WO2002084193A1 - Verfahren zum reinigen von verbrennungseinrichtungen - Google Patents
Verfahren zum reinigen von verbrennungseinrichtungen Download PDFInfo
- Publication number
- WO2002084193A1 WO2002084193A1 PCT/CH2002/000174 CH0200174W WO02084193A1 WO 2002084193 A1 WO2002084193 A1 WO 2002084193A1 CH 0200174 W CH0200174 W CH 0200174W WO 02084193 A1 WO02084193 A1 WO 02084193A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lance
- thin
- caking
- container
- explosive
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0007—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by explosions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/006—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag using explosives
Definitions
- the invention relates to a method and a device for cleaning dirty or slagged containers.
- it relates to a method and a device for the so-called on-line blast cleaning of slagged combustion devices in accordance with the preamble of the independent patent claims.
- Heating surfaces z. B. from waste incineration plants or coal boilers are generally subject to heavy pollution. These contaminants have inorganic compositions and are typically created by the deposition of ash particles on the wall. Coatings in the range of high flue gas temperatures are usually very hard, since they either remain melted or melted on the wall or are glued together by deeper melting or condensing substances when they solidify on the colder boiler wall. Such deposits are difficult and inadequate to remove by known cleaning methods. This means that the boiler has to be shut down periodically, cooled and cleaned manually or by sandblasting. Since such boilers usually have rather large dimensions, it is often necessary to set up a scaffold in the furnace.
- Conventional cleaning methods are, for example, tapping the boiler and using steam jets, water jet blowers / soot blowers and ball rain.
- a cleaning method is known in which the cooled and also the hot boiler in operation is cleaned by inserting and igniting explosive devices.
- a cooled explosive device is brought near the soiled heating surface by means of a cooled lance, where the explosive charge is detonated.
- the heating surface caking is blown off by the force of the detonation and by the wall vibrations generated by the shock waves.
- the cleaning time can be significantly reduced with this method compared to the conventional cleaning methods.
- the cleaning can be done with the necessary safety precautions, on-line, i.e. take place during the operation of the incinerator or while the container is still hot. It is possible to clean a boiler in this way within hours, which takes days with a conventional cleaning method.
- a disadvantage of the method described in EP 1 067 349 is the need for explosives. In addition to the high costs for the explosives, a great deal of security must be taken to avoid accidents, for example when storing the explosives. The introduction of explosives into a hot container also requires an absolutely reliable and efficient cooling system to prevent the explosives from detonating prematurely.
- the object of the invention is to provide a method and a device for cleaning contaminated or slagged incineration plants or containers, in which the plant does not have to be shut down during cleaning, the plant is in a clean state again in a short time and in In particular, the risk to personnel and system components during the cleaning process is minimized.
- the cleaning method disclosed here is based on bringing gaseous, liquid and / or powdered or powdered substances or components, which are explosive individually or preferably only as a mixture, in the vicinity of an object to be cleaned, in order to subsequently remove the at least partially gaseous explosive To explode mixture.
- the materials should be able to be stored and handled separately in order to rule out the risk of an early explosion as far as possible.
- the cleaning method according to the invention since the explosive substance or the explosive mixture required for cleaning can be produced at or near the location of a container at which it or it is to be used. This increases the safety of personnel and objects.
- the cleaning device according to the invention no explosive substances or components are present at any time during an insertion and positioning process of the device and are therefore not exposed to the heat.
- the cleaning method according to the invention is particularly suitable for incineration plants with sticky fly ash which tends to cake, caused in particular by the combustion of coal, waste, sewage sludge or special waste. This applies in particular to the area of steam generators in incineration plants.
- the cleaning process can also be used to remove dirt in other systems with hard dirt deposits, such as in flue gas cleaning systems, paper mills, silos, in the cement industry etc.
- Blasting cleaning can be carried out while a system is operating, ie on-line or at still hot containers and very precisely and precisely dosed. As a result, downtime costs are reduced and no system parts or container sections are unnecessarily burdened. The dangers for the plant personnel are also minimized. This is due in particular to the extremely short residence time of the at least partially gaseous explosive component or the mixture in the hot environment.
- a fuel, liquid or gaseous e.g. B. acetylene, ethylene, methane, ethane, propane, gasoline, oil etc.
- an oxidizing agent e.g. B. oxygen
- the components are mixed together and then ignited.
- the force of the explosion and the surface vibrated by the shock waves e.g. a container or pipe wall, cause the wall cakes to crack and thus clean the surface.
- the components can also be mixed with one another in the device according to the invention.
- the materials are kept as possible at or near the point to be cleaned, for example by means of a suitable thin-walled container.
- a suitable thin-walled container This is particularly advantageous if an explosive mixture is only to be produced in the vicinity of the surface to be cleaned, for example by separately guiding individual gases or fuels in a pipe-like device or lance.
- Such a container serves, among other things, to avoid the dilution of the gases, in particular before they are completely mixed and, if necessary, to cool them.
- Head cooling of the lance for example cooling a thin-walled container, is preferably carried out by means of passive cooling methods.
- passive cooling of an explosive gas mixture no additional coolants are led from the outside to or into the explosive mixture when the cleaning device is in the inserted state.
- this also has the advantage that supply lines for the materials required for the explosion can be kept relatively easily separated from any lance cooling.
- the entire cleaning process can be carried out essentially independently of a locally given infrastructure.
- a suitable coolant e.g. B. to cool by spraying water, air or a mixture of both media on the thin-walled container. It is also possible injecting drops of water or other coolant into the thin-walled container during inflation so that its surface is cooled from the inside. This can be combined, for example, with the introduction of a liquid or gaseous component used for cleaning.
- Another preferred possibility of protecting the thin-walled container is to introduce the thin-walled container into the container to be cleaned in a suitable protective device.
- a protective device attached to the cleaning device e.g. B. a protective bell or funnel attached to and around a lance.
- the thin-walled container can be stowed in the protective device when not inflated.
- the protective device is designed in such a way that it offers the thin-walled container the possibility of essentially free deployment as soon as it is inflated. This can be achieved by an open protective device or a protective device that opens by force or pressure.
- a container side, i.e. The opening of the protective device on the head side can be provided with a cover.
- Such a cover is preferably thin-walled, easy to open or detach, so that it can be detached from the protective device by an expanding thin-walled container. It is preferably made of materials that can be soaked with coolant, such as a piece of paper, jute, etc. Depending on the design of a cover, the entire protective device can be enclosed with it. This protects a thin-walled container and a protective device at the same time, e.g. cooled.
- indirect, passive cooling is used for the reasons mentioned above, both for the thin-walled container and for the lance.
- Passive cooling for an explosive mixture and a lance is independent of active coolant supplied from outside during the cleaning process itself, ie when the lance is in the inserted state.
- a passive one Lance cooling is preferably carried out by attaching suitable materials around the pipe carrying the gas and / or liquid or by producing the pipe or supply lines from suitable materials. These are, for example, insulating, essentially heat-resistant and / or coolant-absorbing materials or suitable material arrangements. Examples of the latter are absorbent materials, such as paper, cotton wool or cloth, which are soaked in water or other coolant before use. To protect against damage to a cooling layer, outer protective layers can be applied.
- absorbent paper this can be a simple wrapping made of fabric.
- a more durable protective layer made of, for example, a metal grid or mesh or a second metal tube.
- Coolant-absorbing materials can release this again if necessary and cool the pipe or a thin-walled container through the resulting evaporative cold.
- Passive cooling can also be dense metal mesh or ceramics, for example, which can hold coolant in cavities or pores.
- passive cooling from heat-absorbing materials. Such materials are able to absorb and store heat instead of transmitting it. Examples of this are materials that make a phase transition, typically solid-liquid, in a suitably chosen temperature range (so-called 'phase change materials' (PCM)).
- PCM phase change materials'
- Another example of insulating lance cooling is double pipes that can be filled with insulation material.
- the ignition means are preferably attached in the area of one of the ends of the lance, on a tube itself or on the thin-walled container.
- the actuation of the ignition device and the sequence of the inflow of the gases and / or the introduction of liquid components are preferably carried out for safety reasons by means of a control device.
- the explosion in a hot container takes place as follows:
- Gas pressure vessels are activated by actuating the corresponding valves from compressed gas cylinders with the respective gases, e.g. Acetylene or ethane and oxygen and filled with the desired gas quantities / pressures.
- gases e.g. Acetylene or ethane and oxygen
- a thin-walled container e.g. made of plastic, a balloon or sack-like envelope or a bag
- a thin-walled container is attached, e.g. attached, clamped or glued with adhesive tape, and / or folded away in the protective device.
- head cooling is activated, e.g. a protective cover (insulating and / or cooling) attached or soaked with coolant and / or the cooling started together with the gas.
- a protective cover insulating and / or cooling
- the lance is inserted from the outside into the container to be cleaned, for example through an entry opening, so that the pipe end including the thin-walled container is placed in front of the surface to be cleaned. Opening the valves of the gas pressure vessel starts filling the thin-walled vessel with the gas mixture.
- triggering the explosion process can be associated with security mechanisms. These preferably start the gas supply from the pressure containers into the thin-walled container or generally into the container to be cleaned and interrupt this connection before the actual explosion, e.g. by activating the ignition means. This prevents, for example, kickbacks in the supply lines or uncontrolled explosions.
- the cleaning process can also include a device cleaning step. This is achieved, for example, by flushing the lance or individual pipes with compressed air following the explosion.
- FIG. 1 shows a simplified illustration of an embodiment of the device according to the invention
- FIG. 2 shows a further embodiment of the device according to the invention
- Figure 3 shows a third embodiment of the device according to the invention.
- FIG. 1 shows a device 10 for carrying out the cleaning method according to the invention.
- the device 10 contains tube-like supply lines 1, 2 through which, preferably after their positioning, different gases, e.g. B. oxygen 3 and ethane 4, but also liquid fuels or oxidizing agents in the vicinity of a wall 5 to be cleaned.
- gases 3, 4 and / or liquids form an explosive mixture 7 in the area of the wall pollution 6.
- an ignition device 8 which can be controlled and actuated from outside the container or the system to be cleaned, the explosive mixture 7, for example. ignited by formation of an ignition spark 9.
- the explosion can also occur in the area of the mixture 7, e.g. B. triggered on the supply lines 1, 2 ignition.
- the thin-walled container or the gas or gas / liquid mixture located in the container is cooled.
- the materials used for the supply lines 1, 2 and / or a common pipe also preferably have thermally insulating properties in order to protect the gas 3, 4 or the liquid contained therein from external heat influences, for example.
- FIG. 2 shows another exemplary device for carrying out the cleaning method according to the invention.
- a coolable or insulated lance 20, comprising a casing 21 and an inner tube 22, has connections 23 for the gas supply at one end.
- a suitable primer e.g. a spark plug 19 with which an explosive gas mixture can preferably be ignited electrically.
- the jacket 21 protects the lance 20 and the gas or gas mixture therein from heating. It preferably contains absorbent material, e.g. As paper, and can additionally with a protective layer enveloping the absorbent material, for.
- the paper casing and the casing 21 of the lance are mixed with coolant, for example soaked with water.
- coolant for example soaked with water.
- the thin-walled container 25 is folded up and stowed in the protective bell 27.
- Above the protective bell there is preferably an additional cover soaked with coolant (not shown in more detail) in order to additionally cool the thin-walled container and possibly also the protective bell, and possibly to protect it from mechanical influences.
- the thin-walled container leaves the protective bell 27 when it is inflated. It is protected from the heat of the flue gases by the water-soaked paper cover and the inner tube 22 by the casing 21.
- the protective bell 27 is slightly conical, cup-shaped to the outside to give enough space for the inflated envelope or the balloon-like container.
- a protective device is, for example, a hollow cone, a hollow cylinder or a shell. It preferably has a recess on one side for the passage of supply line (s) and on the other side an opening for a thin-walled container.
- a protective device can also be designed with double walls, so that any interior space is or can be filled with insulation material or coolant.
- the protective bell 27, the casing 21 or another protective device are fixedly attached to the lance. But they can also be designed so that they can be pushed over the lance or placed around it and positioned differently. This allows for easy replacement of guards after a cleaning process if necessary.
- the pressure vessels 33, 34 are filled with the corresponding gases.
- a filling pressure that has already proven itself in the experiment is max. 15 bar, the pressure vessel volumes having values of 1.51 for ethane and 5 liters for oxygen, for example, and a total gas quantity typically comprising 100 1-200 liters being used for cleaning common containers.
- the ratio of the volumes of the two pressure vessels preferably corresponds to the stoichiometric ratio of the two gases for complete combustion.
- the pressures of the gases in the pressure vessels determine the magnitude of the explosion and can be adjusted via reducing valves on the gas bottles 35, 36. These prints are preferably of the same size.
- the explosion process is initiated by means of an external pressure switch 39 connected to the spark plug 19 on the lance 20.
- the sequence is preferably via a controller 40, e.g. B. relay control, controlled.
- the control paths are shown in the figure as dashed lines, the signal direction being indicated by arrows.
- the solenoid valves are opened briefly, for example for a few seconds.
- the gas contents of the pressure containers 33, 34 flow into the lance 20 via the separate gas supply lines 29, 30 mixed together and passed through the inner tube 22 into the thin-walled container 25, wherein they inflate this.
- the gas supply lines 29, 30 are kept separate in the inner tube 22 of the lance 20, so that the gases only mix in the thin-walled container 25 and form an explosive gas mixture there.
- the primer ignited and the explosion triggered.
- the spark plug 19 or the ignition means is positioned accordingly on the lance.
- the process of inflating the thin-walled container to ignition is a few seconds, typically 1-3 seconds, e.g. 2s.
- FIG. 3 shows a third embodiment of the device according to the invention. It includes an exemplary design of a coolable lance 30. A majority of the reference numerals are the same as in FIG. 2. These relate accordingly to the same exemplary features and elements and are not all mentioned again at this point.
- the coolable lance 30, comprising an outer tube 31 and an inner tube 32, has connections 23, 24 at one end for the gas supply and for cooling.
- a coolant for example a water / air mixture, is guided between the outer tube 31 and the inner tube 32.
- a protective bell 27 for a thin-walled container 25 is in turn attached to this second end of the lance 30.
- the coolant passed through the lance 30 can also cool the protective bell 27.
- connection 24 of the cooling is connected to a cooling connection valve 28, e.g. a manual valve. Pressing it allows the cooling to be switched on and off as required.
- a cooling connection valve 28 e.g. a manual valve. Pressing it allows the cooling to be switched on and off as required.
- a thin-walled container in accordance with the present invention offers the advantage that it can be manufactured extremely inexpensively.
- An additional advantage of a paper-covered plastic sack as a thin-walled container is that possible sparks can perforate the plastic sack, but the envelope still protects the explosive gas or gas mixture.
- a protective cover made of absorbent material can be designed in multiple layers. For example, by attaching several single protective covers, it can be adapted to temperatures in differently hot containers. By using the evaporative cooling of suitable coolants, it is not necessary to supply coolant to or through the lance during the actual cleaning process.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Incineration Of Waste (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Gasification And Melting Of Waste (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Detergent Compositions (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/474,576 US6935281B2 (en) | 2001-04-12 | 2002-03-25 | Method for cleaning combustion devices |
JP2002592699A JP4526230B2 (ja) | 2001-04-12 | 2002-03-25 | 燃焼設備を清掃するための方法および装置 |
KR1020037013229A KR100926846B1 (ko) | 2001-04-12 | 2002-03-25 | 연소 장치 세정 방법 |
DK02704538T DK1362213T3 (da) | 2001-04-12 | 2002-03-25 | Fremgangsmåde og apparat til rensning af forbrændingsindretninger |
DE50201779T DE50201779D1 (de) | 2001-04-12 | 2002-03-25 | Verfahren und vorrichtung zum reinigen von verbrennungseinrichtungen |
AU2002238344A AU2002238344B2 (en) | 2001-04-12 | 2002-03-25 | Method for cleaning combustion devices |
SK1297-2003A SK287434B6 (sk) | 2001-04-12 | 2002-03-25 | Spôsob čistenia nečistôt alebo pripálenín, alebo troskových usadenín v nádržiach a technických zariadeniach a zariadenie na jeho vykonávanie |
AT02704538T ATE285059T1 (de) | 2001-04-12 | 2002-03-25 | Verfahren und vorrichtung zum reinigen von verbrennungseinrichtungen |
EP02704538A EP1362213B1 (de) | 2001-04-12 | 2002-03-25 | Verfahren und vorrichtung zum reinigen von verbrennungseinrichtungen |
CA2443916A CA2443916C (en) | 2001-04-12 | 2002-03-25 | Method and device for cleaning combustion installations |
NO20034587A NO332060B1 (no) | 2001-04-12 | 2003-10-13 | Fremgangsmate for rensing av forbrenningsanlegg |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00700/01A CH695117A5 (de) | 2001-04-12 | 2001-04-12 | Verfahren zum Reinigen von Verbrennungseinrichtungen. |
CH700/01 | 2001-04-12 | ||
CH154/02 | 2002-01-30 | ||
CH1542002 | 2002-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002084193A1 true WO2002084193A1 (de) | 2002-10-24 |
Family
ID=25716394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2002/000174 WO2002084193A1 (de) | 2001-04-12 | 2002-03-25 | Verfahren zum reinigen von verbrennungseinrichtungen |
Country Status (18)
Country | Link |
---|---|
US (1) | US6935281B2 (de) |
EP (1) | EP1362213B1 (de) |
JP (2) | JP4526230B2 (de) |
KR (1) | KR100926846B1 (de) |
CN (1) | CN100538240C (de) |
AT (1) | ATE285059T1 (de) |
AU (1) | AU2002238344B2 (de) |
CA (1) | CA2443916C (de) |
CZ (1) | CZ304976B6 (de) |
DE (1) | DE50201779D1 (de) |
DK (1) | DK1362213T3 (de) |
ES (1) | ES2235009T3 (de) |
NO (1) | NO332060B1 (de) |
PL (1) | PL200448B1 (de) |
PT (1) | PT1362213E (de) |
SK (1) | SK287434B6 (de) |
TW (1) | TW593931B (de) |
WO (1) | WO2002084193A1 (de) |
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EP1533050A1 (de) * | 2003-11-20 | 2005-05-25 | United Technologies Corporation | Vorrichtung zur Reinigung durch Detonation |
US7395760B2 (en) | 1997-01-17 | 2008-07-08 | Northamerican Industrial Services, Inc. | Device, system and method for on-line explosive deslagging |
DE20321732U1 (de) | 2003-12-19 | 2009-05-28 | Online Cleaning B.V. | Vorrichtung zur Reinigung von Verschmutzungen in Wärmetauschern, Abhitzekesseln und Brennkammern |
EP2548662A1 (de) * | 2011-07-22 | 2013-01-23 | Online Cleaning B.V. | Vorrichtung und Verfahren zum Online-Reinigen von Installationen |
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US20050125932A1 (en) * | 2003-12-11 | 2005-06-16 | Kendrick Donald W. | Detonative cleaning apparatus nozzle |
US7267134B2 (en) * | 2004-03-15 | 2007-09-11 | United Technologies Corporation | Control of detonative cleaning apparatus |
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- 2002-03-25 US US10/474,576 patent/US6935281B2/en not_active Expired - Lifetime
- 2002-03-25 AU AU2002238344A patent/AU2002238344B2/en not_active Expired
- 2002-03-25 PL PL364440A patent/PL200448B1/pl unknown
- 2002-03-25 CZ CZ2003-2807A patent/CZ304976B6/cs not_active IP Right Cessation
- 2002-03-25 JP JP2002592699A patent/JP4526230B2/ja not_active Expired - Lifetime
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US7395760B2 (en) | 1997-01-17 | 2008-07-08 | Northamerican Industrial Services, Inc. | Device, system and method for on-line explosive deslagging |
EP1533048A1 (de) * | 2003-11-20 | 2005-05-25 | United Technologies Corporation | Steuerung einer Vorrichtung zur Reinigung durch Detonation |
EP1533050A1 (de) * | 2003-11-20 | 2005-05-25 | United Technologies Corporation | Vorrichtung zur Reinigung durch Detonation |
DE20321732U1 (de) | 2003-12-19 | 2009-05-28 | Online Cleaning B.V. | Vorrichtung zur Reinigung von Verschmutzungen in Wärmetauschern, Abhitzekesseln und Brennkammern |
EP2548662A1 (de) * | 2011-07-22 | 2013-01-23 | Online Cleaning B.V. | Vorrichtung und Verfahren zum Online-Reinigen von Installationen |
WO2013014097A1 (en) | 2011-07-22 | 2013-01-31 | Online Cleaning B.V. | Device for and method of cleaning online installations |
US10112283B2 (en) | 2012-10-16 | 2018-10-30 | Fare S.R.L. | Method for cleaning tank melting furnaces for making glass items |
CN105228761A (zh) * | 2013-02-11 | 2016-01-06 | 冲击及清洁装置有限责任公司 | 清洗容器和设备的内部空间的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
NO20034587D0 (no) | 2003-10-13 |
KR100926846B1 (ko) | 2009-11-13 |
JP2004526935A (ja) | 2004-09-02 |
EP1362213A1 (de) | 2003-11-19 |
JP4526230B2 (ja) | 2010-08-18 |
ATE285059T1 (de) | 2005-01-15 |
US20040112306A1 (en) | 2004-06-17 |
CN1514925A (zh) | 2004-07-21 |
EP1362213B1 (de) | 2004-12-15 |
SK12972003A3 (sk) | 2004-05-04 |
CA2443916C (en) | 2010-06-01 |
KR20040005914A (ko) | 2004-01-16 |
JP2010023035A (ja) | 2010-02-04 |
DE50201779D1 (de) | 2005-01-20 |
SK287434B6 (sk) | 2010-09-07 |
CN100538240C (zh) | 2009-09-09 |
PL200448B1 (pl) | 2009-01-30 |
AU2002238344B2 (en) | 2007-07-12 |
CA2443916A1 (en) | 2002-10-24 |
TW593931B (en) | 2004-06-21 |
DK1362213T3 (da) | 2005-04-11 |
NO332060B1 (no) | 2012-06-11 |
US6935281B2 (en) | 2005-08-30 |
PT1362213E (pt) | 2005-04-29 |
ES2235009T3 (es) | 2005-07-01 |
PL364440A1 (en) | 2004-12-13 |
CZ20032807A3 (en) | 2004-05-12 |
CZ304976B6 (cs) | 2015-02-25 |
NO20034587L (no) | 2003-12-12 |
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