DE3788590T2 - Verfahren und Vorrichtung zur zeitbereichreflektometrischen Bestimmung der relativen Proportion des Flüssigkeitsgehaltes und der Turbulenz. - Google Patents
Verfahren und Vorrichtung zur zeitbereichreflektometrischen Bestimmung der relativen Proportion des Flüssigkeitsgehaltes und der Turbulenz.Info
- Publication number
- DE3788590T2 DE3788590T2 DE3788590T DE3788590T DE3788590T2 DE 3788590 T2 DE3788590 T2 DE 3788590T2 DE 3788590 T DE3788590 T DE 3788590T DE 3788590 T DE3788590 T DE 3788590T DE 3788590 T2 DE3788590 T2 DE 3788590T2
- Authority
- DE
- Germany
- Prior art keywords
- constituents
- fluid system
- probe
- measure
- relative proportions
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/035—Moderator- or coolant-level detecting devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Paper (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/855,805 US4786857A (en) | 1986-04-24 | 1986-04-24 | Methods and apparatus for time domain reflectometry determination of relative proportion, fluid inventory and turbulence |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3788590D1 DE3788590D1 (de) | 1994-02-10 |
DE3788590T2 true DE3788590T2 (de) | 1994-07-14 |
Family
ID=25322106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3788590T Expired - Fee Related DE3788590T2 (de) | 1986-04-24 | 1987-04-24 | Verfahren und Vorrichtung zur zeitbereichreflektometrischen Bestimmung der relativen Proportion des Flüssigkeitsgehaltes und der Turbulenz. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4786857A (de) |
EP (1) | EP0244033B1 (de) |
AT (1) | ATE99421T1 (de) |
DE (1) | DE3788590T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022125338A1 (de) | 2022-09-30 | 2024-04-04 | Vega Grieshaber Kg | Füllstandmesseinrichtung |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0420895A4 (en) * | 1988-06-20 | 1992-05-20 | Commonwealth Scientific And Industrial Research Organisation | Measurement of moisture content and electrical conductivity |
US4994749A (en) * | 1988-12-16 | 1991-02-19 | General Electric Company | Liquid sensor with high sensitivity near empty |
FR2649793B1 (fr) * | 1989-07-11 | 1993-09-03 | Aerospatiale | Capteur coaxial micro-onde et chaine de mesure comprenant ce capteur pour la mesure en continu de la viscosite d'un milieu visqueux |
GB2260235B (en) * | 1991-09-26 | 1995-07-12 | Schlumberger Ind Ltd | Measurement of liquid level |
US5420517A (en) * | 1992-03-23 | 1995-05-30 | Soilmoisture Equipment Corp. | Probe for measuring moisture in soil and other mediums |
US5251622A (en) * | 1992-04-10 | 1993-10-12 | Random Technologies, Inc. | Responsive pacemaker with time domain reflectometer and method of use |
US5231987A (en) * | 1992-04-10 | 1993-08-03 | Random Technologies, Inc. | Time domain reflectometer-integrity testing system and method for implantable electrode |
US5233986A (en) * | 1992-04-10 | 1993-08-10 | Random Technologies, Inc. | Time domain reflectometer-integrity testing system and method for medical device electrode |
MY108816A (en) * | 1992-05-28 | 1996-11-30 | Shell Int Research | An apparatus for measuring the water bottom of a product storage tank and providing water bottom informaiton |
US5376888A (en) * | 1993-06-09 | 1994-12-27 | Hook; William R. | Timing markers in time domain reflectometry systems |
US5479610A (en) * | 1993-11-01 | 1995-12-26 | Northrop Grumman Corporation | System interface fault isolator test set |
US5554936A (en) * | 1994-12-01 | 1996-09-10 | Mohr; Charles L. | Mixed fluid time domain reflectometry sensors |
US5561245A (en) * | 1995-04-17 | 1996-10-01 | Western Atlas International, Inc. | Method for determining flow regime in multiphase fluid flow in a wellbore |
US5717337A (en) * | 1996-01-16 | 1998-02-10 | Kelly; John M. | Time-domain reflectometer based measurement system |
US5729123A (en) * | 1996-04-11 | 1998-03-17 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for probing relative volume fractions |
US5818241A (en) * | 1996-05-30 | 1998-10-06 | Kelly; John M. | Moisture sensor using helical transmission line |
US5651286A (en) * | 1996-07-23 | 1997-07-29 | Teleflex Incorporated | Microprocessor based apparatus and method for sensing fluid level |
US5729787A (en) * | 1996-07-23 | 1998-03-17 | Eastman Kodak Company | Toner concentration monitor and method |
US5920195A (en) * | 1996-12-18 | 1999-07-06 | The United States Of America As Represented By The Secretary Of Agriculture | Apparatus and method for the measurement of forest duff moisture content |
US6144211A (en) | 1998-06-25 | 2000-11-07 | Mohr; Charles L. | Cross-channel probe system for time domain reflectometry detection of fluid flow |
US6644114B1 (en) * | 1999-12-30 | 2003-11-11 | Mcewan Technologies, Llc | Direct PWM reflectometer |
CA2310417C (en) | 2000-05-30 | 2010-02-23 | Esi Environmental Sensors Inc. | Fluid sensor |
US6750657B2 (en) | 2000-11-23 | 2004-06-15 | Vega Grieshaber Kg | Combination of a feedthrough element for an electric high-frequency signal and a probe, and a level meter metering device including a combination of this type |
DE10136754A1 (de) * | 2001-07-27 | 2003-02-13 | Siemens Ag | Verfahren und Vorrichtung zur Dichtebestimmung |
CA2384257A1 (en) * | 2002-04-29 | 2003-10-29 | Siemens Milltronics Process Instruments Inc. | Time domain reflectometry probe for level sensing |
DE10220479A1 (de) | 2002-05-07 | 2003-11-27 | Framatome Anp Gmbh | Verfahren zur Ermittlung eines Positionskennwerts für eine Grenzschicht eines in einem Behälter vorgehaltenen Mediums |
DE10220478A1 (de) * | 2002-05-07 | 2003-11-27 | Framatome Anp Gmbh | Elektrische Durchführung und Verwendung der elektrischen Durchführung |
DE10240550A1 (de) * | 2002-08-29 | 2004-03-18 | Krohne S.A. | Füllstandsmeßgerät |
ITBA20040032A1 (it) * | 2004-07-14 | 2004-10-14 | Pasquale Cavaliere | Sistema integrato per misure di livello di liquidi e di fasi in sistemi complessi. |
EP1889015A4 (de) | 2005-06-08 | 2014-06-11 | Lumenite Control Technology Inc | Selbstkalibrierender flüssigkeitsstand-sender |
DE102005049278B4 (de) * | 2005-09-14 | 2007-08-16 | Siemens Ag | Vorrichtung zur Messung von Füllständen mittels geführter Wellen in einem Kraftstoffbehälter |
US8746045B2 (en) * | 2006-11-17 | 2014-06-10 | Meggitt (Orange County), Inc. | System and method for identifying fluids and monitoring fluid quality in a vessel |
US8794063B2 (en) | 2007-01-08 | 2014-08-05 | Meggitt (Orange County), Inc. | System and method for optimizing sweep delay and aliasing for time domain reflectometric measurement of liquid height within a tank |
US8532244B2 (en) * | 2007-06-14 | 2013-09-10 | General Electric Company | System and method for determining coolant level and flow velocity in a nuclear reactor |
JP2010540942A (ja) * | 2007-10-01 | 2010-12-24 | バイブロ−メーター インコーポレイテッド | 容器中の流体レベルを正確に測定するシステムおよび方法 |
US8549909B2 (en) | 2007-10-01 | 2013-10-08 | Meggitt (Orange County), Inc. | Vessel probe connector with solid dielectric therein |
DE102007061573A1 (de) * | 2007-12-18 | 2009-06-25 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Ermittlung und/oder Überwachung zumindest eines Füllstands von zumindest einem Medium in einem Behälter gemäß einer Laufzeitmessmethode und/oder einer kapazitiven Messmethode |
TWI368026B (en) * | 2008-02-27 | 2012-07-11 | Univ Nat Chiao Tung | Modified tdr method and apparatus for suspended solid concentration measurement |
GB201203205D0 (en) * | 2012-02-24 | 2012-04-11 | Mobrey Ltd | Improvements in or relating to interface detection |
DE102012101725A1 (de) * | 2012-03-01 | 2013-09-05 | Sick Ag | Verfahren zur Füllstandsmessung |
EP2711673B1 (de) * | 2012-09-25 | 2017-03-15 | VEGA Grieshaber KG | Koaxialsonde mit Abschlusswiderstand und Zeitbereichsreflektometrie-Füllstandmessgerät |
US9546895B2 (en) * | 2012-09-27 | 2017-01-17 | Magnetrol International, Incorporated | Time domain reflectometry based method for emulsion detection and profiling |
US8963769B2 (en) * | 2012-10-16 | 2015-02-24 | Magnetrol International, Incorporated | Guided wave radar interface measurement medium identification |
US9074922B2 (en) * | 2012-12-10 | 2015-07-07 | Ge-Hitachi Nuclear Energy Americas Llc | Systems and methods for remotely measuring a liquid level using time-domain reflectometry (TDR) |
CA3012210A1 (en) * | 2014-05-08 | 2015-11-12 | WellGauge, Inc. | Well water depth monitor |
WO2016025979A1 (en) * | 2014-08-21 | 2016-02-25 | Hawk Measurement Systems Pty. Ltd. | Method and apparatus for detecting the level of a medium |
US10055519B2 (en) * | 2014-10-23 | 2018-08-21 | Honeywell International Inc. | Pulse shape change for interface determination |
EP3035042A1 (de) * | 2014-12-18 | 2016-06-22 | Airbus Defence and Space GmbH | Sensoreinrichtung, Messanordnung und Materialparametererfassungs-Verfahren |
EP3035043A1 (de) * | 2014-12-18 | 2016-06-22 | Airbus Defence and Space GmbH | Sensoreinrichtung und Herstellverfahren hierfür sowie Messvorrichtung |
CN106932504B (zh) * | 2015-12-31 | 2019-05-10 | 中核建中核燃料元件有限公司 | 一种燃料棒内冷空间当量水含量测量装置 |
US11262323B2 (en) | 2016-06-03 | 2022-03-01 | Mohr and Associates | Method for identifying and characterizing a condensate entrained within a fluid |
US10048219B2 (en) | 2016-06-03 | 2018-08-14 | Mohr and Associates | Probe for indentifying and measuring volume fraction constituents of a fluid |
US10119850B2 (en) | 2016-06-03 | 2018-11-06 | Mohr and Associates | Apparatus for identifying and measuring volume fraction constituents of a fluid |
US10119929B2 (en) | 2016-06-03 | 2018-11-06 | Mohr and Associates | Method for identifying and measuring volume fraction constituents of a fluid |
US11549910B2 (en) | 2017-05-20 | 2023-01-10 | Mohr and Associates | Method for measuring multiple parameters of drilling fluid |
US20190257935A1 (en) * | 2018-02-19 | 2019-08-22 | Magnetrol International, Incorporated | Time domain reflectometry instrument with bottom up algorithm |
US11280660B2 (en) * | 2019-06-05 | 2022-03-22 | Ge-Hitachi Nuclear Energy Americas Llc | System and method using time-domain reflectometry to measure a level of a liquid |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424002A (en) * | 1965-06-01 | 1969-01-28 | Marathon Oil Co | Apparatus for the determination of location of interfaces between different materials |
US3474337A (en) * | 1966-12-27 | 1969-10-21 | Jackson & Church Electronics C | System for sensing levels and electrical characteristics of fluent materials |
US3572119A (en) * | 1969-08-07 | 1971-03-23 | Bendix Corp | Fluid quantity indicating device |
US3626284A (en) * | 1969-08-07 | 1971-12-07 | Bendix Corp | An apparatus for measuring changes in microwave frequencies corresponding to the density of a fluid |
US3695107A (en) * | 1970-06-01 | 1972-10-03 | Hertz Carl H | Method of measuring the level of a material in a tank, and an apparatus for practicing this method |
US3832900A (en) * | 1971-06-28 | 1974-09-03 | Sperry Rand Corp | Apparatus and method for measuring the level of a contained liquid |
IT961071B (it) * | 1971-09-04 | 1973-12-10 | Cnen | Sonda ed installazione per la misura di livelli di interfacce di fluidi e delle costanti dielettri che degli stessi |
US3853005A (en) * | 1973-08-29 | 1974-12-10 | Measurand Syst | Interface measuring apparatus |
US3922914A (en) * | 1974-09-18 | 1975-12-02 | Us Interior | Bed level monitor |
US3995212A (en) * | 1975-04-14 | 1976-11-30 | Sperry Rand Corporation | Apparatus and method for sensing a liquid with a single wire transmission line |
US4135397A (en) * | 1977-06-03 | 1979-01-23 | Krake Guss L | Level measuring system |
US4170135A (en) * | 1978-09-26 | 1979-10-09 | The United States Of America As Represented By The United States Department Of Energy | Coaxial cavity for measuring level of liquid in a container |
CA1169943A (en) * | 1980-06-13 | 1984-06-26 | John B. Cole | Method and apparatus for measuring the position of an interface between different materials by frequency domain reflectometry |
US4510437A (en) * | 1980-10-06 | 1985-04-09 | University Of Utah | Apparatus and method for measuring the permittivity of a substance |
US4345202A (en) * | 1980-12-19 | 1982-08-17 | General Motors Corporation | Method of detecting soot in engine oil using microwaves |
US4495807A (en) * | 1983-02-24 | 1985-01-29 | The United States Of America As Represented By The United States Department Of Energy | Precision liquid level sensor |
-
1986
- 1986-04-24 US US06/855,805 patent/US4786857A/en not_active Expired - Lifetime
-
1987
- 1987-04-24 AT AT87200787T patent/ATE99421T1/de not_active IP Right Cessation
- 1987-04-24 EP EP87200787A patent/EP0244033B1/de not_active Expired - Lifetime
- 1987-04-24 DE DE3788590T patent/DE3788590T2/de not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022125338A1 (de) | 2022-09-30 | 2024-04-04 | Vega Grieshaber Kg | Füllstandmesseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
US4786857A (en) | 1988-11-22 |
ATE99421T1 (de) | 1994-01-15 |
DE3788590D1 (de) | 1994-02-10 |
EP0244033B1 (de) | 1993-12-29 |
EP0244033A2 (de) | 1987-11-04 |
EP0244033A3 (en) | 1988-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3788590D1 (de) | Verfahren und Vorrichtung zur zeitbereichreflektometrischen Bestimmung der relativen Proportion des Flüssigkeitsgehaltes und der Turbulenz. | |
Zegelin et al. | Improved field probes for soil water content and electrical conductivity measurement using time domain reflectometry | |
FR2614105B1 (fr) | Appareil et sonde pour le test de cartes de circuit imprime | |
FR2647551B1 (fr) | Sonde electro-optique pour la mesure de signaux ou de champs electriques et son application | |
KR970022333A (ko) | 펄스계 임피던스 측정계기 | |
DE69709896T2 (de) | Grenzschicht-niveaumessung | |
ATE286673T1 (de) | Gerät zur feststellung von hautimpedanzveränderungen | |
ATE215219T1 (de) | Verfahren und vorrichtung zur bestimmung einer flüssigkeitshöhe mit hilfe von ultraschallimpulsen | |
DE59010001D1 (de) | Verfahren und eine Vorrichtung zur Messung des volumetrischen Wasseranteils mineralischer und/oder organischer Gemische | |
ATE225505T1 (de) | Verfahren zur bestimmung des volumetrischen flüssigwasseranteils und der dichte von schnee und vorrichtung zur durchführung des verfahrens | |
DE69737879D1 (de) | Durchflussmesser und Verfahren zum Betreiben eines Durchflussmessers | |
FR2740224B1 (fr) | Disposition de sonde de mesure par contact pour connecter electriquement un systeme de test aux plages de contact circulaires d'un dispositif qui doit etre teste | |
ATA300686A (de) | Verfahren und messeinrichtung zur bestimmung des gehaltes an magnetisierbarer substanz in einer probe | |
AU2021201A (en) | Apparatus and method for measuring a property of a liquid | |
Mallan et al. | The Use of Time Domain Reflectometry to Detect the Movement of Contaminants in a Simulated Aquifer | |
DE69421619T2 (de) | Phosphattest | |
YU47470B (sh) | Sistem za prenos podataka | |
ATE105080T1 (de) | Verfahren zur messung eines zeitlichen versatzes einander zugeordneter ultraschallsignale und zugehoeriger messanordnungen. | |
RU2125244C1 (ru) | Способ определения уровня вещества | |
ES2111444A1 (es) | Dispositivo para la determinacion simultanea del contenido de agua o grado de humedad y conductividad electrica en terrenos o materiales de baja constante dielectrica. | |
Baba et al. | Ultrasonic Monitoring of Sewage Sludge Coagulation During Chemical Conditioning | |
SU1841004A2 (ru) | Устройство для распознавания бинарных фазоманипулированных сигналов | |
DE29505764U1 (de) | Vorrichtung zum Messen der Koagulationseigenschaften von Test-Flüssigkeiten |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |