DE202013102935U1 - Thermoelectric temperature measuring module for measuring the temperature in a pipeline - Google Patents
Thermoelectric temperature measuring module for measuring the temperature in a pipeline Download PDFInfo
- Publication number
- DE202013102935U1 DE202013102935U1 DE202013102935U DE202013102935U DE202013102935U1 DE 202013102935 U1 DE202013102935 U1 DE 202013102935U1 DE 202013102935 U DE202013102935 U DE 202013102935U DE 202013102935 U DE202013102935 U DE 202013102935U DE 202013102935 U1 DE202013102935 U1 DE 202013102935U1
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- Germany
- Prior art keywords
- thermoelectric
- temperature measuring
- point
- thermoelectric temperature
- module according
- 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
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/064—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces the packing combining the sealing function with other functions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/024—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2205/00—Application of thermometers in motors, e.g. of a vehicle
- G01K2205/04—Application of thermometers in motors, e.g. of a vehicle for measuring exhaust gas temperature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Thermoelektrisches Temperaturmessmodul zur Messung der Temperatur von in einer Rohrleitung (1) strömender Gase und Flüssigkeiten, dadurch gekennzeichnet, dass an einer Verbindungsstelle der Rohrleitung (1) eine Messanordnung angeordnet ist, welche eine thermoelektrische Temperaturmessstelle (2) enthält, die zwei aus metallischen Scheiben oder Scheibensegmenten unterschiedlichen Materials bestehende Thermoleitungen enthält, welche an einer Messstelle (5) miteinander verbunden sind, welche in das Rohrinnere zeigend und medienberührend angeordnet ist, wobei die Thermoleitungen jeweils ein Anschlusselement (3) aufweisen, welches ein Anschlusspad (3.2) enthält, an dem eine Anschlussleitung (3.1) angeschlossen ist, welche aus dem gleichen Material wie die damit verbundene Scheibe oder das Scheibensegment besteht. Thermoelectric temperature measuring module for measuring the temperature of in a pipeline (1) flowing gases and liquids, characterized in that at a junction of the pipe (1) a measuring arrangement is arranged, which contains a thermoelectric temperature measuring point (2), the two of metallic discs or Disc segments of different material existing thermoelectric lines containing, which are connected to one another at a measuring point (5) pointing into the tube interior and in contact with the media, wherein the thermoelectric lines each having a connection element (3), which contains a connection pad (3.2) to which a Connecting line (3.1) is connected, which consists of the same material as the associated disc or the disc segment.
Description
Die Erfindung betrifft ein thermoelektrisches Temperaturmessmodul zur Messung der Temperatur von in einer Rohrleitung strömender Gase und Flüssigkeiten. The invention relates to a thermoelectric temperature measuring module for measuring the temperature of gases and liquids flowing in a pipeline.
Im Lebensmittel- und im Pharmaziebereich ist eine Vielzahl von Messstellen vorhanden, die die Mediumstemperatur durch die Rohrwandung hindurch messen. Dies wird erzielt durch aufwendige Anlegetemperaturfühler mit angefedertem Messstück und aufwendiger Sensorkonfiguration. Bei Anlegefühlern wird die Wärmeübertragung zwischen Prüfkörper und Messfühler nur über eine bestimmte Fläche, die sogenannte Anlagefläche, übertragen. In the food and pharmaceutical industry, a large number of measuring points are available, which measure the medium temperature through the pipe wall. This is achieved by complex contact temperature sensors with spring-loaded measuring piece and complex sensor configuration. In contact probes, the heat transfer between the test specimen and the probe is transmitted only over a certain area, the so-called contact surface.
Temperaturfühler, die in ein Messmedium ragen, sind in vielfältigen Ausführungen bekannt. Beispielsweise ist in
Für Messungen an engen Rohren werden Anlegefühler verwendet, die aber einen höheren Messfehler verursachen. Zur Verringerung des Messfehlers bei Anlegefühlern ist aus
Der Erfindung liegt die Aufgabe zugrunde, eine Temperaturmessvorrichtung zur Messung der Temperatur von in einer Rohrleitung strömender Gase und Flüssigkeiten zu schaffen, die eine hohe Messgenauigkeit ermöglicht und die für den Einsatz im Lebensmittel- und Pharmaziebereich geeignet ist. Die Temperaturmessvorrichtung soll molchfähig sein. The invention has for its object to provide a temperature measuring device for measuring the temperature of flowing in a pipeline gases and liquids, which allows a high measurement accuracy and which is suitable for use in the food and pharmaceutical industries. The temperature measuring device should be capable of digestion.
Die Aufgabe wird erfindungsgemäß durch ein Temperaturmessmodul mit den in den Ansprüchen 1 und 11 angegebenen Merkmalen gelöst. The object is achieved by a temperature measuring module with the features specified in
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche. Advantageous embodiments of the invention are the subject of the dependent claims.
An einer Verbindungsstelle der Rohrleitung ist eine Messanordnung angeordnet, welche eine thermoelektrische Temperaturmessstelle enthält. Die Messstelle enthält zwei metallische Bauteile, die als Ringe, Scheiben oder Scheibensegmente ausgebildet sind und aus unterschiedlichen Materialien bestehen. Diese Bauteile stellen die sogenannten Thermoschenkel eines Thermopaares dar und sind an einer Messstelle miteinander verbunden. Sie verfügen jeweils über ein Anschlusselement, welches ein Anschlusspad enthält, an dem eine Thermo- oder Ausgleichsleitung angeschlossen ist, welche aus dem gleichen Material wie das damit verbundene Bauteil besteht. At a connection point of the pipeline, a measuring arrangement is arranged, which contains a thermoelectric temperature measuring point. The measuring point contains two metallic components, which are formed as rings, discs or disc segments and consist of different materials. These components represent the so-called thermo leg of a thermocouple and are connected together at a measuring point. They each have a connection element which contains a connection pad, to which a thermal or compensation line is connected, which consists of the same material as the associated component.
Die Messstelle ist strömungstechnisch so ausgebildet, dass ein optimaler Wärmeübergang erreicht wird und der Strömungswiderstand der Rohrleitung nicht beeinflusst wird. The measuring point is fluidically designed so that an optimal heat transfer is achieved and the flow resistance of the pipeline is not affected.
Vorteilhafterweise dienen als metallische Bauteile ein oberer flacher Metallring und ein unterer flacher Metallring, welche jeweils an ihrem inneren Rand eine umlaufende Auskragung aufweisen. Die Berührungslinien der Auskragungen sind miteinander verschweißt, wobei die Schweißstelle die Messstelle bildet. Advantageously, serve as metallic components, an upper flat metal ring and a lower flat metal ring, which each have at their inner edge a circumferential projection. The contact lines of the projections are welded together, wherein the weld forms the measuring point.
Je kleiner der Durchmesser wird, umso kritischer ist die Temperaturmessung mittels Anlegetemperaturfühler. Daher treten insbesondere bei kleinen Durchmessern hohe Fehler mit diesen Anlegetemperaturfühlern auf. The smaller the diameter, the more critical is the temperature measurement by means of contact temperature sensors. Therefore, especially with small diameters, high errors occur with these contact temperature sensors.
Demgegenüber können mit der vorliegenden Dichtung sowohl Kosten gespart werden, da die Dichtungen deutlich kostengünstiger herstellbar sind, als auch eine wesentlich höhere Messgenauigkeit erreicht werden. Ursache für die hohe Messgenauigkeit ist, dass die ringförmige Schweißverbindung zwischen den beiden metallischen Ringteilen mit Kragen direkt mit dem Medium in Kontakt steht. Vorteilhaft ist ferner, dass die Messstelle nicht nur direkt mit dem Medium in Kontakt steht, sondern dass diese über den gesamten Innendurchmesser reicht, also räumlich sehr ausgedehnt ist und dadurch eine integrale Wirkung für die Messung bewirkt. Die kreisringförmige Schweißstelle entspricht einer unendlich großen Anzahl von Schweißpunkten für Einzelelemente, die in ihrer Wirkung einer Zusammenschaltung unendlich vieler thermoelektrischer Elemente entsprechen. In contrast, both costs can be saved with the present seal, since the seals are much cheaper to produce, as well as a much higher measurement accuracy can be achieved. The reason for the high measuring accuracy is that the annular welded connection between the two metallic ring parts with collars is in direct contact with the medium. A further advantage is that the measuring point is not only in direct contact with the medium, but that this extends over the entire inner diameter, that is spatially very extensive and thereby causes an integral effect for the measurement. The annular weld corresponds to an infinite number of welding points for individual elements, which correspond in their effect to an interconnection of infinitely many thermoelectric elements.
Es ist auch möglich, dass eine der beiden flachen Scheiben durch eine thermoelektrische Paste ersetzt wird, wobei die thermoelektrische Paste auf eine isolierte Scheibe aufgebracht und mit einer Isolierschicht versehen wird. Das Aufbringen erfolgt gemäß den technologischen Vorschriften für das Aufbringen metallischer Pasten, beispielsweise durch Einbrennen. Damit lassen sich besonders geringe Bauhöhen kostengünstig realisieren. It is also possible that one of the two flat disks is replaced by a thermoelectric paste, wherein the thermoelectric paste is applied to an insulated disk and provided with an insulating layer. The application is carried out in accordance with the technological requirements for the application of metallic pastes, for example by baking. This makes it possible to realize particularly low heights cost-effectively.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert. Embodiments of the invention are explained in more detail below with reference to drawings.
Darin zeigen: Show:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen. Corresponding parts are provided in all figures with the same reference numerals.
Der Fühler und seine elektrischen Anschlüsse sind mit einer Isolierung aus Teflon oder teflonartigen Kunststoffen versehen. The sensor and its electrical connections are provided with Teflon or Teflon-type plastic insulation.
In
In
In
Es ist auch möglich, dass anstelle der flachen Metallringscheibe
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1 1
- Rohrleitung pipeline
- 1.1 1.1
- obere Rohrleitung mit Flansch upper pipeline with flange
- 1.2 1.2
- untere Rohrleitung mit Flansch lower pipeline with flange
- 2 2
- Temperaturmessstelle Temperature measuring point
- 2.1 2.1
- unterer Metallring lower metal ring
- 2.2 2.2
- oberer Metallring upper metal ring
- 2.3 2.3
- erstes Ringteil first ring part
- 2.4 2.4
- zweites Ringteil second ring part
- 3 3
- Anschlusselement connecting element
- 3.1 3.1
- Anschlussleitung connecting cable
- 3.2 3.2
- Anschlusspad contact pad
- 4 4
- Zwischenisolierung intermediate isolation
- 5 5
- Messstelle measuring point
- 6 6
- Isolationsüberzug insulation coating
- 7 7
- elastischer O-Ring elastic O-ring
- 8 8th
- thermoelektrische Paste thermoelectric paste
- 10.1 10.1
- unterer Metallhohlring lower metal hollow ring
- 10.2 10.2
- oberer Metallhohlring upper metal hollow ring
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 10236036 A1 [0003] DE 10236036 A1 [0003]
- DE 10227454 A1 [0004] DE 10227454 A1 [0004]
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202013102935U DE202013102935U1 (en) | 2013-03-07 | 2013-03-07 | Thermoelectric temperature measuring module for measuring the temperature in a pipeline |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013203904.2A DE102013203904B3 (en) | 2013-03-07 | 2013-03-07 | Thermoelectric temperature measuring module for measuring temperature of e.g. gas flowing in pipeline in e.g. food industry, has spacers comprising connector including pad, and lines made of same material as segment material |
DE202013102935U DE202013102935U1 (en) | 2013-03-07 | 2013-03-07 | Thermoelectric temperature measuring module for measuring the temperature in a pipeline |
Publications (1)
Publication Number | Publication Date |
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DE202013102935U1 true DE202013102935U1 (en) | 2013-08-08 |
Family
ID=50437272
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102013203904.2A Active DE102013203904B3 (en) | 2013-03-07 | 2013-03-07 | Thermoelectric temperature measuring module for measuring temperature of e.g. gas flowing in pipeline in e.g. food industry, has spacers comprising connector including pad, and lines made of same material as segment material |
DE202013102935U Expired - Lifetime DE202013102935U1 (en) | 2013-03-07 | 2013-03-07 | Thermoelectric temperature measuring module for measuring the temperature in a pipeline |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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DE102013203904.2A Active DE102013203904B3 (en) | 2013-03-07 | 2013-03-07 | Thermoelectric temperature measuring module for measuring temperature of e.g. gas flowing in pipeline in e.g. food industry, has spacers comprising connector including pad, and lines made of same material as segment material |
Country Status (1)
Country | Link |
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DE (2) | DE102013203904B3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3828523A1 (en) * | 2019-11-27 | 2021-06-02 | Temperaturmesstechnik Geraberg GmbH | Seal with integrated thermoelectric temperature measuring points and method for determining temperature and self-diagnosis |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016005514B8 (en) | 2016-04-29 | 2019-01-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Thermoelectric measuring device and its use |
DE102017110949B3 (en) | 2017-05-19 | 2018-05-03 | Humboldt-Universität Zu Berlin | Thermoelectric composite |
DE102018113914A1 (en) | 2018-06-11 | 2019-12-12 | Kempchen Dichtungstechnik Gmbh | Flange sealing ring with integrated thermoelectric measuring device and piping arrangement |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10227454A1 (en) | 2001-11-12 | 2003-05-22 | Temperaturmestechnik Geraberg | Contact temperature sensor has a contact body with a recess containing heat conducting paste covered by a heat conducting film that is brought into contact with a test body so that paste if forced through film perforations |
DE10236036A1 (en) | 2002-08-06 | 2004-02-19 | Temperaturmeßtechnik Geraberg GmbH | High temperature sensor for use in the range of 600 to 900 centigrade, has metallic protection tube encasing a measurement resistance within a ceramic capsule, the tube itself being filled with ceramic, oxygen rich, powder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT236676B (en) * | 1961-04-28 | 1964-11-10 | Oesterr Studien Atomenergie | Thermocouple probe for measuring the temperature of a flowing medium |
DE2938086C2 (en) * | 1979-09-20 | 1981-08-13 | Transformatoren Union Ag, 7000 Stuttgart | Temperature sensor for determining the coolant temperature in liquid-cooled transformers |
DE3328844C2 (en) * | 1983-08-10 | 1985-09-19 | Rheinische Braunkohlenwerke AG, 5000 Köln | Device for measuring the temperature of media flowing in a pipeline |
-
2013
- 2013-03-07 DE DE102013203904.2A patent/DE102013203904B3/en active Active
- 2013-03-07 DE DE202013102935U patent/DE202013102935U1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10227454A1 (en) | 2001-11-12 | 2003-05-22 | Temperaturmestechnik Geraberg | Contact temperature sensor has a contact body with a recess containing heat conducting paste covered by a heat conducting film that is brought into contact with a test body so that paste if forced through film perforations |
DE10236036A1 (en) | 2002-08-06 | 2004-02-19 | Temperaturmeßtechnik Geraberg GmbH | High temperature sensor for use in the range of 600 to 900 centigrade, has metallic protection tube encasing a measurement resistance within a ceramic capsule, the tube itself being filled with ceramic, oxygen rich, powder |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3828523A1 (en) * | 2019-11-27 | 2021-06-02 | Temperaturmesstechnik Geraberg GmbH | Seal with integrated thermoelectric temperature measuring points and method for determining temperature and self-diagnosis |
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Publication number | Publication date |
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DE102013203904B3 (en) | 2014-04-24 |
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Effective date: 20131002 |
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R152 | Utility model maintained after payment of third maintenance fee after eight years | ||
R071 | Expiry of right |