HRP20181060T1 - Postupak za obradu čelika - Google Patents
Postupak za obradu čelika Download PDFInfo
- Publication number
- HRP20181060T1 HRP20181060T1 HRP20181060TT HRP20181060T HRP20181060T1 HR P20181060 T1 HRP20181060 T1 HR P20181060T1 HR P20181060T T HRP20181060T T HR P20181060TT HR P20181060 T HRP20181060 T HR P20181060T HR P20181060 T1 HRP20181060 T1 HR P20181060T1
- Authority
- HR
- Croatia
- Prior art keywords
- furnace
- processing
- atmosphere
- nitrogen
- carbon dioxide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 12
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 26
- 239000000203 mixture Substances 0.000 claims 26
- 239000007789 gas Substances 0.000 claims 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 16
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 16
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 13
- 239000001569 carbon dioxide Substances 0.000 claims 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims 8
- 239000010962 carbon steel Substances 0.000 claims 8
- 238000010438 heat treatment Methods 0.000 claims 8
- 229910052757 nitrogen Inorganic materials 0.000 claims 8
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 7
- 239000001301 oxygen Substances 0.000 claims 7
- 229910052760 oxygen Inorganic materials 0.000 claims 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 4
- 230000003197 catalytic effect Effects 0.000 claims 4
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 239000000523 sample Substances 0.000 claims 3
- 238000000137 annealing Methods 0.000 claims 2
- 238000005256 carbonitriding Methods 0.000 claims 2
- 229930195733 hydrocarbon Natural products 0.000 claims 2
- 150000002430 hydrocarbons Chemical class 0.000 claims 2
- 238000002161 passivation Methods 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 238000004458 analytical method Methods 0.000 claims 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 150000001247 metal acetylides Chemical class 0.000 claims 1
- 239000001272 nitrous oxide Substances 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
- C21D1/763—Adjusting the composition of the atmosphere using a catalyst
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0043—Muffle furnaces; Retort furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/34—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in more than one step
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Chemical Treatment Of Metals (AREA)
- Coating With Molten Metal (AREA)
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Claims (13)
1. Postupak za obradu ugljičnog čelika, naznačen time, da obuhvaća korake:
a) barem jednu toplinsku obradu ugljičnog čelika, odabranu između karbidiranja, karbonitriranja i žarenja, koja se provodi u peći za obradu;
b) naknadnu toplinsku obradu pasivizacije / plavljenja ugljičnog čelika tretiranog u koraku a), pri čemu se sljedeća toplinska obrada provodi izravno u navedenoj peći za obradu iz koraka a), pri temperaturi između 800 °C i 900 °C, u atmosferi koja sadržava dušik i barem jedan od ugljikovog dioksida, dušikovih oksida ili njihovih smjesa, pri čemu se kompozicija atmosfere peći za obradu prilagođava promjenom protoka dušika i barem jednog od ugljičnog dioksida, dušikovog oksida ili njihovih smjesa koji ulaze u mješač plina da se dobije mješavina plina koji se dovodi u navedenu peć tijekom koraka b).
2. Postupak u skladu s patentnim zahtjevom 1, naznačen time, da se tijekom koraka b) nadzire i kontinuirano podešava sastav atmosfere u peći za obradu.
3. Postupak u skladu s jednim od patentnih zahtjeva 1 i 2, naznačen time, da se sastav atmosfere u peći za obradu u koraku b) podešava pomoću programabilnog logičkog kontrolera (PLC).
4. Postupak u skladu s bilo kojim od patentnih zahtjeva, naznačen time, da se smjesa atmosfere peći za obradu u koraku b) analizira pomoću analizatora odabranog od lambda-sonde ili senzora kisika i podešava se tako da je vrijednost signala koji potječe od navedenog analizatora između 870 mV i 960 mV.
5. Postupak u skladu s jednim od prethodnih patentnih zahtjeva, naznačen time, da se sastav atmosfere u koraku b) prilagođava na temelju postotaka težinskog udjela CO i CO2 u odnosu na ukupnu težinu atmosfere peći za obradu, izmjereno CO i CO2 analizatorima.
6. Postupak u skladu s jednim od prethodnih patentnih zahtjeva, naznačen time, da je u atmosferi iz koraka b) sadržaj CO između 20% i 80% težinskog udjela u odnosu na težinu smjese (CO + CO2).
7. Postupak u skladu s jednim od prethodnih patentnih zahtjeva, naznačen time, da se sastav atmosfere u koraku b) podešava na osnovu parcijalnog tlaka kisika atmosfere peći za obradu izmjereno analizatorima tlaka.
8. Postupak u skladu s bilo kojim od patentnih zahtjeva, naznačen time, da se obrada u koraku a) odvija u prisutnosti mješavine plina koja sadržava dušik i najmanje jedan od ugljikovog monoksida, vodika ili njihovih smjesa, a postupak nadalje obuhvaća mjerenje i neprekidno podešavanje sastava mješavine plina tijekom koraka a) kako bi se ugljikov potencijal plinske mješavine zadržao na unaprijed određenoj vrijednosti.
9. Postupak u skladu s bilo kojim od prethodnih patentnih zahtjeva, naznačen time, da se plinska mješavina koja ulazi u peć za obradu u koraku a) dobiva u katalitičkom reaktoru, a sastav plinske smjese koja ulazi u peć za toplinsku obradu u koraku a) prilagođen je promjenom brzine protoka i sastava protoka plina koji obuhvaća dušik, kisik, ugljični dioksid i ugljikovodik koji ulaze u navedeni katalitički reaktor, ili promjenom brzina protoka komponenata protoka plina koji ulazi u mješač plina da bi se pripremila smjesa plinova koji se unose u navedeni katalitički reaktor, poželjno pomoću programabilnog logičkog regulatora (PLC).
10. Uređaj za obradu ugljičnog čelika, naznačen time, da sadržava:
- najmanje jedan sustav za miješanje plina (1) da se dobije smjesa dušika i najmanje jedan od ugljikovog dioksida, dušikovog oksida ili njihovih smjesa,
- najmanje jednu peć (3) za obavljanje slijedećih koraka:
a) barem jednu toplinsku obradu ugljičnog čelika, odabranu od karbidiranja, karbonitriranja i žarenja;
b) naknadnu toplinsku obradu pasivizacije / plavljenja ugljičnog čelika tretiranog u koraku a), pri čemu se sljedeća toplinska obrada provodi izravno u navedenoj peći za obradu iz koraka a), pri temperaturi između 800 °C i 900 °C, u atmosferi koja sadržava dušik i barem jedan od ugljikovog dioksida, dušikovog oksida ili njihovih smjesa, pri čemu se kompozicija atmosfere peći za obradu prilagođava promjenom protoka dušika i barem jednog od ugljičnog dioksida, dušikovog oksida ili njihovih smjesa koji ulaze u mješač plina da se dobije mješavina plina koja se dovodi u navedenu peć tijekom koraka b),
- najmanje jedan sustav (4) za analizu i kontrolu protoka plinova i parametara procesa koji obuhvaća
• sredstva za otkrivanje koncentracije ugljikovog monoksida, ugljičnog dioksida, metana i dušikovog oksida i po izboru rosišta i / ili koncentracije kisika,
• sredstva za otkrivanje i podešavanje temperature u peći za obradu,
• sredstva za određivanje i prilagođavanje protoka plinova koji ulaze u sustav miješanja (1), pri čemu su navedeni plinovi jedan ili više između dušika, ugljičnog dioksida, dušikovog oksida, kisika i ugljikovodika, kao funkcija vrste toplinske obrade i koncentracije ugljikovog monoksida, ugljičnog dioksida, metana i dušikovog oksida i po izboru točke rosišta i / ili koncentracije kisika i temperature u peći za obradu, kako je izmjereno i
- po izboru barem jedan katalitički reaktor (2) koji sadržava sredstva prilagođena da daju toplinsku energiju.
11. Uređaj u skladu s patentnim zahtjevom 10, naznačen time, da su sredstva za detekciju koncentracije odabrana između analizatora ugljikovog monoksida i ugljičnog dioksida, senzora kisika, lambda-sonde i njihovih kombinacija.
12. Uređaj u skladu s jednim od patentnih zahtjeva 10 ili 11, naznačen time, da analitička i upravljačka jedinica ima programabilni logički kontroler (PLC) koji je prilagođen za podešavanje količina / brzina protoka plina koji se uvodi u mješač plina tako da se dobije željeni sloj karbida i oksida na obrađenom ugljičnom čeliku, na temelju informacija vezanih uz temperaturu obrade i koncentracije plinova dobivenih analizatorima CO, CO2 i CH4 i sadržaja O2 koji je izmjeren lambda-sondom ili senzorom kisika.
13. Postupak obrade u skladu s patentnim zahtjevima 1 do 9 za obradu dijelova od čelika ugljika, naznačen time, da se naročito odnosi na zupčanike i ventile.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000366A ITMI20110366A1 (it) | 2011-03-10 | 2011-03-10 | Procedimento per il trattamento di acciai. |
| EP12157377.8A EP2497839B1 (en) | 2011-03-10 | 2012-02-28 | Method for the treatment of steels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20181060T1 true HRP20181060T1 (hr) | 2018-08-24 |
Family
ID=43977036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20181060TT HRP20181060T1 (hr) | 2011-03-10 | 2018-07-09 | Postupak za obradu čelika |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2497839B1 (hr) |
| HR (1) | HRP20181060T1 (hr) |
| HU (1) | HUE038149T2 (hr) |
| IT (1) | ITMI20110366A1 (hr) |
| RS (1) | RS57395B1 (hr) |
| SI (1) | SI2497839T1 (hr) |
| TR (1) | TR201808830T4 (hr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2866646A1 (en) * | 2014-10-06 | 2016-04-06 | Michel Jozef Korwin | Method for heat treating long steel pipes |
| EP3042967A1 (en) * | 2015-01-08 | 2016-07-13 | Linde Aktiengesellschaft | Gas mixture and method for controlling a carbon potential of a furnace atmosphere |
| CN112410488A (zh) * | 2020-09-28 | 2021-02-26 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种氮气冷却式高炉布料器氮气自动调节控制方法 |
| CN112301308A (zh) * | 2020-11-03 | 2021-02-02 | 江苏丰东热处理及表面改性工程技术研究有限公司 | 碳氮共渗热处理方法及其制得的合金零件 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2588281B1 (fr) * | 1985-10-08 | 1991-08-16 | Air Liquide | Procede de traitement thermique pour la realisation de pieces en acier resistant a la corrosion |
| GB2208658B (en) * | 1987-07-17 | 1992-02-19 | Lucas Ind Plc | Manufacture of corrosion resistant steel components |
| IT1252560B (it) | 1991-12-19 | 1995-06-19 | Eniricerche Spa | Rivestimenti di carbonio duro su acciaio o lega metallica |
| DE4333940C1 (de) | 1993-10-06 | 1994-12-08 | Messer Griesheim Gmbh | Verfahren zum Behandeln von Teilen |
| DE4339404A1 (de) * | 1993-11-18 | 1995-05-24 | Ipsen Ind Int Gmbh | Verfahren zur Herstellung einheitlicher Oxidationsschichten auf metallischen Werkstücken und Vorrichtung zur Durchführung des Verfahrens |
| DE69610404T3 (de) | 1996-03-20 | 2007-07-12 | Sol S.P.A. | Verfahren und Vorrichtung zur Wärmebehandlung metallischer Werkstücke unter Schutzgas |
| JP3409236B2 (ja) * | 1997-02-18 | 2003-05-26 | 同和鉱業株式会社 | 熱処理炉の雰囲気制御方法 |
| DE19736514C5 (de) | 1997-08-22 | 2004-11-25 | Messer Griesheim Gmbh | Verfahren zum gemeinsamen Oxidieren und Wärmebehandeln von Teilen |
| DE50001540D1 (de) * | 2000-02-04 | 2003-04-30 | Ipsen Int Gmbh | Verfahren zum Nitrieren und/oder Nitrocarburieren von höher legierten Stählen |
| JP5428031B2 (ja) * | 2001-06-05 | 2014-02-26 | Ｄｏｗａサーモテック株式会社 | 浸炭処理方法及びその装置 |
| DE10162339A1 (de) * | 2001-12-18 | 2003-07-10 | Messer Griesheim Gmbh | Verfahren zur Herstellung einer Oxidschicht auf Metallteilen |
| EP2541179A3 (en) * | 2005-11-23 | 2014-09-24 | Surface Combustion, Inc. | Gas generator for an atmospheric furnace for treating one or more articles |
-
2011
- 2011-03-10 IT IT000366A patent/ITMI20110366A1/it unknown
-
2012
- 2012-02-28 TR TR2018/08830T patent/TR201808830T4/tr unknown
- 2012-02-28 EP EP12157377.8A patent/EP2497839B1/en active Active
- 2012-02-28 RS RS20180797A patent/RS57395B1/sr unknown
- 2012-02-28 HU HUE12157377A patent/HUE038149T2/hu unknown
- 2012-02-28 SI SI201231336T patent/SI2497839T1/en unknown
-
2018
- 2018-07-09 HR HRP20181060TT patent/HRP20181060T1/hr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUE038149T2 (hu) | 2018-09-28 |
| ITMI20110366A1 (it) | 2012-09-11 |
| TR201808830T4 (tr) | 2018-07-23 |
| EP2497839B1 (en) | 2018-04-11 |
| SI2497839T1 (en) | 2018-08-31 |
| EP2497839A1 (en) | 2012-09-12 |
| RS57395B1 (sr) | 2018-09-28 |
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