EP1307625B1 - Lock-key system - Google Patents

Lock-key system Download PDF

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Publication number
EP1307625B1
EP1307625B1 EP01962613A EP01962613A EP1307625B1 EP 1307625 B1 EP1307625 B1 EP 1307625B1 EP 01962613 A EP01962613 A EP 01962613A EP 01962613 A EP01962613 A EP 01962613A EP 1307625 B1 EP1307625 B1 EP 1307625B1
Authority
EP
European Patent Office
Prior art keywords
key
keyway
flank
grooves
ribs
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.)
Expired - Lifetime
Application number
EP01962613A
Other languages
German (de)
French (fr)
Other versions
EP1307625A1 (en
Inventor
Jürgen Krühn
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.)
Assa Abloy Sicherheitstechnik GmbH
Original Assignee
Assa Abloy Sicherheitstechnik 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 Assa Abloy Sicherheitstechnik GmbH filed Critical Assa Abloy Sicherheitstechnik GmbH
Priority to SI200130797T priority Critical patent/SI1307625T1/en
Publication of EP1307625A1 publication Critical patent/EP1307625A1/en
Application granted granted Critical
Publication of EP1307625B1 publication Critical patent/EP1307625B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0029—Key profiles characterized by varying cross-sections of different keys within a lock system
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0052—Rectangular flat keys
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7842—Single shank or stem
    • Y10T70/7859—Flat rigid
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7881—Bitting

Definitions

  • the invention relates to a lock-key system, with a flat key, which is insertable into the keyway of a cylinder core, wherein the ribs and grooves on the two flat sides of the key corresponding grooves and ribs are assigned in the key channel, the key from the spine to the key bridge is divided into different profile sections, of which the key back near section is formed as a guide section and the keyhole near section at least partially receives the notches for the associated tumblers, and the guide section adjacent portion is referred to as a middle profile section, which grooves on the outside of the keyway and associated with these ribs on the opposite outer side of the keyway.
  • the pin tumblers are brought into the open position with the appropriate tool.
  • the tumblers are tightened one after the other in the open position and held until all tumblers are open. This happens during manual picking quasi static or dynamic when picking with the mechanical Pickingpistole or the electropick.
  • the keyway is divided into several sections that are offset and paracentric with respect to the centerline.
  • This subdivision is known and commonly used to subdivide key profiles to separate the area for variation in locking systems and a non-variable area.
  • Such designed profile channels may allow it to open a cylinder by special picking tool and unfavorable tumbler combinations and great skill.
  • the Design of key channels according to the invention is now characterized by a special assignment of the flanks of the ribs and grooves in the middle profile section.
  • the flat key is designated 1 and the corresponding key channel 2.
  • the surrounding cylinder core is indicated by 3.
  • the key back 6 near section is formed as a guide section 8, while the key breast 7 near section which - not shown here - has notches for the interaction with the tumblers.
  • grooves 4 and ribs 5 in the key channel are provided in the central profile section 9 of the key channel, to which purpose, of course, corresponding ribs 5a and grooves 4a on the side faces of the flat key belong.
  • the profile section is bounded by vertical flanks 4 'on the grooves 4 and 5' on the ribs 5 and in the other direction by oblique flanks 4 "at.5".
  • the tool when picking it is achieved that the tool can preferentially move in one direction and possibly be deflected into the next profile section, while in the other direction the movement is stopped (barb effect).
  • a further embodiment - as shown in Figures 3 and 4 - includes an additional taper of the profile sections such that the P. tool is keyed in one direction with appropriate dimension. As a result, the picking tool has less (or no) freedom of movement therein and pecking is stopped.

Landscapes

  • Lock And Its Accessories (AREA)
  • Adornments (AREA)
  • Supports Or Holders For Household Use (AREA)

Abstract

The invention relates to a lock-key system comprising a flat key (1), which is insertable into the keyway of a cylinder core (3), wherein grooves (4) and ribs (5) inside the keyway are assigned to corresponding ribs (5a) and grooves (4a) located on both flat sides of the key (1), wherein the key is subdivided from the key spine (6) to the key facing into different profile sections. The middle profile section is assigned to at least one groove (4) on one outer surface of the keyway (2) and to a rib (5) on the opposite outer surface of the keyway. Both the groove (4) as well as the rib (5) comprise a flank (4', 5'), which extends perpendicular or substantially perpendicular to the center plane of the key or of the keyway, and comprise a flank (4'', 5''), which extends slantingly to this center plane. The perpendicular or substantially perpendicular flank of the groove faces the opposite slanted flank of the rib, and the perpendicular or substantially perpendicular flank of the rib faces the opposite slanted flank of the groove.

Description

Die Erfindung betrifft ein Schloss-Schlüssel-System, mit einem Flachschlüssel, der in den Schlüsselkanal eines Zylinderkernes einführbar ist, wobei den Rippen und Nuten an den beiden Flachseiten des Schlüssels entsprechende Nuten und Rippen im Schlüsselkanal zugeordnet sind, wobei der Schlüssel vom Schlüsselrücken zur Schlüsselbrust in verschiedene Profilabschnitte aufgeteilt ist, wovon der dem Schlüsselrücken nahe Abschnitt als Führungsabschnitt ausgebildet ist und der der Schlüsselbrust nahe Abschnitt zumindest teilweise die Kerben für die zugeordneten Zuhaltungen aufnimmt, und der an den Führungsabschnitt angrenzende Abschnitt als mittlerer Profilabschnitt bezeichnet wird, welcher Nuten an der Außenseite des Schlüsselkanals und diesen zugeordnete Rippen an der gegenüberliegenden Außenseite des Schlüsselkanals aufweist.The invention relates to a lock-key system, with a flat key, which is insertable into the keyway of a cylinder core, wherein the ribs and grooves on the two flat sides of the key corresponding grooves and ribs are assigned in the key channel, the key from the spine to the key bridge is divided into different profile sections, of which the key back near section is formed as a guide section and the keyhole near section at least partially receives the notches for the associated tumblers, and the guide section adjacent portion is referred to as a middle profile section, which grooves on the outside of the keyway and associated with these ribs on the opposite outer side of the keyway.

Derartige Flachschlüssel bzw. Schlüsselkanal Ausbildungen sind in vielfältiger Weise bekannt. Beispiele hierfür sind die US 4 368 629 A , die EP 0 261 298 A2 oder die DE 43 04 604 C2 .Such flat key or key channel configurations are known in many ways. Examples are the US 4,368,629 A , the EP 0 261 298 A2 or the DE 43 04 604 C2 ,

Konventionelle Schließzylinder mit Flachschlüssel und Stiftzuhaltungen werden u.a. durch "Picken" mit manuellem Pickingwerkzeug, Pickingpistole oder sog. Elektropick "angegriffen".Conventional lock cylinders with flat keys and pin tumblers are u.a. by "picking" with manual picking tool, picking gun or so-called electropick "attacked".

Beim Pickvorgang werden die Stiftzuhaltungen mit dem geeignetem Werkzeug in Öffnungsposition gebracht. Durch Verspannen des Zylinderkernes in Drehrichtung werden die Zuhaltungen nacheinander in Öffnungsposition verspannt und gehalten bis alle Zuhaltungen offen sind. Dies geschieht beim manuellen Picken quasi statisch oder dynamisch beim Picken mit der mechanischen Pickingpistole oder dem Elektropick.During the picking process, the pin tumblers are brought into the open position with the appropriate tool. By tightening the cylinder core in the direction of rotation, the tumblers are tightened one after the other in the open position and held until all tumblers are open. This happens during manual picking quasi static or dynamic when picking with the mechanical Pickingpistole or the electropick.

Gegen das unbefugte Öffnen von Schließzylindern mit Pickingwerkzeug wurden verschiedene Maßnahmen vorgeschlagen und -meist in Kombination - miteinander angewendet. Zu diesen Maßnahmen gehören ...

  • + Besonders ausgebildete Zuhaltungsstifte, die sich beim"Picken mit Nuten oder Vorsprüngen an der Trennlinie zwischen Zylindergehäuse und -kern verhaken und ein "Öffnen" mittels Picken verhindern.
  • + Besonders ausgebildete Bohrungen in Zylinderkern und/ oder Zylindergehäuse, die beim "Picken" dazu führen, dass sich die Zuhaltungsstifte darin verhaken und dadurch, dass sie nicht widersandslos an die Trennlinie zwischen Gehäuse und Kern gelangen, ein"Öffnen" mittels Picken verhindern.
  • + Parazentrische Schlüsselprofile, die das Hantieren mit Pickingwerkzeugen behindern
Against the unauthorized opening of lock cylinders with Pickingwerkzeug various measures have been proposed and-mostly in combination - applied to each other. These measures include ...
  • + Specially designed tumbler pins that hook when "picking with grooves or projections on the dividing line between the cylinder housing and core and prevent" opening "by picking.
  • + Specially designed holes in cylinder core and / or cylinder housing, which lead to the "pecking" that the tumbler pins catch in it and in that they do not reach the dividing line between the housing and the core without any reluctance, preventing "opening" by picking.
  • + Paracentric key profiles that hinder the handling of picking tools

Alle beschriebenen Maßnahmen erschweren das Picken generell, verhindern dies jedoch nicht grundsätzlich.All the measures described generally make picking more difficult, but do not fundamentally prevent it.

Es ist daher die Aufgabe der Erfindung ein Schloss-Schlüssel-System zu schaffen, das durch Picken nach Möglichkeit nicht zu öffnen ist.It is therefore an object of the invention to provide a lock-key system that is not possible to open by picking if possible.

Gelöst wird diese Aufgabe ausgehend von den Merkmalen des Oberbegriffs des Patentanspruchs 1 erfindungsgemäß durch die Merkmale des kennzeichnenden Teils des Anspruchs 1.This object is achieved on the basis of the features of the preamble of patent claim 1 according to the invention by the features of the characterizing part of claim 1.

Vorzugsweise Ausgestaltungen ergeben sich aus den Unteransprüchen.Preferably embodiments emerge from the subclaims.

Der Schlüsselkanal ist in verschiedene Abschnitte unterteilt, die gegenüber der Mittellinie gegeneinander versetzt und parazentrisch sind.The keyway is divided into several sections that are offset and paracentric with respect to the centerline.

Diese Unterteilung ist bekannt und wird üblicherweise zur Unterteilung von Schlüsselprofilen genutzt, um den Bereich zur Variation in Schließanlagen und einen nicht variablen Bereich voneinander zu trennen.This subdivision is known and commonly used to subdivide key profiles to separate the area for variation in locking systems and a non-variable area.

Derartig gestaltete Profilkanäle gestatten es u.U. durch spezielles Pickingwerkzeug und ungünstige Zuhaltungskombinationen und großem Geschick einen Zylinder zu öffnen. Die Gestaltung von Schlüsselkanälen gemäß der Erfindung ist nun durch eine besondere Zuordnung der Flanken der Rippen und Nuten im mittleren Profilabschnitt gekennzeichnet.Such designed profile channels may allow it to open a cylinder by special picking tool and unfavorable tumbler combinations and great skill. The Design of key channels according to the invention is now characterized by a special assignment of the flanks of the ribs and grooves in the middle profile section.

Die Erfindung soll nachfolgend an Ausführungsbeispielen erläutert werden, wobei die Zeichnungen einen Querschnitt durch den Schlüssel bzw. die entsprechende Querschnittskontur des Schlüsselkanals zeigen.The invention will be explained below with reference to embodiments, wherein the drawings show a cross section through the key or the corresponding cross-sectional contour of the keyway.

In den Zeichnungen (Fig. 1-4) ist der Flachschlüssel mit 1 und der entsprechende Schlüsselkanal mit 2 bezeichnet. Der umgebende Zylinderkern ist mit 3 angedeutet. Der dem Schlüsselrücken 6 nahe Abschnitt ist als Führungsabschnitt 8 ausgebildet, während der der Schlüsselbrust 7 nahe Abschnitt die - hier nicht dargestellten - Kerben für das Zusammenspiel mit den Zuhaltungen aufweist.In the drawings (Figures 1-4), the flat key is designated 1 and the corresponding key channel 2. The surrounding cylinder core is indicated by 3. The key back 6 near section is formed as a guide section 8, while the key breast 7 near section which - not shown here - has notches for the interaction with the tumblers.

Im mittleren Profilabschnitt 9 des Schlüsselkanals sind im dargestellten Ausführungsbeispiel Nuten 4 und Rippen 5 im Schlüsselkanal vorgesehen, wozu dann selbstverständlich entsprechende Rippen 5a und Nuten 4a an den Seitenflächen des Flachschlüssels gehören. In einer Richtung ist der Profilabschnitt durch senkrechte Flanken 4' an den Nuten 4 bzw. 5' an den Rippen 5 und in der anderen Richtung durch schräge Flanken 4" bzw.5" begrenzt.In the illustrated profile, grooves 4 and ribs 5 in the key channel are provided in the central profile section 9 of the key channel, to which purpose, of course, corresponding ribs 5a and grooves 4a on the side faces of the flat key belong. In one direction, the profile section is bounded by vertical flanks 4 'on the grooves 4 and 5' on the ribs 5 and in the other direction by oblique flanks 4 "bzw.5".

Bei der in Figur 2 dargestellten Ausführung sind die entsprechenden Flächen in umgekehrter Richtung angeordnet.In the embodiment shown in Figure 2, the corresponding surfaces are arranged in the reverse direction.

Hierdurch wird beim Picken erreicht, dass sich das Werkzeug in einer Richtung bevorzugt bewegen kann und unter Umständen in den nächsten Profilabschnitt umgelenkt wird, während in der anderen Richtung die Bewegung jedoch gestoppt wird (Widerhakeneffekt).As a result, when picking it is achieved that the tool can preferentially move in one direction and possibly be deflected into the next profile section, while in the other direction the movement is stopped (barb effect).

Eine weitere Ausführung - wie sie in den Figuren 3 und 4 dargestellt ist - beinhaltet eine zusätzliche Verjüngung der Profilabschnitte derart, dass das P.-Werkzeug bei entsprechender Abmessung in einer Richtung verkeilt wird. Dies hat zur Folge, dass das Pickingwerkzeug hierin weniger (oder keine) Bewegungsfreiheit besitzt und das Picken gestoppt wird.A further embodiment - as shown in Figures 3 and 4 - includes an additional taper of the profile sections such that the P. tool is keyed in one direction with appropriate dimension. As a result, the picking tool has less (or no) freedom of movement therein and pecking is stopped.

Claims (3)

  1. A lock/key system, comprising a flat key (1) which can be introduced into the keyway (2) of a cylinder plug (3), corresponding grooves (4) and ribs (5) in the keyway (2) being associated with the ribs (5a) and grooves (4a) on both flat sides of the key, the key, from the key back (6) to the key front (7), being divided up into different profiled sections, of which the section close to the key back (6) is in the form of a guide section (8) and the section close to the key front (7) at least in part receives the notches for the associated tumblers,
    and the section adjoining the guide section (8) is designated the middle profiled section (9), which has grooves (4) on one outer side of the keyway (2) and ribs (5) associated therewith on the opposite outer side of the keyway,
    characterised in that
    each groove (4) and also each rib (5) of the middle profiled section (9) on one side has a flank (4'; 5') extending at right-angles or nearly at right-angles to the central plane of the key or keyway and on the other side a flank (4"; 5") extending obliquely to this central plane, and
    that the right-angled or nearly right-angled flank (4') of the groove (4) faces the opposing oblique flank (5") of the rib (5) and the right-angled or nearly right-angled flank (5') of the rib (5) faces the opposing oblique flank (4") of the groove (4) and that in the middle profiled section (9) all the grooves (4) and all the ribs (5), viewed from the key front to the key back, are delimited by oblique flanks and, viewed from the key back to the key front, are delimited by right-angled or nearly right-angled flanks.
  2. A lock/key system according to Claim 1, characterised in that the key profile is a paracentric one.
  3. A lock/key system according to one of the preceding claims, characterised in that the keyway (2) is designed to taper towards the oblique flanks (4" and 5").
EP01962613A 2000-08-08 2001-08-07 Lock-key system Expired - Lifetime EP1307625B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200130797T SI1307625T1 (en) 2000-08-08 2001-08-07 Lock-key system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10042070A DE10042070C2 (en) 2000-08-08 2000-08-08 Lock and key system
DE10042070 2000-08-08
PCT/DE2001/002999 WO2002012659A1 (en) 2000-08-08 2001-08-07 Lock-key system

Publications (2)

Publication Number Publication Date
EP1307625A1 EP1307625A1 (en) 2003-05-07
EP1307625B1 true EP1307625B1 (en) 2007-12-19

Family

ID=7653954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01962613A Expired - Lifetime EP1307625B1 (en) 2000-08-08 2001-08-07 Lock-key system

Country Status (9)

Country Link
US (1) US6851292B2 (en)
EP (1) EP1307625B1 (en)
AT (1) ATE381654T1 (en)
AU (1) AU2001283793A1 (en)
DE (2) DE10042070C2 (en)
ES (1) ES2295195T3 (en)
HR (1) HRP20030066B1 (en)
PT (1) PT1307625E (en)
WO (1) WO2002012659A1 (en)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
AT503738B1 (en) * 2006-06-01 2008-08-15 Evva Werke KEY
US7412860B1 (en) 2007-03-30 2008-08-19 Medeco Security Locks, Inc. Key blank and key
US7552608B2 (en) * 2007-03-30 2009-06-30 Medeco Security Locks, Inc. Lock, key blank, and key of a hierarchical lock system
US7665337B1 (en) * 2009-02-18 2010-02-23 Winloc Ag Profiled key for cylinder locks
US8281628B2 (en) * 2009-02-18 2012-10-09 Winloc Ag Profile key with local recess
SE533361C2 (en) 2009-02-18 2010-09-07 Winloc Ag Profiled cylinder lock key
US8230708B2 (en) * 2009-02-18 2012-07-31 Winloc Ag Cylinder lock and key combination with a blocking element in the lock
US8800333B2 (en) 2011-04-25 2014-08-12 Schlage Lock Company Llc Key and lock cylinder combination
DE102018101438A1 (en) * 2018-01-23 2019-07-25 Assa Abloy Sicherheitstechnik Gmbh Flat key profile for a lock and key system

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AT340802B (en) 1976-01-28 1978-01-10 Evva Werke KEY-LOCK COMBINATION
DE3340073A1 (en) * 1983-11-05 1984-03-08 Zeiss Ikon Ag, 7000 Stuttgart LOCK-KEY SYSTEM, ESPECIALLY FOR LOCKING SYSTEMS
DE3614222A1 (en) * 1985-11-27 1987-06-04 Dom Sicherheitstechnik KEY FOR LOCKING CYLINDER
AT395198B (en) * 1986-09-26 1992-10-12 Evva Werke FLAT KEY FOR A CYLINDLE LOCK AND CYLINDLE LOCK FOR THIS FLAT KEY
DE3827687A1 (en) * 1988-08-16 1990-02-22 Dom Sicherheitstechnik LOCKING DEVICE
DE4304604C2 (en) * 1993-02-16 1999-06-02 Heinz Wolter Locking system consisting of locking cylinders and keys
SE505364C2 (en) * 1993-12-30 1997-08-11 Bo Widen Cylinder lock-key combination, key, key blank and lock
SE505885C2 (en) * 1993-12-30 1997-10-20 Bo Widen Cylinder lock-key combination, key, key blank and lock included in the combination
AT405668B (en) * 1995-02-01 1999-10-25 Evva Werke FLAT KEY FOR CYLINDLE LOCK
US5615565A (en) * 1995-09-19 1997-04-01 Medeco Security Locks, Inc. Keys for cylinder locks
DE19541325A1 (en) * 1995-11-06 1997-05-07 Winkhaus Fa August Locking cylinder
DE19548426C2 (en) * 1995-12-22 2003-12-11 Schliesanlagen Gmbh Pfaffenhai Cylinder lock for locking systems
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DE19800733A1 (en) 1998-01-12 1999-07-15 Schulte Zylinderschl Gmbh Cross-sectional profile of a flat key or the key channel of an associated locking cylinder
US6615628B2 (en) * 2001-07-20 2003-09-09 Chi-Wen Lou Picklock-proof key slot for a lock device and a key thereof

Also Published As

Publication number Publication date
DE10042070A1 (en) 2002-02-28
EP1307625A1 (en) 2003-05-07
HRP20030066A2 (en) 2004-06-30
HRP20030066B1 (en) 2008-11-30
DE50113404D1 (en) 2008-01-31
US6851292B2 (en) 2005-02-08
PT1307625E (en) 2008-02-01
US20030164012A1 (en) 2003-09-04
ATE381654T1 (en) 2008-01-15
ES2295195T3 (en) 2008-04-16
WO2002012659A1 (en) 2002-02-14
DE10042070C2 (en) 2002-09-26
AU2001283793A1 (en) 2002-02-18

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