PL2858809T3 - Sposób obróbki termicznej proszków - Google Patents

Sposób obróbki termicznej proszków

Info

Publication number
PL2858809T3
PL2858809T3 PL13727185T PL13727185T PL2858809T3 PL 2858809 T3 PL2858809 T3 PL 2858809T3 PL 13727185 T PL13727185 T PL 13727185T PL 13727185 T PL13727185 T PL 13727185T PL 2858809 T3 PL2858809 T3 PL 2858809T3
Authority
PL
Poland
Prior art keywords
heat
treating powders
powders
treating
Prior art date
Application number
PL13727185T
Other languages
English (en)
Inventor
Cécile CORRIOL
Original Assignee
Rhodia Operations
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46852168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL2858809(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhodia Operations filed Critical Rhodia Operations
Publication of PL2858809T3 publication Critical patent/PL2858809T3/pl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/05—Forming flame retardant coatings or fire resistant coatings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/08—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2477/06—Polyamides derived from polyamines and polycarboxylic acids
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y10T428/31728—Next to second layer of polyamide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Civil Engineering (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Polyamides (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
PL13727185T 2012-06-12 2013-06-06 Sposób obróbki termicznej proszków PL2858809T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1255474A FR2991622A1 (fr) 2012-06-12 2012-06-12 Procede de traitement thermiques de poudres
PCT/EP2013/061718 WO2013186120A1 (fr) 2012-06-12 2013-06-06 Procede de traitement thermique de poudres
EP13727185.4A EP2858809B1 (fr) 2012-06-12 2013-06-06 Procede de traitement thermique de poudres

Publications (1)

Publication Number Publication Date
PL2858809T3 true PL2858809T3 (pl) 2020-08-10

Family

ID=46852168

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13727185T PL2858809T3 (pl) 2012-06-12 2013-06-06 Sposób obróbki termicznej proszków

Country Status (11)

Country Link
US (1) US9512285B2 (pl)
EP (1) EP2858809B1 (pl)
JP (1) JP6411335B2 (pl)
KR (1) KR102096839B1 (pl)
CN (1) CN104487230B (pl)
BR (1) BR112014031126B1 (pl)
ES (1) ES2797536T3 (pl)
FR (1) FR2991622A1 (pl)
IN (1) IN2014DN10821A (pl)
PL (1) PL2858809T3 (pl)
WO (1) WO2013186120A1 (pl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016081651A1 (en) 2014-11-18 2016-05-26 Sigma Labs, Inc. Multi-sensor quality inference and control for additive manufacturing processes
CN107921709B (zh) 2015-06-23 2020-08-07 沙特基础工业全球技术有限公司 非晶态聚合物在粉末床熔融方法中改善的可制造性
EP3341184B1 (en) 2015-08-26 2020-09-23 SABIC Global Technologies B.V. Method of producing crystalline polycarbonate powders
US10207489B2 (en) * 2015-09-30 2019-02-19 Sigma Labs, Inc. Systems and methods for additive manufacturing operations
DE102015016131A1 (de) 2015-12-14 2017-06-14 Evonik Degussa Gmbh Polymerzusammensetzung für selektive Sinterverfahren
CN108778686B (zh) * 2016-03-11 2021-11-16 帝斯曼知识产权资产管理有限公司 熔融长丝打印
JP2018024850A (ja) * 2016-07-28 2018-02-15 花王株式会社 三次元造形用可溶性材料
WO2018021243A1 (ja) * 2016-07-28 2018-02-01 花王株式会社 三次元造形用可溶性材料
EP3608349A1 (en) * 2018-08-06 2020-02-12 Rhodia Operations Particulate polyamide composition for powder bed fusion applications and methods for the preparation thereof
FR3128462A1 (fr) * 2021-10-21 2023-04-28 Arkema France Poudre de polymère thermoplastique pour l’impression 3D par frittage

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648450A (en) * 1992-11-23 1997-07-15 Dtm Corporation Sinterable semi-crystalline powder and near-fully dense article formed therein
US5527877A (en) 1992-11-23 1996-06-18 Dtm Corporation Sinterable semi-crystalline powder and near-fully dense article formed therewith
BE1008134A3 (nl) 1994-03-16 1996-01-23 Dsm Nv Bereiding van stervormig vertakte polymeren.
EP0682057A1 (en) 1994-05-09 1995-11-15 Dsm N.V. Process for improvement of the processing characteristics of a polymer composition and polymer compositions obtained therefrom
WO1996035739A1 (en) 1995-05-03 1996-11-14 Dsm N.V. Star-shaped branched polyamide
ES2259345T3 (es) 1995-12-29 2006-10-01 Rhodia Engineering Plastics Srl Poliamida y procedimiento de fabricacion de la misma.
FR2743077B1 (fr) 1995-12-29 1998-02-20 Nyltech Italia Polyamide et un procede de fabrication de celui-ci, et des compositions le contenant
DE19654179A1 (de) 1996-12-23 1998-06-25 Basf Ag H-förmige Polyamide
SE509088C2 (sv) 1997-04-30 1998-12-07 Ralf Larsson Sätt och anordning för framställning av volymkroppar
FR2779730B1 (fr) 1998-06-11 2004-07-16 Nyltech Italia Polyamides a fluidite elevee, son procede de fabrication, compositions comprenant ce copolyamide
WO2001038061A1 (en) 1999-10-26 2001-05-31 University Of Southern California Process of making a three-dimensional object
US6534564B2 (en) * 2000-05-31 2003-03-18 Hoeganaes Corporation Method of making metal-based compacted components and metal-based powder compositions suitable for cold compaction
EP1413594A2 (de) * 2002-10-17 2004-04-28 Degussa AG Laser-Sinter-Pulver mit verbesserten Recyclingeigenschaften, Verfahren zu dessen Herstellung und Verwendung des Laser-Sinter-Pulvers
DE10248406A1 (de) 2002-10-17 2004-04-29 Degussa Ag Laser-Sinter-Pulver mit Titandioxidpartikeln, Verfahren zu dessen Herstellung und Formkörper, hergestellt aus diesem Laser-Sinterpulver
DE10251790A1 (de) * 2002-11-07 2004-05-19 Degussa Ag Polyamidpulver mit dauerhafter, gleichbleibend guter Rieselfähigkeit
EP1459871B1 (de) 2003-03-15 2011-04-06 Evonik Degussa GmbH Verfahren und Vorrichtung zur Herstellung von dreidimensionalen Objekten mittels Mikrowellenstrahlung sowie dadurch hergestellter Formkörper
WO2005023524A2 (en) * 2003-08-29 2005-03-17 Z Corporation Absorbent fillers for three-dimensional printing
PT2159027E (pt) * 2004-05-18 2013-04-26 M & G Polimeri Italia Spa Grânulos de resina compartimentados e processo para tratar termicamente os referidos grânulos
DE102004047876A1 (de) * 2004-10-01 2006-04-06 Degussa Ag Pulver mit verbesserten Recyclingeigenschaften, Verfahren zu dessen Herstellung und Verwendung des Pulvers in einem Verfahren zur Herstellung dreidimensionaler Objekte
US8454866B2 (en) 2004-10-08 2013-06-04 Rhodia Chimie Process for the preparation of particles based on a thermoplastic polymer and powder thus obtained
DE102005002930A1 (de) * 2005-01-21 2006-07-27 Degussa Ag Polymerpulver mit Polyamid, Verwendung in einem formgebenden Verfahren und Formkörper, hergestellt aus diesem Polymerpulver
CA2598840A1 (en) * 2005-03-18 2006-09-21 Cinvention Ag Process for the preparation of porous sintered metal materials
ES2560086T3 (es) * 2005-05-05 2016-02-17 M&G Usa Corporation Pellas compartimentadas de resina para depuración de oxígeno y proceso para tratar térmicamente dichas pellas de resina
FR2899591B1 (fr) 2006-04-10 2008-05-23 Rhodia Recherches & Tech Procede de preparation de particules a base de polymere thermoplastique et poudre ainsi obtenue
FR2939075B1 (fr) 2008-12-01 2010-12-17 Rhodia Operations Realisation d'article par fusion selective de couches de poudre de polymere
JP2010184412A (ja) * 2009-02-12 2010-08-26 Aspect Inc 積層造形用樹脂粉末
EP2368696B2 (de) * 2010-03-25 2018-07-18 EOS GmbH Electro Optical Systems Auffrischoptimiertes PA 12-Pulver zur Verwendung in einem generativen Schichtbauverfahren
CN102337021B (zh) * 2010-07-29 2016-01-06 湖南华曙高科技有限责任公司 一种用于选择性激光烧结的尼龙复合粉末材料
ES2899663T3 (es) 2010-09-27 2022-03-14 Arkema Inc Polvos de polímero tratados térmicamente
FR2968664B1 (fr) 2010-12-10 2014-02-14 Rhodia Operations Realisation d'article par fusion selective de couches de poudre de polymere

Also Published As

Publication number Publication date
US20150152233A1 (en) 2015-06-04
JP6411335B2 (ja) 2018-10-24
WO2013186120A1 (fr) 2013-12-19
BR112014031126A2 (pt) 2017-06-27
EP2858809B1 (fr) 2020-03-11
ES2797536T3 (es) 2020-12-02
BR112014031126B1 (pt) 2021-01-12
EP2858809A1 (fr) 2015-04-15
KR20150023668A (ko) 2015-03-05
CN104487230B (zh) 2018-11-02
US9512285B2 (en) 2016-12-06
JP2015519456A (ja) 2015-07-09
KR102096839B1 (ko) 2020-04-06
IN2014DN10821A (pl) 2015-09-04
CN104487230A (zh) 2015-04-01
FR2991622A1 (fr) 2013-12-13

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