tear threads is usually designed as a freely hanging tab that is easy to grasp by the user.
  • the design of this tab for example its shape, length or width - is also used as proof of originality.
  • Concealed security features that are not visually recognizable from a human perspective are preferred.
  • the design changes do not unsettle consumers.
  • the lack of knowledge of the type and location of the security features is intended to prevent the counterfeiter from manufacturing himself, e.g. B. the packaging for "gray goods" to the test technology and test equipment.
  • a general problem in both product piracy and unauthorized production is the unauthorized manufacture of packaging and outer packaging or the theft of those with whom the counterfeits or the gray goods are packaged and thus pretend originality.
  • EP 0 317 202 describes a package with a tear-open tape, which is coated with a magnetizable material for receiving magnetically coded information.
  • WO 99/43556 AI describes tear threads as a security feature for
  • Packaging with one or more perforation holes for example company logos. Tear-off threads with individual metallized sections are also used, demetallized zones, which in particular represent figures or letters, being located within these metallized sections and / or the metallized sections representing holograms.
  • demetallized zones which in particular represent figures or letters, being located within these metallized sections and / or the metallized sections representing holograms.
  • the combination of the optically effective security feature with an electrically effective feature color for coding information is also described.
  • Metallization coatings produced by printing are also known. Coatings made using metallic printing inks allow a higher resolution depending on the type of print, for example for scatter prints.
  • the choice of binder enables the setting of the partial sheet resistances.
  • the brilliance of the surface lies below the surface produced by vacuum coating processes. No applicable industrial technologies, in particular vacuum technologies, are available for security features, realized by metallization with partial surface resistance changes and at the same time the highest possible brilliance of the surface, because the usual processing or manufacturing speeds of> 500 m / min are not achieved.
  • Areal metallization is understood to mean a homogeneously metallized area with a homogeneous surface brilliance.
  • Scattered metallization means a non-homogeneously metallized surface or a homogeneously metallized surface with demetallizations or a homogeneously metallized surface with inhomogeneous surface brilliance or a homogeneously metallized surface with inhomogeneous surface brilliance and demetallizations.
  • Any material is referred to as the substrate or carrier substrate, onto or into which coding means are to be attached or inserted, material being understood to mean, for example, plastic or metal foil, paper, cardboard and textile fabric.
  • coding means are understood to mean means for securing and coding with electrical, optical or magnetic modes of operation.
  • tear tapes the most diverse types of tear tapes, strips, threads and tear films and the like are collectively referred to as tear tapes.
  • Packaging includes all wrappings, partial wrappings, outer packaging, cardboard boxes, foils, tissue, paper and cardboard, all suitable for wrapping products of any kind.
  • Components, coding means and electrically conductive layers which are connected in a different arrangement to a carrier substrate.
  • Layers of known electrically conductive polymers are used. According to this invention, these security features represent tear tapes which are connected to a package, for example pressed, glued or sealed.
  • a prerequisite for the use of electrically conductive polymer layers in combination with a metallization layer is a clear difference between the surface resistances («100 k ⁇ / D), in particular a very high electrical surface resistance of the metallization layer is required ( « 200 k ⁇ / D).
  • the customary and applied technologies for metallization achieve low surface resistances.
  • the coating by means of an electrically conductive polymer for.
  • an electrically conductive polymer for.
  • PEDT PSS Polyethylenedioxythiophenpolystyrolsulfonat
  • the PEDT / PSS is characterized by a sheet resistance in the range of 15-100 k ⁇ / D.
  • a surface resistance of 50 k ⁇ / D is achieved on PE films using a primer.
  • the polymer layer is applied areally or partially, whereby it is preferably area-modulated or applied as a scatter print. Due to the partially changing surface resistance, a legible coding is created. This in turn can be easily detected in different ways, especially by means of capacitive coupling.
  • a possible mechanical physical double test of the electrically conductive polymer PEDT / PSS is advantageous, which on the one hand detects the electrical conductivity and on the other hand the optical property, for example in the IR range.
  • the IR properties can be used effectively with increasing wavelength (> 900 nm) as well as the application weight or the layer thickness. Measurable parameters are given by absorption and change in wavelength. This double check significantly reduces the likelihood of identifying counterfeits, or the error rate of the undetected counterfeits, or the error rate of the genuine products identified as counterfeit.
  • a metallized surface to be used according to the invention in particular with high brilliance, in which it would be assumed that it has good electrical conductivity, which could include an electrically conductive security feature or even represents a security feature via coded surface resistance changes - represents a further hurdle for a counterfeiter, since the task, function and mode of operation of the metallized surface are neither suspected nor obvious.
  • the invention relates to security features, preferably tear tapes or threads, for identifying the originality of products by the manufacturer or authorized control bodies.
  • the tear tapes consist of substrates, of areal or scattered metallized applications with a defined surface resistance and of electrically conductive polymers, also with a defined surface resistance.
  • the surface resistance of the areal or scattered metallized applications is greater than 200 k ⁇ / D
  • the surface resistance of electrically conductive polymers is in the order of 15 to 100 k ⁇ / D.
  • the difference between the surface resistances of the applications and the electrically conductive polymers is greater than 100 k ⁇ / D.
  • This type of tear tapes according to the invention is connected to packaging.
  • the structure of the tear tapes - ie the arrangement of substrates, electrically conductive polymers, areal or scattered metallized applications, protective layers, release agents and / or adhesive layers - is chosen depending on the purpose, the individual layers being interchangeable. Siliconized layers or transfer tapes or layers are preferably used as release agents. Depending on the intended use and the production technology used, primers are used, the primers both serving as adhesion promoters and, according to the invention, being suitable for smoothing applied substrates.
  • the electrically conductive polymers, the areal or scattered metallized applications, the substrates, optionally also the protective layers and the primers are arranged as coding means in such a way that their electrical or optical or magnetic modes of action can be detected by means of capacitive coupling, that is to say they are used as coding means.
  • the electrically conductive polymers partially or surface-modulated or partially surface-modulated.
  • a coding resulting from this can be detected capacitively.
  • Applications that are either partially or surface-modulated or partially-surface-modulated that are applied over a wide area or scattered with metallization can be detected as coding by means of capacitive coupling.
  • the coding means of the security features can be influenced physically or chemically.
  • the coding means react perceptibly to the tester as an authenticity or originality feature either in the tear tapes or in connection with the packaging.
  • reaction inks it is also within the scope of the invention to use reaction inks as coding agents, the individual components of reaction inks reacting with one another by contacting them and thus indicating authenticity or originality.
  • the electrically conductive polymer to be used according to the invention is preferably a polyethylene dioxythiophene polystyrene sulfonate (PEDT / PSS).
  • a special embodiment of the invention provides for sub-tapes to be joined to form a tear tape.
  • the individual subbands can consist of substrates, of areal or scattered metallized applications and of electrically conductive polymers, the individual subbands likewise being able to consist of protective layers, release agent layers, adhesive layers and a primer.
  • the selection and arrangement of the individual layers depends on the desired use and the processing technology. Different surface resistances of individual layers in the subbands are also within the scope of the invention.
  • the sub-tapes produced identically or with a different structure result in coding on their own or after their connection to a tear-open tape. If codes are only formed by joining sub-bands, their precise matching is an essential prerequisite. All coding means on the sub-tapes and on the tear tape can be aligned differently on the surface to be applied.
  • FIG. 1 shows a product in film packaging 2 with tear tape 1, which is, for example, pressed, glued or sealed with the film packaging 2.
  • the tear tape 1 is usually designed as a flat film which is thicker than the film packaging 2. Tear threads 1 are used which have a thickness of approximately 30-50 ⁇ m and a width of 1 mm to 2 mm. For better identification, the tear tape 1 is often designed in color and thus clearly stands out from the film packaging 2. In order to grip the tear tape 1, it is initially formed as a tab 3 projecting beyond the film packaging 2.
  • FIG. 1b schematically shows a tear tape 1 according to the invention for identifying the originality by the manufacturer or added control organs as a part.
  • It essentially contains a substrate 10, a surface or scattered metallized application or application layer 13 and an electrically conductive polymer 12 with a surface resistance of the order of 15-100 k ⁇ / D, the difference between the surface resistance of the surface or scatter metallized layer 13 and the sheet resistance of the electrically conductive polymer 12 is greater than 100 k ⁇ / D.
  • the layers are optionally interchangeable.
  • the substrate 10 is metallized with a surface
  • the electrically conductive polymer 12 which is not visible from a human visual point of view - here a polyethylene dioxythiophene polystyrene sulfonate - specifies the manufacturer and the date of manufacture and is shown in FIG. 1c.
  • FIG. 2a shows a further variant of the tear tape 1.
  • a substrate 10 is smoothed with a primer 11.
  • the electrically conductive polymer 12 is located on this, which in turn is provided with a primer 11 if necessary.
  • This is followed by the metallized layer 13 and, if desired depending on the application, a final protective layer 14, wherein a primer 11 may also be required between the metallized layer 13 and the protective layer 14.
  • a colored lacquer - not shown in FIG. 2a - can also be applied to the protective layer 14 for optical finishing. It is also conceivable that the protective layer 14 consists of such a lacquer layer.
  • the position of the electrically conductive polymer 12 can be exchanged with the metallized layer 13.
  • the primers 11 used can also act as adhesion promoters.
  • the tear tape 1 contains an adhesive layer 15 for connection to the film packaging 2. If the tear tape 1 is pressed or sealed with the film packaging 2, the adhesive layer 15 can be dispensed with become. Since the tear tape 1 is usually wound on rolls, it makes sense to provide one side thereof with a release agent 9, in particular a silicone film. As a release agent 9, the tear tape 1 can also be provided with a transfer tape 16 (FIG. 2 c), the transfer tape 16 containing adjustment means 8, for example perforations, magnetic tracks or optical marks for the precise application of the tear tape 1 on the film packaging 2.
  • the substrate 10 is coated on both sides, with an electrically conductive polymer 12 on one side of the substrate 10 and the metallized layer 13 on the other side.
  • Two subbands 30; 31 are manufactured independently of each other and connected to each other.
  • the sub-bands 30; 31 are, for example, glued or pressed or sealed and, when joined together, form the tear tape 1.
  • the one partial tape 30 consists, in addition to other layers, of a substrate 10 and the electrically conductive polymer 12 and the other partial tape 31 essentially consists of a substrate 10 and the metallized layer 13 , Depending on the intended future use and depending on the technological possibilities, the essential layers of the sub-bands 30; 31 interchangeable and the sub-bands 30; 31 can be put together at different points.
  • FIG. 3a illustrates the schematic structure of a section of a tear tape 1.
  • a coding is created on the basis of the different application thickness and the resulting changing surface resistances.
  • the modulated surface resistances represent a specific coding of the manufacturer (see FIG. 3 a)
  • This example describes a tear tape 1 or partial tapes 30; 31 similar to that described in Example 6, with the electrically conductive polymer 12 being partially applied.
  • the partial applications of polymer 12 result in partially changing surface resistances, which in turn serve as codes and production data such as logistical see routes, batches, destinations, product classes or serial numbers.
  • the electrically conductive polymer 12 is partially applied, and the respective sections of the partial orders are applied in a surface-modulated manner. Due to the partially changing surface resistances, a coding is created which represents the manufacturer and the date of manufacture, and the surface-modulated sections produce a coding which represents a specific coding of the manufacturer.
  • one or more codings are combined in accordance with Examples 6, 7 and / or 8, these being implemented in different surface directions.
  • the electrically conductive polymer 12 is partially surface-modulated in one surface direction - see example 8 - and partially applied in another surface direction - see example 7 - with different codes being produced in both directions.
  • a primer 11 such as the electrically conductive polymer 12 in Examples 6 to 9, is partially or surface-modulated or partially-surface-modulated.
  • the resulting structure of the primer application 11 is transferred as a master structure to the layer to be applied made of electrically conductive polymer 12 and / or a metallized layer 13. Codings are produced as described in Examples 6 to 9.
  • FIG. 4a shows a customary flow of goods or distribution route for a tear tape 1.
  • An authorized manufacturer of security features produces the tear tape 1 and delivers this to the packer.
  • the possibilities for product pirates or unauthorized producers to access this tear tape 1 are numerous and unfortunately often not comprehensible for the inspector.
  • the original tear tape 1 is “branched off”, for example, during the transport to the packer of thread Components produce parts of a tear tape 1 and deliver them to the packer.
  • These subbands 30; 31 are preferably connected to one another only by the packer using customary transfer methods - shown in FIG. 5 - and each represent codes by themselves or by combining codes with one another. 31 or the combination of the sub-bands 30; 31 be compatible with the usual systems.
  • the thickness of the individual sub-bands 30; 31 is to be selected such that the total thickness of the tear tape 1 does not exceed the thickness of 30-50 ⁇ m that is usually used.
  • the combination achieves a much higher level of security since two components reach the user via different distribution channels.
  • the two separately supplied components result in a very high threshold for counterfeiters and criminals or unauthorized producers and is shown in Fig. 4b by broken arrows.
  • each sub-band 30; 31 alone or the combination of the sub-bands 30; 31 represent a coding. From the combination of two subbands 30; 31, a coded tear tape 1 is produced. The formation of the coding is shown in FIG. 6.
  • the desired coding is created, which represents the originality of the product.
  • Different coding versions are possible by deliberate offset when bringing together the two sub-bands 30; 31 to achieve.
  • the individual coding means can have different, preferably electrical, magnetic, optical modes of action. The number, arrangement, geometry and properties or their combination result in codes that can be detected by the tester.
  • the coding of the subband 30 represents the production site 20 and the coding of the subband 31 represents the production data 21.
  • the codes of the individual sub-band 30; 31 incomplete and only result in combination with a tear tape 1 with a decipherable or detectable coding.
  • the individual subbands 30; 31 also have coding means which can be influenced physically, for example by supplying energy, in particular in the form of visible light, UV, ER or heat radiation or else by chemical influence. It is also within the scope of the invention to provide the individual sub-bands 30; 31 with components of a reaction color, which react when they come into contact with one another.
  • coding is only activated by connecting a tear tape 1 with a packaging.
  • a decipherable or detectable coding is created by combining the tear tape 1 with Markings of the packaging, for example by the positionally accurate connection of the tear tape 1 with a film packaging 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Credit Cards Or The Like (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Burglar Alarm Systems (AREA)
  • Adhesive Tapes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Water Treatment By Sorption (AREA)
  • Pens And Brushes (AREA)

Abstract

L'invention concerne des caractéristiques de sécurité, de préférence, des pattes ou fils de déchirage, permettant d'identifier l'authenticité des produits par le fabricant ou des organes de contrôle habilités. Les caractéristiques de sécurité selon l'invention sont constituées de plusieurs composantes différentes, moyens de codage et couches électroconductrices qui sont reliées dans différentes configurations à un substrat support. On utilise ici les couches connues en soi de polymères électroconducteurs. Ces caractéristiques de sécurité présentent selon cette invention des bandes de déchirage qui sont, par exemple, pressées, collées ou scellées avec un emballage. Ces caractéristiques de sécurité représentent des obstacles technologiques insurmontables pour les falsificateurs.
EP02748308A 2001-03-01 2002-02-28 Caracteristiques de securite Expired - Lifetime EP1387798B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10111850 2001-03-01
DE10111850A DE10111850C2 (de) 2001-03-01 2001-03-01 Sicherheitseinrichtung
PCT/DE2002/000750 WO2002070368A2 (fr) 2001-03-01 2002-02-28 Caracteristiques de securite

Publications (2)

Publication Number Publication Date
EP1387798A2 true EP1387798A2 (fr) 2004-02-11
EP1387798B1 EP1387798B1 (fr) 2005-08-10

Family

ID=7677164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02748308A Expired - Lifetime EP1387798B1 (fr) 2001-03-01 2002-02-28 Caracteristiques de securite

Country Status (14)

Country Link
US (1) US20040101664A1 (fr)
EP (1) EP1387798B1 (fr)
AT (1) ATE301591T1 (fr)
BG (1) BG108159A (fr)
CZ (1) CZ20032385A3 (fr)
DE (2) DE10111850C2 (fr)
EE (1) EE04846B1 (fr)
ES (1) ES2247354T3 (fr)
HR (1) HRP20030655A2 (fr)
HU (1) HUP0400995A2 (fr)
PL (1) PL363801A1 (fr)
RU (1) RU2288152C2 (fr)
SK (1) SK12192003A3 (fr)
WO (1) WO2002070368A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111848A1 (de) * 2001-03-01 2002-09-12 Whd Elektron Prueftech Gmbh Sicherheitsmerkmale
DE10253567A1 (de) * 2002-11-15 2004-05-27 Linpac Plastics Gmbh Lagerungsmittel, insbesondere Schale
HUP0303536A2 (hu) * 2003-10-28 2005-11-28 Copthorne Trading Ltd. Azonosító jelzéssel ellátott tárolóegység
WO2007041798A1 (fr) * 2005-10-13 2007-04-19 Securoseal Pty Ltd Sangle d'inviolabilite
CN101808547B (zh) 2007-06-19 2012-11-14 塞库罗西尔有限公司 用于运送中的物品的安全系统
DE202007010382U1 (de) * 2007-07-24 2007-10-18 Beiersdorf Ag Restentleerbare Tube
CN111369888B (zh) * 2020-05-06 2021-11-19 申楷桢防伪科技技术（苏州）有限公司 一种方便去除的易碎型防伪标签

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836378A (en) * 1987-11-18 1989-06-06 Philip Morris, Incorporated Package having magnetically coded tear tape or sealing strip
US4941573A (en) * 1988-05-26 1990-07-17 Color Ident Systems Corporation Package identification system
DE3843075C2 (de) * 1988-12-21 2003-08-14 Gao Ges Automation Org Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement
IT1275558B (it) * 1995-07-14 1997-08-07 Mantegazza A Arti Grafici Foglio di sicurezza in particolare del tipo incorporante un elemento conduttore dell'elettricita'
DE19808288B4 (de) * 1998-02-27 2004-02-26 WHD elektronische Prüftechnik GmbH Aufreißfaden für Folienverpackungen
ATE209592T1 (de) * 1998-02-27 2001-12-15 Whd Elektron Prueftech Gmbh Aufreissfaden für verpackungen
DE19928060A1 (de) * 1999-06-15 2000-12-21 Whd Elektron Prueftech Gmbh Optisch variables Sicherheitsmerkmal und Verfahren zu seiner Herstellung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02070368A2 *

Also Published As

Publication number Publication date
DE50203892D1 (de) 2005-09-15
EP1387798B1 (fr) 2005-08-10
RU2003129526A (ru) 2005-03-27
SK12192003A3 (sk) 2004-01-08
HRP20030655B1 (fr) 2007-01-31
RU2288152C2 (ru) 2006-11-27
EE04846B1 (et) 2007-06-15
CZ20032385A3 (cs) 2004-09-15
ES2247354T3 (es) 2006-03-01
HRP20030655A2 (en) 2005-06-30
PL363801A1 (en) 2004-11-29
WO2002070368A2 (fr) 2002-09-12
US20040101664A1 (en) 2004-05-27
DE10111850A1 (de) 2002-09-19
BG108159A (en) 2004-03-31
DE10111850C2 (de) 2003-07-17
HUP0400995A2 (hu) 2004-09-28
ATE301591T1 (de) 2005-08-15
EE200300425A (et) 2004-02-16
WO2002070368A3 (fr) 2002-12-12

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