FR2850671B1 - Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue - Google Patents

Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue

Info

Publication number
FR2850671B1
FR2850671B1 FR0301358A FR0301358A FR2850671B1 FR 2850671 B1 FR2850671 B1 FR 2850671B1 FR 0301358 A FR0301358 A FR 0301358A FR 0301358 A FR0301358 A FR 0301358A FR 2850671 B1 FR2850671 B1 FR 2850671B1
Authority
FR
France
Prior art keywords
band
ferrito
rolled
dual
cold
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
FR0301358A
Other languages
English (en)
French (fr)
Other versions
FR2850671A1 (fr
Inventor
Antoine Moulin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
USINOR SA
Original Assignee
USINOR SA
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
Priority to FR0301358A priority Critical patent/FR2850671B1/fr
Application filed by USINOR SA filed Critical USINOR SA
Priority to PCT/FR2004/000209 priority patent/WO2004079022A1/fr
Priority to CNB2004800034661A priority patent/CN100465299C/zh
Priority to HUE04706710A priority patent/HUE052206T2/hu
Priority to RU2005127577/02A priority patent/RU2341566C2/ru
Priority to EP04706710.3A priority patent/EP1592816B1/fr
Priority to ES04706710T priority patent/ES2831249T3/es
Priority to US10/544,206 priority patent/US20060144482A1/en
Priority to UAA200508475A priority patent/UA87454C2/ru
Priority to JP2006505664A priority patent/JP4528769B2/ja
Priority to CA2514736A priority patent/CA2514736C/fr
Priority to KR1020057014238A priority patent/KR101091021B1/ko
Priority to PL377834A priority patent/PL206109B1/pl
Priority to MXPA05008189A priority patent/MXPA05008189A/es
Priority to BR0407236-7A priority patent/BRPI0407236A/pt
Publication of FR2850671A1 publication Critical patent/FR2850671A1/fr
Priority to ZA200505968A priority patent/ZA200505968B/en
Application granted granted Critical
Publication of FR2850671B1 publication Critical patent/FR2850671B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Metal Rolling (AREA)
FR0301358A 2003-02-05 2003-02-05 Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue Expired - Lifetime FR2850671B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR0301358A FR2850671B1 (fr) 2003-02-05 2003-02-05 Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue
CA2514736A CA2514736C (fr) 2003-02-05 2004-01-30 Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue
HUE04706710A HUE052206T2 (hu) 2003-02-05 2004-01-30 Eljárás ferrites/martenzites szövetû duál fázisú acélból lévõ hidegen hengerelt szalag gyártására, valamint az így nyert szalag
RU2005127577/02A RU2341566C2 (ru) 2003-02-05 2004-01-30 Способ изготовления холоднокатаной полосы из двухфазной стали с ферритно-мартенситной структурой и полученная полоса
EP04706710.3A EP1592816B1 (fr) 2003-02-05 2004-01-30 Procede de fabrication d une bande d acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue
ES04706710T ES2831249T3 (es) 2003-02-05 2004-01-30 Procedimiento de fabricación de una banda de acero de fase dual con estructura ferrito-martensítica, laminada en frío y banda obtenida
US10/544,206 US20060144482A1 (en) 2003-02-05 2004-01-30 Method of producing a cold-rolled band of dual-phase steel with a ferritic/martensitic structure and band thus obtained
UAA200508475A UA87454C2 (ru) 2003-02-05 2004-01-30 Способ изготовления холоднокатаной полосы из двухфазной стали с феритно-мартенситной структурой, полученная полоса и ее применение
PCT/FR2004/000209 WO2004079022A1 (fr) 2003-02-05 2004-01-30 Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue
CNB2004800034661A CN100465299C (zh) 2003-02-05 2004-01-30 生产冷轧铁素体/马氏体双相钢带的方法及由此得到的带材
KR1020057014238A KR101091021B1 (ko) 2003-02-05 2004-01-30 페라이트/마텐자이트 구조의 이중상 냉간 압연 띠강의 제조방법 및 이에 의해 제조된 띠강
PL377834A PL206109B1 (pl) 2003-02-05 2004-01-30 Taśma ze stali dwufazowej o strukturze ferrytyczno-martenzytycznej walcowana na zimno, sposób wytwarzania taśmy ze stali dwufazowej o strukturze ferrytyczno-martenzytycznej walcowanej na zimno oraz zastosowanie taśmy ze stali dwufazowej otrzymanej tym sposobem
MXPA05008189A MXPA05008189A (es) 2003-02-05 2004-01-30 Procedimiento de fabricacion de una banda de acero bifasico de estructura ferritico- martensitica, laminada en frio, y banda obtenida.
BR0407236-7A BRPI0407236A (pt) 2003-02-05 2004-01-30 Processo de fabricação de uma tira de aço bifásico de estrutura ferrito-martensìtica, laminada a frio e tira obtida
JP2006505664A JP4528769B2 (ja) 2003-02-05 2004-01-30 冷間圧延フェライト／マルテンサイト組織の二相鋼鉄製の鋼帯の製造方法及びそれで得られた鋼帯
ZA200505968A ZA200505968B (en) 2003-02-05 2005-07-25 Method of producing a cold-rolled band of dual-phase steel with a ferritic/martensitic structure and band thus obtained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0301358A FR2850671B1 (fr) 2003-02-05 2003-02-05 Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue

Publications (2)

Publication Number Publication Date
FR2850671A1 FR2850671A1 (fr) 2004-08-06
FR2850671B1 true FR2850671B1 (fr) 2006-05-19

Family

ID=32696392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0301358A Expired - Lifetime FR2850671B1 (fr) 2003-02-05 2003-02-05 Procede de fabrication d'une bande d'acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue

Country Status (16)

Country Link
US (1) US20060144482A1 (enExample)
EP (1) EP1592816B1 (enExample)
JP (1) JP4528769B2 (enExample)
KR (1) KR101091021B1 (enExample)
CN (1) CN100465299C (enExample)
BR (1) BRPI0407236A (enExample)
CA (1) CA2514736C (enExample)
ES (1) ES2831249T3 (enExample)
FR (1) FR2850671B1 (enExample)
HU (1) HUE052206T2 (enExample)
MX (1) MXPA05008189A (enExample)
PL (1) PL206109B1 (enExample)
RU (1) RU2341566C2 (enExample)
UA (1) UA87454C2 (enExample)
WO (1) WO2004079022A1 (enExample)
ZA (1) ZA200505968B (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8337643B2 (en) 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
US7959747B2 (en) * 2004-11-24 2011-06-14 Nucor Corporation Method of making cold rolled dual phase steel sheet
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold rolled dual-phase steel sheet
US11155902B2 (en) 2006-09-27 2021-10-26 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
US7608155B2 (en) * 2006-09-27 2009-10-27 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
MX2010003835A (es) 2007-10-10 2010-05-13 Nucor Corp Acero estructurado metalografico complejo y metodo para manufacturarlo.
CN101768697B (zh) * 2008-12-31 2012-09-19 宝山钢铁股份有限公司 用一次冷轧法生产取向硅钢的方法
CN101781739A (zh) * 2010-03-18 2010-07-21 武汉钢铁(集团)公司 抗拉强度500MPa级汽车用冷轧双相钢
CN102115808B (zh) * 2010-11-17 2013-04-24 山东钢铁股份有限公司 铁素体区轧制温度控制系统
CN103459619B (zh) * 2011-03-22 2015-06-10 日立金属株式会社 热轧马氏体时效钢带的卷绕方法
RU2563397C2 (ru) * 2011-07-06 2015-09-20 Ниппон Стил Энд Сумитомо Метал Корпорейшн Способ получения холоднокатаного стального листа
CA2857281C (en) 2011-11-28 2018-12-04 Arcelormittal Investigacion Y Desarrollo S.L. High silicon bearing dual phase steels with improved ductility
JP2013181183A (ja) * 2012-02-29 2013-09-12 Jfe Steel Corp 降伏強度の面内異方性の小さい高強度冷延鋼板およびその製造方法
RU2587102C1 (ru) * 2012-04-23 2016-06-10 ДжФЕ СТИЛ КОРПОРЕЙШН Высокопрочный стальной лист и способ его изготовления
RU2491357C1 (ru) * 2012-05-10 2013-08-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Способ производства листовой стали
CN102703815A (zh) * 2012-06-19 2012-10-03 东北大学 一种600MPa级热轧双相钢及其制备方法
WO2014081779A1 (en) * 2012-11-20 2014-05-30 Thyssenkrupp Steel Usa, Llc Process for manufacturing ferritic hot rolled steel strip
WO2014081776A1 (en) * 2012-11-20 2014-05-30 Thyssenkrupp Steel Usa, Llc Process for making cold-rolled dual phase steel sheet
US9790567B2 (en) 2012-11-20 2017-10-17 Thyssenkrupp Steel Usa, Llc Process for making coated cold-rolled dual phase steel sheet
WO2014145536A1 (en) * 2013-03-15 2014-09-18 Am/Ns Calvert Llc New high strength bake hardenable low alloy steel and process for manufacture thereof
RU2529323C1 (ru) * 2013-06-27 2014-09-27 Открытое акционерное общество "Северсталь" (ОАО "Северсталь") Способ производства оцинкованной полосы для последующего нанесения полимерного покрытия
DE102013013067A1 (de) * 2013-07-30 2015-02-05 Salzgitter Flachstahl Gmbh Siliziumhaltiger, mikrolegierter hochfester Mehrphasenstahl mit einer Mindestzugfestigkeit von 750 MPa und verbesserten Eigenschaften und Verfahren zur Herstellung eines Bandes aus diesem Stahl
DE102013224851A1 (de) * 2013-12-04 2015-06-11 Schaeffler Technologies AG & Co. KG Kettenelement
CN103952523B (zh) * 2014-04-15 2016-01-20 东北大学 一种马氏体铁素体双相钢冷轧板带的连续退火方法
PL3164516T3 (pl) 2014-07-03 2019-10-31 Arcelormittal Sposób wytwarzania powlekanej albo niepowlekanej blachy stalowej o ultra wysokiej wytrzymałości i uzyskana blacha
WO2016118945A1 (en) * 2015-01-23 2016-07-28 Alcoa Inc. Aluminum alloy products
US10808293B2 (en) 2015-07-15 2020-10-20 Ak Steel Properties, Inc. High formability dual phase steel
WO2017109541A1 (en) 2015-12-21 2017-06-29 Arcelormittal Method for producing a high strength coated steel sheet having improved ductility and formability, and obtained coated steel sheet
WO2017109538A1 (en) * 2015-12-21 2017-06-29 Arcelormittal Method for producing a steel sheet having improved strength, ductility and formability
CN105401071B (zh) * 2015-12-22 2017-12-29 武汉钢铁有限公司 一种500MPa级轿车用镀锌双相钢及生产方法
JP6704997B2 (ja) 2015-12-29 2020-06-03 アルセロールミタル 超高強度合金化溶融亜鉛めっき鋼板を製造するための方法、及び得られた合金化溶融亜鉛めっき鋼板
RU2718604C1 (ru) * 2019-11-05 2020-04-08 Публичное акционерное общество "Магнитогорский металлургический комбинат" Способ производства холоднокатаного высокопрочного проката различных классов прочности из двухфазной ферритно-мартенситной стали

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413403B1 (enExample) * 1971-03-27 1979-05-30
US4159218A (en) 1978-08-07 1979-06-26 National Steel Corporation Method for producing a dual-phase ferrite-martensite steel strip
JPS5684443A (en) * 1979-12-14 1981-07-09 Nippon Kokan Kk <Nkk> High tensile cold rolled steel plate excellent in press moldability and denting resistance and its manufacture
JPS5773132A (en) * 1980-10-24 1982-05-07 Nippon Kokan Kk <Nkk> Production of cold rolled mild steel plate of superior deep drawability and aging resistance by continuous annealing
US5123969A (en) * 1991-02-01 1992-06-23 China Steel Corp. Ltd. Bake-hardening cold-rolled steel sheet having dual-phase structure and process for manufacturing it
JP3370875B2 (ja) * 1996-11-18 2003-01-27 株式会社神戸製鋼所 耐衝撃性に優れた高強度鋼板及びその製造方法
RU2128719C1 (ru) * 1997-03-05 1999-04-10 Научно-производственный институт АО "Новолипецкий металлургический комбинат" Способ производства горячеоцинкованного металла высших категорий вытяжки с тончайшим цинковым покрытием с превосходной штампуемостью
CA2283924C (en) * 1997-03-17 2006-11-28 Nippon Steel Corporation Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same
JP3936440B2 (ja) * 1997-08-06 2007-06-27 新日本製鐵株式会社 耐衝突安全性と成形性に優れた自動車用高強度鋼板とその製造方法
JPH10317096A (ja) 1997-03-17 1998-12-02 Nippon Steel Corp 耐衝突安全性に優れた自動車用高強度鋼板とその製造方法
JP3899680B2 (ja) * 1998-05-29 2007-03-28 Ｊｆｅスチール株式会社 塗装焼付硬化型高張力鋼板およびその製造方法
JP3793350B2 (ja) * 1998-06-29 2006-07-05 新日本製鐵株式会社 動的変形特性に優れたデュアルフェーズ型高強度冷延鋼板とその製造方法
US6312536B1 (en) * 1999-05-28 2001-11-06 Kabushiki Kaisha Kobe Seiko Sho Hot-dip galvanized steel sheet and production thereof
TW550296B (en) * 2000-02-29 2003-09-01 Kawasaki Steel Co High tensile cold-rolled steel sheet having excellent strain aging hardening properties and manufacturing method thereof
JP4517525B2 (ja) * 2001-03-14 2010-08-04 Ｊｆｅスチール株式会社 低温用低降伏比鋼材の製造方法
RU2197542C1 (ru) * 2001-06-28 2003-01-27 Открытое акционерное общество "Северсталь" Способ производства листовой стали

Also Published As

Publication number Publication date
FR2850671A1 (fr) 2004-08-06
PL206109B1 (pl) 2010-07-30
ES2831249T3 (es) 2021-06-08
EP1592816A1 (fr) 2005-11-09
CN1748039A (zh) 2006-03-15
KR101091021B1 (ko) 2011-12-09
KR20050095782A (ko) 2005-09-30
US20060144482A1 (en) 2006-07-06
CA2514736C (fr) 2012-12-04
PL377834A1 (pl) 2006-02-20
JP4528769B2 (ja) 2010-08-18
EP1592816B1 (fr) 2020-10-14
CN100465299C (zh) 2009-03-04
HUE052206T2 (hu) 2021-04-28
RU2341566C2 (ru) 2008-12-20
MXPA05008189A (es) 2005-10-05
RU2005127577A (ru) 2006-02-10
WO2004079022A1 (fr) 2004-09-16
CA2514736A1 (fr) 2004-09-16
ZA200505968B (en) 2006-06-28
UA87454C2 (ru) 2009-07-27
JP2006520431A (ja) 2006-09-07
BRPI0407236A (pt) 2006-01-31

Similar Documents

Publication Publication Date Title
FR2850671B1 (fr) Procede de fabrication d&#39;une bande d&#39;acier dual-phase a structure ferrito-martensitique, laminee a froid et bande obtenue
FR2892196B1 (fr) Procede de fabrication d&#39;un biocapteur a detection integree
FR2892339B1 (fr) Procede de fabrication d&#39;une aube de turbomachine composite, et aube obtenue par ce procede
EP1798201A4 (en) PROCESS FOR THE PRODUCTION OF METAL OXIDEOL
EP1592054A4 (en) DISPLAY METHOD
EP1607487A4 (en) CORNORATED MAGNETIC STEEL PLATE WITH EXCELLENT MAGNETIC BEHAVIOR AND MANUFACTURING METHOD THEREFOR
FR2898014B1 (fr) Procede de fabrication d&#39;un dessert glace et dessert glace ainsi obtenu
EP1739058A4 (en) METHOD FOR PRODUCING A CARBON NANOSTRUCTURE
EP1592052A4 (en) PROCESS FOR DISPLAY PRODUCTION
ITMI20041663A1 (it) &#34;metodo per la produzione di un filo metallico solido per saldatura&#34;
DE60110586D1 (de) Kaltgewalztes stahlblech mit ausgezeichneten reckalterungseigenschaftenund herstellungsverfahren für ein solches stahlblech
EP1592053A4 (en) WIRING METHOD
FR2831331B1 (fr) Procede de fabrication d&#39;une micro-batterie
EP1548691A4 (en) METHOD FOR PRODUCING A PLASMA DISPLAY DEVICE
EP1440931A4 (en) METHOD FOR PRODUCING METAL MICROSTRUCTURES
ZA200509876B (en) Method and installation for the production of hot-rolled strip having a dual-phase structure
NO20043694L (no) Martensittisk rustfritt stal samt fremgangsmate for a fremstille samme
FR2825302B1 (fr) Procede de fabrication de profiles metalliques
FR2878465B1 (fr) Procede de fabrication d&#39;un element allonge composite rugueux, element allonge composite rugueux
DE60235943D1 (de) Stahlherstellungsverfahren
EP1937854A4 (en) BY BAKE-HARDENING, HARDENED COLD-ROLLED STEEL PLATE WITH SUPERIOR STRENGTH, AFTER ZINCING, HEAT-TREATED STEEL PLATE, USING COLD-ROLLED STEEL PLATE, AND METHOD FOR PRODUCING COLD-ROLLED STEEL PLATE
FR2861719B1 (fr) Procede de fabrication d&#39;une preforme
FR2882707B1 (fr) Siege de vehicule et procede de fabrication d&#39;un tel siege
FR2879108B1 (fr) Procede de fabrication d&#39;un extenseur et extenseur obtenu
FR2863187B1 (fr) Procede de fabrication d&#39;une poulie d&#39;entrainement et poulie realisee selon ce procede

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20