EP2048549A2 - Gong, in particular for a timepiece movement - Google Patents

Gong, in particular for a timepiece movement Download PDF

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Publication number
EP2048549A2
EP2048549A2 EP08015893A EP08015893A EP2048549A2 EP 2048549 A2 EP2048549 A2 EP 2048549A2 EP 08015893 A EP08015893 A EP 08015893A EP 08015893 A EP08015893 A EP 08015893A EP 2048549 A2 EP2048549 A2 EP 2048549A2
Authority
EP
European Patent Office
Prior art keywords
vibrating member
parts
stamp
stamp according
section
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.)
Granted
Application number
EP08015893A
Other languages
German (de)
French (fr)
Other versions
EP2048549A3 (en
EP2048549B1 (en
Inventor
Vincent Chritin
Eric Van Lancker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Richemont International SA
Original Assignee
Richemont International SA
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
Application filed by Richemont International SA filed Critical Richemont International SA
Publication of EP2048549A2 publication Critical patent/EP2048549A2/en
Publication of EP2048549A3 publication Critical patent/EP2048549A3/en
Application granted granted Critical
Publication of EP2048549B1 publication Critical patent/EP2048549B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/08—Sounding bodies; Whistles; Musical apparatus
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12—Reiterating watches or clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/028—Sounding bodies; boxes used as sounding cases; fixation on or in the case

Definitions

  • the present invention relates to a stamp, including a timbre for a watch movement comprising a striking mechanism such as a minute-repeater, a small or large ring or an alarm clock.
  • the invention relates to a stamp of small or large bell type cathedral stamp favoring bass sounds.
  • cathedral stamps comprise a vibrating member of generally circular section, one end is embedded in a heel.
  • the vibrating member is wound on itself in a spiral-shaped curve often having more than one turn, usually two turns.
  • stamps comprise a vibrating member making more than one turn on itself, no radial space is free to accommodate the hammers or exciting the stamp which complicates the construction and further increases the volume of the room watchmaking.
  • the object of the present invention is to provide a stamp for a clock movement of the cathedral stamp type which obviates the abovementioned drawbacks and which makes it possible to obtain a better acoustic quality than said existing cathedral stamps.
  • the patch is a vibrating member elongate along a longitudinal axis and having a first part and a second part connected to each other. the other at a turning point.
  • This cusp point makes a turn of substantially 180 ° (for example between 170 ° -190 °) in the longitudinal axis of the vibrating member, the first and second parts being at least substantially in the same plane.
  • the first and second portions are also at least substantially parallel to each other.
  • the Figures 1 and 2 represent two particularly interesting and advantageous embodiments.
  • the first embodiment of the stamp illustrated in figure 1 comprises a vibrating member having a longitudinal axis comprising two circular parts.
  • the member comprises a first embedding end 1, a first portion 2 extending along an arc of a circle of an extent preferably between 270 ° and 330 °.
  • This first portion 2 is extended by a second portion 3 of the vibrating member and connected thereto by a cusp 4.
  • this second portion 3 of the vibrating member extends over a circular arc of the order of 180 ° to 330 °, is located in the same plane as the first part 2 of the vibrating member but on a smaller diameter than this first part 2.
  • This second part 3 of the vibrating member ends with a free end 5.
  • This arrangement of the vibrating member of the patch makes it possible to reduce the bulk in thickness or height of the patch, the two parts 2, 3 of the vibrating member being (at least substantially) concentric and coplanar and no longer superposed, as in FIG. prior art.
  • this arrangement makes the vibrating member does not extend over a complete circumference but leaves an area 6 between the heel 7 in which is embedded the first end 1 of the vibrating member and the cusp 4 where the two parts 2.3 of the vibrating member meet, which gives a free space to accommodate the excitation mechanism, usually a hammer, the stamp.
  • the second embodiment of the stamp illustrated in figure 2 differs from the first illustrated in the figure 1 in that the second part 3 of the vibrating member is disposed outside the first part 2 of the vibrating member.
  • the vibrating member 2,3 of the stamp may be embedded in the heel 7 or come from a workpiece with this heel 7.
  • the vibrating member 2,3 may have a circular or polygonal cross section and this cross section may be of constant or variable size along the first portion 2 and / or the second portion 3 of the vibrating member.
  • the second part 3 comprises an end section which includes the free end 5, and the dimension of the cross section of the patch increases along this end section by going in the direction of the free end 5.
  • the vibrating member could comprise a third portion secured by a second cusp of the end of the second portion 3 of the vibrating member.
  • This third part would also be disposed substantially in the same plane as the first two parts 2, 3 and more preferably it would extend at least substantially parallel to the second part 3 inside or outside thereof.
  • a fourth part of the vibrating member can be provided, so that this vibrating member can have a great length which may be necessary in some cases while keeping the originality and qualities of this stamp, that is to say ie its small thickness and a vibrating member not extending over a complete circumference thus facilitating its integration into a timepiece and reducing its bulk.
  • the stamp according to the invention favors the bass sounds but in addition the richness of the sound obtained is greater.
  • the stamp according to the invention thus has advantages over known cathedral timbres both mechanically and acoustically.
  • the vibrating member could have a longitudinal axis comprising a plurality of rectilinear portions 2,3 connected to each other by cusp points.
  • the heel 7 comes in one piece with the vibrating member 2, 3 or in which this vibrating member is embedded by its first end serves to fix the stamp on an element of the timepiece.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

The gong has a vibrating unit provided with an end (1) built-in a lug (7), a free end (5), and two parts (2, 3) that are connected by an intersection point (4), where the intersection point that turns around 180 degree in a longitudinal axis of the gong. The parts are provided in same plane and parallel to each other, where the parts are rectilinear and circular-arc shaped and the radii and lengths of the parts are different. A polygonal or circular cross-section of the gong, has a dimension that is variable along one of the parts.

Description

La présente invention a pour objet un timbre, notamment un timbre pour mouvement d'horlogerie comprenant un mécanisme de sonnerie tel qu'une répétition-minute, une petite ou grande sonnerie ou un réveil.The present invention relates to a stamp, including a timbre for a watch movement comprising a striking mechanism such as a minute-repeater, a small or large ring or an alarm clock.

Plus particulièrement l'invention a pour objet un timbre de petite ou grande sonnerie du type timbre cathédrale privilégiant les sons graves. Actuellement de tels timbres cathédrale comportent un organe vibrant de section généralement circulaire dont une extrémité est encastrée dans un talon. L'organe vibrant est enroulé sur lui-même suivant une courbe en forme de spirale comportant souvent plus d'une spire, généralement deux spires.More particularly the invention relates to a stamp of small or large bell type cathedral stamp favoring bass sounds. Currently such cathedral stamps comprise a vibrating member of generally circular section, one end is embedded in a heel. The vibrating member is wound on itself in a spiral-shaped curve often having more than one turn, usually two turns.

Ces timbres dits cathédrale à plusieurs spires, sont très encombrants en hauteur puisque les spires superposées ne doivent jamais se toucher. Ceci est très gênant particulièrement du fait que généralement ces timbres sont utilisés dans des grandes sonneries nécessitant deux ou plusieurs de ces timbres.These stamps called cathedral with several turns, are very bulky in height since the superimposed turns must never touch. This is very troublesome especially since these stamps are typically used in large ringtones that require two or more of these stamps.

De plus, comme ces timbres comportent un organe vibrant faisant plus d'un tour sur lui-même, aucun espace radial n'est libre pour loger le ou les marteaux excitant le timbre ce qui complique la construction et augmente encore le volume de la pièce d'horlogerie.In addition, since these stamps comprise a vibrating member making more than one turn on itself, no radial space is free to accommodate the hammers or exciting the stamp which complicates the construction and further increases the volume of the room watchmaking.

La présente invention a pour but la réalisation d'un timbre pour mouvement d'horlogerie du type timbre cathédrale qui obvie aux inconvénients précités et qui permette d'obtenir une meilleure qualité acoustique que lesdits timbres cathédrale existants.The object of the present invention is to provide a stamp for a clock movement of the cathedral stamp type which obviates the abovementioned drawbacks and which makes it possible to obtain a better acoustic quality than said existing cathedral stamps.

Le dessin annexé illustre schématiquement et à titre d'exemple deux formes d'exécution du timbre pour mouvement d'horlogerie selon l'invention.

  • La figure 1 illustre une première forme d'exécution du timbre.
  • La figure 2 illustre une seconde forme d'exécution du timbre.
The attached drawing illustrates schematically and by way of example two embodiments of the stamp for a watch movement according to the invention.
  • The figure 1 illustrates a first embodiment of the stamp.
  • The figure 2 illustrates a second embodiment of the stamp.

Selon l'invention, le timbre est un organe vibrant allongé suivant un axe longitudinal et comportant une première partie et une seconde partie liées l'une à l'autre à un point de rebroussement. Ce point de rebroussement effectue un tournant de sensiblement 180° (par exemple entre 170° -190°) dans l'axe longitudinal de l'organe vibrant, les première et seconde parties étant au moins sensiblement dans le même plan. De préférence, les première et seconde parties sont également au moins sensiblement parallèles l'une à l'autre.According to the invention, the patch is a vibrating member elongate along a longitudinal axis and having a first part and a second part connected to each other. the other at a turning point. This cusp point makes a turn of substantially 180 ° (for example between 170 ° -190 °) in the longitudinal axis of the vibrating member, the first and second parts being at least substantially in the same plane. Preferably, the first and second portions are also at least substantially parallel to each other.

Les figures 1 et 2 représentent deux formes d'exécution particulièrement intéressantes et avantageuses. La première forme d'exécution du timbre illustrée à la figure 1 comporte un organe vibrant ayant un axe longitudinal comprenant deux parties circulaires. L'organe comporte une première extrémité d'encastrement 1, une première partie 2 s'étendant suivant un arc de cercle d'une étendue comprise de préférence entre 270° et 330°. Cette première partie 2 est prolongée par une seconde partie 3 de l'organe vibrant et reliée à celle-ci par un point de rebroussement 4. De préférence, cette seconde partie 3 de l'organe vibrant s'étend sur un arc de cercle de l'ordre de 180° à 330°, est situé dans le même plan que la première partie 2 de l'organe vibrant mais sur un diamètre plus faible que cette première partie 2. Cette seconde partie 3 de l'organe vibrant se termine par une extrémité libre 5.The Figures 1 and 2 represent two particularly interesting and advantageous embodiments. The first embodiment of the stamp illustrated in figure 1 comprises a vibrating member having a longitudinal axis comprising two circular parts. The member comprises a first embedding end 1, a first portion 2 extending along an arc of a circle of an extent preferably between 270 ° and 330 °. This first portion 2 is extended by a second portion 3 of the vibrating member and connected thereto by a cusp 4. Preferably, this second portion 3 of the vibrating member extends over a circular arc of the order of 180 ° to 330 °, is located in the same plane as the first part 2 of the vibrating member but on a smaller diameter than this first part 2. This second part 3 of the vibrating member ends with a free end 5.

Cette disposition de l'organe vibrant du timbre permet de réduire l'encombrement en épaisseur ou hauteur du timbre, les deux parties 2,3 de l'organe vibrant étant (au moins sensiblement) concentrique et coplanaire et non plus superposées comme dans l'art antérieur. En outre, cette disposition fait que l'organe vibrant ne s'étend pas sur une circonférence complète mais laisse une zone 6 entre le talon 7 dans lequel est encastrée la première extrémité 1 de l'organe vibrant et le point de rebroussement 4 où les deux parties 2,3 de l'organe vibrant se rejoignent, ce qui donne un espace libre permettant de loger le mécanisme d'excitation, généralement un marteau, du timbre.This arrangement of the vibrating member of the patch makes it possible to reduce the bulk in thickness or height of the patch, the two parts 2, 3 of the vibrating member being (at least substantially) concentric and coplanar and no longer superposed, as in FIG. prior art. In addition, this arrangement makes the vibrating member does not extend over a complete circumference but leaves an area 6 between the heel 7 in which is embedded the first end 1 of the vibrating member and the cusp 4 where the two parts 2.3 of the vibrating member meet, which gives a free space to accommodate the excitation mechanism, usually a hammer, the stamp.

La seconde forme d'exécution du timbre illustrée à la figure 2 se différencie par rapport à la première illustrée à la figure 1 en ce que la seconde partie 3 de l'organe vibrant est disposée à l'extérieur de la première partie 2 de l'organe vibrant.The second embodiment of the stamp illustrated in figure 2 differs from the first illustrated in the figure 1 in that the second part 3 of the vibrating member is disposed outside the first part 2 of the vibrating member.

L'organe vibrant 2,3 du timbre peut être encastré dans le talon 7 ou venir d'une pièce de fabrication avec ce talon 7.The vibrating member 2,3 of the stamp may be embedded in the heel 7 or come from a workpiece with this heel 7.

L'organe vibrant 2,3 peut présenter une section droite circulaire ou polygonale et cette section droite peut être de grandeur constante ou variable le long de la première partie 2 et/ou de la seconde partie 3 de l'organe vibrant. Selon une variante particulièrement avantageuse (non illustrée), la seconde partie 3 comprend une section terminale qui inclut l'extrémité libre 5, et la dimension de la section droite du timbre s'accroit le long de cette section terminale en allant dans la direction de l'extrémité libre 5.The vibrating member 2,3 may have a circular or polygonal cross section and this cross section may be of constant or variable size along the first portion 2 and / or the second portion 3 of the vibrating member. According to a particularly advantageous variant (not shown), the second part 3 comprises an end section which includes the free end 5, and the dimension of the cross section of the patch increases along this end section by going in the direction of the free end 5.

Dans des variantes d'exécution (non illustrées), l'organe vibrant pourrait comporter une troisième partie solidaire par un second point de rebroussement de l'extrémité de la seconde partie 3 de l'organe vibrant. Cette troisième partie serait également disposée sensiblement dans le même plan que les deux premières parties 2,3 et encore de préférence elle s'étendrait au moins sensiblement parallèlement à la seconde partie 3 à l'intérieur ou à l'extérieur de celle-ci. Similairement une quatrième partie de l'organe vibrant peut être prévue, de sorte que cet organe vibrant peut présenter une grande longueur ce qui peut s'avérer nécessaire dans certain cas tout en gardant les originalités et qualités de ce timbre, c'est-à-dire sa faible épaisseur et un organe vibrant ne s'étendant pas sur une circonférence complète facilitant ainsi son intégration dans une pièce d'horlogerie et réduisant son encombrement.In alternative embodiments (not shown), the vibrating member could comprise a third portion secured by a second cusp of the end of the second portion 3 of the vibrating member. This third part would also be disposed substantially in the same plane as the first two parts 2, 3 and more preferably it would extend at least substantially parallel to the second part 3 inside or outside thereof. Similarly a fourth part of the vibrating member can be provided, so that this vibrating member can have a great length which may be necessary in some cases while keeping the originality and qualities of this stamp, that is to say ie its small thickness and a vibrating member not extending over a complete circumference thus facilitating its integration into a timepiece and reducing its bulk.

Sur le plan acoustique, le timbre selon l'invention favorise les sons graves mais en plus la richesse du son obtenu est plus grande. En effet, avec le point de rebroussement 4 induisant un effet miroir, on utilise les effets d'addition des fréquences de vibration utiles et harmonieuses dans le domaine utile, audible du timbre, soit par effet d'addition constructive pour les constructions symétriques (parties 2, 3 de l'organe vibrant) , soit par effet d'addition non cohérente (doublement des composantes) pour les constructions non symétriques (parties 2, 3 de l'organe vibrant), soit par effet de battement (modulation d'amplitude basse fréquence) pour les solutions pseudo-symétriques (parties 2, 3 de l'organe vibrant), soit par effet d'entretien résonant (ou de relèvement) des composantes de fréquence basse.Acoustically, the stamp according to the invention favors the bass sounds but in addition the richness of the sound obtained is greater. Indeed, with the cusp 4 inducing a mirror effect, we use the effects of addition of useful and harmonious vibration frequencies in the useful range, audible of the timbre, either by constructive addition effect for the symmetrical constructions (parts 2, 3 of the vibrating organ), or by non-coherent addition effect (doubling of the components) for unsymmetrical constructions (parts 2, 3 of the vibrating member), or by flapping effect (low frequency amplitude modulation) for the pseudo-symmetric solutions (parts 2, 3 of the organ vibrating), or by resonant maintenance effect (or raising) of the low frequency components.

Le timbre selon l'invention présente donc des avantages par rapport aux timbres cathédraux connus tant sur le plan mécanique que sur le plan acoustique.The stamp according to the invention thus has advantages over known cathedral timbres both mechanically and acoustically.

Dans d'autres variantes du timbre selon l'invention l'organe vibrant pourrait avoir un axe longitudinal comprenant plusieurs parties 2,3 rectilignes reliées les unes aux autres par des points de rebroussement.In other variants of the stamp according to the invention the vibrating member could have a longitudinal axis comprising a plurality of rectilinear portions 2,3 connected to each other by cusp points.

Le talon 7 venu d'une pièce avec l'organe vibrant 2,3 ou dans lequel cet organe vibrant est encastré par sa première extrémité sert à fixer le timbre sur un élément de la pièce d'horlogerie.The heel 7 comes in one piece with the vibrating member 2, 3 or in which this vibrating member is embedded by its first end serves to fix the stamp on an element of the timepiece.

Claims (8)

Timbre pour mouvement d'horlogerie comprenant un mécanisme de sonnerie dont le timbre est un organe vibrant allongé suivant un axe longitudinal, le timbre présentant une première extrémité (1) encastrable dans un talon et une seconde extrémité libre (5), caractérisé par le fait que l'organe vibrant comporte au moins deux parties (2,3) reliées par un point de rebroussement (4), ce point de rebroussement effectuant un tournant de sensiblement 180° dans l'axe longitudinal de cet organe vibrant, et les première et seconde parties étant au moins sensiblement dans le même plan.Timepiece for a watch movement comprising a striking mechanism whose tone is a vibrating member elongated along a longitudinal axis, the patch having a first end (1) embedded in a heel and a second free end (5), characterized in that that the vibrating member comprises at least two parts (2,3) connected by a cusp (4), this cusp turning point of substantially 180 ° in the longitudinal axis of this vibrating member, and the first and second portions being at least substantially in the same plane. Timbre selon la revendication 1, caractérisé par le fait que les première et seconde parties (2, 3) s'étendent au moins sensiblement parallèlement l'une à l'autre.Stamp according to claim 1, characterized in that the first and second parts (2, 3) extend at least substantially parallel to each other. Timbre selon la revendication 1 ou 2, caractérisé par le fait que l'organe vibrant (2,3) est venu d'une seule pièce de fabrication avec le talon (7) de fixation du timbre sur un élément de la pièce d'horlogerie.Stamp according to claim 1 or 2, characterized in that the vibrating member (2,3) has come from a single piece of manufacture with the heel (7) for fixing the stamp on an element of the timepiece . Timbre selon l'une des revendications 1, 2 ou 3, caractérisé par le fait que les parties (2,3) de l'organe vibrant sont rectilignes et parallèles les unes aux autres.Stamp according to one of claims 1, 2 or 3, characterized in that the parts (2,3) of the vibrating member are rectilinear and parallel to each other. Timbre selon l'une des revendications 1, 2 ou 3, caractérisé par le fait que chaque partie (2,3) de l'organe vibrant présente la forme d'un arc de cercle et par le fait que les rayons de chacune de ces parties (2,3) de l'organe vibrant sont différents.Stamp according to one of claims 1, 2 or 3, characterized in that each portion (2,3) of the vibrating member has the shape of a circular arc and the fact that the rays of each of these parts (2,3) of the vibrating member are different. Timbre selon l'une des revendications précédentes caractérisé par le fait que les longueurs de chacune des parties (2,3) de l'organe vibrant sont différentes.Stamp according to one of the preceding claims, characterized in that the lengths of each of the parts (2,3) of the vibrating member are different. Timbre selon l'une des revendications précédentes, caractérisé par le fait que l'organe vibrant présente une section droite circulaire ou polygonale et par le fait que la grandeur de cette section droite est variable le long d'au moins une des parties (2,3) de l'organe vibrant.Stamp according to one of the preceding claims, characterized in that the vibrating member has a circular or polygonal cross-section and in that the magnitude of this cross-section is variable along at least one of the parts (2, 3) of the vibrating organ. Timbre selon la revendication 7, caractérisé par le fait que la seconde partie (3) comprend une section terminale qui inclut l'extrémité libre (5), et que la dimension de la section droite du timbre s'accroit le long de cette section terminale en allant dans la direction de l'extrémité libre (5).Stamp according to claim 7, characterized in that the second part (3) comprises an end section which includes the free end (5), and that the dimension of the cross section of the patch increases along this end section going in the direction of the free end (5).
EP08015893.4A 2007-10-09 2008-09-10 Gong for a timepiece movement Active EP2048549B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH15632007 2007-10-09

Publications (3)

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EP2048549A2 true EP2048549A2 (en) 2009-04-15
EP2048549A3 EP2048549A3 (en) 2016-11-09
EP2048549B1 EP2048549B1 (en) 2018-02-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702145A1 (en) * 2009-11-03 2011-05-13 Montres Breguet Sa Gong for ringing device of watch e.g. mechanical wrist watch, has middle part whose two sections present transversal sections of different surfaces, where transversal sections of two sections are in identical form

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH28544A (en) * 1903-07-01 1904-05-31 Ali Ramseyer Louis Gong spring for striking timepieces
EP1760549B1 (en) * 2005-09-01 2014-04-23 Montres Journe SA Gong for a striking mechanism in a timepiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702145A1 (en) * 2009-11-03 2011-05-13 Montres Breguet Sa Gong for ringing device of watch e.g. mechanical wrist watch, has middle part whose two sections present transversal sections of different surfaces, where transversal sections of two sections are in identical form

Also Published As

Publication number Publication date
EP2048549A3 (en) 2016-11-09
EP2048549B1 (en) 2018-02-21

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