DE9413697U1 - Device for taking samples as a solid or liquid from boilers - Google Patents
Device for taking samples as a solid or liquid from boilersInfo
- Publication number
- DE9413697U1 DE9413697U1 DE9413697U DE9413697U DE9413697U1 DE 9413697 U1 DE9413697 U1 DE 9413697U1 DE 9413697 U DE9413697 U DE 9413697U DE 9413697 U DE9413697 U DE 9413697U DE 9413697 U1 DE9413697 U1 DE 9413697U1
- Authority
- DE
- Germany
- Prior art keywords
- sample container
- probe
- solid
- liquid
- taking samples
- 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
- 239000007787 solid Substances 0.000 title description 8
- 239000007788 liquid Substances 0.000 title description 6
- 239000000523 sample Substances 0.000 claims description 40
- 238000005259 measurement Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007790 solid phase Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
- G01F11/086—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type using an auxiliary pressure to cooperate with the diaphragm or bellows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
- G01F11/088—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type using a deformable conduit-like element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/12—Dippers; Dredgers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
- G01N2001/1037—Sampling from special places from an enclosure (hazardous waste, radioactive)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N2035/1025—Fluid level sensing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
- G01N9/28—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences by measuring the blowing pressure of gas bubbles escaping from nozzles at different depths in a liquid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Description
Vorrichtung zum Entnehmen von Probsn als Feststoff oder Flüssigkeit aus KesselnDevice for taking samples as solid or liquid from vessels
Stand der TechnikState of the art
Aus Kesseln, in denen aus verschiedenen Stoffen durch Rühren unter Druck und Temperatur ein neues Produkt erstellt wird, sind in gewissen Phasen des Prozesses Proben zu entnehmen.Samples must be taken at certain stages of the process from vessels in which a new product is created from various substances by stirring under pressure and temperature.
Zu Anfang ist der Kesse! mit einer über die gesamte Füllhöhe gleichmäßigen Mischung aus. Feststoffen und Flüssigkeit gefüllt. Im Verlauf des Prozesses bildet sich langsam eine festere Phase, bis sich zum Ende des Prozesses im unteren Teii eine teigartige Masse gebildet hat. Genau an der sich bildenden Trennschicht zwischen der Masse und der sich darüber befindenden Flüssigkeit sollen Proben aus der festen Schicht entnommen werden.At the beginning, the kettle is filled with a mixture of solids and liquid that is evenly distributed over the entire filling level. As the process progresses, a more solid phase slowly forms until, at the end of the process, a dough-like mass has formed in the lower part. Samples should be taken from the solid layer precisely at the separating layer that forms between the mass and the liquid above it.
Da die Befüilung des Kesseis nicht immer gleich ist, ergeben sich unterschiedliche Niveaustände. Ebenfalls unterschiedlich ist auch, je nach Prozessfortschriit, der Zustand und die Höhe der festen Phase.Since the filling of the vessel is not always the same, different levels occur. The state and height of the solid phase also vary depending on the progress of the process.
Problemproblem
Bisher werden Proben mit einem Schöpfbecher entnommen, der an einer langen Stange befestigt ist und der von Hand durch eine Öffnung oben auf dem Kessel bis auf die feste Schicht abgesenkt wird.Until now, samples have been taken using a scoop attached to a long rod that is lowered by hand through an opening on top of the vessel down to the solid layer.
Diese Probenahme verläuft nicht zufriedenste!lend, da das Füiien des Schöpfbechers problematisch ist und der offene Schöpfbecher beim Hochziehen die flüssige Phase durchlaufen muß.This sampling procedure is not satisfactory because filling the scoop is problematic and the open scoop has to pass through the liquid phase when being pulled up.
Soweit bekannt, gibt es bisher keine andere zufriedenstellende Lösung, da der Einsatz z.B. von Greifern oder anderen Vorrichtungen an dem Problem des Befüllens, der Verschmutzung und speziell dem Umfüllen in einen Probenbehälter scheitert.As far as is known, there is currently no other satisfactory solution, since the use of grippers or other devices, for example, fails due to the problem of filling, contamination and especially transferring into a sample container.
Aufgabe der ErfindungObject of the invention
Die Aufgabe der vorliegenden Erfindung besteht darin,The object of the present invention is
1. die Trennschicht zwischen der flüssicen und festen Phase zu ermitteln.1. to determine the interface between the liquid and solid phases.
Blatt 1 von 6Page 1 of 6
2. Eine Probe aus der festen Schicht zu entnehmen.2. Take a sample from the solid layer.
3. Den Zustand der Probe beim Durchfahren von anderen Schichten (flüssig oder fest) nicht zu beeinflussen.. >3. The state of the sample should not be influenced when passing through other layers (liquid or solid). >
4. Das Umfüiien der Probe in einen Transportbehälter zu vermeiden.4. Avoid transferring the sample into a transport container.
LösungSolution
Das Prinzip der Erfindung besteht darin, einen speziell entwickelten Probenbehälter Fig. 1 mit einer Sonde Fig. 3 direkt in die jeweils gewünschte Tiefe abzusenken, dabei gleichzeitig die Niveauhöhe allgemein und die Lage der Trennschicht zwischen fest und flüssig zu messen und an der Trennschicht eine Probe aufzunehmen.The principle of the invention consists in lowering a specially developed sample container Fig. 1 with a probe Fig. 3 directly to the desired depth, while simultaneously measuring the level height in general and the position of the separation layer between solid and liquid and taking a sample at the separation layer.
Das Gerät nach vorliegender Erfindung besteht:The device according to the present invention consists of:
1. aus einem Probenbehälter Fig. 1, der nach dem Prinzip einer Tube funktioniert.1. from a sample container Fig. 1, which functions according to the principle of a tube.
Der Probenbehälter, in Form eines Zylinders, besitzt eine flexible Außenwand 1.1 und kann dadurch vollständig, wie eine Tube, flachgedrückt werden Fig. 2. Ein Kolben 1.2 im Zylinder ermöglicht problemlos ein Herausdrücken der Probe. Mit einer Kappe 1.3 kann der Behäiter verschlossen werden.The sample container, in the form of a cylinder, has a flexible outer wall 1.1 and can therefore be completely flattened like a tube (Fig. 2). A piston 1.2 in the cylinder makes it easy to press out the sample. The container can be closed with a cap 1.3.
2. aus einer Sonde Fig. 3, mit der der Probenbehälter im Kessel abgesenkt werden kann.2. from a probe Fig. 3, with which the sample container can be lowered into the vessel.
3. aus einer in der Sonde integrierten Möglichkeit zur Niveaumessung. 3.13. from a level measurement facility integrated into the probe. 3.1
Die Niveaumessung erfolgt durch Einblasen von Luft (oder anderen Gasen), wobei gleichzeitig der Druck gemessen wird, der je nach Höhe des Niveaus entsprechend ansteigt und bei Erreichen der festen Phase ein eindeutiges Signal (starke Druckerhöhung) gibt.The level is measured by blowing in air (or other gases), while simultaneously measuring the pressure, which increases depending on the level and gives a clear signal (strong increase in pressure) when the solid phase is reached.
4. aus einer in der Sonde integrierten Druckkammer 3.2 für das vollständige Zusammenpressen des Probenbehäiters auf gesamter Länge (Tube).4. from a pressure chamber 3.2 integrated in the probe for the complete compression of the sample container along its entire length (tube).
&dgr;. aus einer in der Sonde integrierten Verschiußvorrichiung 3.3 für das Verschließen des Probenbehälters an einer definierten Stelle.&dgr;. from a closure device 3.3 integrated in the probe for closing the sample container at a defined location.
Blatt 2 von 6Page 2 of 6
Die Vorrichtung kann aus einer Quetschmemoiane oder 2 Wellrohrkörpem bestehen, - die von einem Gasdruck zusammengepreßt werden. ■- The device can consist of a compression membrane or 2 corrugated tube bodies, - which are pressed together by gas pressure. ■-
Angabe der Wirkung der Erfindung s. Fig. 4For the effect of the invention see Fig. 4
Zum Zwecke der Probenahme wird der Probenbehälter in die Sonde geschraubt 4,2 und durch Erhöhung des Druckes in der Kammer 3.2 Fig. 3 flachgedrückt. Hierdurch entweicht die Luft aus dem Probenbehälter, wodurch später das voliständige Befüllen des Probenbehälters möglich wird.For the purpose of sampling, the sample container is screwed into the probe 4.2 and flattened by increasing the pressure in the chamber 3.2 Fig. 3. This causes the air to escape from the sample container, which later makes it possible to completely fill the sample container.
Die Sonde wird in den Kessel abgesenkt und gleichzeitig durch eine Öffnung vorne am Sondenkopf Gas ausgeblasen 4.4. Ein separates Druckmeßsystem mißt beim Absenken der Sonde diesen Gasdruck, der ein Wert für die Höhe des Niveaus ist.The probe is lowered into the boiler and at the same time gas is blown out through an opening at the front of the probe head 4.4. When the probe is lowered, a separate pressure measuring system measures the gas pressure, which is a value for the level.
Bei Erreichen der festen Phase wird der Gasdruck in Kammer 3.2 Fig. 3 abgesenkt und der Probenbehälter kann sich bei weiterem Absenken der Sonde mit der Probe füllen 4.5. Durch eine Verschlußvorrichtung kann der Probenbehälter an einer Stelle zusammengedrückt werden, wodurch er verschlossen und der Inhalt gesichert wird.When the solid phase is reached, the gas pressure in chamber 3.2 Fig. 3 is reduced and the sample container can fill with the sample as the probe is lowered further 4.5. A closure device can be used to compress the sample container at one point, thereby closing it and securing the contents.
Nachdem die Sonde aus dem Kessel hochgezogen wurde, kann der Probenbehälter mit einer Kappe verschlossen werden 4.8, die Verschlußvorrichtung wird geöffnet 4.9 und der gefüllte Probenbehälter freigegeben. Er kann dann der Sonde entnommen werden. 4.10After the probe has been pulled out of the vessel, the sample container can be closed with a cap 4.8, the closure device is opened 4.9 and the filled sample container is released. It can then be removed from the probe. 4.10
Blatt 3 von 6Page 3 of 6
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9413697U DE9413697U1 (en) | 1994-08-25 | 1994-08-25 | Device for taking samples as a solid or liquid from boilers |
| DE19530709A DE19530709C2 (en) | 1994-08-25 | 1995-08-21 | Probe for taking samples as a solid or liquid from boilers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9413697U DE9413697U1 (en) | 1994-08-25 | 1994-08-25 | Device for taking samples as a solid or liquid from boilers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9413697U1 true DE9413697U1 (en) | 1994-11-03 |
Family
ID=6912811
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9413697U Expired - Lifetime DE9413697U1 (en) | 1994-08-25 | 1994-08-25 | Device for taking samples as a solid or liquid from boilers |
| DE19530709A Expired - Fee Related DE19530709C2 (en) | 1994-08-25 | 1995-08-21 | Probe for taking samples as a solid or liquid from boilers |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19530709A Expired - Fee Related DE19530709C2 (en) | 1994-08-25 | 1995-08-21 | Probe for taking samples as a solid or liquid from boilers |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE9413697U1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360620B1 (en) | 1996-09-16 | 2002-03-26 | Rotek A/S | Method and sample extractor for the extraction of intact fluid samples |
| CN117740447B (en) * | 2024-02-21 | 2024-05-10 | 潍坊市检验检测中心 | Food inspection sampling equipment |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1573116A1 (en) * | 1966-04-01 | 1969-08-14 | Vdo Schindling | Device for measuring the liquid level in a container |
| DE2203174A1 (en) * | 1972-01-24 | 1973-08-16 | Sarstedt Kunststoff | DEVICE FOR REMOVING, DISTRIBUTING AND STORING LIQUIDS |
| DE2435663A1 (en) * | 1973-07-27 | 1975-02-06 | Coulter Electronics | LEVEL DETECTION AND SAMPLE SYSTEM |
| DE2746255A1 (en) * | 1976-10-16 | 1978-04-20 | S E Am Pa | MEASURING SYSTEM FOR LIQUID RESERVES IN WAREHOUSES, CISTERNS OR DGL. |
| DE7829458U1 (en) * | 1979-05-17 | Schwarzmaier, Guntram, Dr., 8021 Taufkirchen | Device for taking water samples from a predetermined depth | |
| US4197746A (en) * | 1978-11-15 | 1980-04-15 | Hach Chemical Company | Slurry pipet |
| DE3039475A1 (en) * | 1980-10-18 | 1982-05-27 | Eppendorf Gerätebau Netheler + Hinz GmbH, 2000 Hamburg | Compressed air sensor - controls level of cannula removing measured amt. of liq. from container |
| DE3235946A1 (en) * | 1981-09-30 | 1983-04-28 | Lars 41476 Göteborg Brännström | STERILE WORKING WATER COLLECTING DEVICE THAT IS A SAMPLING DEVICE AND A SAMPLING COLLECTOR, THAT ARE ARRANGED TO BE FROM THE OUTSIDE WITH THE SIMULTANEOUS OPENING OF AN INLET TO THE EVACUATED SAMPLING COLLECTOR |
| DE3310032A1 (en) * | 1983-03-19 | 1984-09-20 | Dr. H. Tiefenbach Gmbh & Co, 4300 Essen | Immersion syphon for collecting liquid samples, in particular water samples from bodies of water of great depth |
| DE3444363A1 (en) * | 1984-12-05 | 1986-06-12 | Quantitative Environmental Decisions Corp., Ann Arbor, Mich. | Device for taking liquid samples |
| DE3820924A1 (en) * | 1988-06-21 | 1989-12-28 | Molsner Hermann Dietrich | Soil sample removal probe |
| DE3904173A1 (en) * | 1989-02-11 | 1990-08-16 | Prematechnik Ges Fuer Verfahre | Arrangement for taking samples from a product medium flowing through a delivery conduit |
| DE4012625A1 (en) * | 1990-04-20 | 1991-10-24 | Mak Maschinenbau Krupp | Water sample extractor for bore - has operating unit providing bidirectional optical data transfer for programming and sensor information |
| DE4139618A1 (en) * | 1990-12-07 | 1992-06-11 | Carello Spa | LAMP HOLDER FOR VEHICLE HEADLIGHTS |
| US5303600A (en) * | 1990-06-04 | 1994-04-19 | General Oceanics, Inc. | Fluid sampling reservoir and method |
-
1994
- 1994-08-25 DE DE9413697U patent/DE9413697U1/en not_active Expired - Lifetime
-
1995
- 1995-08-21 DE DE19530709A patent/DE19530709C2/en not_active Expired - Fee Related
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7829458U1 (en) * | 1979-05-17 | Schwarzmaier, Guntram, Dr., 8021 Taufkirchen | Device for taking water samples from a predetermined depth | |
| DE1573116A1 (en) * | 1966-04-01 | 1969-08-14 | Vdo Schindling | Device for measuring the liquid level in a container |
| DE2203174A1 (en) * | 1972-01-24 | 1973-08-16 | Sarstedt Kunststoff | DEVICE FOR REMOVING, DISTRIBUTING AND STORING LIQUIDS |
| DE2435663A1 (en) * | 1973-07-27 | 1975-02-06 | Coulter Electronics | LEVEL DETECTION AND SAMPLE SYSTEM |
| DE2746255A1 (en) * | 1976-10-16 | 1978-04-20 | S E Am Pa | MEASURING SYSTEM FOR LIQUID RESERVES IN WAREHOUSES, CISTERNS OR DGL. |
| US4197746A (en) * | 1978-11-15 | 1980-04-15 | Hach Chemical Company | Slurry pipet |
| DE3039475A1 (en) * | 1980-10-18 | 1982-05-27 | Eppendorf Gerätebau Netheler + Hinz GmbH, 2000 Hamburg | Compressed air sensor - controls level of cannula removing measured amt. of liq. from container |
| DE3235946A1 (en) * | 1981-09-30 | 1983-04-28 | Lars 41476 Göteborg Brännström | STERILE WORKING WATER COLLECTING DEVICE THAT IS A SAMPLING DEVICE AND A SAMPLING COLLECTOR, THAT ARE ARRANGED TO BE FROM THE OUTSIDE WITH THE SIMULTANEOUS OPENING OF AN INLET TO THE EVACUATED SAMPLING COLLECTOR |
| DE3310032A1 (en) * | 1983-03-19 | 1984-09-20 | Dr. H. Tiefenbach Gmbh & Co, 4300 Essen | Immersion syphon for collecting liquid samples, in particular water samples from bodies of water of great depth |
| DE3444363A1 (en) * | 1984-12-05 | 1986-06-12 | Quantitative Environmental Decisions Corp., Ann Arbor, Mich. | Device for taking liquid samples |
| DE3820924A1 (en) * | 1988-06-21 | 1989-12-28 | Molsner Hermann Dietrich | Soil sample removal probe |
| DE3904173A1 (en) * | 1989-02-11 | 1990-08-16 | Prematechnik Ges Fuer Verfahre | Arrangement for taking samples from a product medium flowing through a delivery conduit |
| DE4012625A1 (en) * | 1990-04-20 | 1991-10-24 | Mak Maschinenbau Krupp | Water sample extractor for bore - has operating unit providing bidirectional optical data transfer for programming and sensor information |
| US5303600A (en) * | 1990-06-04 | 1994-04-19 | General Oceanics, Inc. | Fluid sampling reservoir and method |
| DE4139618A1 (en) * | 1990-12-07 | 1992-06-11 | Carello Spa | LAMP HOLDER FOR VEHICLE HEADLIGHTS |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19530709C2 (en) | 1996-09-26 |
| DE19530709A1 (en) | 1996-02-29 |
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