CN103597556A - 新型复合铁基粉末组合物、粉末部件及其制造方法 - Google Patents

新型复合铁基粉末组合物、粉末部件及其制造方法 Download PDF

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Publication number
CN103597556A
CN103597556A CN201280028066.0A CN201280028066A CN103597556A CN 103597556 A CN103597556 A CN 103597556A CN 201280028066 A CN201280028066 A CN 201280028066A CN 103597556 A CN103597556 A CN 103597556A
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China
Prior art keywords
iron
layer
weight
powder
compound
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Pending
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CN201280028066.0A
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English (en)
Chinese (zh)
Inventor
叶舟
H·斯塔凡松
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Hoganas AB
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Hoganas AB
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Priority to CN201910168878.9A priority Critical patent/CN110085386A/zh
Publication of CN103597556A publication Critical patent/CN103597556A/zh
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Compounds Of Iron (AREA)
CN201280028066.0A 2011-04-07 2012-04-05 新型复合铁基粉末组合物、粉末部件及其制造方法 Pending CN103597556A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910168878.9A CN110085386A (zh) 2011-04-07 2012-04-05 新型复合铁基粉末组合物、粉末部件及其制造方法

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP20110161536 EP2509081A1 (en) 2011-04-07 2011-04-07 New composition and method
EP11161536.5 2011-04-07
US201161474468P 2011-04-12 2011-04-12
US61/474,468 2011-04-12
PCT/EP2012/056269 WO2012136758A2 (en) 2011-04-07 2012-04-05 New composition and method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201910168878.9A Division CN110085386A (zh) 2011-04-07 2012-04-05 新型复合铁基粉末组合物、粉末部件及其制造方法

Publications (1)

Publication Number Publication Date
CN103597556A true CN103597556A (zh) 2014-02-19

Family

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Family Applications (2)

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CN201280028066.0A Pending CN103597556A (zh) 2011-04-07 2012-04-05 新型复合铁基粉末组合物、粉末部件及其制造方法
CN201910168878.9A Pending CN110085386A (zh) 2011-04-07 2012-04-05 新型复合铁基粉末组合物、粉末部件及其制造方法

Family Applications After (1)

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Country Status (12)

Country Link
US (1) US20140049354A1 (ja)
EP (2) EP2509081A1 (ja)
JP (3) JP2014515880A (ja)
KR (1) KR101884214B1 (ja)
CN (2) CN103597556A (ja)
BR (1) BR112013025814A2 (ja)
CA (1) CA2832005C (ja)
ES (1) ES2693646T3 (ja)
PL (1) PL2695171T3 (ja)
RU (1) RU2631246C2 (ja)
TW (1) TWI606471B (ja)
WO (1) WO2012136758A2 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104923792A (zh) * 2015-07-07 2015-09-23 北京科汇粉末冶金厂 电磁零件及其制备方法
CN106920621A (zh) * 2017-04-16 2017-07-04 广州蓝磁新材料科技有限公司 一种可自钝化绝缘的铁硅铝软磁合金粉体的制备方法
CN107527701A (zh) * 2016-06-15 2017-12-29 Tdk株式会社 软磁性金属粉末、软磁性金属烧结体及线圈型电子部件
CN108367347A (zh) * 2015-09-29 2018-08-03 霍加纳斯股份有限公司 新型铁基复合粉末
CN108698124A (zh) * 2016-02-01 2018-10-23 霍加纳斯股份有限公司 新组合物和方法
CN112166479A (zh) * 2018-05-30 2021-01-01 霍加纳斯股份有限公司 铁磁粉末组合物

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6229166B2 (ja) * 2012-03-22 2017-11-15 パナソニックＩｐマネジメント株式会社 インダクタ用複合磁性材料とその製造方法
GB2504733B (en) * 2012-08-08 2015-05-20 Reckitt & Colman Overseas Device for evaporating a volatile material
GB2504732B (en) * 2012-08-08 2015-01-14 Reckitt & Colman Overseas Device for evaporating a volatile material
GB2504730B (en) * 2012-08-08 2015-01-14 Reckitt & Colman Overseas Device for evaporating a volatile fluid
GB2504731B (en) * 2012-08-08 2015-03-25 Reckitt & Colman Overseas Device for evaporating a volatile fluid
CN104425093B (zh) * 2013-08-20 2017-05-03 东睦新材料集团股份有限公司 一种铁基软磁复合材料及其制备方法
US20160322139A1 (en) * 2013-12-20 2016-11-03 Höganäs Ab (Publ) Soft magnetic composite powder and component
US20160311019A1 (en) * 2013-12-20 2016-10-27 Höganäs Ab (Publ) Soft magnetic powder mix
JP6437200B2 (ja) * 2014-01-17 2018-12-12 株式会社タムラ製作所 低騒音リアクトル、圧粉磁心およびその製造方法
CN105161245B (zh) * 2015-08-07 2018-05-25 广东省材料与加工研究所 一种多尺度结构复合磁粉芯及其制备方法
CA2997367C (en) 2015-09-04 2023-10-03 Scoperta, Inc. Chromium free and low-chromium wear resistant alloys
TWI738711B (zh) * 2017-02-02 2021-09-11 瑞典商好根那公司 新穎組合物及方法
JP7148891B2 (ja) * 2018-10-12 2022-10-06 大同特殊鋼株式会社 圧粉磁心及びその製造方法
US11939646B2 (en) 2018-10-26 2024-03-26 Oerlikon Metco (Us) Inc. Corrosion and wear resistant nickel based alloys
WO2020180242A1 (en) * 2019-03-07 2020-09-10 Agency For Science, Technology And Research A composite and a method of preparing the same
DE102020130987A1 (de) * 2020-01-24 2021-07-29 Schaeffler Technologies AG & Co. KG Verfahren zur Herstellung eines Bauteils eines Elektromotors, Elektromotorbauteil und Elektromotor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1818596A (en) * 1930-09-13 1931-08-11 Western Electric Co Electromagnetic device
US4177089A (en) * 1976-04-27 1979-12-04 The Arnold Engineering Company Magnetic particles and compacts thereof
JP2003124016A (ja) * 2001-10-18 2003-04-25 Daido Steel Co Ltd ノイズ対策部品用磁性体材料およびその製造方法
US20030230362A1 (en) * 2002-03-20 2003-12-18 Kabushiki Kaisha Toyota Chuo Kenkyusho Insulation film, powder for magnetic core and powder magnetic core and processes for producing the same
US6903641B2 (en) * 2001-01-19 2005-06-07 Kabushiki Kaisha Toyota Chuo Kenkyusho Dust core and method for producing the same
CN101118797A (zh) * 2006-08-04 2008-02-06 安泰科技股份有限公司 磁粉芯用复合粉末、磁粉芯及它们的制备方法
WO2009116938A1 (en) * 2008-03-20 2009-09-24 Höganäs Ab (Publ) Ferromagnetic powder composition and method for its production

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189198A (en) 1975-02-03 1976-08-04 Atsupuntetsushinno jiseikojohoho
DE3439397A1 (de) 1984-10-27 1986-04-30 Vacuumschmelze Gmbh, 6450 Hanau Verfahren zur pulvermetallurgischen herstellung eines weichmagnetischen koerpers
JP2654944B2 (ja) * 1987-01-16 1997-09-17 株式会社トーキン 複合圧粉磁心材料とその製造方法
US5063011A (en) 1989-06-12 1991-11-05 Hoeganaes Corporation Doubly-coated iron particles
RU2040810C1 (ru) * 1992-08-27 1995-07-25 Галина Анатольевна Дорогина Способ получения магнито-мягкого материала
US5595609A (en) 1993-04-09 1997-01-21 General Motors Corporation Annealed polymer-bonded soft magnetic body
US5756162A (en) * 1995-08-31 1998-05-26 Samsung Electro-Mechanics Co., Ltd. Method for manufacturing sendust core powder
KR100454855B1 (ko) 1996-02-23 2004-12-16 회가내스 아베 인코팅된철분말및그의제조방법
US5982073A (en) 1997-12-16 1999-11-09 Materials Innovation, Inc. Low core loss, well-bonded soft magnetic parts
US6372348B1 (en) 1998-11-23 2002-04-16 Hoeganaes Corporation Annealable insulated metal-based powder particles
SE0000454D0 (sv) 2000-02-11 2000-02-11 Hoeganaes Ab Iron powder and method for the preparaton thereof
JP2001307914A (ja) * 2000-04-20 2001-11-02 Daido Steel Co Ltd 圧粉磁心用磁性粉末、それを用いた圧粉磁心、およびその圧粉磁心の製造方法
JP2002170707A (ja) 2000-12-04 2002-06-14 Daido Steel Co Ltd 高い電気抵抗をもつ圧粉磁心とその製造方法
DE20122873U1 (de) 2001-03-03 2008-10-30 Robert Bosch Gmbh Metallpulver-Verbundwerkstoff und Ausgangsmaterial
CA2378417C (en) 2001-03-27 2009-11-24 Kawasaki Steel Corporation Ferromagnetic-metal-based powder, powder core using the same, and manufacturing method for ferromagnetic-metal-based powder
KR100441062B1 (ko) * 2001-08-07 2004-07-19 주식회사 디씨엔 Ｆｅ-Ｓｉ 연자성 포트코아, 그 제조방법 및 이를 이용한 리액터
JP2003197416A (ja) * 2001-12-26 2003-07-11 Daido Steel Co Ltd 圧粉磁心の製造方法、その方法で製造された圧粉磁心
SE0203851D0 (sv) * 2002-12-23 2002-12-23 Hoeganaes Ab Iron-Based Powder
JP5062946B2 (ja) * 2004-06-17 2012-10-31 株式会社豊田中央研究所 磁心用粉末および圧粉磁心並びにそれらの製造方法
DE102004041650B4 (de) * 2004-08-27 2006-10-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetorheologische Materialien mit hohem Schaltfaktor und deren Verwendung
JP4801734B2 (ja) * 2005-06-15 2011-10-26 ホガナス アクチボラゲット 電磁軟質複合体材料
US8048191B2 (en) * 2005-12-28 2011-11-01 Advanced Technology & Material Co., Ltd. Compound magnetic powder and magnetic powder cores, and methods for making them thereof
JP4044591B1 (ja) * 2006-09-11 2008-02-06 株式会社神戸製鋼所 圧粉磁心用鉄基軟磁性粉末およびその製造方法ならびに圧粉磁心
EP2147445B1 (en) 2006-12-07 2017-05-31 Höganäs AB Soft magnetic powder
DE112009000919T5 (de) * 2008-04-15 2011-03-03 Toho Zinc Co., Ltd Verfahren zum Herstellen eines magnetischen Verbundmaterials und magnetisches Verbundmaterial
WO2009136854A1 (en) * 2008-05-09 2009-11-12 Höganäs Ab (Publ) Method for improving the magnetic properties of a compacted and heat treated soft magnetic composite component
WO2010073590A1 (ja) * 2008-12-25 2010-07-01 三菱マテリアル株式会社 複合軟磁性材料とその製造方法
JPWO2010084812A1 (ja) * 2009-01-22 2012-07-19 住友電気工業株式会社 冶金用粉末の製造方法、圧粉磁心の製造方法、圧粉磁心およびコイル部品
CA2773441C (en) * 2009-09-18 2018-02-06 Hoeganaes Ab (Publ) Ferromagnetic powder composition and method for its production
KR101926100B1 (ko) * 2010-12-23 2018-12-06 회가내스 아베 (피유비엘) 연자성 분말

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1818596A (en) * 1930-09-13 1931-08-11 Western Electric Co Electromagnetic device
US4177089A (en) * 1976-04-27 1979-12-04 The Arnold Engineering Company Magnetic particles and compacts thereof
US6903641B2 (en) * 2001-01-19 2005-06-07 Kabushiki Kaisha Toyota Chuo Kenkyusho Dust core and method for producing the same
JP2003124016A (ja) * 2001-10-18 2003-04-25 Daido Steel Co Ltd ノイズ対策部品用磁性体材料およびその製造方法
US20030230362A1 (en) * 2002-03-20 2003-12-18 Kabushiki Kaisha Toyota Chuo Kenkyusho Insulation film, powder for magnetic core and powder magnetic core and processes for producing the same
CN101118797A (zh) * 2006-08-04 2008-02-06 安泰科技股份有限公司 磁粉芯用复合粉末、磁粉芯及它们的制备方法
WO2009116938A1 (en) * 2008-03-20 2009-09-24 Höganäs Ab (Publ) Ferromagnetic powder composition and method for its production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
日本工业炉协会编: "《工业炉手册》", 30 April 1989 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104923792A (zh) * 2015-07-07 2015-09-23 北京科汇粉末冶金厂 电磁零件及其制备方法
CN108367347A (zh) * 2015-09-29 2018-08-03 霍加纳斯股份有限公司 新型铁基复合粉末
CN108367347B (zh) * 2015-09-29 2021-02-26 霍加纳斯股份有限公司 新型铁基复合粉末
CN108698124A (zh) * 2016-02-01 2018-10-23 霍加纳斯股份有限公司 新组合物和方法
CN107527701A (zh) * 2016-06-15 2017-12-29 Tdk株式会社 软磁性金属粉末、软磁性金属烧结体及线圈型电子部件
CN106920621A (zh) * 2017-04-16 2017-07-04 广州蓝磁新材料科技有限公司 一种可自钝化绝缘的铁硅铝软磁合金粉体的制备方法
CN112166479A (zh) * 2018-05-30 2021-01-01 霍加纳斯股份有限公司 铁磁粉末组合物

Also Published As

Publication number Publication date
EP2695171B1 (en) 2018-08-01
TW201303915A (zh) 2013-01-16
CA2832005A1 (en) 2012-10-11
JP6480966B2 (ja) 2019-03-13
BR112013025814A2 (pt) 2018-05-02
KR20140034185A (ko) 2014-03-19
TWI606471B (zh) 2017-11-21
KR101884214B1 (ko) 2018-08-30
EP2509081A1 (en) 2012-10-10
US20140049354A1 (en) 2014-02-20
WO2012136758A3 (en) 2012-11-29
CA2832005C (en) 2019-11-26
WO2012136758A2 (en) 2012-10-11
EP2695171A2 (en) 2014-02-12
PL2695171T3 (pl) 2019-01-31
RU2013149408A (ru) 2015-05-20
ES2693646T3 (es) 2018-12-13
CN110085386A (zh) 2019-08-02
RU2631246C2 (ru) 2017-09-20
JP2017143259A (ja) 2017-08-17
JP2014515880A (ja) 2014-07-03
JP2019134166A (ja) 2019-08-08

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