DE69320547T2 - Methode und Vorrichtung zur Regelung des Druckes eines Fluides - Google Patents
Methode und Vorrichtung zur Regelung des Druckes eines FluidesInfo
- Publication number
- DE69320547T2 DE69320547T2 DE69320547T DE69320547T DE69320547T2 DE 69320547 T2 DE69320547 T2 DE 69320547T2 DE 69320547 T DE69320547 T DE 69320547T DE 69320547 T DE69320547 T DE 69320547T DE 69320547 T2 DE69320547 T2 DE 69320547T2
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- fluid
- point
- controlling
- supply
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
- G05D16/2095—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power using membranes within the main valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
- Y10T137/0379—By fluid pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7759—Responsive to change in rate of fluid flow
- Y10T137/776—Control by pressures across flow line valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7764—Choked or throttled pressure type
- Y10T137/7768—Pilot controls supply to pressure chamber
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Pressure (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929212122A GB9212122D0 (en) | 1992-06-09 | 1992-06-09 | Water supply pressure control apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320547D1 DE69320547D1 (de) | 1998-10-01 |
DE69320547T2 true DE69320547T2 (de) | 1999-03-11 |
Family
ID=10716731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320547T Expired - Lifetime DE69320547T2 (de) | 1992-06-09 | 1993-06-09 | Methode und Vorrichtung zur Regelung des Druckes eines Fluides |
Country Status (9)
Country | Link |
---|---|
US (1) | US5460196A (de) |
EP (1) | EP0574241B1 (de) |
JP (1) | JPH06161565A (de) |
AT (1) | ATE170299T1 (de) |
CA (1) | CA2097970C (de) |
DE (1) | DE69320547T2 (de) |
ES (1) | ES2123620T3 (de) |
GB (1) | GB9212122D0 (de) |
NO (1) | NO309168B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014205332A1 (de) * | 2014-03-21 | 2015-09-24 | Siemens Aktiengesellschaft | Verfahren zur Druckregelung in einem Versorgungsnetz, Vorrichtung sowie Versorgungsnetz |
Families Citing this family (98)
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IT1271630B (it) * | 1994-04-29 | 1997-06-04 | Criotherm Srl | Sistema computerizzato di pressurizzazione per protezione guida d'onda e cavi |
US5520206A (en) * | 1994-06-30 | 1996-05-28 | Deville; Wayne E. | Exhaust reduction system for control valves |
GB2295249B (en) * | 1994-11-02 | 1998-06-10 | Druck Ltd | Pressure controller |
US5982274A (en) * | 1995-05-16 | 1999-11-09 | Master Control Systems, Inc. | Paperless pressure and alarm recorder |
JP3291161B2 (ja) * | 1995-06-12 | 2002-06-10 | 株式会社フジキン | 圧力式流量制御装置 |
JP2677536B2 (ja) | 1995-09-01 | 1997-11-17 | シーケーディ株式会社 | 真空圧力制御システム |
US5660198A (en) * | 1995-12-21 | 1997-08-26 | J. C. Carter Company, Inc. | Flow compensated pressure control system |
US5787925A (en) * | 1996-07-15 | 1998-08-04 | Veriflo Corporation | Pneumatically servoed gas pressure regulator |
US6056008A (en) * | 1997-09-22 | 2000-05-02 | Fisher Controls International, Inc. | Intelligent pressure regulator |
US6035878A (en) * | 1997-09-22 | 2000-03-14 | Fisher Controls International, Inc. | Diagnostic device and method for pressure regulator |
US5967176A (en) * | 1998-04-17 | 1999-10-19 | Blann; Brian David Francis | Automatic flow control valve with variable set-points |
US6283138B1 (en) | 1998-04-24 | 2001-09-04 | Anderson, Greenwood Lp | Pressure relief valve monitoring device |
GB2340205B (en) | 1998-07-30 | 2003-03-05 | Wessex Electronics Consultants | Pressure control apparatus and method |
GB2350663A (en) * | 1999-06-04 | 2000-12-06 | Technolog Ltd | Pilot valve |
GB9922069D0 (en) * | 1999-09-17 | 1999-11-17 | Technolog Ltd | Water distribution pressure control method and apparatus |
JP3634733B2 (ja) * | 2000-09-22 | 2005-03-30 | Smc株式会社 | 流体圧力調整装置 |
US6688320B2 (en) | 2000-11-10 | 2004-02-10 | Flowtronex Psi, Inc. | Utility conservation control methodology within a fluid pumping system |
US6463949B2 (en) * | 2000-12-08 | 2002-10-15 | Caterpillar Inc. | Method and apparatus for determining a valve status |
US7049975B2 (en) * | 2001-02-02 | 2006-05-23 | Fisher Controls International Llc | Reporting regulator for managing a gas transportation system |
US6568416B2 (en) * | 2001-02-28 | 2003-05-27 | Brian L. Andersen | Fluid flow control system, fluid delivery and control system for a fluid delivery line, and method for controlling pressure oscillations within fluid of a fluid delivery line |
US7437778B2 (en) * | 2001-12-04 | 2008-10-21 | Arichell Technologies Inc. | Automatic bathroom flushers |
TW571182B (en) * | 2001-12-04 | 2004-01-11 | Smc Kk | Flow rate control apparatus |
IL147506A (en) * | 2002-01-08 | 2008-11-26 | Optimus Water Technologies Ltd | Water supply system |
US6935363B2 (en) * | 2002-11-20 | 2005-08-30 | Hydrogenics Corporation | Pressure control system for low pressure operation |
US20050268968A1 (en) * | 2003-11-20 | 2005-12-08 | Gabriel Hourtouat | Pressure control system for low pressure high flow operation |
US7318447B2 (en) * | 2004-01-21 | 2008-01-15 | Fisher Controls International Llc. | Pressure loaded pilot system and method for a regulator without atmospheric bleed |
WO2008011092A2 (en) * | 2006-07-20 | 2008-01-24 | Askew Andy R | High pressure transducer |
GB0701352D0 (en) * | 2007-01-24 | 2007-03-07 | Hydrodigital Ltd | Liquid pressure control |
EP2115546B1 (de) * | 2007-01-24 | 2016-03-23 | i2O Water Limited | Steuerung und steuersystem für ein druckreduzierventil |
US20080202602A1 (en) * | 2007-02-22 | 2008-08-28 | Piab Usa, Inc. | Valve Controlled Vacuum Assembly |
WO2008114036A1 (en) | 2007-03-22 | 2008-09-25 | I2O Water Limted | Pilot valve for a pressure reducing valve |
WO2008127899A2 (en) * | 2007-04-13 | 2008-10-23 | Cla-Val Co. | System and method for hydraulically managing fluid pressure downstream from a main valve |
US8091582B2 (en) | 2007-04-13 | 2012-01-10 | Cla-Val Co. | System and method for hydraulically managing fluid pressure downstream from a main valve between set points |
TWI376581B (en) * | 2007-06-05 | 2012-11-11 | Ckd Corp | Vacuum pressure control system |
US8387657B2 (en) * | 2007-06-15 | 2013-03-05 | Fisher Controls International, Llc | Methods and apparatus to determine a position of a valve |
GB0808985D0 (en) * | 2008-05-19 | 2008-06-25 | Univ Exeter The | Analysis of pressure management economics in water distribution systems and conceptual risk-based decision support methodology for improved near real time- |
US20100051716A1 (en) * | 2008-09-03 | 2010-03-04 | Walton Frank A | Automated switch for liquid additive injection pump |
US20100051110A1 (en) * | 2008-09-04 | 2010-03-04 | Ch2M Hill, Inc. | Gas actuated valve |
GB0823656D0 (en) | 2008-12-30 | 2009-02-04 | I2O Water Ltd | Mains water supply processing |
US9493931B2 (en) * | 2008-12-30 | 2016-11-15 | I20 Water Limited | Mains water supply processing |
US20100175766A1 (en) * | 2009-01-15 | 2010-07-15 | Lichman John A | Remote control water meter |
US8479758B2 (en) * | 2009-03-05 | 2013-07-09 | Softatalo Aida Oy | Methods and devices for reducing water consumption |
US8418770B2 (en) * | 2009-08-03 | 2013-04-16 | Ocv Control Valves | Multi-process electronic control valve system |
US10240593B2 (en) | 2011-03-04 | 2019-03-26 | Asco Power Technologies, L.P. | Systems and methods of controlling pressure maintenance pumps and data logging pump operations |
US9915373B2 (en) * | 2011-07-08 | 2018-03-13 | Fmc Technologies, Inc. | Electronically controlled pressure relief valve |
CN107608398B (zh) * | 2011-08-02 | 2021-03-02 | 鲁比康研究有限公司 | 管理对来自水网络的水的需求的方法以及需求管理系统 |
US8839815B2 (en) | 2011-12-15 | 2014-09-23 | Honeywell International Inc. | Gas valve with electronic cycle counter |
US9995486B2 (en) | 2011-12-15 | 2018-06-12 | Honeywell International Inc. | Gas valve with high/low gas pressure detection |
US9074770B2 (en) | 2011-12-15 | 2015-07-07 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9557059B2 (en) | 2011-12-15 | 2017-01-31 | Honeywell International Inc | Gas valve with communication link |
US9851103B2 (en) | 2011-12-15 | 2017-12-26 | Honeywell International Inc. | Gas valve with overpressure diagnostics |
US8947242B2 (en) | 2011-12-15 | 2015-02-03 | Honeywell International Inc. | Gas valve with valve leakage test |
US8899264B2 (en) | 2011-12-15 | 2014-12-02 | Honeywell International Inc. | Gas valve with electronic proof of closure system |
US8905063B2 (en) * | 2011-12-15 | 2014-12-09 | Honeywell International Inc. | Gas valve with fuel rate monitor |
US9846440B2 (en) | 2011-12-15 | 2017-12-19 | Honeywell International Inc. | Valve controller configured to estimate fuel comsumption |
US9835265B2 (en) | 2011-12-15 | 2017-12-05 | Honeywell International Inc. | Valve with actuator diagnostics |
US9453505B2 (en) | 2012-06-07 | 2016-09-27 | Asco Power Technologies, L.P. | Methods and systems for monitoring a power supply for a fire pump motor |
US9482220B2 (en) | 2012-06-07 | 2016-11-01 | Asco Power Technologies, L.P. | Dual redundancy in fire pump controllers |
US9234661B2 (en) | 2012-09-15 | 2016-01-12 | Honeywell International Inc. | Burner control system |
US10422531B2 (en) | 2012-09-15 | 2019-09-24 | Honeywell International Inc. | System and approach for controlling a combustion chamber |
DE102012111021B4 (de) * | 2012-11-15 | 2014-08-21 | Eto Magnetic Gmbh | Ventilvorrichtung und Verwendung einer solchen |
EP2778296B1 (de) | 2013-03-11 | 2018-04-25 | Grundfos Holding A/S | Pumpensystem |
CN204440124U (zh) | 2013-03-13 | 2015-07-01 | 阿斯科动力科技公司 | 消防泵房中的系统 |
KR101508660B1 (ko) * | 2013-10-01 | 2015-04-09 | 주식회사 엠앤디 | Posrv 성능 평가 시험 장치의 제어 시스템 |
EP2868970B1 (de) | 2013-10-29 | 2020-04-22 | Honeywell Technologies Sarl | Regelungsvorrichtung |
US10095246B2 (en) * | 2013-12-02 | 2018-10-09 | Kabushiki Kaisha Toshiba | Leakage suppression apparatus, leakage suppression system, and leakage suppression program |
US10024439B2 (en) | 2013-12-16 | 2018-07-17 | Honeywell International Inc. | Valve over-travel mechanism |
CN103760931B (zh) * | 2014-01-22 | 2016-09-14 | 杭州电子科技大学 | 动态矩阵控制优化的油气水卧式三相分离器压力控制方法 |
US9714740B2 (en) * | 2014-07-18 | 2017-07-25 | Instrument Solutions Inc. | System, method, and apparatus for regulating the flow of gas |
US9841122B2 (en) | 2014-09-09 | 2017-12-12 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9645584B2 (en) | 2014-09-17 | 2017-05-09 | Honeywell International Inc. | Gas valve with electronic health monitoring |
WO2016067558A1 (ja) * | 2014-10-29 | 2016-05-06 | 日本電気株式会社 | 水道管理システム、水道管理装置、水道管理方法、および水道管理プログラム記録媒体 |
JP2016192039A (ja) * | 2015-03-31 | 2016-11-10 | アズビル株式会社 | 流量制御弁 |
CN104988323B (zh) * | 2015-06-11 | 2017-03-22 | 深圳阿尔泰克轻合金技术有限公司 | 一种热铝炉渣处理设备电路及其控制方法 |
US20170009432A1 (en) * | 2015-07-09 | 2017-01-12 | 9346678 Canada Inc. | Wireless Automation Systems and Methods for Controlling Fluid Pressure in a Building |
US9689534B2 (en) * | 2015-11-11 | 2017-06-27 | Chad Deville | Pipeline-waste-gas reduction method |
US9695988B2 (en) * | 2015-11-11 | 2017-07-04 | Chad Deville | Pipeline-waste-gas reducer apparatus |
US10503181B2 (en) * | 2016-01-13 | 2019-12-10 | Honeywell International Inc. | Pressure regulator |
CN105672396B (zh) * | 2016-01-28 | 2018-02-23 | 宁波九荣环保科技有限公司 | 一种多泵并联恒压供水控制系统及控制方法 |
JP2018018942A (ja) * | 2016-07-27 | 2018-02-01 | 東京エレクトロン株式会社 | 液処理装置及び液処理方法 |
US10564062B2 (en) | 2016-10-19 | 2020-02-18 | Honeywell International Inc. | Human-machine interface for gas valve |
US10409298B2 (en) * | 2017-04-27 | 2019-09-10 | Marotta Controls, Inc. | Electronically controlled regulator |
US11803199B2 (en) | 2017-10-26 | 2023-10-31 | Aquestia Ltd. | Dual set-point pressure regulating system |
US11073281B2 (en) | 2017-12-29 | 2021-07-27 | Honeywell International Inc. | Closed-loop programming and control of a combustion appliance |
DE102018101773B4 (de) * | 2018-01-26 | 2019-11-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren und Vorrichtung zur Wassereinspritzung |
US11047761B1 (en) | 2018-02-08 | 2021-06-29 | Moen Incorporated | Integrated leak detection |
CN108442450A (zh) * | 2018-03-19 | 2018-08-24 | 安徽惠特环境科技有限公司 | 一种实验室安全供水系统 |
US10697815B2 (en) | 2018-06-09 | 2020-06-30 | Honeywell International Inc. | System and methods for mitigating condensation in a sensor module |
US11105440B2 (en) * | 2018-08-21 | 2021-08-31 | Mueller International, Llc | Valve assembly |
US11572965B2 (en) * | 2018-12-11 | 2023-02-07 | Honeywell International Inc. | Automated disconnecting of safety valves in a gas distribution system |
US11659828B2 (en) | 2019-01-10 | 2023-05-30 | Capstan Ag Systems, Inc. | Systems and methods for fluid application including sectioned spray boom and section control valves for sectional pressure control |
WO2020168037A1 (en) * | 2019-02-15 | 2020-08-20 | Fb Global Plumbing Group Llc | Fluid usage monitoring and control system |
US11519514B2 (en) | 2019-11-04 | 2022-12-06 | Polymer Technologies Limited | Liquid pressure reducing valve |
JP7382893B2 (ja) * | 2020-04-17 | 2023-11-17 | 東京エレクトロン株式会社 | 原料供給装置及び成膜装置 |
DE102020206030B3 (de) * | 2020-05-13 | 2021-07-22 | Festo Se & Co. Kg | Ventilvorrichtung, System und Verfahren |
US20220187857A1 (en) * | 2020-12-10 | 2022-06-16 | Griswold Industries | Control system for regulating waterworks pressure |
EP4334792A1 (de) * | 2021-05-06 | 2024-03-13 | Polymer Technologies Limited | Flüssigkeitsdruckreduzierventil |
CN116591265B (zh) * | 2023-06-07 | 2023-11-28 | 无锡申海供水设备制造有限公司 | 一种无负压二次供水设备智能控制方法及系统 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2023503A (en) * | 1934-01-18 | 1935-12-10 | Brooklyn Borough Gas Company | Remote pressure control apparatus |
US3136333A (en) * | 1960-04-25 | 1964-06-09 | Donald G Griswold | Modulating valve control systems |
US3369561A (en) * | 1966-05-04 | 1968-02-20 | Halliburton Co | System for automatic regulation of flow rate and pressure at a remote location |
JPS5350863A (en) * | 1976-10-20 | 1978-05-09 | Hitachi Ltd | Demand quantity estimating apparatus for flow rate pressure controlling in piping network |
US4304389A (en) * | 1979-07-09 | 1981-12-08 | Union Oil Company Of California | Remote control apparatus for hydraulically actuated devices |
US4394871A (en) * | 1980-12-31 | 1983-07-26 | The Boeing Company | Programmable pressure regulator for titanium superplastic forming apparatus |
GB2123983B (en) * | 1982-07-15 | 1986-01-08 | Delta Technical Services Ltd | Pressure controllers |
DE3725635A1 (de) * | 1987-08-03 | 1989-02-16 | Regel Messtechnik Gmbh | Pneumatisch arbeitendes gasdruckregelgeraet |
US4796651A (en) * | 1988-03-30 | 1989-01-10 | LeRoy D. Ginn | Variable gas volume flow measuring and control methods and apparatus |
US4953236A (en) | 1988-09-14 | 1990-09-04 | Lee Chang H | Automatic mixing faucet |
US5047965A (en) * | 1989-01-05 | 1991-09-10 | Zlokovitz Robert J | Microprocessor controlled gas pressure regulator |
US4961441A (en) * | 1989-11-13 | 1990-10-09 | Salter Stuart C | Method and system for controlling a pressure regulator |
US5097858A (en) * | 1990-05-01 | 1992-03-24 | Zlokovitz Robert J | Clock controlled gas pressure regulator |
GB9101390D0 (en) * | 1991-01-22 | 1991-03-06 | Technolog Ltd | Gas supply pressure control apparatus |
-
1992
- 1992-06-09 GB GB929212122A patent/GB9212122D0/en active Pending
-
1993
- 1993-06-08 NO NO932082A patent/NO309168B1/no unknown
- 1993-06-08 US US08/074,655 patent/US5460196A/en not_active Expired - Lifetime
- 1993-06-08 CA CA002097970A patent/CA2097970C/en not_active Expired - Lifetime
- 1993-06-09 AT AT93304465T patent/ATE170299T1/de active
- 1993-06-09 DE DE69320547T patent/DE69320547T2/de not_active Expired - Lifetime
- 1993-06-09 ES ES93304465T patent/ES2123620T3/es not_active Expired - Lifetime
- 1993-06-09 EP EP93304465A patent/EP0574241B1/de not_active Expired - Lifetime
- 1993-06-10 JP JP5139638A patent/JPH06161565A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014205332A1 (de) * | 2014-03-21 | 2015-09-24 | Siemens Aktiengesellschaft | Verfahren zur Druckregelung in einem Versorgungsnetz, Vorrichtung sowie Versorgungsnetz |
US10443217B2 (en) | 2014-03-21 | 2019-10-15 | Siemens Aktiengesellschaft | Method for pressure control in a supply network, device and supply network |
Also Published As
Publication number | Publication date |
---|---|
US5460196A (en) | 1995-10-24 |
GB9212122D0 (en) | 1992-07-22 |
NO309168B1 (no) | 2000-12-18 |
ATE170299T1 (de) | 1998-09-15 |
CA2097970A1 (en) | 1993-12-10 |
NO932082D0 (no) | 1993-06-08 |
ES2123620T3 (es) | 1999-01-16 |
EP0574241A1 (de) | 1993-12-15 |
CA2097970C (en) | 2005-08-09 |
NO932082L (no) | 1993-12-10 |
EP0574241B1 (de) | 1998-08-26 |
JPH06161565A (ja) | 1994-06-07 |
DE69320547D1 (de) | 1998-10-01 |
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