JP6474885B2 - 積層造形されるロータリー切削ユニット用アンビル - Google Patents
積層造形されるロータリー切削ユニット用アンビル Download PDFInfo
- Publication number
- JP6474885B2 JP6474885B2 JP2017503547A JP2017503547A JP6474885B2 JP 6474885 B2 JP6474885 B2 JP 6474885B2 JP 2017503547 A JP2017503547 A JP 2017503547A JP 2017503547 A JP2017503547 A JP 2017503547A JP 6474885 B2 JP6474885 B2 JP 6474885B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- powder material
- coating layer
- anvil
- wear resistant
- 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 - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims description 54
- 239000000843 powder Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 31
- 239000011247 coating layer Substances 0.000 claims description 17
- 229910001315 Tool steel Inorganic materials 0.000 claims description 11
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 6
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005056 compaction Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 210000002381 plasma Anatomy 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001263 D-2 tool steel Inorganic materials 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/20—Cutting beds
- B26D7/204—Anvil rollers
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- 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
- B33Y80/00—Products made by additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/4545—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a powdery material
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Forests & Forestry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Powder Metallurgy (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laser Beam Processing (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Description
Claims (17)
- ロータリー切削ユニット用のアンビルの製造方法であって、
外表面を有するシャフトを提供する工程、及び
前記外表面の少なくとも一部に耐摩耗粉末材料を適用する工程、
耐摩耗粉末材料を溶解させ、かつ圧密化して、前記外表面の少なくとも一部に適用される少なくとも一つの被覆層とする工程
を含み、被覆層が、前記外表面の少なくとも一部上に融合する、方法。 - シャフトが、低炭素鋼、中炭素鋼及び工具鋼からなる群より選択される材料から作製される、請求項1に記載の方法。
- シャフトに複数のアパーチャを機械加工してその重量を低減する工程をさらに含む、請求項1又は2に記載の方法。
- 耐摩耗粉末材料が、工具鋼粉末、高速度鋼粉末及び超硬合金粉末の群より選択される、請求項1から3のいずれか一項に記載の方法。
- 耐摩耗粉末材料を溶解させ、かつ圧密化する工程が、レーザービームを適用して耐摩耗粉末材料を溶解させ、かつ圧密化することを含む、請求項1から4のいずれか一項に記載の方法。
- 耐摩耗粉末材料が粉末の混合物である、請求項1から5のいずれか一項に記載の方法。
- 耐摩耗粉末材料が、予合金化粉末材料のワイヤであり、溶解させ、かつ圧密化する工程が、アークを供給して予合金化粉末材料を溶解させ、予合金化粉末材料を圧密化して少なくとも一つの被覆層とすることを含む、請求項1から4のいずれか一項に記載の方法。
- 少なくとも一つの被覆層が0.5から15mmの厚みを有する、請求項1から7のいずれか一項に記載の方法。
- 少なくとも二つの被覆層を互いに連続して重ね合わせる、請求項1から8のいずれか一項に記載の方法。
- 少なくとも一つの被覆層が、その中に機械加工された少なくとも一つの溝を含む、請求項1から9のいずれか一項に記載の方法。
- 少なくとも一つの被覆層を、シャフトの外表面全体の上に配置する、請求項1から10のいずれか一項に記載の方法。
- 少なくとも一つの被覆層を、シャフトの複数の作業部分の上に配置する、請求項1から11のいずれか一項に記載の方法。
- 少なくとも一つの被覆層を形成した後でシャフトを加熱する工程をさらに含む、請求項1から12のいずれか一項に記載の方法。
- シャフトの外表面上の少なくとも一つの被覆層を機械加工する工程をさらに含む、請求項1から13のいずれか一項に記載の方法。
- 耐摩耗粉末材料が55から70HRCの硬度を有する、請求項1から14のいずれか一項に記載の方法。
- 少なくとも一つの被覆層がシャフトの外表面と接触している、請求項1から15のいずれか一項に記載の方法。
- 請求項1から15のいずれか一項に記載の方法により作製されたアンビルを備えるロータリー切削ユニットの製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2014/001697 WO2016012827A1 (en) | 2014-07-22 | 2014-07-22 | Additive layer manufactured anvil for rotary cutting unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017529455A JP2017529455A (ja) | 2017-10-05 |
JP6474885B2 true JP6474885B2 (ja) | 2019-02-27 |
Family
ID=52101351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017503547A Expired - Fee Related JP6474885B2 (ja) | 2014-07-22 | 2014-07-22 | 積層造形されるロータリー切削ユニット用アンビル |
Country Status (9)
Country | Link |
---|---|
US (1) | US20170151611A1 (ja) |
EP (1) | EP3172351B1 (ja) |
JP (1) | JP6474885B2 (ja) |
CN (1) | CN106574355A (ja) |
BR (1) | BR112017001103A2 (ja) |
ES (1) | ES2732157T3 (ja) |
MX (1) | MX2017000845A (ja) |
PL (1) | PL3172351T3 (ja) |
WO (1) | WO2016012827A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7029623B2 (ja) * | 2017-06-15 | 2022-03-04 | 住友電工焼結合金株式会社 | 造形物の製造方法、及び造形物 |
EP3666446A1 (en) * | 2018-12-10 | 2020-06-17 | The Procter & Gamble Company | Method for making an industrial tool, such as an anvil roll |
US11826805B2 (en) | 2019-03-01 | 2023-11-28 | Bhaven Chakravarti | Systems and methods for production of metallurgically bonded clad billet and products thereof, and metallurgically bonded clad billet |
US11826804B2 (en) | 2019-03-01 | 2023-11-28 | Bhaven Chakravarti | Systems and methods for production of metallurgically bonded clad billet and products thereof, and metallurgically bonded clad billet |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4289055A (en) * | 1980-01-07 | 1981-09-15 | Von Schriltz Don F | Rotary die anvil |
JPH10130748A (ja) * | 1996-10-31 | 1998-05-19 | Daido Steel Co Ltd | 耐食・耐摩耗性に優れた合金の製造方法および合金製造用材料 |
US5855149A (en) * | 1996-11-18 | 1999-01-05 | National Research Council Of Canada | Process for producing a cutting die |
JPH1177586A (ja) * | 1997-09-04 | 1999-03-23 | Mitsubishi Heavy Ind Ltd | ロータリカットオフ装置 |
JP2000118867A (ja) * | 1998-10-14 | 2000-04-25 | Sumitomo Electric Ind Ltd | 線材の高速巻取装置および高速巻取方法 |
US7007580B2 (en) * | 2002-04-11 | 2006-03-07 | Goss International Americas, Inc. | Apparatus for removably securing a cutting component |
DE102004042492A1 (de) * | 2004-08-31 | 2006-03-09 | WINKLER + DüNNEBIER AG | Verfahren und Vorrichtung zur Herstellung einer Schneid- oder Prägewalze mittels Laserauftragsschweißen |
EP1797212A4 (en) * | 2004-09-16 | 2012-04-04 | Vladimir Belashchenko | DEPOSIT SYSTEM, METHODS AND MATERIALS FOR COMPOSITE COATINGS |
US7323072B2 (en) * | 2005-04-27 | 2008-01-29 | Kimberly-Clark Worldwide, Inc. | Multi-roll bonding and aperturing |
US20080085368A1 (en) * | 2006-10-10 | 2008-04-10 | Gauthier Ben M | Method and Apparatus for Coating a Substrate |
US20080093350A1 (en) * | 2006-10-18 | 2008-04-24 | Inframat Corporation | Superfine/nanostructured cored wires for thermal spray applications and methods of making |
JP5743415B2 (ja) * | 2009-07-29 | 2015-07-01 | 京セラ株式会社 | 溶融金属めっき用ロール |
JP5292588B2 (ja) * | 2011-03-18 | 2013-09-18 | トーカロ株式会社 | 高温用途材被覆用サーメット溶射粉末材料およびその製造方法 |
US8863627B2 (en) * | 2011-03-18 | 2014-10-21 | The Procter & Gamble Company | Anvil roll system and method |
SE536116C2 (sv) * | 2011-04-08 | 2013-05-14 | Sandvik Intellectual Property | Roterande skärande apparatur med vibrationsdämpningsmedel |
DE202011108659U1 (de) * | 2011-12-06 | 2012-01-18 | ACHENBACH BUSCHHüTTEN GMBH | Messeranordnung |
-
2014
- 2014-07-22 US US15/327,311 patent/US20170151611A1/en not_active Abandoned
- 2014-07-22 PL PL14812287T patent/PL3172351T3/pl unknown
- 2014-07-22 MX MX2017000845A patent/MX2017000845A/es unknown
- 2014-07-22 EP EP14812287.2A patent/EP3172351B1/en not_active Not-in-force
- 2014-07-22 CN CN201480080763.XA patent/CN106574355A/zh active Pending
- 2014-07-22 ES ES14812287T patent/ES2732157T3/es active Active
- 2014-07-22 WO PCT/IB2014/001697 patent/WO2016012827A1/en active Application Filing
- 2014-07-22 BR BR112017001103A patent/BR112017001103A2/pt not_active Application Discontinuation
- 2014-07-22 JP JP2017503547A patent/JP6474885B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
MX2017000845A (es) | 2017-05-04 |
PL3172351T3 (pl) | 2019-09-30 |
EP3172351A1 (en) | 2017-05-31 |
ES2732157T3 (es) | 2019-11-20 |
US20170151611A1 (en) | 2017-06-01 |
WO2016012827A1 (en) | 2016-01-28 |
JP2017529455A (ja) | 2017-10-05 |
BR112017001103A2 (pt) | 2017-11-14 |
EP3172351B1 (en) | 2019-04-10 |
CN106574355A (zh) | 2017-04-19 |
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