EP2201876B1 - Staubsaugerdüse - Google Patents

Staubsaugerdüse Download PDF

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Publication number
EP2201876B1
EP2201876B1 EP09356066.2A EP09356066A EP2201876B1 EP 2201876 B1 EP2201876 B1 EP 2201876B1 EP 09356066 A EP09356066 A EP 09356066A EP 2201876 B1 EP2201876 B1 EP 2201876B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
vacuum cleaner
channels
previous
opening
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.)
Not-in-force
Application number
EP09356066.2A
Other languages
English (en)
French (fr)
Other versions
EP2201876A1 (de
Inventor
Alain Soen
Sylvain Renard
Alain Aumont
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.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP2201876A1 publication Critical patent/EP2201876A1/de
Application granted granted Critical
Publication of EP2201876B1 publication Critical patent/EP2201876B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0488—Combinations or arrangements of several tools, e.g. edge cleaning tools

Definitions

  • the invention relates to a nozzle for a dust vacuum cleaner, particularly suitable for low-power vacuum cleaners whose frame is integrated in a rigid handle articulated relative to the nozzle and directly manipulated by an operator, generally called "sweeping" vacuum cleaners. It also relates to a vacuum cleaner as such comprising such a nozzle.
  • Broom vacuum cleaners for example described by the documents EP1611829 and EP0909546 , comprise a rigid handle articulated according to several degrees of freedom with respect to the nozzle placed on the ground in order to promote their manipulation. Suckers by their very nature play a vital role in the efficiency of the cleaning of the entire vacuum cleaner as they fulfill the function of extracting dust and waste from the floor to be cleaned. For vacuum cleaners that operate at low power, for flows between 9 and 15 l / s, their role is even more important than the suction power used is low.
  • the document EP1611829 discloses a particular solution in which the suction nozzle of a vacuum cleaner has a substantially rectangular shape, with a front wall in an arc to promote the displacement of the nozzle, and a particularly suitable sole for the efficient cleaning of a soil by a vacuum cleaner broom.
  • a solution has the disadvantage of not being able to easily intervene in corners or difficult to access parts.
  • the document FR2773317 describes a suction nozzle for a rectangular shaped vacuum cleaner.
  • the sole includes a suction port is a transverse channel communicating with this port.
  • the channel opens on the periphery of the soleplate by orifices
  • the object of the invention is therefore to provide a suction nozzle which allows a high efficiency and which is particularly suitable for use in a vacuum cleaner, to achieve a great cleaning performance of smooth floors such as floors with carpet .
  • the present invention is achieved with the aid of a suction nozzle comprising a sole having reliefs forming at least two transverse channels adapted to receive a suction flow, said channels being delimited by juxtaposed transverse scratching ribs, said ribs extending substantially in the transverse direction perpendicular to the direction of movement of the nozzle and being able to scrape a floor covered with carpet to facilitate the suction of waste therein.
  • the nozzle comprises a front portion of triangular shape, having a tip oriented towards the front and two edges extending rearwardly, the nozzle also having at least one lateral orifice arranged in a ridge of the part triangular suction nozzle suitable for dust extraction.
  • the nozzle comprises a channel guiding the suction flow coming from this at least one lateral orifice to one of the channels.
  • Such a side port makes it possible to capture the dust and the waste which is slid along the edge of the nozzle when the latter is moved on the ground, without having to move the nozzle to said waste.
  • This capture of waste is improved by the presence of several lateral orifices connected to a first channel parallel to the edge of the triangular portion of the nozzle, this first channel being connected to at least one of the transverse channels.
  • the scraping ribs are interrupted in their central part by a longitudinal channel, to channel the flow and therefore the dust.
  • the nozzle comprises an opening in the lower surface of the sole of the nozzle connected to at least one of the channels delimited by at least one scraping rib by at least one opening provided in the rib, the opening of the lower surface.
  • the sole of the nozzle being connected to a suction duct positioned in the upper part of the nozzle.
  • the opening of the lower surface of the soleplate of the nozzle is advantageously positioned in a rear zone of the nozzle of rectangular shape, and incorporates an automatic brush, to increase the dust removal efficiency of carpet-type floors.
  • an improvement of such a nozzle consists of a front orifice disposed at the tip of the nozzle connected by a longitudinal channel under the sole of the nozzle to an anterior opening capable of driving the dust in an anterior zone of the channel. aspiration.
  • Such a nozzle thus has a front opening to suck voluminous waste that is introduced directly into the nozzle, independently of the transverse channels.
  • the nozzle comprises a solid sole disposed behind the opening of the lower surface of the sole of the nozzle comprising strips son-son.
  • the passage of the nozzle on a floor to be cleaned allows, successively, the action of the front opening, then the scraping ribs associated with the lateral suction channels, finally tear strips son of the rear sole, the actions successive and different of these means of dedusting allowing an optimized and fast dedusting of the surfaces of the carpet type.
  • the section of at least one of the suction channels decreases from the front to the rear of the nozzle, which makes it possible to induce an acceleration of suction flows along these channels.
  • the present invention also relates to a vacuum cleaner characterized in that it comprises a nozzle according to one of the preceding features.
  • the vacuum cleaner is a vacuum cleaner, comprising a nozzle connected to a handle directly manipulated by an operator, and a motor and a waste storage device.
  • Such a nozzle is in fact well adapted to this type of vacuum cleaner, having lower flow rates than suction-type suction vacuums, the nozzle being particularly effective, even for low flow rates, the flow rate being generally between 9 and 15 l / s.
  • the figure 1 represents a vacuum cleaner 1, comprising a nozzle 2 in its lower part connected to a handle 4 by an intermediate connecting portion 3.
  • the handle 4 comprises a handle 8 at its upper end and forms a frame which comprises a battery 5, a motor 6, and a device for separating and storing waste 7, which is removable in order to be cleaned.
  • This handle 4 is articulated according to several degrees of freedom with respect to the nozzle 2 and directly manipulated by the user in the manner of a broom, in order to move the nozzle 2 on the floor to be cleaned.
  • the nozzle 2 has a particular shape comprising a tip 10 intended to be oriented towards the front and a rear transverse edge 9 at the edge of which are mounted rollers 11 to facilitate its advance.
  • the longitudinal direction x as the horizontal axis of symmetry of the nozzle passing in the center of its rear edge 9 and its tip 10, oriented from the rear to the front.
  • This axis x represents the natural direction of displacement of the nozzle.
  • y the horizontal transverse axis perpendicular to the longitudinal axis x.
  • z the vertical direction pointing upwards, perpendicular to the plane of the nozzle defined by the x and y axes.
  • the figure 2 can be seen from above the cap 22 of the nozzle which comprises a shape that can be decomposed into a triangular front portion, extending over about three quarters of the length of the nozzle, and a rear portion of substantially rectangular shape, defined by two front angles 12, 13 and two rear corners 14, 15, the junction between them forming the rear edge 9.
  • the five corners 10, 12, 13, 14, 15 are therefore sufficient to define the horizontal geometry of the nozzle.
  • the triangular front portion of the nozzle therefore comprises two ridges that extend from the front tip 10 to respectively the front corners 12, 13.
  • a suction pipe 16 of substantially circular section, visible on the figure 2 extends under the hood 22 of the nozzle, from an anterior zone 17 positioned in a central portion of the triangular portion of the nozzle to a rear zone 18 positioned in the rectangular rear portion of the nozzle.
  • This suction duct 16 extends along the median longitudinal axis of the nozzle. It is connected in its rear zone 18 to a secondary flexible tube 19, which allows to connect this substantially horizontal primary conduit 16 to the handle 4 of variable inclination, which can occupy a vertical position.
  • the secondary flexible tube 19 thus serves as an intermediate between the nozzle 2 and the handle 4, and comprises in its upper part 20 a connecting zone for receiving the rigid handle 4 of the vacuum cleaner brush.
  • the invention relates particularly to the geometry of the sole 21 of the nozzle 2, visible on the figure 4 , which is directly intended to attract dust and waste from the ground into the primary conduit 16 of the nozzle before reaching the duct of the handle 4 of the vacuum cleaner to finally be retained in the separation and storage device 7.
  • the geometry of the sole 21 of the nozzle allows two types of suction according to the selected embodiment.
  • the first type of suction is based on a vertical front orifice 25 provided in the vertical vertical flange of the sole of the nozzle, at its tip 10, as is particularly visible on the figure 3 .
  • This orifice 25 has significant dimensions to allow to suck waste or large dust by simply approaching the tip 10 of the nozzle in their vicinity.
  • the orifice 25 leads to a longitudinal longitudinal channel 26 of short length, arranged in the sole of the nozzle, which opens at the top on the anterior zone 17 of the suction duct 16.
  • This anterior channel 26 is an open channel downwards formed by a perforated portion of the sole of the nozzle.
  • a flow of air travels at high speed driving the waste from the ground to the suction duct 16, which is arranged in the upper part of the nozzle and which is a tubular conduit, except for connecting openings 67, 68.
  • This anterior open channel 26 and the tubular suction duct 16 of the nozzle is made via the front opening 33 of the sole of the nozzle, substantially vertical, particularly visible on the figure 7 , arranged between a substantially horizontal plate 28 forming a solid lower surface of the sole at the triangular portion of the nozzle and the upper wall of the conduit 16.
  • This plate 28 has a triangular shape whose tip 29 is positioned in front of the orifice 25 and whose edges which extend rearwardly are parallel to the edges of the triangular portion of the nozzle.
  • the vertical opening 33 delimited by this plate, extends from the point 29 to two points 30, 31, positioned in the front part of these edges.
  • the second type of aspiration rests on lateral orifices 35 arranged within the two lateral edges of the anterior triangular part of the nozzle, which is particularly visible on the figure 6 .
  • the most advanced orifice 35 is at the rear portion of the front opening 33, at the rear ends 30, 31 of this opening.
  • two other lateral orifices are arranged around the central zone of these ridges, in order to obtain a homogeneous distribution of these lateral orifices, visible on the figures 4 and 5 , and allow the greatest chance of suction of small dust positioned near the nozzle.
  • transverse channels 37 open, arranged by reliefs in the lower surface of the sole of the nozzle. These channels 37 are delimited by four ribs 38, 38 'transverse. Each transverse channel interconnects the two lateral channels 36, in a rounded junction favoring the acute angle turn of the air flows coming from these lateral channels 36 towards the transverse channels 37.
  • the three most advanced transverse ribs 38 are interrupted in their central part for the passage of a longitudinal central channel 39.
  • the most retracted rib 38 'comprises five openings 41, including a central opening aligned with the longitudinal central channel 39.
  • this last rib 38 ' is a rectangular horizontal opening 40 extending within a rear plate 42 defining a substantially horizontal solid portion at the rear of the nozzle facilitating its movement.
  • This solid plate 42 substantially occupies the rectangular rear surface of the nozzle.
  • transverse ribs 38, 38 ' which are perpendicular to the direction of movement of the nozzle, serve not only to delimit the transverse channels 37 but also to be able to scrape a floor covered for example with a carpet, in order to lift the dust and other wastes therein to facilitate their aspiration through the various open channels disposed within the sole of the nozzle. They thus fulfill a second technical function of pull-son and / or dust-lift and they have for this a sufficient dimension, including a downward extension allowing them to get close enough to the ground.
  • these ribs 38, 38 'could have another shape, another slightly inclined orientation with respect to the transverse axis y, more or less 30 degrees for example, or more generally having a transverse component perpendicular to the direction of displacement of the nozzle.
  • the number of these ribs can also vary.
  • These ribs 38, 38 'could be at a different location than the relatively centered one of the illustrated embodiment.
  • This dual function performed by the ribs 38, 38 'delimiting a flow channel 37 and scraping the soil has the advantage of reducing the space under the lower surface of the nozzle.
  • An automatic brush 43 set in motion by an electric motor 46, is disposed within the rectangular opening 40. This electrobrush can lift dust, son or waste on a carpet, etc., to better suck. Finally, in the rear portion of the plate 42 of the nozzle are arranged grooved areas or tear strips 44 intended to promote the lifting of dust and especially fibers.
  • the horizontal opening 40 of the sole of the nozzle opens on a conical duct converging towards the suction duct 16 of the nozzle, at its rear area 18.
  • a deflector 45 particularly visible on the figure 7 , can direct the inflow through this rear opening 40 parallel to the axis of the suction duct 16 to avoid collision with the flow from the front opening 33, from the front portion 17 of the duct suction 16 generated by the first type of suction.
  • the lateral orifices 35 of the triangular portion of the nozzle allow the suction of the dust disposed around the nozzle, not directly disposed in the path of the tip 10 of the nozzle. After entering through these orifices, the dust is entrained by a suction flow firstly traversing the lateral surface channels 36 and then the transverse channels 37. Finally, these flows converge towards the rear horizontal opening 40, through one of the openings 41 of the last rib 38 ', possibly by the central longitudinal channel 39, to go up in the tubular suction duct 16 and then in the handle 4.
  • the different channels receiving the suction flows from the lateral orifices 35 to the rear opening 40 have a geometry such that their passage section decreases, so as to induce an acceleration of these flows and to promote the drive all dust and / or waste.
  • this nozzle may, for example, have a completely triangular shape, or even a shape in which the rectangular part is predominant, or even a substantially rectangular shape.
  • the various channels open down below the bottom surface of the sole could have other shapes by any type of relief, other numbers, without departing from the scope of the invention.
  • the invention has been illustrated in the context of an implementation with two types of suction by two different orifices leading to the same suction duct. However, it could be simplified in a variant not shown with a single suction port, the front orifice being for example removed.
  • the nozzle of the invention is particularly suitable for use in a vacuum cleaner, it could also be suitable for any other use in any type of vacuum cleaner.

Claims (12)

  1. Düse (2) für Staubsauger (1) mit einer Sohle (21), die Reliefs aufweist, die zumindest zwei quer verlaufende Kanäle (37) bilden, die eine Saugströmung aufnehmen können, wobei die genannten Kanäle (37) durch nebeneinander quer verlaufende Schaberippen (38) begrenzt werden, die sich im Wesentlichen in der senkrecht zur Bewegungsrichtung der Düse verlaufenden Querrichtung (y) erstrecken und über einen mit einem Teppichboden ausgelegten Boden schaben können, um das Aufsaugen des sich darauf befindlichen Schmutz zu erleichtern, dadurch gekennzeichnet, dass die Düse (2) einen vorderen Teil in dreieckiger Form umfasst, der eine Spitze (10), die nach vorne ausgerichtet ist, und zwei Kanten (10-12; 10-13) aufweist, die nach hinten verlaufen, und dass sie zumindest eine seitliche Öffnung (35) aufweist, die in einer Kante (10-12; 10-13) des dreieckigen Teils der Düse zum Aufsaugen von Staub ausgebildet ist.
  2. Düse (2) für Staubsauger (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass sie einen Kanal umfasst, der die aus der zumindest einen seitlichen Öffnung (35) kommende Saugströmung bis zu einem der Kanäle (37) leitet.
  3. Düse (2) für Staubsauger (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass sie mehrere seitliche Öffnungen (35) umfasst, die mit einem ersten, parallel zur Kante des dreieckigen Teils der Düse verlaufenden Kanal (36) verbunden sind, wobei dieser erste Kanal (36) mit zumindest einem der quer verlaufenden Kanäle (37) verbunden ist.
  4. Düse (2) für Staubsauger (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schaberippen in ihrem mittleren Teil durch einen längs verlaufenden Kanal (39) unterbrochen sind.
  5. Düse (2) für Staubsauger (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Öffnung (40) in der Unterseite der Sohle (21) der Düse umfasst, die mit zumindest einem der Kanäle (37) verbunden ist, der von zumindest einer Schaberippe (38') durch zumindest eine in der Rippe (38') vorgesehene Öffnung (41) begrenzt ist, wobei die Öffnung (40) der Unterseite der Sohle (21) der Düse mit einer in dem oberen Teil der Düse angeordneten Saugleitung (16) verbunden ist.
  6. Düse (2) für Staubsauger (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Öffnung (40) der Unterseite der Sohle (21) der Düse in einem hinteren Bereich mit rechteckiger Form der Düse angeordnet ist und eine automatische Bürste (43) aufnimmt.
  7. Düse (2) für Staubsauger (1) nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass sie eine vordere Öffnung (25) umfasst, die sich an der Spitze (10) der Düse befindet und durch einen Kanal (26), der längs unter der Sohle der Düse (2) zu einer vorderen Öffnung (33) verläuft, verbunden ist, die den Staub in einen vorderen Bereich (17) des Saugkanals (16) leiten kann.
  8. Düse (2) für Staubsauger (1) nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass sie eine Vollsohle (42) umfasst, die sich hinter der Öffnung (40) der Unterseite der Sohle (21) der Düse befindet und Fadenaufnehmerstreifen (44) umfasst.
  9. Düse (2) für Staubsauger (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Querschnitt von zumindest einem der Saugkanäle (36, 37, 39) von der Vorderseite zur Rückseite der Düse abnimmt, um die diesen Kanälen folgende Saugströmung zu beschleunigen.
  10. Staubsauger (1), dadurch gekennzeichnet, dass er eine Düse (2) nach einem der vorhergehenden Ansprüche umfasst.
  11. Staubsauger (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass es sich um einen Stielstaubsauger handelt, der eine Düse (2), die mit einem direkt vom Bediener zu handhabenden Stiel (4) verbunden ist, sowie einen Motor (6) und eine Vorrichtung (7) zur Sammlung des Schmutzes umfasst.
  12. Staubsauger (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass er mit geringer Leistung für Luftmengen von 9 bis 15 l/s funktioniert.
EP09356066.2A 2008-12-19 2009-12-16 Staubsaugerdüse Not-in-force EP2201876B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0807244A FR2940035B1 (fr) 2008-12-19 2008-12-19 Suceur d'aspirateur

Publications (2)

Publication Number Publication Date
EP2201876A1 EP2201876A1 (de) 2010-06-30
EP2201876B1 true EP2201876B1 (de) 2016-06-15

Family

ID=40823261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09356066.2A Not-in-force EP2201876B1 (de) 2008-12-19 2009-12-16 Staubsaugerdüse

Country Status (5)

Country Link
EP (1) EP2201876B1 (de)
CN (1) CN101744571B (de)
ES (1) ES2584906T3 (de)
FR (1) FR2940035B1 (de)
PT (1) PT2201876T (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2980353B1 (fr) * 2011-09-28 2013-10-25 Seb Sa Suceur d'aspirateur
CN106793897B (zh) * 2014-08-29 2020-06-12 阿尔弗雷德·卡赫欧洲两合公司 抽吸嘴和硬质面抽吸设备
DE102015105061B4 (de) * 2015-04-01 2022-03-24 Vorwerk & Co. Interholding Gmbh Reinigungsgerät
FR3047161B1 (fr) * 2016-02-02 2018-01-26 Seb S.A. Nettoyeur vapeur
FR3080016B1 (fr) * 2018-04-17 2020-03-13 Seb S.A. Suceur d'aspirateur equipe d'un canal d'aspiration principal et d'un canal d'aspiration secondaire

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773455A1 (fr) * 1998-01-14 1999-07-16 Seb Sa Patins de glissement pour appareil electromenager

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH230893A (de) * 1943-08-20 1944-02-15 Ley Albert Staubsaugermundstück.
US2554238A (en) * 1948-06-23 1951-05-22 William F Burri Nozzle attachment for vacuum cleaners
DE2602969A1 (de) * 1975-05-02 1977-07-28 Siemens Ag Polsterduese fuer staubsauger
US5347679A (en) * 1993-01-07 1994-09-20 Royal Appliance Mfg. Co. Stick type vacuum cleaner
FR2773317B1 (fr) * 1998-01-08 2000-03-31 Olivier Ets Georges Suceur d'aspirateur
DE19830737C2 (de) * 1998-07-09 2002-03-07 Wap Reinigungssysteme Verfahren und Vorrichtung zur Steuerung eines Sauggerätes mit einer Turbine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773455A1 (fr) * 1998-01-14 1999-07-16 Seb Sa Patins de glissement pour appareil electromenager

Also Published As

Publication number Publication date
PT2201876T (pt) 2016-08-17
FR2940035B1 (fr) 2012-11-16
EP2201876A1 (de) 2010-06-30
FR2940035A1 (fr) 2010-06-25
CN101744571B (zh) 2014-09-24
ES2584906T3 (es) 2016-09-30
CN101744571A (zh) 2010-06-23

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