EP1500748B1 - Kehrhilfseinrichtung für Strassenkehrmaschinen - Google Patents

Kehrhilfseinrichtung für Strassenkehrmaschinen Download PDF

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Publication number
EP1500748B1
EP1500748B1 EP03029360A EP03029360A EP1500748B1 EP 1500748 B1 EP1500748 B1 EP 1500748B1 EP 03029360 A EP03029360 A EP 03029360A EP 03029360 A EP03029360 A EP 03029360A EP 1500748 B1 EP1500748 B1 EP 1500748B1
Authority
EP
European Patent Office
Prior art keywords
sweeper
arm
sheath
sweeping
operator
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
EP03029360A
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English (en)
French (fr)
Other versions
EP1500748A3 (de
EP1500748A2 (de
Inventor
Marco Bersani
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.)
AMSA Azienda Milanese Servizi Ambientali SpA
Original Assignee
AMSA Azienda Milanese Servizi Ambientali SpA
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Publication date
Application filed by AMSA Azienda Milanese Servizi Ambientali SpA filed Critical AMSA Azienda Milanese Servizi Ambientali SpA
Publication of EP1500748A2 publication Critical patent/EP1500748A2/de
Publication of EP1500748A3 publication Critical patent/EP1500748A3/de
Application granted granted Critical
Publication of EP1500748B1 publication Critical patent/EP1500748B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
    • E01H1/103Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0863Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles

Definitions

  • the present invention relates to a sweeping aiding device for municipal street cleaning sweepers.
  • street sweepers are conventionally used for cleaning municipal streets and comprise a plurality of motor driven cleaning brushes, specifically designed for sweeping the street surface and collecting dirt therefrom.
  • the mentioned street sweepers are adapted to operate in an optimum manner if the street being cleaned is free and not obstructed by obstacles.
  • a walking operator provided with a broom or other sweeping instrument, can collect said dirt at a region which can be accessed by the sweeper brushes.
  • the document EP-A-0 683 278 discloses a sweeping aiding device comprising a windable sheath bearing a sweeping lance.
  • the main object of the present invention is to provide a sweeping aiding device, specifically designed for solving the above mentioned problems, which device also allows a walking operator to easily and quickly collect dirt and waste materials to direct the latter to the sweeper cleaning brushes, without requiring any great physical effort by the operator, and which can also be used for a long period.
  • Yet another important object of the present invention is to provide such a sweeping aiding device which also allows to properly clean streets and sidewalks even in regions thereof occupied by parked vehicles, and this by aiding the cleaning operator by a safe, efficient and noiseless system which, in addition, can be also easily controlled.
  • a sweeping aiding device to be applied to municipal street sweepers, according to claim 1.
  • the sweeping aiding device which has been generally indicated by the reference number 1, comprises a semiautomatic two articulated-joint arm, comprising a first arm segment 2 fixed at the middle region of the street sweeper 3 above the front portion of the tilting casing 4 thereof, through a first articulated joint 11.
  • the above mentioned arm is of a self-moving type, i.e. it can be driven in a plane parallel to the ground, and arranged at a level greater than the maximum height of the sweeper.
  • the sweeping operation is performed by using pressurized water delivered from the street sweeping machine and, to that end, the sweeping aiding device ends with a sheath 13 supplying and supporting a sweeping lance 5.
  • Said sweeping lance is driven by a walking operator 6, and allow to displace dirt and waste materials from the sidewalks 7 and from the bottom of the cars or vehicles 8 parked at the central portion of the street 9, from which said dirt and waste materials are collected by the sweeper, which in the meanwhile washes the street surface.
  • the articulated arm as is shown, comprises a second segment 10 coupled to the first segment 2 by a second articulated joint 12.
  • the two arm segments 2 and 10 in the maximally extended condition thereof, have a length larger than six meters, but a specifically designed system for winding and automatically recovering the sheath 13 allows the operator to move away, if necessary, by other three meters from the sweeper.
  • the lance 5 supporting sheath 13 slides, at the end portion of the arm, in a special supporting element, of a joystick type, which automatically drives the arm segment, thereby providing an operator tracking length reserve, independently from the movement direction of the operator.
  • the walking operator can perform the dirt and waste material removal operation, without considering the position of the sweeper arm.
  • the sheath 13 ends with an electric connector and a water quick fitting, allowing, as the sweeping aiding device is in an idle condition above the sweeper, to disconnect the lance 5 for storing it at any other desired location.
  • the supporting sheath 13 will be automatically wound within the arm segment 10 and will be bracketed on a side of the casing or box 4.
  • the sheath 13 is wound, by a specifically designed winding system, inside the second segment 10 on a cable holder chain 19 coupled to the aiding shoes 20, which can slide at the top in a polyethylene guiding element 21.
  • the sheath 13 projects from the second arm segment 10 through the end portion 18 comprising a control system for controlling the position and movement of said sheath, said control system comprising two potentiometers 23 and 24, each of which is provided with small rollers 25, arranged in respective orthogonal planes, thereby to transmit an electric signal to the control central unit controlling the servomotors 26 and 27 which respectively drive the first and second articulated joints.
  • said potentiometers can detect or sense the operator moving speed, so as to properly control the servomotors of the articulated arm to properly track or follow the moving operator.
  • a spotlight element having a halogen lamp, mounted on the end portion 18 of the second arm segment 10, will allow the sweeper to also operate in a night period, by diffusely illuminating from the top the working region.
  • the two arm segments are compasses-like closed, and are bracketed on the sweeper 3 by an automatic safety locking system.
  • the sweeping aiding device will be held inside the sweeper perimeter thereby meeting the maximum height values provided by the Street Code.
  • the sweeping aiding device is adapted to indifferently operate on both sides of the sweeper.
  • a selector or switch element, arranged on the cab button panel of the sweeper will allow to select the working side and then, the system controlling softer will prevent any further movements on the other side of the sweeper.
  • the rotary movements of the two arm segments are motor driven.
  • Torque limiting elements together with damping rubber section elements, arranged on the sides of the arms, will protect the equipment from accidental impacts.
  • the device bearing construction 15 is coupled, by a removable coupling means, to a fixing or attachment plate 16, rigid with the sweeper casing or box 4.
  • said sweeping aiding device attachment plate 16 is removably coupled, by a coupling bracket, to the front portion of the casing 4 of the sweeper 3.
  • the bearing construction can be subjected to the following loads:
  • the lance gripper 17 of the lance has integrated therein an on/off joystick electric control to allow the operator to adjust, through a knob control valve, the flow rate of the water being sprayed from the lance 5.
  • the device further comprises an independent electric panel, meeting the related CE standards, provided for driving and controlling the sweeper; it comprises: a PLC for controlling the operating and safety logic circuits; I/O cards for managing the transmitted signals; and the electric motor drives.
  • the device comprises moreover an independent pushbutton panel, mounted on the sweeper cab, and including the following control pushbuttons: on/off selector; emergency pushbutton; arm extending and withdrawing selector or switch; a selector for operating either at the right or at the left of the truck; a small panel for necessary alarms; an alarm reset pushbutton; and a lighting system on/off selector or switch.
  • the driver and walking operator can continuously communicate through a radio-wave interphone system, with an earphone for the walking operator and in a voiced manner for the driver, thereby providing a highly synchronous cooperating of the driver and operator.
  • the sweeper can also comprise, onboard, the following provisions, as necessary for operating the sweeping aiding device: electricity 24 V; voltage 24+/-15% Vcc; and useful power 0.85 kW, as necessary for power supplying the arm motors, lighting system and electronic cabinet.
  • Pressurized water is advantageously filtered and free of suspensions and has a rated pressure from 60 to 100 bars (adjustable), a maximum pressure of 110 bars and a maximum flowrate of 900 dm 3 /h, for water supplying the water spraying lance.
  • the sweeping aiding device can also perform, by small modifications, even a cleaning function, by using an air blower, having a 24 Vcc electric motor, to be coupled to the sheath in place of the sweeping lance, and can also be electrically supplied by the sheath.
  • the device can also be applied on a tank truck and can be used for washing streets and sidewalks, since it would have available great amounts of water.
  • the device according to the invention can also be applied to a salt delivery truck, thereby delivering salt on the sidewalks and under the parked vehicles, under snow and ice condition.
  • the invention provides a sweeping aiding device allowing to sweep and wash streets and sidewalks even in regions occupied by parked vehicles, aiding the operator through the use of a safe, efficient, noiseless and easily manoeuvrable system.
  • the used materials, as well as the contingent size and shapes can be any, depending on requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Harvester Elements (AREA)
  • Brushes (AREA)

Claims (20)

  1. Kehrhilfsvorrichtung (1) zur Anwendung auf Straßenkehrmaschinen, wobei die Vorrichtung einen Gelenkarm (2, 10) umfasst, der mit einer Straßenkehrmaschine (3) verbunden werden kann, wobei der Gelenkarm (2, 10) ein halbautomatischer servogesteuerter Gelenkarm ist, der ein erstes Armsegment (2) umfasst, das an der Mitte der Straßenkehrmaschine (3) über einem Vorderabschnitt eines Kippgehäuses (4) davon durch eine erste Gelenkverbindung (11) befestigt ist, wobei sich der Gelenkarm (2, 10) in einer zum Boden parallelen Ebene selbst bewegen kann, die auf einer Ebene angeordnet ist, die größer als die maximale Höhe der Straßenkehrmaschine (3) ist, und wobei der Gelenkarm (2, 10) ein zweites Armsegment (10) umfasst, das mit dem ersten Armsegment (2) durch eine zweite Gelenkverbindung (12) verbunden ist, dadurch gekennzeichnet, dass die zwei Armsegmente (2, 10) in einem Zustand der maximalen Ausdehnung davon eine Länge aufweisen, die größer als sechs Meter ist, und dadurch, dass die Kehrhilfsvorrichtung ferner einen wickelbaren Mantel (13) umfasst, der an einem Endabschnitt davon eine Kehrlanze (5) aufweist, die ausgelegt ist, um Druckwasser bereitzustellen und von einem gehenden Maschinenbediener (6) gefasst zu werden, wobei ein automatisches Wickel- und Wiederherstellungssystem zum Wickeln des Mantels (13) bereitgestellt ist, so dass sich der Maschinenbediener (6) von der Kehrmaschine (3) um zusätzliche drei Meter weg bewegen kann, wobei der Mantel (13) an dem Endabschnitt des Arms in einem Element einer Steuerknüppelart, das die Armsegmente (2, 10) automatisch antreibt, verschiebbar gestützt ist, wodurch eine Reservelänge bereitgestellt wird, so dass der Maschinenbediener (6) der Kehrmaschine (3) in jeder beliebigen Richtung ohne weiteres folgen kann.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass: der Mantel (13) mit einem elektrischen Verbinder und einer Wasserschnellkupplung endet, wodurch das Abschalten der Lanze (5) in einem Ruhezustand der Vorrichtung auf der Kehrmaschine (3) und das Lagern davon an beliebigen anderen gewünschten Orten ermöglicht wird, wobei der Mantel (13) automatisch in das zweiten Armsegment (10) gewickelt und dann an einer Seitenwand des Kehrmaschinengehäuses (4) festgeklemmt wird.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Mantel (13) von dem Wickelsystem in das Innere des zweiten Armsegments (10) auf einer Kabelhalterkette (19) gewickelt werden kann, die mit verschiebbaren Schuhen (20) verbunden ist, die darauf in einem Polyethylyen-Führungselement (21) gleiten können.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das zweite Armsegment (10) einen ovalen Querschnitt aufweist, in dem elektrische Kabelrohre (22) angeordnet sind.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Mantel (13) von dem zweiten Armsegment (10) durch seinen Endabschnitt hervorsteht, der ein Steuersystem zum Steuern der Position und Bewegung des Mantel (13) umfasst, wobei das Steuersystem zwei Potentiometer (23, 24) umfasst, die jeweils Walzen (25) aufweisen, die in jeweiligen orthogonalen Ebenen angeordnet sind, um ein elektrisches Signal an eine zentrale Steuereinheit zu übertragen, welche die Betriebsweise der Servomotoren (26, 27) zum Antreiben jeweils der ersten Gelenkverbindung (11) und der zweiten Gelenkverbindung (12) steuert, wodurch der Maschinenbediener (6), während er sich in irgendeine Richtung bewegt, den Mantel (13) in eine eindeutig definierte Richtung lenkt, die von den Drehbewegungen der zwei Potentiometer (23, 24) genau definiert ist.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Potentiometer (23, 24) ausgelegt sind, um die Bewegungsgeschwindigkeit des Maschinenbedieners zu erkennen, um so die Servomotoren (26, 27) des Gelenkarms (2, 10) zu betreiben, um der Bewegung des Maschinenbedieners zu folgen.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung ferner ein Scheinwerferelement umfasst, das eine Halogenlampe aufweist, die auf dem Endabschnitt des zweiten Armsegments (10) befestigt ist, und ermöglicht, dass die Kehrmaschine (3) auch nachts benutzt werden kann, wobei der Scheinwerfer den Arbeitsbereich von oben diffus beleuchtet.
  8. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die zwei Gelenkarmsegmente (2, 20) in zirkelähnlicher Weise geschlossen werden und von einem automatischen Sicherheitsverriegelungssystem auf der Kehrmaschine (3) festgeklemmt werden, so das die Größe der Vorrichtung in dieser Anordnung innerhalb des Umfangs der Kehrmaschine gehalten wird, wodurch die gesetzlich vorgeschriebenen maximalen Höhenwerte eingehalten werden.
  9. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung dafür ausgelegt ist, auf beiden Seiten der Kehrmaschine gleichermaßen zu arbeiten.
  10. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung ferner einen Wahlschalter umfasst, der auf einer Führerhaus-Drucktastentafel angeordnet ist und das Auswählen der Arbeitsseite ermöglicht, so dass die Systemsteuerungssoftware sämtliche Bewegungen auf der anderen Seite der Kehrmaschine verhindern kann.
  11. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Armsegmente (2, 10) automatisch drehbar angetrieben werden, und dass die Vorrichtung ferner Drehmoment einschränkende Elemente umfasst, die zusammen mit dämpfenden Gummiabschnittselementen, die auf den anderen Seiten der Arme angeordnet sind, die Vorrichtung vor versehentlichen Stößen schützen.
  12. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung eine Lagerstruktur umfasst, die mit einer Befestigungsplatte (16) lösbar verbunden ist, die wiederum durch eine Verbindungsklammer mit einem Vorderabschnitt des Kehrmaschinengehäuses (4) lösbar verbunden ist.
  13. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Lanze (5) einen Lanzengreifer (17) aufweist, in dem eine elektrische Steuerung mit On/Off-Steuerknüppel integriert ist, die dem Maschinenbediener ermöglicht, durch ein Knopfsteuerventil die Wasserdurchflussrate aus der Lanze einzustellen.
  14. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung ferner eine unabhängige elektrische Tafel umfasst, die ausgelegt ist, um die Kehrmaschine (3) anzutreiben und zu steuern, wobei die Tafel eine PLC zum Steuern der Betriebs- und Sicherheitslogikschaltungen, I/O-Karten zum Verwalten der Signale und die elektrischen Motorantriebe umfasst.
  15. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung ferner eine unabhängige Drucktastentafel umfasst, die in dem Führerhaus der Kehrmaschine angeordnet ist und die folgenden Steuerungen aufweist: On/Off-Wahlschalter; Notdrucktasten; Armausfahr- und Armeinfahr-Wahlschalter; einen Wahlschalter, um zu ermöglichen, dass die Vorrichtung entweder auf der rechten oder auf der linken Seite des Kehrmaschinen-Lastwagens arbeitet; eine Alarmtafel; eine Alarmrückstell-Drucktaste; einen On/Off-Beleuchtungswahlschalter.
  16. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung ferner die folgenden Dienste zum Betreiben der Kehrhilfsvorrichtung umfasst, die bordeigen in der Kehrmaschine (3) angeordnet sind: Elektrizität 24 V; Spannung 24 +/- 15 % Vcc; und Nutzleistung 0,85 kW zur Energieversorgung der Armmotoren, des Beleuchtungssystems und des Elektrizitätsschranks.
  17. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Sprühlanze (5) ausgelegt ist, um mit Druckwasser versorgt zu werden, das gefiltert worden ist und frei von Suspensionen ist und das einen einstellbaren Druck von 60 bis 100 Bar, einen maximalen Druck von 110 Bar und eine maximale Durchflussrate von 900 dm3/H aufweist.
  18. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung auch zum Bereitstellen einer Reinigungsfunktion gestaltet ist, mit Hilfe eines Gebläses, das einen elektrischen Motor von 24 Vcc aufweist, der mit dem Mantel (13) anstatt mit der Kehrlanze (5) verbunden ist und elektrisch von dem Mantel (13) mit Energie versorgt wird.
  19. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung ausgelegt ist, um auf einem Tanklastwagen angewendet zu werden, der große Wassermengen verfügbar hat und zum Reinigen von Straßen und Gehsteigen benutzt wird.
  20. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung ausgelegt ist, um auf einem Salzstreu-Lastwagen angewendet zu werden, um bei Schnee- und Eisbedingungen Salz auf Gehsteigen und unter geparkten Fahrzeugen zu streuen.
EP03029360A 2003-07-16 2003-12-19 Kehrhilfseinrichtung für Strassenkehrmaschinen Expired - Lifetime EP1500748B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20031459 2003-07-16
IT001459A ITMI20031459A1 (it) 2003-07-16 2003-07-16 Dispositivo agevolatore di spazzamento, applicabile in particolare a motospazzatrici utilizzate nei servizi di nettezza urbana

Publications (3)

Publication Number Publication Date
EP1500748A2 EP1500748A2 (de) 2005-01-26
EP1500748A3 EP1500748A3 (de) 2005-08-24
EP1500748B1 true EP1500748B1 (de) 2008-02-13

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EP03029360A Expired - Lifetime EP1500748B1 (de) 2003-07-16 2003-12-19 Kehrhilfseinrichtung für Strassenkehrmaschinen

Country Status (5)

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EP (1) EP1500748B1 (de)
AT (1) ATE386168T1 (de)
DE (1) DE60319077T2 (de)
ES (1) ES2301751T3 (de)
IT (1) ITMI20031459A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20120079A1 (it) * 2012-01-25 2013-07-26 Amsa S P A Societa Per Azioni Con Socio Unico Dispositivo agevolatore di spazzamento a bracci folli, particolarmente per motospazzatrici utilizzabili nei servizi di nettezza urbana.
DE102018008269A1 (de) 2018-04-13 2019-10-17 Hako Gmbh Straßenkehrmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916012A1 (de) * 1979-04-20 1980-10-30 Porsche Ag Fahrzeug zum reinigen von verparkten strassen, verkehrsflaechen o.dgl. nach dem servosaugprinzip
FR2626023B1 (fr) * 1988-01-20 1994-05-06 Euronov Dispositif multifonctionnel de nettoiement et de traitement a distance des surfaces, articles et objets situes en bordure des voies de circulation
DE4417126C2 (de) * 1994-05-16 1998-07-09 Karl Wiedemann Kanalreinigungsfahrzeug
ITMI20011832A1 (it) * 2001-08-30 2003-03-02 Amsa S P A Azienda Milanese Se Dispositivo agevolatore di spazzamento, particolarmente per motospazzatrici utilizzate nei servizi di nettezza urbana

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Publication number Publication date
ITMI20031459A1 (it) 2005-01-17
ES2301751T3 (es) 2008-07-01
DE60319077T2 (de) 2009-02-05
EP1500748A3 (de) 2005-08-24
DE60319077D1 (de) 2008-03-27
ATE386168T1 (de) 2008-03-15
EP1500748A2 (de) 2005-01-26

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