EP2754137A1 - Vorrichtung zum mobilen erkennen eines dokumentes - Google Patents
Vorrichtung zum mobilen erkennen eines dokumentesInfo
- Publication number
- EP2754137A1 EP2754137A1 EP12753476.6A EP12753476A EP2754137A1 EP 2754137 A1 EP2754137 A1 EP 2754137A1 EP 12753476 A EP12753476 A EP 12753476A EP 2754137 A1 EP2754137 A1 EP 2754137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- document
- security feature
- wavelength
- recording
- 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
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
- G07D7/1205—Testing spectral properties
Definitions
- the present invention relates to the field of document recognition.
- Modern documents such as identification documents, driving licenses,
- Wavelength conversion properties can be excited using a LED light (LED: Light Emitting Device) for the purpose of document recognition.
- LED Light Emitting Device
- such a security feature In response to this excitation, such a security feature emits light having a wavelength spectrum different from a wavelength spectrum of the exciting LED light. This difference can be recorded and evaluated for document recognition.
- a security feature exhibiting wavelength conversion properties may include, for example, siliceous pigments, especially silicate phosphorous pigments, silicate, sulfide, nitride, YAG, TAG, thiogallate phosphorous pigments added to a printing ink.
- Such a security feature emits a color-shifted light spectrum responsive to blue light excitation at the wavelength of about 400 nm, which may include, for example, green, yellow, orange, and / or red light.
- an LED whose light emission spectrum comprises blue light in a wavelength range between 390 nm and 470 nm. The document recognition can therefore be performed by means of an ordinary smartphone equipped with an LED flash unit.
- the invention relates to a device for detecting a document having a security feature with wavelength conversion properties, with a light generating device, which is designed to illuminate the security feature for emitting light with excitation light, an image pickup device, which is formed by a receive the security feature in response to the excitation light emitted light to obtain an emission recording.
- the image pickup device is configured to receive light emitted by the security feature in response to a reference light to obtain a reference pickup.
- the apparatus further includes a processor configured to detect the document based on the emission pickup and the reference pickup.
- the processor can be designed to execute a program for document recognition.
- the program may be stored in executable or compilable form in memory accessible to the processor.
- the processor can be hard-wired and thus be set up by hardware technology to carry out the document recognition.
- the hardwiring can be realized for example by means of an application-specific integrated circuit.
- the document can be one of the following documents, with or without electronics:
- Identity document such as identity card, passport, access control card,
- Authorization card company card or credit card, tax stamp or ticket, birth certificate, driver's license or vehicle passport, banknote, check,
- Postage stamp or another means of payment, such as a bank card or
- the document can be single-layered or multi-layered or paper and / or plastic-based.
- the document can be constructed of plastic-based films, which can be used for a
- Card body are joined together by means of gluing and / or lamination, wherein the films preferably have similar material properties.
- the excitation light may comprise or be blue light in a wavelength range from 390 to 470 nm, preferably in a wavelength range between 430 and 460 nm.
- the light-generating device can comprise an LED for generating continuous light or flash light or pulsed light.
- the security feature In response to the excitation with the excitation light, the security feature is excited to emit light. Due to the wavelength conversion properties of the
- the emission recording thus contains information about an emitted by the security feature in response to the excitation light
- the reference receptacle includes information about a reference wavelength spectrum that is emissive by the security feature in response to the reference light.
- the processor can, for example, compare the emission recording with the reference recording in order, for example, to check the authenticity of the document.
- Wavelengths can be used for comparison.
- the light generating device is designed to illuminate the document with a predetermined number of light pulses in order to illuminate the security feature with the excitation light.
- the light pulses can be generated, for example, with a pulse duration and / or with a pulse interval of 0.05 ms to 100 ms, in particular of 0.5 ms to 10 ms. In this case, for example, two, three or more light pulses can be generated.
- the light-generating device is designed to generate the number of light pulses with a light pulse spacing which lies in a predetermined light pulse distance range.
- the light pulse distance range may be, for example, between 0.5 ms and 10 ms.
- the image recording device is designed to record the respective image within a recording shutter time, wherein each light pulse of the number of light pulses may have a duration which is shorter than that
- Absorption time is.
- the light generating means may be configured to generate the number of pulses within the shot shutter time.
- the absorption time is, for example, by a closure system of
- the recording shutter time is the recording shutter time in which the shutter system is open, for example, to apply light to a color image sensor of the image recording device.
- the absorption time can for example be in the range of 0.05 ms to 100 ms, in particular from 10 ms to 50 ms, in particular at 33 ms.
- the reference light is white light, in particular daylight.
- the light generating device may be formed, the
- the light generating device To generate reference light.
- the light generating device during the
- Reference recording generate continuous light or reference light pulses.
- continuous light denotes a continuous illumination of the security feature during a recording time, for example during the aforementioned
- the processor is configured to compare the emission recording with the reference recording in order to obtain a comparison result and by that
- the reference light has a predetermined wavelength.
- the processor is configured to have a wavelength difference between the predetermined wavelength and at least one wavelength of the emission light or a temporal
- Wavelength profile of the emission light with respect to the predetermined wavelength in particular a time course of a wavelength amplitude or
- the temporal wavelength profile of the emission light can be obtained, for example, by a plurality of images. From this, for example, a temporal decay behavior of the emission wavelengths or the wavelength amplitudes with a temporal
- the processor is configured to compare the comparison result with a prestored comparison reference in order to recognize the document.
- the device comprises a transceiver unit which is designed to record the emission or reference recording or a comparison result
- the prestored comparison reference may indicate how a comparison should be made between the reference shot and an emission shot of a light emitted by a true or by a fake security feature. If the results of the comparison match, it is thus possible to conclude that the security feature and thus the document are authentic or falsified.
- the device is a mobile communication device, in particular a smartphone, wherein the light generating device is an LED flash unit of the mobile communication device and wherein the image pickup device is a digital camera of the mobile communication device.
- the light generating device is an LED flash unit of the mobile communication device
- the image pickup device is a digital camera of the mobile communication device.
- Wavelength range comprising a silicate compound of a light conversion safety feature, i. Wavelength conversion, can stimulate.
- the device comprises a control device for activating the light-generating device in order to generate excitation light and / or reference light.
- the control device can be set up in terms of programming and, for example, be designed to execute a computer program that can be an application software (APP).
- APP application software
- the device is set up by programming.
- the processor is designed to execute a program which implements the features of the processor.
- the program may be stored in a memory of the device in executable form or in a compilable form.
- the invention relates to a method for detecting a
- Document which is a security feature with wavelength conversion properties comprising illuminating the security feature with excitation light, receiving light emitted by the security feature in response to the excitation light to obtain emission capture, receiving light emitted by the security feature in response to a reference light to obtain reference capture, and detecting the document the basis of the emission intake and the reference intake.
- the method can be carried out, for example, by means of the aforementioned device.
- the recording steps may be performed by the image pickup device.
- the step of recognizing the document may be performed by the processor.
- the invention relates to a computer program with a
- the computer program may be implemented as an APP.
- the invention relates to a program-technically configured device which is designed to execute the computer program with a program code for carrying out the method according to the invention for recognizing a document.
- the invention relates to a signal sequence, in particular a signal sequence which can be transmitted via a communication network, such as the Internet, which data
- the invention relates to a document of the aforementioned type with a security feature comprising a printing ink having wavelength-converting pigments, in particular silicate phosphor pigments, silicate, sulfide, nitride, YAG, TAG, thiogallate phosphorous pigments, includes.
- a printing ink having wavelength-converting pigments, in particular silicate phosphor pigments, silicate, sulfide, nitride, YAG, TAG, thiogallate phosphorous pigments
- FIG. 1 is a block diagram of an apparatus for recognizing a document according to an embodiment
- FIG. 2 is a diagram of a method for recognizing a document according to a
- Fig. 1 shows a block diagram of a document recognition apparatus 100 having a security feature with wavelength conversion characteristics.
- the device 100 comprises a light generating device 101, which generates excitation light for exciting the document not shown in FIG.
- the apparatus 100 further comprises an image pickup device 103, for example a digital camera, which picks up the light emitted by the security feature in response to the excitation from the excitation light, thereby obtaining an emission pickup.
- an image pickup device 103 for example a digital camera, which picks up the light emitted by the security feature in response to the excitation from the excitation light, thereby obtaining an emission pickup.
- the image pickup device 103 is configured to receive light emitted by the security feature in response to a reference light to obtain a reference pickup.
- the reference light may be, for example, white light, in particular daylight, or continuous light. According to one embodiment, the reference light may be replaced by the
- Light generating device 101 are generated.
- the apparatus 100 further comprises a processor 105, which is provided
- Communication device in particular a smartphone, or one with a
- an image pickup device such as a digital camera, equipped portable computer.
- Communication devices can, for example, by means of software, in particular by means of an APP, for the detection of documents, which wavelength-converting
- the light generating device can be designed, for example, a flash unit based on an HP LED (High Power Light Emitting Diode) or an HB LED (High Brightness LED).
- HP LED High Power Light Emitting Diode
- HB LED High Brightness LED
- Such LEDs emit light of the color blue in a wavelength range of 390 to 470 nm, in particular in a wavelength range of 430 to 460 nm and can be present for example in the form of an LED chip.
- conversion phosphors in printing inks which can also be used for the production of white light emitting LEDs, are excited.
- the conversion phosphors may be in the form of pigments added to an ink.
- the pigments can be excited by means of an LED flash and then emit a wavelength spectrum which differs from an excitation spectrum.
- the wavelength-converting pigments are thus excited in the color and cause a color shift of the color.
- Color shift is detectable, for example, as a wavelength shift with respect to a wavelength of the excitation light.
- This wavelength shift can be used for document recognition, in particular for recognizing the authenticity of a document, even using a smartphone.
- a light emission spectrum, i. Color the security feature when excited using an LED flash and without any excitation by the LED flash, for example, in daylight, are detected.
- Light emission spectrum of the security feature can be compared with a stored for example in a database color space.
- the database can be in one
- the database may be stored on a remote server to which the device communicates, for example via a communication network.
- the security feature includes, for example, conversion phosphors
- light pulses defined by the light generating device 101 for example by means of an LED flash unit of a smartphone, can be combined with a light pulse Pulse duration and a pulse interval of 0.05 ms to 100 ms, in particular from 0.5 ms to 10 ms are generated.
- a light pulse of 30 ms to continuous light can be generated.
- the image pickup device 103 may include a color image sensor, such as a CCD sensor or a CMOS sensor or a FOVEON sensor, and may include a shutter, a global shutter, and a rolling shutter, which includes a
- Shutter speed in a range of 0.05 ms to 100 ms, in particular from 10 ms to 50 ms, in particular in a range of 330 ms.
- the document in particular the security feature, for example, twice recorded by the image pickup device 103, in particular photographed.
- the light-generating device 101 can be designed to generate at least two individual flashes during a recording closure time during the first recording in order to illuminate the document.
- the light generating device 101 may further be formed, in the second photograph, the document during the entire recording shutter time of the shutter system, i. by means of continuous light, to illuminate.
- the order of the shots or the order of the above-described light excitation patterns may be reversed.
- At least two successive recordings are made, wherein a time interval in the range from 0.05 ms to 100 ms, in particular from 30 ms to 300 ms, can be set between the first recording and the second recording.
- a time interval in the range from 0.05 ms to 100 ms, in particular from 30 ms to 300 ms, can be set between the first recording and the second recording.
- one of the recordings as a reference recording and the other recording as
- Emission recording can be used for document recognition.
- the document comprises at least one security feature with the luminescence properties described above
- a specific spectral and / or temporal emission pattern is effected on account of the specific temporal and / or spectral excitation and decay characteristics of the security feature.
- one of the recordings described above can be used as a reference recording.
- the device 100 uses both recordings for a comparison, which can be carried out by means of an application program running on the processor 105, for example for the authenticity check of the document.
- the verification result of the authenticity check of the document can, for example, on a Display device of the device 100, for example, on a display, visualized or acoustically signaled.
- the device comprises a memory with a database in which a comparison reference is stored. On the basis of the first and second
- a comparison result is determined, which can be compared with the comparison reference for document recognition stored in the database.
- predetermined criteria can be used, for example, the authenticity of the
- the result of the authenticity check can be visualized or acoustically signaled on a display of the device.
- the apparatus 100 may include
- the application program may further include the image pickup device 103 with the
- Synchronize light generating device to receive the respective recording.
- the first recording, the second recording and / or the comparison result can be transmitted via, for example, a secure wireless connection via a
- the verification center can carry out the document recognition, for example the authenticity check, and the
- the device may then display the verification result on a display.
- the device can be set up to communicate in accordance with at least one of the aforementioned standards: ISM, Edge, UMTS, LTL, SMS; Bluetooth, WLAN, WMAX, femtocell or NFC. Sending the recordings and / or the
- a comparison result the reception of the result of the document recognition and the display of the result on a display or the processing of the data to be displayed can be performed by means of one or the aforementioned application program.
- Fig. 2 shows a flowchart of a method for recognizing a document having a security feature with wavelength conversion properties.
- the method includes illuminating 201 the security feature with excitation light, capturing 203 a light emitted by the security feature in response to the excitation light to obtain an emission capture, capturing 205 one by the security feature in response to a reference light emitted light to obtain a reference recording, and the recognition 207 of the document based on the emission recording and the reference recording.
- the recording steps 103, 205 can be performed in any order.
- the method illustrated in FIG. 2 can be realized, for example, by means of an application program which activates the devices of the device illustrated in FIG. 1, which may be a smartphone. Further method steps therefore arise directly from the functionality of the device 100 shown in FIG.
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011082174A DE102011082174A1 (de) | 2011-09-06 | 2011-09-06 | Vorrichtung zum mobilen Erkennen eines Dokumentes |
| PCT/EP2012/066746 WO2013034471A1 (de) | 2011-09-06 | 2012-08-29 | Vorrichtung zum mobilen erkennen eines dokumentes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2754137A1 true EP2754137A1 (de) | 2014-07-16 |
| EP2754137B1 EP2754137B1 (de) | 2016-11-02 |
Family
ID=46763084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12753476.6A Revoked EP2754137B1 (de) | 2011-09-06 | 2012-08-29 | Vorrichtung zum mobilen erkennen eines dokumentes |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2754137B1 (de) |
| CN (1) | CN103797521B (de) |
| DE (1) | DE102011082174A1 (de) |
| WO (1) | WO2013034471A1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014207323B4 (de) | 2014-04-16 | 2018-08-16 | Koenig & Bauer Ag | Verfahren zur Identifikation eines Gegenstandes |
| DE102014207318B4 (de) | 2014-04-16 | 2022-03-31 | Koenig & Bauer Ag | Identifikationsmerkmal mit mehreren in einer definiert begrenzten Fläche angeordneten Identifikationselementen zur Identifikation eines Gegenstandes |
| DE102015219400B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Verfahren zur Prüfung der Identität und/oder Echtheit eines Gegenstandes |
| DE102015219395B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Identifikationsmerkmal mit mindestens zwei in einer definiert begrenzten Fläche angeordneten Identifikationselementen zur Identifikation eines Gegenstandes |
| WO2017060123A1 (de) | 2015-10-07 | 2017-04-13 | Koenig & Bauer Ag | Identifikationsmerkmal zur identifikation eines gegenstandes |
| DE102015219392B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Identifikationsmerkmal mit mehreren in einer definiert begrenzten Fläche angeordneten Identifikationselementen zur Identifikation eines Gegenstandes |
| DE102015219394B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Identifikationsmerkmal zur Identifikation eines Gegenstandes |
| DE102015219396B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Gegenstand mit einem zu seiner Identifikation angeordneten Identifikationsmerkmal |
| DE102015219388B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Verfahren zur Produktionskontrolle von mit einer Druckmaschine auf einen Bedruckstoff oder Gegenstand gedruckten Identifikationsmerkmalen |
| DE102015219399B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Identifikationsmerkmal zur Identifikation eines Gegenstandes |
| DE102015219385A1 (de) | 2015-10-07 | 2017-04-13 | Koenig & Bauer Ag | Verfahren zur Ausbildung mindestens eines Identifikationsmerkmals mit einer Druckmaschine |
| DE102015219393B4 (de) | 2015-10-07 | 2019-01-17 | Koenig & Bauer Ag | Verfahren zur Identifikation eines Gegenstandes |
| DE102015219397B4 (de) | 2015-10-07 | 2025-03-20 | Koenig & Bauer Ag | Gegenstand mit einem zu seiner Identifikation angeordneten Identifikationsmerkmal |
| CN107680248B (zh) * | 2017-10-13 | 2019-09-20 | 深圳怡化电脑股份有限公司 | 一种纸币面向的识别方法和装置 |
| DE102018102015A1 (de) | 2018-01-30 | 2019-08-01 | Bundesdruckerei Gmbh | Verfahren zur Verifikationsprüfung eines Sicherheitsdokuments mit einem gedruckten Sicherheitsmerkmal, Sicherheitsmerkmal und Anordnung zur Verifikation |
| DE102018109141A1 (de) * | 2018-04-17 | 2019-10-17 | Bundesdruckerei Gmbh | Smartphone verifizierbares, leuchtstoffbasiertes Sicherheitsmerkmal und Anordnung zur VerifizierungSmartphone verifizierbares, leuchtstoffbasiertes Sicherheitsmerkmal und Anordnung zur Verifizierung |
| DE102018109142A1 (de) | 2018-04-17 | 2019-10-17 | Bundesdruckerei Gmbh | Verfahren zur Verifikation eines leuchtstoffbasierten Sicherheitsmerkmals |
| DE102019110777A1 (de) * | 2019-04-25 | 2020-10-29 | KM Innopat GmbH | Authentifikationssystem und Verfahren zur Authentifikation eines Objekts |
| DE102019121798A1 (de) * | 2019-08-13 | 2021-02-18 | Bundesdruckerei Gmbh | Mobiles Bildverarbeitungsgerät zum Erfassen einer Abbildung eines Dokumentes |
| DE102020102204A1 (de) | 2020-01-30 | 2021-08-05 | Bundesdruckerei Gmbh | Endgerät und Verfahren zum Ermitteln von personenbezogenen Daten anhand eines Ausweisdokumentes |
| DE102020104115A1 (de) | 2020-02-17 | 2021-08-19 | Bundesdruckerei Gmbh | Verfahren zum Überprüfen eines smartphone-verifizierbaren Sicherheitsmerkmals, Smartphone-verifizierbares Sicherheitsmerkmal und Wert- oder Sicherheitsdokument |
| GB202017778D0 (en) * | 2020-11-11 | 2020-12-23 | Security Fibres Uk Ltd | Authentication of security documents |
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| US6035914A (en) | 1993-10-22 | 2000-03-14 | Martin Marietta Energy Systems Inc. | Counterfeit-resistant materials and a method and apparatus for authenticating materials |
| WO1995019019A2 (en) * | 1994-01-04 | 1995-07-13 | Mars, Incorporated | Detection of counterfeits objects, for instance counterfeits banknotes |
| US5719948A (en) | 1994-06-24 | 1998-02-17 | Angstrom Technologies, Inc. | Apparatus and methods for fluorescent imaging and optical character reading |
| DE19651101A1 (de) | 1996-12-09 | 1998-06-10 | Giesecke & Devrient Gmbh | Vorrichtung und Verfahren zur Detektion von fluoreszentem und phosphoreszentem Licht |
| KR100436939B1 (ko) | 1999-02-04 | 2004-06-23 | 오브체스토브 에스 오르가니첸노이 오트베트스트벤노스티쥬 퍼마 "데이타 센터" | 지폐의 신빙성과 금액 및 손상도를 결정하는 방법과 지폐분류 및 계수장치 |
| FR2801125B1 (fr) * | 1999-11-17 | 2002-02-22 | Montage Et Cablage Electroniqu | Appareil et procede pour verifier l'authenticite de documents, par exemple des billets de banque ou des cheques |
| DE19958048A1 (de) | 1999-12-03 | 2001-06-07 | Giesecke & Devrient Gmbh | Vorrichtung und Verfahren zur Echtheitsprüfung von Banknoten |
| EP1168253A1 (de) | 2000-06-28 | 2002-01-02 | Sicpa Holding S.A. | Gebrauch einer Kommunikationsausrüstung und Verfahren für das Beglaubigen eines Gegenstands, speziell von Dokumenten, insbesondere von Sicherheitsdokumenten, Kommunikationsausrüstung für das Beglaubigen von Gegenständen und durch die Kommunikationsausrüstung zu beglaubigende Gegenstände |
| CA2375577C (en) | 2002-03-07 | 2006-05-02 | Canadian Bank Note Company, Limited | Optoelectronic document reader for reading uv / ir visible indicia |
| DE10212734B4 (de) * | 2002-03-21 | 2022-06-02 | Accu-Sort Systems, Inc. | Verfahren und Vorrichtung zur Identifikation und Authentifikation eines Gegenstandes |
| US20050100204A1 (en) * | 2003-11-06 | 2005-05-12 | Spectra Systems Corporation | Method and apparatus for detecting fluorescent particles contained in a substrate |
| JP4603271B2 (ja) | 2004-01-28 | 2010-12-22 | 日本電気株式会社 | 画像入力装置 |
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| WO2009158324A1 (en) * | 2008-06-23 | 2009-12-30 | Graphic Security Systems Corporation | Object authentication using a programmable image acquisition device |
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2011
- 2011-09-06 DE DE102011082174A patent/DE102011082174A1/de not_active Withdrawn
-
2012
- 2012-08-29 CN CN201280042617.9A patent/CN103797521B/zh not_active Expired - Fee Related
- 2012-08-29 WO PCT/EP2012/066746 patent/WO2013034471A1/de not_active Ceased
- 2012-08-29 EP EP12753476.6A patent/EP2754137B1/de not_active Revoked
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013034471A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011082174A1 (de) | 2013-03-07 |
| CN103797521A (zh) | 2014-05-14 |
| WO2013034471A1 (de) | 2013-03-14 |
| CN103797521B (zh) | 2017-07-18 |
| EP2754137B1 (de) | 2016-11-02 |
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