DE3870650D1 - Automatisch gesteuerte oder ferngesteuerte fliegende plattform. - Google Patents
Automatisch gesteuerte oder ferngesteuerte fliegende plattform.Info
- Publication number
- DE3870650D1 DE3870650D1 DE8888102150T DE3870650T DE3870650D1 DE 3870650 D1 DE3870650 D1 DE 3870650D1 DE 8888102150 T DE8888102150 T DE 8888102150T DE 3870650 T DE3870650 T DE 3870650T DE 3870650 D1 DE3870650 D1 DE 3870650D1
- Authority
- DE
- Germany
- Prior art keywords
- pair
- duct
- vanes
- spoilers
- servomotor
- 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
Links
- 230000000903 blocking effect Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
- B64U30/26—Ducted or shrouded rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/15—UAVs specially adapted for particular uses or applications for conventional or electronic warfare
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
- B64U2201/202—Remote controls using tethers for connecting to ground station
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/13—Propulsion using external fans or propellers
- B64U50/14—Propulsion using external fans or propellers ducted or shrouded
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Remote Sensing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Toys (AREA)
- Carbon And Carbon Compounds (AREA)
- Liquid Crystal Substances (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/015,100 US4795111A (en) | 1987-02-17 | 1987-02-17 | Robotic or remotely controlled flying platform |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3870650D1 true DE3870650D1 (de) | 1992-06-11 |
Family
ID=21769537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888102150T Expired - Lifetime DE3870650D1 (de) | 1987-02-17 | 1988-02-13 | Automatisch gesteuerte oder ferngesteuerte fliegende plattform. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4795111A (de) |
EP (1) | EP0279391B1 (de) |
JP (1) | JPS63291798A (de) |
AT (1) | ATE75678T1 (de) |
CA (1) | CA1264714A (de) |
DE (1) | DE3870650D1 (de) |
IL (1) | IL85439A (de) |
Families Citing this family (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5035377A (en) * | 1985-02-28 | 1991-07-30 | Technolizenz Establishment | Free standing or aircraft lift generator |
AU3562789A (en) * | 1988-05-05 | 1989-11-29 | Schatzmayr, Dieter | Lift-jet engine for independent operation or for use in an aircraft |
US4955962A (en) * | 1989-02-02 | 1990-09-11 | Christian Mell | Remote controlled flying saucer |
US5070955A (en) * | 1990-05-04 | 1991-12-10 | Aerovironment, Inc. | Passively stable hovering system |
US5082079A (en) * | 1990-05-04 | 1992-01-21 | Aerovironment, Inc. | Passively stable hovering system |
GB2244253B (en) * | 1990-05-23 | 1993-09-29 | Eric Richardson Wye | Air cab/car |
AU666211B2 (en) * | 1992-06-22 | 1996-02-01 | United Technologies Corporation | Toroidal fuselage for unmanned aerial vehicle |
US5226350A (en) * | 1992-06-22 | 1993-07-13 | United Technologies Corporation | Drive train assembly for a rotor assembly having ducted, coaxial counter-rotating rotors |
GB2270510B (en) * | 1992-09-11 | 1996-07-17 | Charles John Cochrane | Lift device |
US5295643A (en) * | 1992-12-28 | 1994-03-22 | Hughes Missile Systems Company | Unmanned vertical take-off and landing, horizontal cruise, air vehicle |
US10328357B2 (en) * | 2008-06-14 | 2019-06-25 | PDCGA:Professional DisClub Golf Association/Tang System | DisClub Golf: disclub, golfdisc and discopter |
JPH08503673A (ja) | 1993-09-21 | 1996-04-23 | ビル−イノヴェイションズ−シュティフツング | 飛行装置 |
JP2003512215A (ja) * | 1998-12-11 | 2003-04-02 | モラー・インターナショナル・インコーポレーテッド | ロボット制御または遠隔制御飛行プラットフォーム用の安定制御装置 |
US6179247B1 (en) | 1999-02-09 | 2001-01-30 | Karl F. Milde, Jr. | Personal air transport |
FR2804936B1 (fr) | 2000-02-15 | 2002-06-07 | Bertin Technologies Sa | Engin volant telecommande, en particulier de surveillance ou d'inspection |
US6848649B2 (en) | 2000-10-03 | 2005-02-01 | Charles Gilpin Churchman | V/STOL biplane aircraft |
US6419190B1 (en) * | 2000-10-10 | 2002-07-16 | Gino Francis Nguegang | Airborne cleaning and painting robot |
US8500507B2 (en) * | 2001-03-28 | 2013-08-06 | Steven Davis | Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same |
US6464166B1 (en) * | 2001-05-29 | 2002-10-15 | Romeo Yankee Ltd. | Ducted fan vehicles particularly useful as VTOL aircraft |
US6883748B2 (en) * | 2001-06-04 | 2005-04-26 | Rafi Yoeli | Vehicles particularly useful as VTOL vehicles |
WO2003004353A2 (en) * | 2001-07-06 | 2003-01-16 | The Charles Stark Draper Laboratory, Inc. | Vertical takeoff and landing aerial vehicle |
US6886776B2 (en) * | 2001-10-02 | 2005-05-03 | Karl F. Milde, Jr. | VTOL personal aircraft |
US20030062443A1 (en) * | 2001-10-02 | 2003-04-03 | Joseph Wagner | VTOL personal aircraft |
GB2385840A (en) * | 2001-12-04 | 2003-09-03 | Lee Scott Friend | Airborne surveillance vehicle |
US6550715B1 (en) * | 2001-12-07 | 2003-04-22 | Lockheed Martin Corporation | Miniature vertical takeoff and landing aircraft |
US20040094662A1 (en) * | 2002-01-07 | 2004-05-20 | Sanders John K. | Vertical tale-off landing hovercraft |
WO2004012993A1 (en) * | 2002-08-05 | 2004-02-12 | Urban Aeronautics Ltd. | Vtol vehicles |
WO2004101357A2 (en) | 2002-08-30 | 2004-11-25 | Qaxu Technology Inc. | Homeostatic flying hovercraft |
US7059931B2 (en) * | 2003-05-27 | 2006-06-13 | Veratech Aero-Rpv Corporation | Reduced visibility rotorcraft and method of controlling flight of reduced visibility rotorcraft |
ITTO20030823A1 (it) * | 2003-10-17 | 2005-04-18 | Fiat Ricerche | Microvelivolo e telefono cellulare provvisto di microvelivolo. |
US7857253B2 (en) * | 2003-10-27 | 2010-12-28 | Urban Aeronautics Ltd. | Ducted fan VTOL vehicles |
US20050230525A1 (en) * | 2004-03-30 | 2005-10-20 | Paterro Von F C | Craft with magnetically curved space |
EP1855942A2 (de) * | 2005-01-10 | 2007-11-21 | Urban Aeronautics Ltd. | Mantelgebläse-senkrechtstarter |
US7195208B2 (en) * | 2005-03-14 | 2007-03-27 | Caron Roger G | Multi-device controller for model aircraft |
US7946528B2 (en) * | 2005-04-15 | 2011-05-24 | Urban Aeronautics, Ltd. | Flight control system especially suited for VTOL vehicles |
US7717368B2 (en) * | 2005-06-07 | 2010-05-18 | Urban Aeronautics Ltd. | Apparatus for generating horizontal forces in aerial vehicles and related method |
US7510142B2 (en) * | 2006-02-24 | 2009-03-31 | Stealth Robotics | Aerial robot |
US7631834B1 (en) | 2006-02-24 | 2009-12-15 | Stealth Robotics, Llc | Aerial robot with dispensable conductive filament |
BRPI0708425A2 (pt) | 2006-03-01 | 2011-05-31 | Urban Aeronautics Ltd | disposição de palhetas em efeito solo |
WO2007098634A1 (de) * | 2006-03-03 | 2007-09-07 | David Posva | Flugzeug mit der eigenschaft zu schwebeflug, schnellem vorwärtsflug, gleitflug, kurzstart, kurzlandung, senkrechtstart und senkrechtlandung |
WO2007129313A2 (en) * | 2006-05-03 | 2007-11-15 | Urban Aeronautics Ltd. | Ducted fan vtol vehicles |
WO2008065654A2 (en) | 2006-11-27 | 2008-06-05 | Urban Aeronautics Ltd. | Wall effects on vtol vehicles |
WO2008065664A2 (en) * | 2006-11-30 | 2008-06-05 | Urban Aeronautics Ltd. | Flight control cockpit modes in ducted fan vtol vehicles |
WO2008135973A2 (en) * | 2007-05-02 | 2008-11-13 | Urban Aeronautics Ltd. | Control flows and forces in vtol vehicles |
GB2452533B (en) * | 2007-09-07 | 2011-12-14 | Alien Technology Ltd | Flying toy apparatus |
US8178825B2 (en) * | 2007-10-29 | 2012-05-15 | Honeywell International Inc. | Guided delivery of small munitions from an unmanned aerial vehicle |
EP2234883B1 (de) * | 2007-12-14 | 2017-08-02 | Urban Aeronautics Ltd. | Vtol fahrzeug und verfahren zum betrieb |
US8162256B2 (en) * | 2008-03-19 | 2012-04-24 | Honeywell International Inc. | Launch and capture systems for vertical take-off and landing (VTOL) vehicles |
US8387911B2 (en) * | 2008-07-25 | 2013-03-05 | Honeywell International Inc. | Ducted fan core for use with an unmanned aerial vehicle |
US8104707B1 (en) | 2008-08-12 | 2012-01-31 | Honeywell International Inc. | X-vane configuration in a ducted-fan aerial vehicle |
WO2010026517A2 (en) * | 2008-09-02 | 2010-03-11 | Urban Aeronautics Ltd. | Vtol vehicle with coaxially tilted or tiltable rotors |
US8242623B2 (en) * | 2008-11-13 | 2012-08-14 | Honeywell International Inc. | Structural ring interconnect printed circuit board assembly for a ducted fan unmanned aerial vehicle |
US8348190B2 (en) * | 2009-01-26 | 2013-01-08 | Honeywell International Inc. | Ducted fan UAV control alternatives |
CN102458987B (zh) * | 2009-04-06 | 2015-10-07 | 天空智慧有限公司 | 用来举起有效载荷的系统、浮动单元和方法 |
US8322649B2 (en) * | 2009-05-07 | 2012-12-04 | Herbert Martin | Saucer-shaped gyroscopically stabilized vertical take-off and landing aircraft |
GB0911667D0 (en) * | 2009-07-06 | 2009-08-12 | Aesir Ltd | Improvements to controlling spin of an aircraft |
KR101130203B1 (ko) | 2009-09-17 | 2012-03-30 | 한국생산기술연구원 | 비행체 이착륙 보조장치 |
US8821123B2 (en) * | 2010-03-08 | 2014-09-02 | The Penn State Research Foundation | Double-ducted fan |
US8876038B2 (en) | 2010-10-05 | 2014-11-04 | Urban Aeronautics Ltd. | Ducted fan for VTOL vehicles with system and method to reduce roll moments |
WO2012055062A1 (es) * | 2010-10-29 | 2012-05-03 | Merino Rodriguez Sergio Hernan | Vehículo aéreo de despegue vertical |
WO2012063220A2 (en) | 2010-11-12 | 2012-05-18 | Sky Sapience | Aerial unit and method for elevating payloads |
KR101150855B1 (ko) | 2010-12-22 | 2012-06-13 | 한국생산기술연구원 | 덕트형 비행로봇의 비행제어구조 |
US10427784B2 (en) * | 2011-12-05 | 2019-10-01 | Aurora Flight Sciences Corporation | System and method for improving transition lift-fan performance |
US8992279B2 (en) * | 2012-05-21 | 2015-03-31 | Tanous Works, Llc | Flying toy figure |
US9004973B2 (en) | 2012-10-05 | 2015-04-14 | Qfo Labs, Inc. | Remote-control flying copter and method |
JP2016505435A (ja) | 2012-11-15 | 2016-02-25 | エスゼット ディージェイアイ テクノロジー カンパニー,リミテッド | 多重回転子無人航空機 |
WO2014110418A1 (en) * | 2013-01-11 | 2014-07-17 | Trojahn Charles J | Propulsion and directional control apparatus for an air cushion vehicle |
SG2013004940A (en) * | 2013-01-21 | 2014-08-28 | Singapore Tech Aerospace Ltd | Method for improving crosswind stability of a propeller duct and a corresponding apparatus, system and computer readable medium |
US9290269B2 (en) | 2013-03-15 | 2016-03-22 | CyPhy Works, Inc. | Spooler for unmanned aerial vehicle system |
EP2969603B1 (de) | 2013-03-15 | 2017-05-24 | Terrafugia, Inc. | Kombiniertes flugzeug/fahrzeug mit vertikalem start und festflügelbewegungsmöglichkeiten |
EP3134316B1 (de) * | 2014-04-24 | 2019-05-22 | Neustadt, Roi | Schwebevorrichtung zum zeichnen auf wänden |
US20170015417A1 (en) * | 2014-08-29 | 2017-01-19 | Reference Technologies Inc | Multi-Propulsion Design for Unmanned Aerial Systems |
US10059437B2 (en) | 2015-01-08 | 2018-08-28 | Robert Stanley Cooper | Multi-rotor safety shield |
FR3032687B1 (fr) * | 2015-02-16 | 2018-10-12 | Hutchinson | Aerodyne vtol a soufflante(s) axiale(s) porteuse(s) |
US9407000B1 (en) * | 2015-05-15 | 2016-08-02 | Harris Corporation | Antenna deployment method and system |
US9688396B2 (en) | 2015-06-18 | 2017-06-27 | Avery Aerospace Corporation | Ducted oblique-rotor VTOL vehicle |
US20190002093A1 (en) * | 2015-07-31 | 2019-01-03 | Panasonic Intellectual Property Management Co., Ltd. | Aircraft |
USD766159S1 (en) * | 2015-08-27 | 2016-09-13 | Skycatch, Inc. | Landing gear for an unmanned aerial vehicle |
KR101627680B1 (ko) * | 2015-11-05 | 2016-06-07 | 남양우 | 비행기 구조체 |
US10258888B2 (en) | 2015-11-23 | 2019-04-16 | Qfo Labs, Inc. | Method and system for integrated real and virtual game play for multiple remotely-controlled aircraft |
USD843266S1 (en) | 2016-01-26 | 2019-03-19 | SZ DJI Technology Co., Ltd. | Aerial vehicle |
US11067164B2 (en) | 2016-04-15 | 2021-07-20 | Terrafugia, Inc. | Electronic gear shifter assembly for a dual-mode flying and driving vehicle |
US10730626B2 (en) | 2016-04-29 | 2020-08-04 | United Parcel Service Of America, Inc. | Methods of photo matching and photo confirmation for parcel pickup and delivery |
WO2017190026A2 (en) | 2016-04-29 | 2017-11-02 | United Parcel Service Of America, Inc. | Unmanned aerial vehicle pick-up and delivery systems |
WO2018027315A1 (en) | 2016-08-08 | 2018-02-15 | Cleo Robotics Inc. | An unmanned aerial vehicle and a system for controlling an unmanned aerial vehicle |
GB2555440A (en) * | 2016-10-27 | 2018-05-02 | Mono Aerospace Ip Ltd | Vertical take off and landing aircraft |
KR102286004B1 (ko) | 2017-01-04 | 2021-08-05 | 한화디펜스 주식회사 | 무인 비행체 |
EP3571119A4 (de) | 2017-01-17 | 2020-12-02 | Graco Minnesota Inc. | Unbemanntes luftfahrzeug zum lackieren von strukturen |
US10775792B2 (en) | 2017-06-13 | 2020-09-15 | United Parcel Service Of America, Inc. | Autonomously delivering items to corresponding delivery locations proximate a delivery route |
EP3645389A4 (de) * | 2017-06-27 | 2021-04-07 | Bonavide (PTY) LTD | Unbemannter drehflügler |
CA2988156A1 (en) * | 2017-12-08 | 2019-06-08 | Quanta Associates, L.P. | Unmanned aerial vehicle for use near high voltage power lines |
US11712637B1 (en) | 2018-03-23 | 2023-08-01 | Steven M. Hoffberg | Steerable disk or ball |
JP7149498B2 (ja) * | 2018-07-26 | 2022-10-07 | パナソニックIpマネジメント株式会社 | 無人飛行体、情報処理方法およびプログラム |
US11066162B2 (en) * | 2019-10-09 | 2021-07-20 | Kitty Hawk Corporation | Short takeoff and landing vehicle with forward swept wings |
US11851178B2 (en) * | 2020-02-14 | 2023-12-26 | The Aerospace Corporation | Long range endurance aero platform system |
KR20210115881A (ko) * | 2020-03-16 | 2021-09-27 | 한화에어로스페이스 주식회사 | 블레이드-스테이터 시스템 및 이를 포함하는 수직 이착륙 비행 장치 |
US11203426B1 (en) * | 2020-06-17 | 2021-12-21 | Textron Innovations Inc. | Duct vane rotation system |
US11453491B2 (en) * | 2020-06-17 | 2022-09-27 | Textron Innovations Inc. | Duct vane rotation system |
DE102022122257B3 (de) | 2022-09-02 | 2024-03-07 | Tom Bauer | Flugscheibe mit Manteldoppelrotor |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1775783A (en) * | 1926-10-22 | 1930-09-16 | Perrin Edouard Alfred | Single-screw rapid helicopter |
US2371687A (en) * | 1942-02-04 | 1945-03-20 | William F Gerhardt | Air vehicle |
US2730311A (en) * | 1950-07-01 | 1956-01-10 | Edmond R Doak | Impeller propelled aerodynamic body |
US2952422A (en) * | 1955-08-03 | 1960-09-13 | Fletch Aire Company Inc | Annular wing aircraft |
US2968453A (en) * | 1958-01-13 | 1961-01-17 | Edward F Golding | Ducted fan aircraft |
US3128062A (en) * | 1961-07-19 | 1964-04-07 | Brocard Jean Marie Rene | Aircraft |
US3223359A (en) * | 1964-03-19 | 1965-12-14 | Fairchild Hiller Corp | Helicopter flight control system |
US3640485A (en) * | 1970-06-25 | 1972-02-08 | Jean L Mutrux | Amphibious helicopter-type aircraft |
US4196877A (en) * | 1977-06-15 | 1980-04-08 | Mutrux Jean L | Aircraft |
CH634516A5 (de) * | 1977-10-31 | 1983-02-15 | Tech Geraete Entwicklung Ges | Flugkoerper. |
US4247066A (en) * | 1978-02-21 | 1981-01-27 | General Dynamics Corporation | Airfoil variable cambering device and method |
US4235397A (en) * | 1978-04-29 | 1980-11-25 | British Aerospace | Flow deflector blades |
US4461436A (en) * | 1979-11-26 | 1984-07-24 | Gene Messina | Gyro stabilized flying saucer model |
-
1987
- 1987-02-17 US US07/015,100 patent/US4795111A/en not_active Expired - Lifetime
-
1988
- 1988-02-13 DE DE8888102150T patent/DE3870650D1/de not_active Expired - Lifetime
- 1988-02-13 EP EP88102150A patent/EP0279391B1/de not_active Expired - Lifetime
- 1988-02-13 AT AT88102150T patent/ATE75678T1/de active
- 1988-02-16 IL IL85439A patent/IL85439A/xx not_active IP Right Cessation
- 1988-02-16 CA CA000558941A patent/CA1264714A/en not_active Expired - Fee Related
- 1988-02-17 JP JP63032947A patent/JPS63291798A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IL85439A0 (en) | 1988-07-31 |
CA1264714A (en) | 1990-01-23 |
IL85439A (en) | 1992-09-06 |
EP0279391A2 (de) | 1988-08-24 |
US4795111A (en) | 1989-01-03 |
JPS63291798A (ja) | 1988-11-29 |
EP0279391B1 (de) | 1992-05-06 |
ATE75678T1 (de) | 1992-05-15 |
EP0279391A3 (en) | 1989-04-26 |
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