NO321575B1 - Anordning og fremgangsmate til behandling av forurensede medier - Google Patents
Anordning og fremgangsmate til behandling av forurensede medier Download PDFInfo
- Publication number
- NO321575B1 NO321575B1 NO20013494A NO20013494A NO321575B1 NO 321575 B1 NO321575 B1 NO 321575B1 NO 20013494 A NO20013494 A NO 20013494A NO 20013494 A NO20013494 A NO 20013494A NO 321575 B1 NO321575 B1 NO 321575B1
- Authority
- NO
- Norway
- Prior art keywords
- housing
- medium
- gas
- cone
- suction opening
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000003337 fertilizer Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 241000894006 Bacteria Species 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 7
- 241000588724 Escherichia coli Species 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims description 2
- 239000010801 sewage sludge Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 12
- 230000033001 locomotion Effects 0.000 abstract description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
- 239000010802 sludge Substances 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 239000010865 sewage Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 238000006213 oxygenation reaction Methods 0.000 description 8
- 210000003608 fece Anatomy 0.000 description 7
- 239000010871 livestock manure Substances 0.000 description 7
- 239000006228 supernatant Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 241000227653 Lycopersicon Species 0.000 description 3
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000001706 oxygenating effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 238000003975 animal breeding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000003516 soil conditioner Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010921 garden waste Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012543 microbiological analysis Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
- B01F23/23352—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas moving perpendicular to the axis of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
- B01F23/23353—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas being sucked towards the rotating stirrer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
- B01F23/23364—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced between the stirrer elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900104A SE513821C2 (sv) | 1999-01-15 | 1999-01-15 | Omrörare och förfarande för behandling av förorenade medier |
PCT/SE2000/000083 WO2000041802A1 (en) | 1999-01-15 | 2000-01-17 | Device and method for the treatment of contaminated media |
Publications (3)
Publication Number | Publication Date |
---|---|
NO20013494D0 NO20013494D0 (no) | 2001-07-13 |
NO20013494L NO20013494L (no) | 2001-09-17 |
NO321575B1 true NO321575B1 (no) | 2006-06-06 |
Family
ID=20414103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20013494A NO321575B1 (no) | 1999-01-15 | 2001-07-13 | Anordning og fremgangsmate til behandling av forurensede medier |
Country Status (13)
Country | Link |
---|---|
US (1) | US6712980B1 (sv) |
EP (1) | EP1156870B1 (sv) |
AT (1) | ATE236710T1 (sv) |
AU (1) | AU2337700A (sv) |
CA (1) | CA2360385C (sv) |
DE (1) | DE60002053T2 (sv) |
DK (1) | DK1156870T3 (sv) |
ES (1) | ES2198275T3 (sv) |
NO (1) | NO321575B1 (sv) |
PL (1) | PL194741B1 (sv) |
PT (1) | PT1156870E (sv) |
SE (1) | SE513821C2 (sv) |
WO (1) | WO2000041802A1 (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE513821C2 (sv) | 1999-01-15 | 2000-11-13 | Gefle Virvelteknik Ab | Omrörare och förfarande för behandling av förorenade medier |
AUPR825701A0 (en) * | 2001-10-15 | 2001-11-08 | Bushwater Holdings Pty Ltd | A water treatment system and apparatus |
FR2848472B1 (fr) * | 2002-12-12 | 2005-02-18 | Air Liquide | Dispositif d'agitation d'un liquide et d'injection d'un gaz dans ce liquide a engorgement limite |
US20050029685A1 (en) * | 2003-08-06 | 2005-02-10 | Hang Zhao | Beverage mixer/aerator |
ITVE20040015A1 (it) * | 2004-04-22 | 2004-07-22 | Hydor Srl | Aeratore rotante per acquari |
DE102004039960A1 (de) * | 2004-08-18 | 2006-02-23 | Bayer Materialscience Ag | Rührvorrichtung und Verfahren zur Durchführung einer Gas-Flüssig-Reaktion |
SE533218C2 (sv) * | 2008-05-16 | 2010-07-20 | Rolf Ahlstroem | System för våtkompostering av fekalier och urin |
JP5800185B2 (ja) * | 2011-07-15 | 2015-10-28 | 雅 田篭 | マイクロバブル発生貫流ポンプ |
JP6426885B2 (ja) * | 2012-12-25 | 2018-11-21 | 株式会社ユニフレックス | 撹拌装置 |
KR101378181B1 (ko) * | 2013-11-01 | 2014-03-24 | 정욱도 | 분산기 |
JP6621276B2 (ja) * | 2015-09-11 | 2019-12-18 | ヤマテック株式会社 | 攪拌用回転体および攪拌装置 |
US11931703B1 (en) * | 2021-04-27 | 2024-03-19 | Satvinder Pal Singh Randhawa | Aeration equipment for wastewater treatment |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH522827A (de) * | 1971-02-15 | 1972-05-15 | Norm Amc Ag | Verfahren zur Verhinderung der Eisbildung und/oder Schmutzablagerung auf der Oberfläche eines Belüftungskreisels, Belüftungskreisel zur Ausführung des Verfahrens und Anwendung des Verfahrens |
CH583781A5 (sv) * | 1972-12-07 | 1977-01-14 | Feichtinger Heinrich Sen | |
CA1101138A (en) | 1979-02-05 | 1981-05-12 | Claudio Guarnaschelli | Aerator |
JPS60200923A (ja) * | 1984-03-23 | 1985-10-11 | Showa Alum Corp | 気泡の微細化分散装置 |
FI81077C (sv) * | 1987-06-11 | 1990-09-10 | Outokumpu Oy | Luftningsanordning för avfallsvatten från industri och bebyggelse |
US5013490A (en) * | 1988-10-21 | 1991-05-07 | Showa Aluminum Corporation | Device for releasing and diffusing bubbles into liquid |
US4863644A (en) * | 1988-11-04 | 1989-09-05 | Enviroquip, Inc. | Gas diffuser |
US5244097A (en) * | 1990-01-10 | 1993-09-14 | Outokumpu Oy | Apparatus for feeding air into a flotation cell |
US5660766A (en) * | 1995-09-22 | 1997-08-26 | Van Dyek; Bernhard | Aerator |
SE513821C2 (sv) | 1999-01-15 | 2000-11-13 | Gefle Virvelteknik Ab | Omrörare och förfarande för behandling av förorenade medier |
-
1999
- 1999-01-15 SE SE9900104A patent/SE513821C2/sv not_active IP Right Cessation
-
2000
- 2000-01-17 DE DE2000602053 patent/DE60002053T2/de not_active Expired - Lifetime
- 2000-01-17 PL PL00349845A patent/PL194741B1/pl not_active IP Right Cessation
- 2000-01-17 PT PT00902249T patent/PT1156870E/pt unknown
- 2000-01-17 DK DK00902249T patent/DK1156870T3/da active
- 2000-01-17 AU AU23377/00A patent/AU2337700A/en not_active Abandoned
- 2000-01-17 ES ES00902249T patent/ES2198275T3/es not_active Expired - Lifetime
- 2000-01-17 US US09/889,332 patent/US6712980B1/en not_active Expired - Fee Related
- 2000-01-17 WO PCT/SE2000/000083 patent/WO2000041802A1/en active IP Right Grant
- 2000-01-17 AT AT00902249T patent/ATE236710T1/de not_active IP Right Cessation
- 2000-01-17 CA CA 2360385 patent/CA2360385C/en not_active Expired - Fee Related
- 2000-01-17 EP EP20000902249 patent/EP1156870B1/en not_active Expired - Lifetime
-
2001
- 2001-07-13 NO NO20013494A patent/NO321575B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2360385A1 (en) | 2000-07-20 |
DE60002053T2 (de) | 2004-01-29 |
CA2360385C (en) | 2008-07-29 |
SE9900104L (sv) | 2000-07-16 |
AU2337700A (en) | 2000-08-01 |
ES2198275T3 (es) | 2004-02-01 |
EP1156870A1 (en) | 2001-11-28 |
DK1156870T3 (da) | 2003-08-04 |
SE513821C2 (sv) | 2000-11-13 |
PT1156870E (pt) | 2003-08-29 |
DE60002053D1 (de) | 2003-05-15 |
NO20013494D0 (no) | 2001-07-13 |
WO2000041802A1 (en) | 2000-07-20 |
ATE236710T1 (de) | 2003-04-15 |
PL349845A1 (en) | 2002-09-23 |
EP1156870B1 (en) | 2003-04-09 |
SE9900104D0 (sv) | 1999-01-15 |
NO20013494L (no) | 2001-09-17 |
PL194741B1 (pl) | 2007-06-29 |
US6712980B1 (en) | 2004-03-30 |
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