ATE381760T1 - Verfahren und gerät zur verhinderung der unberechtigten benutzung von multimediainhalt - Google Patents

Verfahren und gerät zur verhinderung der unberechtigten benutzung von multimediainhalt

Info

Publication number
ATE381760T1
ATE381760T1 AT00107258T AT00107258T ATE381760T1 AT E381760 T1 ATE381760 T1 AT E381760T1 AT 00107258 T AT00107258 T AT 00107258T AT 00107258 T AT00107258 T AT 00107258T AT E381760 T1 ATE381760 T1 AT E381760T1
Authority
AT
Austria
Prior art keywords
rights
original
multimedia content
item
content
Prior art date
Application number
AT00107258T
Other languages
English (en)
Inventor
Carsten Herpel
Ulrich Schreiber
Andreas Aust
Johannes Boehm
Original Assignee
Thomson Brandt 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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Application granted granted Critical
Publication of ATE381760T1 publication Critical patent/ATE381760T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00507Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0071Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00789Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of functional copies, which can be accessed at a time, e.g. electronic bookshelf concept, virtual library, video rentals or check-in/check out
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/70Media network packetisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2111Location-sensitive, e.g. geographical location, GPS
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2141Access rights, e.g. capability lists, access control lists, access tables, access matrices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2143Clearing memory, e.g. to prevent the data from being stolen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/102Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measure for e-commerce
AT00107258T 1999-04-16 2000-04-03 Verfahren und gerät zur verhinderung der unberechtigten benutzung von multimediainhalt ATE381760T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99107643 1999-04-16
EP99108640A EP1045388A1 (de) 1999-04-16 1999-05-12 Verfahren und Gerät zur Verhinderung der unberechtigten Benutzung von Multimediainhalt

Publications (1)

Publication Number Publication Date
ATE381760T1 true ATE381760T1 (de) 2008-01-15

Family

ID=26152971

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00107258T ATE381760T1 (de) 1999-04-16 2000-04-03 Verfahren und gerät zur verhinderung der unberechtigten benutzung von multimediainhalt

Country Status (11)

Country Link
EP (1) EP1045388A1 (de)
JP (1) JP4674933B2 (de)
KR (1) KR100688312B1 (de)
CN (1) CN1192380C (de)
AT (1) ATE381760T1 (de)
DE (1) DE60037476T2 (de)
ES (1) ES2298105T3 (de)
HK (1) HK1034137A1 (de)
ID (1) ID25574A (de)
MY (1) MY138374A (de)
PL (1) PL339692A1 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7346580B2 (en) * 1998-08-13 2008-03-18 International Business Machines Corporation Method and system of preventing unauthorized rerecording of multimedia content
GB2359696A (en) * 1999-10-26 2001-08-29 Michael James Gill Obtaining licenses in order to retrieve music via a radio signal from back catalogues held at broadcasting stations and playing on radio receiving devices
KR20020008494A (ko) * 2000-07-20 2002-01-31 승흥찬 고밀도 알파디스크 및 이를 이용한 인터넷에서의 비디오대여 방법
US7099849B1 (en) * 2000-12-28 2006-08-29 Rightsline, Inc. Integrated media management and rights distribution apparatus
US7092953B1 (en) 2000-12-28 2006-08-15 Rightlsline, Inc. Apparatus and methods for intellectual property database navigation
KR100386238B1 (ko) * 2001-01-19 2003-06-02 엘지전자 주식회사 디지탈 오디오 복제 방지장치 및 방법
KR100406630B1 (ko) * 2001-03-13 2003-11-20 엘지전자 주식회사 데모용 데이터의 기록 및 재생방법과, 그에 따른 기록매체
KR20020083851A (ko) * 2001-04-30 2002-11-04 주식회사 마크애니 디지털 컨텐츠의 보호 및 관리를 위한 방법 및 이를이용한 시스템
US6876984B2 (en) * 2001-05-31 2005-04-05 Contentguard Holdings, Inc. Method and apparatus for establishing usage rights for digital content to be created in the future
US7725401B2 (en) 2001-05-31 2010-05-25 Contentguard Holdings, Inc. Method and apparatus for establishing usage rights for digital content to be created in the future
JP3861625B2 (ja) * 2001-06-13 2006-12-20 ソニー株式会社 データ転送システム、データ転送装置、記録装置、データ転送方法
JP4831890B2 (ja) * 2001-07-06 2011-12-07 パナソニック株式会社 コンテンツ管理方法及びコンテンツ管理装置
KR20030012629A (ko) * 2001-08-02 2003-02-12 박동현 디지털 저작권 관리 방법 및 그 시스템
JP3734461B2 (ja) * 2001-08-08 2006-01-11 松下電器産業株式会社 ライセンス情報変換装置
GB0124723D0 (en) * 2001-10-15 2001-12-05 Macrovision Corp Improvements in or relating to the copy protection of optical discs
CN100592682C (zh) * 2001-12-13 2010-02-24 索尼计算机娱乐公司 用于安全分配程序内容的方法和装置
ZA200302362B (en) * 2002-04-01 2003-10-01 Sony Corp Reproducing method, reproducing apparatus, recording method, and recording apparatus.
JP3818503B2 (ja) * 2002-04-15 2006-09-06 ソニー株式会社 情報処理装置および方法、並びにプログラム
JP4434573B2 (ja) * 2002-11-29 2010-03-17 株式会社東芝 ライセンス移動装置及びプログラム
US7278165B2 (en) * 2003-03-18 2007-10-02 Sony Corporation Method and system for implementing digital rights management
US7313236B2 (en) * 2003-04-09 2007-12-25 International Business Machines Corporation Methods and apparatus for secure and adaptive delivery of multimedia content
WO2005060199A1 (en) 2003-12-16 2005-06-30 Telefonaktiebolaget Lm Ericsson (Publ) Technique for transferring media data files
KR101002836B1 (ko) 2004-01-03 2010-12-21 삼성전자주식회사 이동통신망의 다수 사용자들에게 전자 컨텐츠를 분배하는방법과 그 시스템
WO2005076140A1 (ja) * 2004-02-03 2005-08-18 Matsushita Electric Industrial Co., Ltd. 記録再生装置及びコンテンツ保護システム
KR101254209B1 (ko) 2004-03-22 2013-04-23 삼성전자주식회사 디바이스와 휴대용 저장장치간에 권리 객체를 이동,복사하는 방법 및 장치
US7567487B2 (en) 2004-03-23 2009-07-28 Panasonic Corporation Content moving device, content moving method, computer program, recording medium, and content moving system
US7747872B2 (en) * 2004-03-25 2010-06-29 Franklin Electronic Publishers, Inc. Secure portable electronic reference device
JP4321334B2 (ja) * 2004-04-09 2009-08-26 ソニー株式会社 ライセンス作成装置,ライセンス作成方法およびコンピュータプログラム
JPWO2005101215A1 (ja) * 2004-04-14 2007-08-16 松下電器産業株式会社 端末装置及び著作権保護システム
US7856168B2 (en) 2004-04-20 2010-12-21 Panasonic Corporation Recorder/reproducer and content data protection system for preventing unauthorized use of content
WO2005103907A1 (ja) * 2004-04-21 2005-11-03 Matsushita Electric Industrial Co., Ltd. 記録装置、記録媒体及びコンテンツ保護システム
WO2005104097A1 (ja) 2004-04-26 2005-11-03 Ricoh Company, Ltd. 情報記録装置、情報記録システム、プログラム及び記録媒体
US20060242406A1 (en) 2005-04-22 2006-10-26 Microsoft Corporation Protected computing environment
US7676590B2 (en) 2004-05-03 2010-03-09 Microsoft Corporation Background transcoding
JP2005352642A (ja) * 2004-06-09 2005-12-22 Matsushita Electric Ind Co Ltd コンテンツデータ処理装置、記録再生装置および記録再生システム
JP4438527B2 (ja) 2004-06-18 2010-03-24 ソニー株式会社 情報管理方法、情報再生装置および情報管理装置
CN101032163B (zh) 2004-09-29 2012-04-18 夏普株式会社 记录装置和方法
US20060098818A1 (en) * 2004-11-10 2006-05-11 International Business Machines (Ibm) Corporation Encryption technique for asynchronous control commands and data
WO2006059475A1 (en) 2004-11-30 2006-06-08 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus
FR2882210B1 (fr) * 2005-02-11 2007-05-11 Viaccess Sa Procede de protection d'un fichier de droits numeriques
JP4659489B2 (ja) * 2005-03-02 2011-03-30 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 コンテンツ複製管理システム、コンテンツ送信端末及びコンテンツ受信端末
US8176565B2 (en) * 2005-04-15 2012-05-08 Sony Corporation Information processing apparatus, information processing method, and computer program
US7558463B2 (en) * 2005-04-18 2009-07-07 Microsoft Corporation Retention of information about digital-media rights in transformed digital media content
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US9436804B2 (en) 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
KR100729622B1 (ko) * 2005-12-01 2007-06-19 삼성전자주식회사 멀디미디어 컨텐츠 재생 방법 및 장치
JP2007193654A (ja) * 2006-01-20 2007-08-02 Nec Personal Products Co Ltd コンテンツ記録装置、コンテンツ処理方法、およびプログラム
KR100891093B1 (ko) 2006-05-09 2009-03-31 삼성전자주식회사 보안 데이터의 안전한 이동을 제공하는 장치 및 방법
KR101346734B1 (ko) 2006-05-12 2014-01-03 삼성전자주식회사 디지털 저작권 관리를 위한 다중 인증서 철회 목록 지원방법 및 장치
JP2008077206A (ja) * 2006-09-19 2008-04-03 Canon Inc 電子データ管理システム、電子データ管理装置及び方法、並びにプログラム及び記憶媒体
US8091137B2 (en) * 2006-10-31 2012-01-03 Hewlett-Packard Development Company, L.P. Transferring a data object between devices
KR100798927B1 (ko) * 2006-12-06 2008-01-29 한국전자통신연구원 스마트카드 기반의 복제방지 기능을 가진 데이터 저장장치, 그의 데이터 저장 및 전송 방법
EP2113860B1 (de) 2007-02-23 2013-03-13 Panasonic Corporation Rechte-objekt verlagerungsverfahren und entsprechender inhaltsplayer
JP2010108281A (ja) * 2008-10-30 2010-05-13 Toshiba Corp 情報処理装置及び情報処理装置の制御方法
JP4826671B2 (ja) * 2009-11-16 2011-11-30 ソニー株式会社 情報管理方法および情報再生装置
EP2428906A1 (de) * 2010-07-12 2012-03-14 Research in Motion Limited Temporäre Richtlinien in einer mobilen Berechnungsvorrichtung
CN101998385B (zh) * 2010-11-10 2013-08-28 东莞宇龙通信科技有限公司 移动终端的数据保护方法和装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5057947A (en) * 1988-02-10 1991-10-15 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
JPH02277128A (ja) * 1989-04-18 1990-11-13 Nec Corp プログラムの走行条件チェック方式
FR2662279B1 (fr) * 1990-05-16 1992-08-07 Telemecanique Procede de configuration d'un poste de travail informatique et systeme pour sa mise en óoeuvre.
JPH0443779A (ja) * 1990-06-11 1992-02-13 Nippon Telegr & Teleph Corp <Ntt> 編集映像の作製方法
JPH05324449A (ja) * 1992-05-15 1993-12-07 Pfu Ltd データファイルのムーブ方式
JPH07168855A (ja) * 1993-09-21 1995-07-04 Toshiba Corp 情報記録再生装置
JP3613803B2 (ja) * 1994-02-18 2005-01-26 株式会社日立製作所 記録再生装置、情報提供装置および方法
JP3344810B2 (ja) * 1994-03-02 2002-11-18 松下電器産業株式会社 ソフトウェア保護システム
JP3348753B2 (ja) * 1994-04-28 2002-11-20 日本電信電話株式会社 暗号鍵配送システムおよび方法
US5638443A (en) * 1994-11-23 1997-06-10 Xerox Corporation System for controlling the distribution and use of composite digital works
US5715403A (en) * 1994-11-23 1998-02-03 Xerox Corporation System for controlling the distribution and use of digital works having attached usage rights where the usage rights are defined by a usage rights grammar
JPH09160899A (ja) * 1995-12-06 1997-06-20 Matsushita Electric Ind Co Ltd 情報サービス処理装置
JPH103745A (ja) * 1996-06-12 1998-01-06 Sony Corp 記録媒体、デジタルコピー管理方法、再生装置、及び記録装置
JPH10108148A (ja) * 1996-09-27 1998-04-24 Sony Corp ディジタルデータの著作権保護方法および保護システム
JP4101897B2 (ja) * 1996-11-13 2008-06-18 富士通株式会社 ソフトウェアライセンス交付装置
JPH10269144A (ja) * 1997-03-24 1998-10-09 Sony Corp 情報記録再生方法とその装置および情報提供方法とその装置ならびに情報記録媒体
US6131162A (en) * 1997-06-05 2000-10-10 Hitachi Ltd. Digital data authentication method
JPH11239129A (ja) * 1997-06-05 1999-08-31 Hitachi Ltd 電子データを認証するための方法
JP4022976B2 (ja) * 1998-03-06 2007-12-19 ソニー株式会社 記録再生システム
EP1045386B1 (de) * 1999-04-16 2007-12-19 Deutsche Thomson-Brandt Gmbh Verfahren und Gerät zur Verhinderung der unberechtigten Benutzung von Multimediainhalt

Also Published As

Publication number Publication date
JP2000347946A (ja) 2000-12-15
KR100688312B1 (ko) 2007-03-08
DE60037476T2 (de) 2008-12-04
ID25574A (id) 2000-10-19
PL339692A1 (en) 2000-10-23
ES2298105T3 (es) 2008-05-16
JP4674933B2 (ja) 2011-04-20
CN1271163A (zh) 2000-10-25
CN1192380C (zh) 2005-03-09
EP1045388A1 (de) 2000-10-18
KR20010006933A (ko) 2001-01-26
HK1034137A1 (en) 2001-10-12
DE60037476D1 (de) 2008-01-31
MY138374A (en) 2009-05-29

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