JP2016535172A - 低温塩浴部分熱処理方法 - Google Patents
低温塩浴部分熱処理方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/52—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
- C23C8/54—Carbo-nitriding
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/04—Treatment of selected surface areas, e.g. using masks
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- 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
- C21D1/06—Surface hardening
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- 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
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
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- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/42—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
- C23C8/48—Nitriding
- C23C8/50—Nitriding of ferrous surfaces
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/52—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
- C23C8/54—Carbo-nitriding
- C23C8/56—Carbo-nitriding of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/58—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions more than one element being applied in more than one step
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe
- F16L19/083—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe the longitudinal cross-section of the ring not being modified during clamping
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electroplating Methods And Accessories (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
二次メッキ段階では、一次メッキ段階で生成された第1金属層の上部に第2金属層をメッキする。第1金属層のみでは長期間の熱処理期間中に窒素と炭素などの浸透物に透過する。したがって、第1金属層よりも緻密な構造の第2金属層で二次メッキを施す。第1金属層310と第2金属層410は、構造の緻密な程度が異なるため、均質なメッキが行われ難い。しかし、電気メッキの場合、第1金属層310が薄くメッキされて抵抗の低い部分に第2金属層が厚くメッキされるため、第1金属層310の不十分な部分を第2金属層で補強するという目的には、均質なメッキよりも不均質なメッキがさらに適する。メッキ方法は、電気メッキであってもよいが、表面が万遍なくメッキできればいずれの方法でも構わない。
Claims (10)
- 熱処理によって、クロムを含有した鉄からなる加工物の表面を硬化させる部分熱処理方法において、
前記加工物の表面に銅またはスズで第1金属層をメッキする一次メッキ段階と、
前記第1金属層の表面にニッケルまたはクロムで第2金属層をメッキする二次メッキ段階と、
前記第1金属層及び前記第2金属層の一部分を剥離させて前記加工物の表面の一部を露出させる部分剥離段階と、
所定の時間の間400℃以上500℃以下の熱溶融液に前記加工物を浸漬させて熱処理する熱処理段階と、
前記加工物の表面に残っている前記第1金属層及び前記第2金属層を除去する全体剥離段階とを含んでなることを特徴とする、低温塩浴部分熱処理方法。 - 前記全体剥離段階では塩酸及び硝酸の混合物における浸漬を行うことを特徴とする、請求項1に記載の低温塩浴部分熱処理方法。
- 前記熱処理は浸窒処理であることを特徴とする、請求項1に記載の低温塩浴部分熱処理方法。
- 前記塩溶融液は、窒素化合物、ナトリウム、カリウム及びリチウムを含むことを特徴とする、請求項3に記載の低温塩浴部分熱処理方法。
- 前記熱処理は、窒素及び炭素化合物が溶融した塩に浸漬させる処理であることを特徴とする、請求項1に記載の低温塩浴部分熱処理方法。
- 前記塩溶融液は、窒素及び炭素化合物、ナトリウム、カリウム及びリチウムを含むことを特徴とする、請求項5に記載の低温塩浴部分熱処理方法。
- 前記第1金属層は15μm以上50μm以下の厚さを持つことを特徴とする、請求項1に記載の低温塩浴部分熱処理方法。
- 前記所定の時間は24時間以上48時間以下であることを特徴とする、請求項1に記載の低温塩浴部分熱処理方法。
- 前記加工物は、管を接続するときに管と管との間の隙間を密閉するためのフェルール(Ferrule)であることを特徴とする、請求項1に記載の低温塩浴部分熱処理方法。
- 前記フェルールは、非可逆変形を介して前記管を密閉させるノーズ部分(Nose Portion)を含み、前記ノーズ部分の表面が前記部分剥離段階で露出することを特徴とする、請求項9に記載の低温塩浴部分熱処理方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130125866A KR101429456B1 (ko) | 2013-10-22 | 2013-10-22 | 저온 염욕 부분 열처리 방법 |
KR10-2013-0125866 | 2013-10-22 | ||
PCT/KR2014/008929 WO2015060550A1 (ko) | 2013-10-22 | 2014-09-25 | 저온 염욕 부분 열처리 방법 |
Publications (2)
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JP2016535172A true JP2016535172A (ja) | 2016-11-10 |
JP6224261B2 JP6224261B2 (ja) | 2017-11-01 |
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JP2016550436A Active JP6224261B2 (ja) | 2013-10-22 | 2014-09-25 | 低温塩浴部分熱処理方法 |
Country Status (6)
Country | Link |
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US (1) | US9534284B2 (ja) |
EP (1) | EP3061842A4 (ja) |
JP (1) | JP6224261B2 (ja) |
KR (1) | KR101429456B1 (ja) |
CN (1) | CN105683404A (ja) |
WO (1) | WO2015060550A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018071712A (ja) * | 2016-11-01 | 2018-05-10 | 株式会社フジキン | 食い込み式管継手用リングの製造方法 |
WO2022224873A1 (ja) * | 2021-04-19 | 2022-10-27 | 株式会社フジキン | 継手 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150160416A1 (en) * | 2013-12-10 | 2015-06-11 | Parker-Hannifin Corporation | Multiple layer hardness ferrule |
US10605387B2 (en) | 2013-12-10 | 2020-03-31 | Parker-Hannifin Corporation | Multiple layer hardness ferrule and method |
KR102188802B1 (ko) * | 2018-12-26 | 2020-12-09 | 박준일 | 자동차용 유니버셜 조인트의 요크부 일체형 파이프조인트 제조방법 |
CN109778088A (zh) * | 2019-04-04 | 2019-05-21 | 刘珍 | 一种提高铝合金耐腐蚀性的热处理工艺 |
Citations (3)
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---|---|---|---|---|
US3344817A (en) * | 1965-05-28 | 1967-10-03 | Illinois Tool Works | Method of selectively hardening a corrosion resistant part and the article produced thereby |
JPH08219340A (ja) * | 1995-02-14 | 1996-08-30 | Just Kk | 食い込み継手用フェルールの製造方法 |
JP2002522645A (ja) * | 1998-08-12 | 2002-07-23 | スウエイジロク・カンパニー | 低温の選択的肌焼き工程 |
Family Cites Families (5)
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FR86012E (fr) * | 1963-12-11 | 1965-11-26 | Berliet Automobiles | éléments de frottement résistant particulièrement à l'usure par abrasion |
SE372043B (ja) * | 1972-07-07 | 1974-12-09 | Nordstjernan Rederi Ab | |
AU9016698A (en) * | 1998-08-12 | 2000-03-06 | Swagelok Company | Selective case hardening for metal articles |
US6547888B1 (en) * | 2000-01-28 | 2003-04-15 | Swagelok Company | Modified low temperature case hardening processes |
KR100812971B1 (ko) * | 2006-02-23 | 2008-03-13 | 일진경금속 주식회사 | 금속의 염욕 질화방법 및 그 방법으로 제조된 금속 |
-
2013
- 2013-10-22 KR KR1020130125866A patent/KR101429456B1/ko active IP Right Grant
-
2014
- 2014-09-25 CN CN201480058085.7A patent/CN105683404A/zh active Pending
- 2014-09-25 WO PCT/KR2014/008929 patent/WO2015060550A1/ko active Application Filing
- 2014-09-25 EP EP14855123.7A patent/EP3061842A4/en not_active Withdrawn
- 2014-09-25 JP JP2016550436A patent/JP6224261B2/ja active Active
- 2014-10-17 US US14/517,526 patent/US9534284B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3344817A (en) * | 1965-05-28 | 1967-10-03 | Illinois Tool Works | Method of selectively hardening a corrosion resistant part and the article produced thereby |
JPH08219340A (ja) * | 1995-02-14 | 1996-08-30 | Just Kk | 食い込み継手用フェルールの製造方法 |
JP2002522645A (ja) * | 1998-08-12 | 2002-07-23 | スウエイジロク・カンパニー | 低温の選択的肌焼き工程 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018071712A (ja) * | 2016-11-01 | 2018-05-10 | 株式会社フジキン | 食い込み式管継手用リングの製造方法 |
WO2022224873A1 (ja) * | 2021-04-19 | 2022-10-27 | 株式会社フジキン | 継手 |
Also Published As
Publication number | Publication date |
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WO2015060550A1 (ko) | 2015-04-30 |
KR101429456B1 (ko) | 2014-08-13 |
US20150176113A1 (en) | 2015-06-25 |
JP6224261B2 (ja) | 2017-11-01 |
EP3061842A4 (en) | 2017-05-03 |
EP3061842A1 (en) | 2016-08-31 |
US9534284B2 (en) | 2017-01-03 |
CN105683404A (zh) | 2016-06-15 |
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