EP3027481B1 - Structure en matériaux composites pour châssis de wagon - Google Patents
Structure en matériaux composites pour châssis de wagon Download PDFInfo
- Publication number
- EP3027481B1 EP3027481B1 EP14744560.5A EP14744560A EP3027481B1 EP 3027481 B1 EP3027481 B1 EP 3027481B1 EP 14744560 A EP14744560 A EP 14744560A EP 3027481 B1 EP3027481 B1 EP 3027481B1
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- European Patent Office
- Prior art keywords
- box
- composite material
- lateral
- structure according
- elements
- Prior art date
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- 239000000463 material Substances 0.000 claims description 34
- 230000002787 reinforcement Effects 0.000 claims description 30
- 239000003365 glass fiber Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 12
- 239000004917 carbon fiber Substances 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 12
- 240000007182 Ochroma pyramidale Species 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 10
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- 229910052751 metal Inorganic materials 0.000 description 7
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- 230000006399 behavior Effects 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
Definitions
- the invention relates to the general field of rolling stock structures.
- the invention relates more particularly to a composite beam design for lightening, by using composite materials, the structure of a railway transport vehicle (wagon), rail freight transport.
- the document FR-A-2704507 discloses a composite material structure according to the preamble of claim 1.
- the wagon construction sector seeks to reduce the mass of structures forming the vehicle in order to increase payload and / or reduce transport costs by controlling both the production costs of the vehicles and their energy consumption.
- a first peculiarity to consider is the anisotropic character of the composite materials, the character of which results that their properties, their mechanical properties in particular, are not identical in all directions, because of the presence of the reinforcing fibers composing the material.
- Such a feature requires defining a material architecture adapted to each application.
- the composite materials considered are so-called "structural" composite materials which are materials based on long and continuous fibers which represent approximately 50% of the material, the other approximately 50% being constituted by a matrix, generally made of resin thermosetting, epoxy type (EP), diallylphthalate (DAP), polyester or vinylester for example and, more rarely, thermoplastic resin, polyamide type, PEEK or PEI for example.
- structural composite materials which are materials based on long and continuous fibers which represent approximately 50% of the material, the other approximately 50% being constituted by a matrix, generally made of resin thermosetting, epoxy type (EP), diallylphthalate (DAP), polyester or vinylester for example and, more rarely, thermoplastic resin, polyamide type, PEEK or PEI for example.
- An object of the invention is to provide a particular structure of composite material that can be used to manufacture vehicles such as those mentioned above.
- an object of the invention is to define a wagon platform structure, whose shape characteristics are optimized to allow its manufacture in composite materials.
- the ultimate goal here is to significantly reduce the mass of a wagon structure, while optimizing manufacturing costs for robustness performance equal to or better than the performance of current structures.
- the various elements constituting the beam are made of composite materials reinforced with glass fibers or carbon fibers or a mixture of glass fibers and carbon fibers.
- an intermediate partition of composite material is placed between the upper half-box and the lower half-box, so as to reinforce the rigidity of the median box and the buckling resistance of the side walls of the upper half-box and side walls of the lower half-box.
- the covering floor consists of a plate-shaped main element (61), made of a monolithic composite material with glass fiber reinforcement, comprising in its middle part a reinforcement element (62) of material composite dimensioned to cover the upper face of the median box (314).
- the bottom of the upper half-box, the bottom of the lower half-box and a median reinforcement element of the main element of the skin disposed on the upper face of the structure are made of material monolithic composite with reinforcement consisting mainly of unidirectional fibers, said fibers being preferentially carbon fibers.
- the structure according to the invention further comprises lateral reinforcements made of composite material disposed on either side of the beam and arranged so as to ensure the recovery of the forces applied to the lateral parts of the structure by the load transported.
- Each reinforcement is secured to a lateral box by one of its ends and the median box by its other end.
- the elements forming the beam consist of planar faces of composite material.
- the upper half-box comprises a bottom consisting of a monolithic composite material plate and sandwich structure side walls consisting of two thin skins made of composite material with fiberglass reinforcement and a core constituted by an element made of foam of polymer material, or of a material with a honeycomb structure, or of a balsa-type wood.
- the lower half-box comprises a bottom consisting of a monolithic composite material plate and sandwich-structure side walls consisting of two thin skins made of composite material with fiberglass reinforcement and a core constituted by an element made of foam of polymer material, or of a material with a honeycomb structure, or of a balsa-type wood.
- the lateral reinforcing elements have a sandwich structure consisting of two thin skins made of composite material with fiberglass reinforcement and a core consisting of a foam element made of a polymer material or a structural material. honeycomb, or a balsa type of wood.
- the various elements of the structure according to the invention comprise rims arranged so as to allow the assembly of said elements by bonding and / or bolting and / or riveting, two elements assembled to each other having flanges arranged to be placed vis-à-vis at the time of assembly.
- the schematic figures 1 and 2 are intended to present the basic structure of the frame according to the invention.
- the frame according to the invention mainly comprises an upper plate 11 intended to support the transported load 13, having end reinforcements 111 and 112, and a lower box 12, or reinforcement, located under the central part of the plate 11 intended to give the assembly increased rigidity in the central part, in particular in terms of longitudinal and transverse bending.
- the end reinforcements have for their main function to ensure the recovery of forces imposed on the structure at the hinge axes 113 and 114 of the chassis with the running gear of the vehicle (bogies), and the recovery of the forces experienced by the vehicle, the wagon, at the level of the connecting pieces, shock absorbers or end buffers, etc.
- the various structural elements of the chassis are made of composite materials.
- the structure of each of the elements is furthermore defined in such a way that the parts to be subjected to stresses in the plane are constituted by simple webs of composite material, with a monolithic structure, preferably comprising a reinforcement of longitudinally oriented fibers, while the parts of an element to undergo off-plane stresses, twists for example, have a sandwich structure formed of two skins of composite material separated by a spacer element, a core, made of a filling material, preferably the lightest possible, a foam of polymeric material of PS type, PVC, PU, PET for example, or nida or a low density wood, balsa type for example ...
- the fibers constituting the reinforcement of the composite material used are either glass fibers or carbon fibers, which are either in the U-shaped bend nor irectionnel (UD) either in the form of woven folds (fabrics) that are stacked as much as necessary.
- UD U-shaped bend nor irectionnel
- fabrics woven folds
- the wagon chassis according to the invention consists mainly of a beam 31 which groups together the functionalities of the upper plate 11 and the lower box 12 of the principle structure described above, the beam 31 being covered a cover plate 32.
- the coating 32 is a planar element, relatively thin, made of composite material, the dimensions of which are defined so that it covers the entire surface of the structure (of the frame).
- the skin 32 is constituted by a first planar element 321 made of fiberglass reinforced composite material having a reinforced middle portion on its underside by a second flat element 322 made of composite material with fiberglass reinforcement. also.
- the second element 322 can also be made of carbon fiber reinforced composite material, optionally UD, so as to have in particular a greater mechanical strength (traction / compression and bending in particular). and a lower weight-resistance ratio.
- the beam 31 forming the plate has a central portion 311 and two end zones 312 and 313 on which are articulated the running gear of the vehicle, ie the bogies of the car in the present example.
- the central portion 311 and the two ends 312 and 313 of the beam 31 are constituted by a single element, made of composite material, incorporating reinforcing elements 35, 36 at its ends, as illustrated by the figures 3 and 5 .
- These reinforcing elements, in the form of webs or beams of composite material, are intended in particular to strengthen the area of connection and articulation with the bogies and the transmission of forces applied to the buffers.
- the beam 31 according to the invention consists of a median box 314 and two side boxes 315, 316 located on either side of the median box 314, in the longitudinal direction, and assembled at the median box 314.
- the median box 314 can be made in one piece. Nevertheless, for reasons of ease of embodiment in particular, it is preferably made in two parts, an upper half-box 317 extending over the entire length of the car and a lower half-box 318 which reinforces the half upper box 317 in the central zone 311 of the beam 31.
- the upper half-box forms both the central portion 311 and the reinforced ends 312 and 313 of the beam 31.
- the lower half-box 318 located only in the central part of the wagon has a bottom wall 319 whose function is to reinforce the bending inertia of the assembly.
- this wall 319 is extended, as illustrated by figure 3 beyond the limits of the lower half-casing 318 to the end zones 312 and 313 of the upper half-casing 317, so as to close said upper half-casing and thus participate in the recovery of forces, printed in particular by the axes of articulation of the bogies.
- each half-box in particular that of the lower half box 318, is defined according to the manufacturing choices selected to meet the mechanical stresses that the structure must bear, the weight of the load in particular.
- the side boxes 315 and 316 are, for their part, are continuous elements along the entire length of the wagon. Located on either side of the upper half-box 317, they constitute with it the upper face of the beam 31 on which rests the skin 32. They also contribute to the longitudinal and transverse flexural strength of the frame thus formed and participate in the resumption of efforts to the right of the buffers.
- the central part of the beam 31 is furthermore reinforced laterally by lateral elements 33 and 34 made of composite material, arranged obliquely and which, according to the variant embodiment considered, adorn this central part continuously over its entire length and form 2 lateral reinforcing walls, or, alternatively, constituting localized reinforcements, forming oblique reinforcing bars spaced apart from each other along the central part of the beam 31.
- lateral elements 33 and 34 serve to reinforce the straining forces. transverse flexion and thus limit any torsion of the structure.
- the panel constituting the skin 32 disposed on the upper face of the structure consists of a main planar element 61 covering by its dimensions the entire surface formed by the upper faces of the median box 314 and the side boxes 315 and 316 and a median reinforcing element 62, also plane, disposed facing the upper face of the median box 314.
- the main element 61 may for example be made of fiberglass reinforced composite material, as well as the reinforcing element 62.
- the second element 62 may also be made of carbon fiber reinforced composite material, optionally UD, so as to have a higher mechanical strength (traction / compression and bending in particular) and a lower weight-resistance ratio.
- the upper half-box 317 is formed mainly of a bottom 71 consisting of a monolithic wall of composite material, and two side walls 72 and 73, these walls extending over the entire length of the median box.
- the monolithic bottom 71 may according to the embodiments envisaged consist of two skins (76, 77) made of composite material with fiberglass reinforcement, the reinforcement mainly consisting of UD layers of glass fibers, or alternatively, for reasons mechanical strength in particular and lower weight-resistance ratio, made of composite material with carbon fiber reinforcement.
- the two side walls 72 and 73 have a sandwich structure formed of two skins 76, 77 made of composite material separated by an intermediate element 78, a core made of a filling material, a foam of polymeric material of the same type.
- PS, PVC, PU, PET for example, or a material with a honeycomb structure (nida) or a balsa-type wood for example.
- Their sandwich structure allows the side walls to have a better buckling stability.
- the upper half-casing 317 has a generally parallelepipedal overall shape with an open face, opposite to the face forming the bottom 71.
- the side walls 72 and 73 each have a flange 74 or 75 extending laterally outwardly of the half-box over the entire length thereof, this flange being used to realize assembly of the complete chassis.
- the lower half-box 318 is mainly constituted, as the upper half-box of a bottom 81 and two side walls 82 and 83 which border the central part of the middle box 314. As well as the walls 72 and 73 of the upper half-box, the two side walls 82 and 83 here have a sandwich structure.
- the bottom 81 which extends, as has been said previously, over the entire length of the structure and whose function is to reinforce the bending inertia of the whole structure (of the frame), also has a monolithic structure consisting, according to the embodiments envisaged, of the two skins made of composite material with fiberglass reinforcement, the reinforcement mainly consisting of UD layers made of glass fibers, or alternatively, in particular for reasons of mechanical strength and ratio lower weight-resistance, made of composite material with carbon fiber reinforcement.
- the lower half-box 318 has a trapezoidal-shaped prism shape whose bases represent the side walls 82 and 83 of the half-box.
- the front and rear faces of the half-box are constituted by the bottom 81 which extends obliquely forwards and backwards, beyond the lower half-box 318, so as to come gradually into contact with the upper half-box 317, with its edges 74 and 75, as illustrated by the figure 3 for example.
- the side walls 72 and 73 each have a flange 84 or 85 extending laterally outwardly of the half-box considered over the entire length thereof, this flange being used to achieve the assembly of the frame full.
- the side walls 82 and 83 each have a flange 84 or 85 extending laterally outwardly of the half-box over the entire length thereof.
- the bottom 81 has, on its part extending out of the lower half-box, flat flanges 86 and 87, used to complete the assembly of the complete frame.
- the flanges 86 and 87 are configured and arranged such that they are placed, at the ends of the structure, facing the flanges 74 and 75 of the side walls of the upper half-box 317.
- the flanges 84 and 85 are themselves configured and arranged so that they are placed at the central part of the structure, facing the edges 74 and 75 of the walls.
- This assembly can for example be made by gluing the flanges, or by riveting or bolting, or by a joint collage-plus-riveting assembly of these same edges.
- each box comprises a vertical inner side wall 91 intended to come into contact with one of the side walls of the upper half-box 317 and an oblique outer side wall 92 forming an outer upper edge of the frame.
- the oblique orientation of the outer lateral wall advantageously makes it possible to produce a support without adjustment to assemble the lateral elements 33 and 34.
- the lateral walls of a lateral box are interconnected by a flat bottom 93 parallel to the plane of the bottom 71 of the upper half-box.
- the walls of lateral caissons are constituted, as the side walls of the upper half-boxes 317 and lower 318 of two skins made of composite material, reinforced with glass fibers, separated by a core made of filling, foam of polymeric material, or material honeycomb structure (nida), or wood, such as balsa.
- a filler material may be furthermore integrated in the caissons 315 and 316, a material consisting of either a foam of polymer material, or a honeycomb structure material (nida), or else Balsa type wood for example.
- This material makes it possible to bind the inner skins 91-92-93 of the lateral boxes 315-316 to one another and to the skin placed on the upper face of the plate 32.
- the lateral reinforcement elements of composite material 33 and 34 intended to reinforce the resistance to torsion and bending (longitudinal and transverse) of the frame structure according to the invention are also constituted, as the side walls of the upper half-boxes 317 and lower 318 of two skins in composite material, reinforced with glass fibers, separated by a core consisting either of foam of polymeric material or of a material with a honeycomb structure (nida), or else of balsa type wood for example.
- the body 101 of the reinforcement is extended by flanges 102 and 103 arranged vis-à-vis the body 101 so as to facilitate the assembly of the considered reinforcing element with the outer side wall of the corresponding side box 315 or 316 and with the side wall of the lower half-casing 318.
- This assembly can for example be achieved by bonding the flanges, or by riveting or bolting, or by a joint assembly bond-plus-riveting these same flanges.
- the chassis structure according to the invention has the important advantage of being composed of elements having both a simple morphology and easy to assemble (faces and supports on flat faces), as well as an internal structure that is easy to make. These characteristics advantageously make it easier to assemble such a structure, despite the sometimes large dimensions of the latter.
- the composite material elements forming the structure according to the invention being simple shaped elements having flat faces
- the structure according to the invention can advantageously be constructed in a simple and inexpensive way, the various elements made of composite materials constituting the structure being able to be carried out by simple methods, mainly by draping prepregs and / or dry fibers, associated with a polymerization under vacuum or RTM, or by infusion taking into account the large size of the elements manufactured, such as those implemented in the realization of wind turbine blades for example.
- the assembly of the various composite elements constituting the frame according to the invention is advantageously simple to realize insofar as all the connections take place along supports planes and linear provided for this purpose, the assembly can be achieved using tools not complex, by bonding, or by riveting or bolting, or by a mixed collage-plus-riveting assembly of different elements to each other for example.
- steps 3 and 4 can be switched. Furthermore, according to the embodiments envisaged, steps 1 to 4 may be performed in a different order, 2, 3, 1, 4 or 3, 2, 1, 4 for example.
- the assembly of the upper half-boxes 317 and lower 318 can be achieved by interposing between the two half-boxes, the connection of the edges 74-75 and 84-85, a plateau intermediate, as described above, this plate having the function of reinforcing the rigidity of the assembled beam.
- the composite beam 31 thus produced incorporates at its ends, at the level of the reinforcements, metal elements whose role is notably to interface with the bogies and with the buffers. end.
- the fixing of the metal elements to the composite material structure according to the invention is carried out by appropriate fastening means (bolts and / or rivets), for example by using an appropriate technique of assembly between metal parts and parts made of material composite, as described in FR 2 948 154 owned by the applicant.
- the complete embodiment of a frame according to the invention also comprises an operation of placing and fixing the interface elements on the beam 31, at the ends of the boxes 315, 316 and 317, an operation which according to the manufacturing method adopted can be carried out on the boxes before assembly or during assembly, after step 2 for example.
- this invention can be used on all types of railway vehicles intended for the transport of freight (wagons) or passengers. It can also be used to make chassis of road freight vehicles, truck trailers in particular.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1357688A FR3009262B1 (fr) | 2013-08-02 | 2013-08-02 | Structure en materiaux composites pour chassis de wagon |
PCT/EP2014/066236 WO2015014819A1 (fr) | 2013-08-02 | 2014-07-29 | Structure en matériaux composites pour châssis de wagon |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3027481A1 EP3027481A1 (fr) | 2016-06-08 |
EP3027481B1 true EP3027481B1 (fr) | 2017-09-13 |
Family
ID=49293763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14744560.5A Active EP3027481B1 (fr) | 2013-08-02 | 2014-07-29 | Structure en matériaux composites pour châssis de wagon |
Country Status (9)
Country | Link |
---|---|
US (1) | US20160207547A1 (zh) |
EP (1) | EP3027481B1 (zh) |
JP (1) | JP2016530152A (zh) |
CN (1) | CN105492290A (zh) |
AU (1) | AU2014298544A1 (zh) |
CA (1) | CA2919927A1 (zh) |
FR (1) | FR3009262B1 (zh) |
RU (1) | RU2016107485A (zh) |
WO (1) | WO2015014819A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105584058B (zh) * | 2015-12-16 | 2017-12-19 | 上海晋飞复合材料科技有限公司 | 复合材料制作高铁设备舱底板的工艺 |
JP6535757B2 (ja) * | 2015-12-17 | 2019-06-26 | 株式会社日立製作所 | 枕梁およびそれを備える軌条車両構体 |
DE102017102564A1 (de) * | 2017-02-09 | 2018-08-09 | CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH | Dachsegmente für das Dach eines Wagenkastens |
WO2020023624A1 (en) | 2018-07-24 | 2020-01-30 | Bridgestone Americas, Inc. | Modular structural composites for automotive applications |
RU202959U1 (ru) * | 2020-12-08 | 2021-03-16 | Общество с ограниченной ответственностью "Торгово-Закупочная Компания ОВК" (ООО "ТЗК "ОВК") | Кузов вагона-цистерны |
CN114312887B (zh) * | 2022-01-05 | 2023-08-04 | 中车青岛四方机车车辆股份有限公司 | 一种车体底架及轨道车辆 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3333552A (en) * | 1965-08-18 | 1967-08-01 | Budd Co | Underframe body construction for railway cars |
US4275663A (en) * | 1978-06-14 | 1981-06-30 | E. W. Sivachenko | Corrugated vehicle underframe |
DE3612176A1 (de) * | 1986-04-11 | 1987-10-15 | Messerschmitt Boelkow Blohm | Biegetraeger |
FR2669596A1 (fr) * | 1990-11-28 | 1992-05-29 | Alsthom Gec | Bogie pour vehicule ferroviaire comprenant un chassis en materiau composite. |
FR2704507B1 (fr) * | 1993-04-28 | 1996-06-21 | Gec Alsthom Transport Sa | Caisse de vehicule ferroviaire formee par assemblage modulaire. |
JPH0717398A (ja) * | 1993-06-30 | 1995-01-20 | Hitachi Ltd | 鉄道車両の台枠 |
US5765485A (en) * | 1995-07-21 | 1998-06-16 | Trinity Industries, Inc. | Insulated composite railway boxcar and method |
US6000342A (en) * | 1996-07-19 | 1999-12-14 | Trn Business Trust | Railway car underframe for an insulated composite boxcar |
US5762003A (en) * | 1997-02-24 | 1998-06-09 | Buckeye Steel Castings Company | Railroad hopper car underframe transition casting |
JP2001055139A (ja) * | 1999-08-18 | 2001-02-27 | Nippon Sharyo Seizo Kaisha Ltd | 鉄道車両の台枠構造 |
CN1733539A (zh) * | 2004-08-11 | 2006-02-15 | 龙巧林 | 车辆底架装置 |
US8479661B2 (en) * | 2007-11-16 | 2013-07-09 | National Steel Car Limited | Railroad car center sill structure |
CN103118920B (zh) * | 2010-09-20 | 2016-05-11 | 庞巴迪运输有限公司 | 用于轨道车辆的车厢及其制造方法 |
KR101184329B1 (ko) * | 2011-08-10 | 2012-09-19 | 한국철도기술연구원 | 볼트 체결력을 이용한 복합소재 대차프레임의 치수공차 최소화 장치 |
JP2013071469A (ja) * | 2011-09-26 | 2013-04-22 | Hitachi Ltd | 鉄道車両構体およびその製作方法 |
JP5931548B2 (ja) * | 2012-04-02 | 2016-06-08 | 川崎重工業株式会社 | 鉄道車両 |
-
2013
- 2013-08-02 FR FR1357688A patent/FR3009262B1/fr active Active
-
2014
- 2014-07-29 WO PCT/EP2014/066236 patent/WO2015014819A1/fr active Application Filing
- 2014-07-29 CA CA2919927A patent/CA2919927A1/fr not_active Abandoned
- 2014-07-29 RU RU2016107485A patent/RU2016107485A/ru not_active Application Discontinuation
- 2014-07-29 JP JP2016530485A patent/JP2016530152A/ja active Pending
- 2014-07-29 AU AU2014298544A patent/AU2014298544A1/en not_active Abandoned
- 2014-07-29 CN CN201480048444.0A patent/CN105492290A/zh active Pending
- 2014-07-29 EP EP14744560.5A patent/EP3027481B1/fr active Active
- 2014-07-29 US US14/908,853 patent/US20160207547A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
JP2016530152A (ja) | 2016-09-29 |
WO2015014819A1 (fr) | 2015-02-05 |
RU2016107485A (ru) | 2017-09-07 |
FR3009262B1 (fr) | 2015-09-18 |
CA2919927A1 (fr) | 2015-02-05 |
AU2014298544A1 (en) | 2016-03-17 |
FR3009262A1 (fr) | 2015-02-06 |
CN105492290A (zh) | 2016-04-13 |
US20160207547A1 (en) | 2016-07-21 |
RU2016107485A3 (zh) | 2018-04-28 |
EP3027481A1 (fr) | 2016-06-08 |
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