AR227484A1 - Aparato para purificar agua no clarificada - Google Patents
Aparato para purificar agua no clarificadaInfo
- Publication number
- AR227484A1 AR227484A1 AR290352A AR29035282A AR227484A1 AR 227484 A1 AR227484 A1 AR 227484A1 AR 290352 A AR290352 A AR 290352A AR 29035282 A AR29035282 A AR 29035282A AR 227484 A1 AR227484 A1 AR 227484A1
- Authority
- AR
- Argentina
- Prior art keywords
- purifying
- unclarified water
- unclarified
- water
- purifying unclarified
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1431—Dissolved air flotation machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/004—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/005—Filters being divided into a plurality of cells or compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/386—Feed or discharge devices internal recirculation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1462—Discharge mechanisms for the froth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1493—Flotation machines with means for establishing a specified flow pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D3/00—Differential sedimentation
- B03D3/06—Flocculation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/302,566 US4377485A (en) | 1981-09-15 | 1981-09-15 | Apparatus and method for clarification of water using combined flotation and filtration processes |
Publications (1)
Publication Number | Publication Date |
---|---|
AR227484A1 true AR227484A1 (es) | 1982-10-29 |
Family
ID=23168300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR290352A AR227484A1 (es) | 1981-09-15 | 1982-08-19 | Aparato para purificar agua no clarificada |
Country Status (18)
Country | Link |
---|---|
US (1) | US4377485A (fi) |
JP (1) | JPS5845785A (fi) |
AR (1) | AR227484A1 (fi) |
AU (1) | AU553891B2 (fi) |
BR (1) | BR8205385A (fi) |
CA (1) | CA1171562A (fi) |
CH (1) | CH659240A5 (fi) |
DE (1) | DE3231844A1 (fi) |
ES (1) | ES515656A0 (fi) |
FI (1) | FI74696C (fi) |
FR (1) | FR2512802B1 (fi) |
GB (1) | GB2105601B (fi) |
IN (1) | IN158976B (fi) |
IT (1) | IT1152507B (fi) |
MX (1) | MX156978A (fi) |
SE (1) | SE453590B (fi) |
TR (1) | TR21907A (fi) |
ZA (1) | ZA825390B (fi) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138676A1 (de) * | 1981-09-29 | 1983-04-14 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Filtereinrichtung mit einer einrichtung zum rueckspuelen des filterbettes |
JPS60112279A (ja) * | 1983-11-18 | 1985-06-18 | 松下電工株式会社 | ヒ−タ |
JPS60149094U (ja) * | 1984-03-14 | 1985-10-03 | 株式会社村田製作所 | 発熱体装置 |
US4673494A (en) * | 1984-06-27 | 1987-06-16 | Lenox Institute For Research, Inc. | Water treatment apparatus |
US4626345A (en) * | 1984-09-04 | 1986-12-02 | Lenox Institute For Research, Inc. | Apparatus for clarification of water |
US4793934A (en) * | 1987-04-22 | 1988-12-27 | Signal Environmental Systems, Inc. | Method for enhancing the separation capacity of a multi-bed filtration system |
US4923600A (en) * | 1987-08-28 | 1990-05-08 | Lenox Institute For Research, Inc. | Water clarification system adapted for removing particulate matter of greater than a predetermined size |
ES2077561T3 (es) * | 1988-02-11 | 1995-12-01 | Euratom | Proceso para la modificacion de un tamiz molecular. |
JPH059109Y2 (fi) * | 1988-06-30 | 1993-03-05 | ||
US4931175A (en) * | 1988-09-07 | 1990-06-05 | Lenox Institute For Research, Inc. | Water clarifying apparatus |
US5188729A (en) * | 1988-09-07 | 1993-02-23 | Lenox Institute For Research, Inc. | Sludge collection apparatus for a water clarifier |
US5268099A (en) * | 1988-09-07 | 1993-12-07 | Lenox Institute Of Water Technology, Inc. | Lamellar clarifier with rectilinear tank |
US5296149A (en) * | 1988-09-07 | 1994-03-22 | Milos Krofta | Lamellar apparatus and method for clarifying water |
US5320750A (en) * | 1988-09-07 | 1994-06-14 | Milos Krofta | Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
US5306422A (en) * | 1988-09-07 | 1994-04-26 | Lenox Institute Of Water Technology, Inc. | Compact clarifier system for municipal waste water treatment |
DE4022587A1 (de) * | 1989-08-14 | 1991-04-25 | Zapf Werner Kg | Mehrere abscheideabteilungen aufweisender leichtfluessigkeitsabscheider |
JPH0388294A (ja) * | 1989-08-18 | 1991-04-12 | Tsuaitowan Fuaaren Koniejishuien Jiouyuen | 強誘電体セラミック発熱素子 |
DE4007893A1 (de) * | 1990-01-06 | 1991-07-11 | Brieden Filtration Gmbh Und Co | Vorrichtung zur klaerung von prozesswasser, insbesondere von kuehlwasser mit hilfe eines siebes |
US5069783A (en) * | 1990-05-16 | 1991-12-03 | Int'l Environmental Systems, Inc. | Liquid treatment apparatus |
US5256299A (en) * | 1990-07-02 | 1993-10-26 | International Environmental Systems, Inc., Usa | Method and apparatus for liquid treatment |
US5240600A (en) * | 1990-07-03 | 1993-08-31 | International Environmental Systems, Inc., Usa | Water and wastewater treatment system |
US5049320A (en) * | 1990-07-03 | 1991-09-17 | International Environmental Systems, Inc. | Gas dissolving system and method |
US5084165A (en) * | 1990-07-06 | 1992-01-28 | Int'l Environmental Systems, Inc. | Water treatment apparatus |
US5068031A (en) * | 1990-07-06 | 1991-11-26 | Int'l Environmental Systems, Inc. | Sludge treatment apparatus |
US5190659A (en) * | 1990-07-06 | 1993-03-02 | International Environmental Systems Inc. | Contamination removal system employing filtration and plural ultraviolet and chemical treatment steps and treatment mode controller |
US5236595A (en) * | 1990-07-06 | 1993-08-17 | International Environmental Systems, Inc., Usa | Method and apparatus for filtration with plural ultraviolet treatment stages |
US5064531A (en) * | 1990-07-26 | 1991-11-12 | Int'l Environmental Systems, Inc. | Water filtration apparatus |
DE4101332A1 (de) * | 1991-01-18 | 1992-07-23 | Ibo W Grimmel Abwassertechnik | Vorrichtung zum reinigen von abwasser |
CN1040070C (zh) * | 1991-05-29 | 1998-10-07 | 美商国际环境系统公司 | 气体溶解和释放液体处理系统 |
DE4128665C1 (fi) * | 1991-08-29 | 1993-03-04 | K-Pack Systems International, Neede, Nl | |
US5242585A (en) * | 1991-09-04 | 1993-09-07 | Lenox Institute For Research, Inc. | Apparatus and method for deinking waste paper pulp |
US5401405A (en) * | 1993-05-24 | 1995-03-28 | Davis Water & Waste Industries, Inc. | Combined air/water backwash in a travelling bridge filter |
US5415771A (en) * | 1993-06-29 | 1995-05-16 | The Lenox Institute Of Water Technology, Inc. | High capacity single tank water clarification system |
FI97128C (fi) * | 1993-12-20 | 1996-10-25 | Oiva Suutarinen | Vedenpuhdistuslaitos |
IT1269815B (it) * | 1994-05-20 | 1997-04-15 | Fabio Perletti | Apparato per la chiarificazione spinta di liquidi con particelle solide in sospensione |
DE4427432A1 (de) * | 1994-08-03 | 1996-02-08 | Hubert Wilz | Verfahren und Anordnung zum kontinuierlichen Entfernen von abfilterbaren Stoffen aus einer Flüssigkeit |
US5516434A (en) * | 1995-05-26 | 1996-05-14 | Unicel, Inc. | Single cell gas flotation separator with filter media |
US5591347A (en) * | 1995-05-26 | 1997-01-07 | Unicel, Inc. | Single cell gas flotation separator with filter media |
US5656173A (en) * | 1996-03-05 | 1997-08-12 | National Tank Company | Method of removing dispersed oil from an oil in water emulsion employing aerated solutions within a coalescing media |
US5846413A (en) * | 1996-04-26 | 1998-12-08 | Lenox Institute Of Water Technology, Inc. | Three zone dissolved air flotation clarifier with improved efficiency |
US6174434B1 (en) | 1996-04-26 | 2001-01-16 | The Lenox Institute Of Water Technology, Inc. | Three zone dissolved air floatation clarifier with fixed lamellae and improved paddle-and-ramp sludge removal system |
DE19627161B4 (de) * | 1996-07-05 | 2006-02-02 | Dieter Frankenberger | Verfahren zum Abräumen von Schwimmstoffen und Räumvorrichtung |
US6171488B1 (en) * | 1997-07-15 | 2001-01-09 | Zpm, Inc. | Fluid conditioning system |
AT407633B (de) * | 1998-11-03 | 2001-05-25 | Lutz Willibald | Verfahren zum reinigen von strassentank- und strassensilofahrzeugen, eisenbahnkesselwaggons und tankschiffen |
FR2796306B1 (fr) * | 1999-07-13 | 2002-07-26 | Roumen Kaltchev | Clarificateur a air dissous avec filtre incorpore |
GB2392152B (en) * | 1999-08-16 | 2004-09-29 | Peter Ignatius Swan | Flotation filtration |
US6964740B2 (en) * | 2002-06-25 | 2005-11-15 | Dwain E. Morse | System and method of gas energy management for particle flotation and separation |
US6998046B2 (en) * | 2002-08-09 | 2006-02-14 | Rg Delaware, Inc. | Filter system and methods of operating the same |
US7347939B2 (en) * | 2002-10-14 | 2008-03-25 | Clean Water Technology, Inc. | Adjustable contaminated liquid mixing apparatus |
US7157007B2 (en) * | 2003-06-20 | 2007-01-02 | National Tank Company | Vertical gas induced flotation cell |
GB0525878D0 (en) * | 2005-12-21 | 2006-02-01 | Rwe Nukem Ltd | Sludge removal |
EP2134441B1 (en) * | 2007-02-13 | 2012-12-05 | FRAM Group IP LLC | Additive dispersing filter and method |
US9539531B2 (en) | 2007-02-13 | 2017-01-10 | Fram Group IP, LLC | Additive dispersing filter and method |
ES2356953B1 (es) * | 2007-06-22 | 2012-01-25 | Acciona Agua, S.A.U. | Sistema de flotación de partículas, flóculos y fangos aplicado al pretratamiento de aguas para procesos por osmosis inversa. |
US8518266B2 (en) * | 2009-11-16 | 2013-08-27 | Rg Delaware, Inc. | Dissolved air flotation clarifier |
CA2813961C (en) * | 2009-12-30 | 2017-11-07 | Fram Group Ip Llc | Additive dispersing filter and method |
US10005014B2 (en) | 2012-01-30 | 2018-06-26 | Fram Group Ip Llc | Additive carrier for spin on filters |
US9623350B2 (en) | 2013-03-01 | 2017-04-18 | Fram Group Ip Llc | Extended-life oil management system and method of using same |
CN104341065A (zh) * | 2013-08-02 | 2015-02-11 | 中国水产科学研究院渔业机械仪器研究所 | 一种电凝聚气浮法净化养鱼污水的工艺 |
CN104986767B (zh) * | 2015-06-03 | 2017-04-12 | 河南易成新能源股份有限公司 | 碳化硅微粉除碳装置及方法 |
CN105600787B (zh) * | 2016-03-21 | 2017-09-01 | 平顶山市国邦新材料有限公司 | 一种碳化硅除杂系统 |
CN108654151A (zh) * | 2018-05-29 | 2018-10-16 | 北京中地加荷环境工程有限公司 | 节电节水无机械搅拌增量提质微涡混凝沉淀澄清池 |
CN114593619A (zh) * | 2022-03-22 | 2022-06-07 | 重庆西南赛唯换热设备有限公司 | 一种钎焊板式换热器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307701A (en) * | 1963-09-05 | 1967-03-07 | Krofta Milos | Apparatus for purification of unclarified waste water |
DE2044319A1 (en) * | 1970-09-08 | 1972-06-22 | Krofta M | Effluent treatment - by combined flotation/sedimentation and filtration |
CA974335A (en) * | 1973-02-19 | 1975-09-09 | Joseph N. Parlette | Integral two stage clarifier |
GB1440324A (en) * | 1973-09-14 | 1976-06-23 | Hartley Simon Ltd | Flotation appataus |
US4022696A (en) * | 1976-03-24 | 1977-05-10 | Milos Krofta | Apparatus for clarification of waste water operating on dissolved air flotation process |
US4303517A (en) * | 1979-01-15 | 1981-12-01 | Sydlo Inc. | Liquid treatment apparatus |
-
1981
- 1981-09-15 US US06/302,566 patent/US4377485A/en not_active Expired - Fee Related
-
1982
- 1982-07-21 GB GB08221065A patent/GB2105601B/en not_active Expired
- 1982-07-26 IN IN568/DEL/82A patent/IN158976B/en unknown
- 1982-07-27 ZA ZA825390A patent/ZA825390B/xx unknown
- 1982-08-06 AU AU86954/82A patent/AU553891B2/en not_active Ceased
- 1982-08-09 CA CA000409006A patent/CA1171562A/en not_active Expired
- 1982-08-19 AR AR290352A patent/AR227484A1/es active
- 1982-08-24 IT IT22949/82A patent/IT1152507B/it active
- 1982-08-26 DE DE19823231844 patent/DE3231844A1/de active Granted
- 1982-08-30 JP JP57149371A patent/JPS5845785A/ja active Granted
- 1982-09-10 TR TR21907A patent/TR21907A/xx unknown
- 1982-09-10 ES ES515656A patent/ES515656A0/es active Granted
- 1982-09-13 FI FI823155A patent/FI74696C/fi not_active IP Right Cessation
- 1982-09-13 FR FR8215413A patent/FR2512802B1/fr not_active Expired
- 1982-09-13 SE SE8205214A patent/SE453590B/sv not_active IP Right Cessation
- 1982-09-14 MX MX194418A patent/MX156978A/es unknown
- 1982-09-14 CH CH5433/82A patent/CH659240A5/de not_active IP Right Cessation
- 1982-09-14 BR BR8205385A patent/BR8205385A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8205214L (sv) | 1983-03-16 |
GB2105601A (en) | 1983-03-30 |
JPS5845785A (ja) | 1983-03-17 |
ES8403840A1 (es) | 1984-04-01 |
IT1152507B (it) | 1987-01-07 |
IT8222949A0 (it) | 1982-08-24 |
AU8695482A (en) | 1983-03-24 |
FR2512802B1 (fr) | 1986-04-25 |
MX156978A (es) | 1988-10-18 |
FI74696B (fi) | 1987-11-30 |
FI74696C (fi) | 1988-03-10 |
CA1171562A (en) | 1984-07-24 |
ZA825390B (en) | 1983-06-29 |
US4377485A (en) | 1983-03-22 |
TR21907A (tr) | 1985-10-31 |
FR2512802A1 (fr) | 1983-03-18 |
DE3231844C2 (fi) | 1989-08-03 |
FI823155A0 (fi) | 1982-09-13 |
BR8205385A (pt) | 1983-08-23 |
DE3231844A1 (de) | 1983-03-31 |
SE8205214D0 (sv) | 1982-09-13 |
AU553891B2 (en) | 1986-07-31 |
SE453590B (sv) | 1988-02-15 |
GB2105601B (en) | 1985-04-11 |
ES515656A0 (es) | 1984-04-01 |
CH659240A5 (de) | 1987-01-15 |
IN158976B (fi) | 1987-02-28 |
JPH0148075B2 (fi) | 1989-10-17 |
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