CS225806B1 - The manufacturing process of the steel - Google Patents

The manufacturing process of the steel Download PDF

Info

Publication number
CS225806B1
CS225806B1 CS776540A CS654077A CS225806B1 CS 225806 B1 CS225806 B1 CS 225806B1 CS 776540 A CS776540 A CS 776540A CS 654077 A CS654077 A CS 654077A CS 225806 B1 CS225806 B1 CS 225806B1
Authority
CS
Czechoslovakia
Prior art keywords
iron
iron carbide
steel
carbon
carbide
Prior art date
Application number
CS776540A
Other languages
Czech (cs)
English (en)
Inventor
Frank Moe Stephens
Original Assignee
Hazen Research
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hazen Research filed Critical Hazen Research
Priority to CS776540A priority Critical patent/CS225806B1/cs
Publication of CS225806B1 publication Critical patent/CS225806B1/cs

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B15/00—Other processes for the manufacture of iron from iron compounds
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • 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
    • Y02P10/20—Recycling
CS776540A 1975-10-14 1977-10-07 The manufacturing process of the steel CS225806B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS776540A CS225806B1 (en) 1975-10-14 1977-10-07 The manufacturing process of the steel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/622,101 US4053301A (en) 1975-10-14 1975-10-14 Process for the direct production of steel
CS776540A CS225806B1 (en) 1975-10-14 1977-10-07 The manufacturing process of the steel

Publications (1)

Publication Number Publication Date
CS225806B1 true CS225806B1 (en) 1984-02-13

Family

ID=41667474

Family Applications (1)

Application Number Title Priority Date Filing Date
CS776540A CS225806B1 (en) 1975-10-14 1977-10-07 The manufacturing process of the steel

Country Status (23)

Country Link
US (2) US4053301A (de)
JP (1) JPS6053084B2 (de)
AT (2) AT372703B (de)
AU (3) AU511757B2 (de)
BE (1) BE859543A (de)
BR (1) BR7608606A (de)
CS (1) CS225806B1 (de)
DD (2) DD139726A5 (de)
DE (1) DE2700427A1 (de)
DK (1) DK153956C (de)
ES (1) ES462924A1 (de)
FR (2) FR2375327A1 (de)
HU (1) HU177214B (de)
IE (3) IE46155B1 (de)
IN (1) IN147340B (de)
IT (1) IT1087734B (de)
MX (2) MX5584E (de)
NL (1) NL7710893A (de)
NO (1) NO147344C (de)
OA (1) OA05782A (de)
PL (1) PL116930B1 (de)
SE (2) SE438000B (de)
ZA (1) ZA776003B (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211555A (en) * 1978-02-21 1980-07-08 Southwire Company Method of controlling combustion in a metal melting furnace
US4248624A (en) * 1979-04-26 1981-02-03 Hylsa, S.A. Use of prereduced ore in a blast furnace
US4396423A (en) * 1981-06-22 1983-08-02 Stephens Jr Frank M Process for recovering iron and zinc from steel making dusts
US4398945A (en) * 1981-06-22 1983-08-16 Stephens Jr Frank M Process for producing a ferronickel alloy from nickel bearing laterites
EP0244551B1 (de) * 1986-05-07 1990-03-14 VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT m.b.H. Integriertes Hüttenwerk
AT388176B (de) * 1987-07-30 1989-05-10 Voest Alpine Ag Verfahren und anlage zur gewinnung von fluessigem roheisen oder stahlvorprodukten aus stueckigen, eisenoxidhaeltigen einsatzstoffen
US5064467A (en) * 1987-11-02 1991-11-12 C.V.G. Siderurgica Del Orinoco, C.A. Method and apparatus for the direct reduction of iron
US5277795A (en) * 1989-06-13 1994-01-11 Thornhill Denis H Process and apparatus for recovering heavy metal from carbonaceous material
US5078788A (en) * 1989-12-22 1992-01-07 C.V.G. Siderurgica Del Orinoco, C.A. Method for the direct reduction of iron
US5069716A (en) * 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
NZ229777A (en) * 1989-12-30 1991-08-27 Nz Government Method for manufacturing ceramic-metal composites
EP0541711B1 (de) * 1990-08-01 1999-01-27 Iron Carbide Holdings Limited Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
AT395435B (de) * 1991-02-19 1992-12-28 Voest Alpine Ind Anlagen Verfahren zur inbetriebnahme einer anlage zur herstellung von roheisen oder stahlvormaterial, sowie anlage zur durchfuehrung des verfahrens
US5139568A (en) * 1991-10-03 1992-08-18 Cargill, Incorporated Continuous production of iron-carbon alloy using iron carbide
US5316565A (en) * 1991-12-18 1994-05-31 Kibby Robert M Carbothermic reduction product gas treatment
DE4320359C1 (de) * 1993-06-19 1994-10-20 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C
EP0630975B1 (de) * 1993-06-19 1997-07-23 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
DE4410093C1 (de) * 1994-03-24 1995-03-09 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
US5474280A (en) * 1993-08-20 1995-12-12 Martin; Charles A. Apparatus for preheating a reactor feed
US5387274A (en) * 1993-11-15 1995-02-07 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of iron carbide
US5869018A (en) * 1994-01-14 1999-02-09 Iron Carbide Holdings, Ltd. Two step process for the production of iron carbide from iron oxide
US5618032A (en) * 1994-05-04 1997-04-08 Midrex International B.V. Rotterdam, Zurich Branch Shaft furnace for production of iron carbide
US5437708A (en) * 1994-05-04 1995-08-01 Midrex International B.V. Rotterdam, Zurich Branch Iron carbide production in shaft furnace
US5435831A (en) * 1994-08-12 1995-07-25 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidizable bed co-processing of fines in a direct reduction system
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system
US5674308A (en) * 1994-08-12 1997-10-07 Midrex International B.V. Rotterdam, Zurich Branch Spouted bed circulating fluidized bed direct reduction system and method
US5516358A (en) * 1994-11-17 1996-05-14 Pro-Tech Reclamation, Inc. Method for the production of iron carbide
CN1047631C (zh) * 1994-12-20 1999-12-22 Usx有限公司 由碳化铁制造钢的方法和装置
US5733358A (en) * 1994-12-20 1998-03-31 Usx Corporation And Praxair Technology, Inc. Process and apparatus for the manufacture of steel from iron carbide
US5690717A (en) * 1995-03-29 1997-11-25 Iron Carbide Holdings, Ltd. Iron carbide process
AUPN226095A0 (en) 1995-04-07 1995-05-04 Technological Resources Pty Limited A method of producing metals and metal alloys
US5733357A (en) * 1996-02-05 1998-03-31 Iron Carbide Holdings, Ltd. Process for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agent
US5804156A (en) * 1996-07-19 1998-09-08 Iron Carbide Holdings, Ltd. Iron carbide process
US5810906A (en) * 1996-08-28 1998-09-22 Iron Carbide Holdings, Ltd. Method for preheating feed materials for the production of iron carbide
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
AT404256B (de) 1996-11-06 1998-10-27 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm
AT406382B (de) * 1996-11-06 2000-04-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm durch direktreduktion von eisenoxidhältigem material
AUPO426096A0 (en) 1996-12-18 1997-01-23 Technological Resources Pty Limited Method and apparatus for producing metals and metal alloys
AUPO426396A0 (en) * 1996-12-18 1997-01-23 Technological Resources Pty Limited A method of producing iron
US5824134A (en) * 1997-01-29 1998-10-20 Powers; Jim Direct reduction of iron ore utilizing organic hazardous materials
AUPO944697A0 (en) * 1997-09-26 1997-10-16 Technological Resources Pty Limited A method of producing metals and metal alloys
JPH11171527A (ja) * 1997-12-04 1999-06-29 Kawasaki Heavy Ind Ltd 鉄カーバイドの製造方法
AU750751B2 (en) 1998-03-31 2002-07-25 Iron Carbide Holdings, Ltd Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US6063155A (en) * 1998-04-06 2000-05-16 Orinoco Iron, C.A. Fluidized bed process for the production of iron carbide
AUPP442598A0 (en) 1998-07-01 1998-07-23 Technological Resources Pty Limited Direct smelting vessel
MY119760A (en) 1998-07-24 2005-07-29 Tech Resources Pty Ltd A direct smelting process
AUPP483898A0 (en) 1998-07-24 1998-08-13 Technological Resources Pty Limited A direct smelting process & apparatus
AUPP554098A0 (en) 1998-08-28 1998-09-17 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPP570098A0 (en) 1998-09-04 1998-10-01 Technological Resources Pty Limited A direct smelting process
AUPP805599A0 (en) 1999-01-08 1999-02-04 Technological Resources Pty Limited A direct smelting process
AUPQ083599A0 (en) 1999-06-08 1999-07-01 Technological Resources Pty Limited Direct smelting vessel
AUPQ152299A0 (en) 1999-07-09 1999-08-05 Technological Resources Pty Limited Start-up procedure for direct smelting process
AUPQ213099A0 (en) 1999-08-10 1999-09-02 Technological Resources Pty Limited Pressure control
AUPQ308799A0 (en) 1999-09-27 1999-10-21 Technological Resources Pty Limited A direct smelting process
AUPQ346399A0 (en) 1999-10-15 1999-11-11 Technological Resources Pty Limited Stable idle procedure
AUPQ365799A0 (en) 1999-10-26 1999-11-18 Technological Resources Pty Limited A direct smelting apparatus and process
EP1160337A1 (de) * 2000-05-31 2001-12-05 DANIELI & C. OFFICINE MECCANICHE S.p.A. Verfahren zur Vorwärmung und Aufkohlung von direkt-reduziertem Eisen (DRI) vor dessen Beschickung in einen Elektroofen
US6602321B2 (en) 2000-09-26 2003-08-05 Technological Resources Pty. Ltd. Direct smelting process
EP1670959B1 (de) * 2003-10-03 2009-12-16 Corus Technology BV Verfahren zur reduktion von eisen-sauerstoff-verbindungen
CN101684509B (zh) * 2008-09-27 2012-06-13 鞍钢股份有限公司 一种转炉防倒钢的方法
US8557014B2 (en) * 2011-01-28 2013-10-15 Albert Calderon Method for making liquid iron and steel
CN105087904A (zh) * 2015-09-29 2015-11-25 攀枝花钢城集团有限公司 铁粉尾矿处理工艺

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US228329A (en) * 1880-06-01 Thomas a
US88939A (en) * 1869-04-13 Improved mode op roasting iron-ores
FR594547A (fr) * 1924-05-19 1925-09-14 Procedes Metallurg Constant Br Perfectionnement aux procédés métallurgiques de fabrication de l'acier
US1786386A (en) * 1927-06-24 1930-12-23 Ashcroft Edgar Arthur Extraction of tin from ores or materials containing tin
GB319309A (en) * 1928-06-19 1929-09-19 Bradley Fitch Company Improvements in and relating to the treatment of materials for the concentration of iron contained therein
GB615720A (en) * 1945-07-06 1949-01-11 Arthur Tregoning Cape Improvements in or relating to the production of iron
US2598393A (en) * 1948-10-25 1952-05-27 Kalling Bo Michael Sture Method in carrying out treatment of melted pig iron or other alloyed iron
US2653088A (en) * 1951-08-09 1953-09-22 Robert D Pike Direct production of steel from oxides of iron
US2780537A (en) * 1952-11-24 1957-02-05 Stelling Process of treating pulverulent iron oxides
GB747584A (en) * 1952-11-24 1956-04-11 Otto Stelling Treatment of pulverulent iron oxides
GB759224A (en) * 1953-07-30 1956-10-17 Stora Kopparbergs Bergslags Ab Method of refining iron-carbon alloys
US2806779A (en) * 1953-09-29 1957-09-17 Mcwane Cast Iron Pipe Co Method of producing iron
US2774662A (en) * 1955-09-13 1956-12-18 Bethlehem Steel Corp Reduction and fusion of metals
US2894831A (en) * 1956-11-28 1959-07-14 Old Bruce Scott Process of fluidized bed reduction of iron ore followed by electric furnace melting
US2978318A (en) * 1957-07-15 1961-04-04 Stora Kopparbergs Bergslags Ab Method of producing steel from pulverulent iron products rich in carbon
FR1247408A (fr) * 1959-10-20 1960-12-02 Soc Metallurgique Imphy Procédé de réduction du minerai de fer par du gaz naturel
US3160498A (en) * 1960-06-29 1964-12-08 Armco Steel Corp Fluidized iron ore reduction process and apparatus
US3140168A (en) * 1961-05-31 1964-07-07 Inland Steel Co Reduction of iron ore with hydrogen
US3288590A (en) * 1963-07-22 1966-11-29 Hydrocarbon Research Inc Continuous oxide reduction process
US3364009A (en) * 1964-03-12 1968-01-16 Kemmetmuller Roland Method for the production of iron and steel
FR1403970A (fr) * 1964-06-18 1965-06-25 Hydrocarbon Research Inc Procédé et installations pour la réduction d'oxydes métalliques, notamment d'oxydes de fer, et produits industriels nouveaux obtenus
DE1254363B (de) * 1964-12-10 1967-11-16 Elektrometallurgie M B H Ges Verfahren zur Reduktion von oxydischen Rohstoffen
AU417410B1 (en) * 1966-01-10 1971-09-23 Owen Morris David Improved method and means for the production of pig iron and steel
US3637368A (en) * 1968-10-16 1972-01-25 Exxon Research Engineering Co Increased metallizations of iron ore from fluidized bed processes
GB1269842A (en) * 1968-11-29 1972-04-06 Midland Ross Corp Metallised pellet, and process for producing steel using metallized pellets
DE1960082A1 (de) * 1968-12-17 1970-07-02 Union Carbide Corp Verfahren zum Niederschmelzen von Metallen
US3765872A (en) * 1970-12-16 1973-10-16 Fierro Esponja Method and apparatus for the gaseous reduction of iron ore to sponge iron
US3788835A (en) * 1970-12-30 1974-01-29 Exxon Research Engineering Co Iron ore reduction process(nu-9)
ES394143A1 (es) * 1971-08-11 1974-11-16 Servicios De Ingenieria Proyec Perfeccionamientos en procedimientos y dispositivos emplea-dos para la eliminacion del oxigeno presente en los oxidos.
DE2401909C3 (de) * 1974-01-16 1985-06-27 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl
US3997333A (en) * 1975-02-26 1976-12-14 Westinghouse Electric Corporation Process for the reduction of complex metallic ores
JP2659727B2 (ja) * 1987-11-26 1997-09-30 株式会社日立製作所 オンラインシステム

Also Published As

Publication number Publication date
OA05782A (fr) 1981-05-31
IE822206L (en) 1979-03-29
NO773452L (no) 1979-04-11
AU1940976A (en) 1978-05-18
IT1087734B (it) 1985-06-04
NO147344C (no) 1983-03-23
FR2375327B1 (de) 1981-06-19
DD134649A5 (de) 1979-03-14
ES462924A1 (es) 1978-10-01
DE2700427A1 (de) 1978-07-13
AU511757B2 (en) 1980-09-04
DD139726A5 (de) 1980-01-16
JPS5362717A (en) 1978-06-05
BR7608606A (pt) 1978-07-18
IE46155L (en) 1979-03-29
IE46156B1 (en) 1983-03-09
NO147344B (no) 1982-12-13
SE410277B (sv) 1979-10-08
IE46157B1 (en) 1983-03-09
PL201383A1 (pl) 1979-05-07
FR2431540A1 (fr) 1980-02-15
USRE32247E (en) 1986-09-16
IE46155B1 (en) 1983-03-09
AU6083180A (en) 1980-11-06
AT372703B (de) 1983-11-10
SE7810769L (sv) 1979-02-19
US4053301A (en) 1977-10-11
AU4737079A (en) 1979-09-27
FR2431540B1 (de) 1981-11-20
DK153956B (da) 1988-09-26
ATA709977A (de) 1983-03-15
MX5584E (es) 1983-10-28
AT372702B (de) 1983-11-10
DK153956C (da) 1989-02-13
MX5693E (es) 1983-12-13
BE859543A (fr) 1978-02-01
PL116930B1 (en) 1981-07-31
AU545314B2 (en) 1985-07-11
HU177214B (en) 1981-08-28
ZA776003B (en) 1979-05-30
IN147340B (de) 1980-02-02
SE7614490L (sv) 1978-06-23
ATA546481A (de) 1983-03-15
JPS6053084B2 (ja) 1985-11-22
FR2375327A1 (fr) 1978-07-21
NL7710893A (nl) 1979-04-06
DK449177A (da) 1979-04-11
SE438000B (sv) 1985-03-25

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