EP2412910A2 - Procédé de fabrication d'un élément en verre isolant feuilleté - Google Patents

Procédé de fabrication d'un élément en verre isolant feuilleté Download PDF

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Publication number
EP2412910A2
EP2412910A2 EP11175389A EP11175389A EP2412910A2 EP 2412910 A2 EP2412910 A2 EP 2412910A2 EP 11175389 A EP11175389 A EP 11175389A EP 11175389 A EP11175389 A EP 11175389A EP 2412910 A2 EP2412910 A2 EP 2412910A2
Authority
EP
European Patent Office
Prior art keywords
plastic film
individual glass
glass elements
gas
insulating glass
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.)
Withdrawn
Application number
EP11175389A
Other languages
German (de)
English (en)
Other versions
EP2412910A3 (fr
Inventor
Joahnn Peter Mattischek
Martin Peer
Manuel Mayrhofer
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.)
IFN Holding AG
Original Assignee
IFN Holding AG
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 IFN Holding AG filed Critical IFN Holding AG
Publication of EP2412910A2 publication Critical patent/EP2412910A2/fr
Publication of EP2412910A3 publication Critical patent/EP2412910A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light

Definitions

  • Multi-pane insulating glass elements are today standard in building construction for reasons of building insulation. In the simplest form they are designed as a double-pane insulating glass. In order to achieve an even better thermal insulation, they can be filled with a gas which has a lower thermal conductivity than air or are already known multi-pane insulating glass elements with more than two glass panes, for example three. Since the central glass pane normally has no static function but merely the function of separating the space between the outer glass panes in order to prevent direct heat conduction or heat convection from the front to the rear glass pane, multi-pane insulating glass elements have also been proposed which the middle glass pane is replaced by a plastic film. In addition, this plastic film may also be coated or tinted to reduce the passage of light through the insulating glass element.
  • this describes DE 30 43 973 A1 a process for producing a multi-pane insulating glass unit, consisting of two by a pair of circumferential spacers spaced apart and sealed against each other glass sheets and a formed between the spacers stretched plastic film, wherein the spaces between the discs and the plastic film are in communication with each other.
  • a heat-shrinkable film is used, and after assembly, the insulating glass unit is heated with hot air, so that the film shrinks and becomes taut and wrinkle-free.
  • This object of the invention is each independently achieved in that in the aforementioned method, the plastic film is thermally stressed by radiant heat or with a heat transfer medium formed by water or the filling gas. It can thus be reduced, the time for the thermal stretching, as done by this type of heat input, the heating of the plastic film very quickly. By shortening the time in which the plastic film is exposed to the elevated temperature, also their thermal load can be reduced.
  • the thermal stress is already carried out in the gas filling device, so that the multi-pane insulating glass element essentially already completely leaves the gas filling device and thus no additional handling expenditure for the movement of the multi-pane insulating glass element provided with the plastic film is required in another station of the production line for the production of multi-pane insulating glass elements.
  • substantially it is meant that a sealing station for sealing the edge bond can be provided after the gas filling device.
  • the radiant heat is generated by means of infrared radiation. It is advantageous that it is possible to align the heat on the plastic film so that heating of the individual glass element is at least largely avoided if the glasses used a very high permeability Have infrared radiation. On the other hand, it is also possible by simply increasing the power of the infrared radiator to perform the thermal stress of plastic films in multi-pane insulating glass elements, in which the glasses by a corresponding equipment, as known from the prior art for reducing the heat input, a poor IR Impermeability.
  • the plastic film can be heated between two metal plates. Due to the high thermal conductivity of metals, a rapid heating of the plastic film is thus also achievable. In addition, it is thus also possible to use the plate elements of a gas filling device for heating the plastic film, whereby the expenditure on equipment of the production line for producing a multi-pane insulating glass element can be reduced.
  • the multi-pane insulating glass element is arranged between the metal plates, so that in each case at least one glass element is located during the thermal tensioning between the plastic film and the metal plates.
  • the plastic film is biased by a tensile stress, which is exerted by means of the spacers by the closing movement on the plastic film.
  • spacers are used, which can be connected to each other according to the tongue and groove principle, or according to a variant embodiment, a spacer is used which has a spring element which exerts a pressure on the plastic film.
  • the plastic film is clamped and fixed between the spacers, so that no additional measures for tensioning the plastic film are required. It can thus be simplified, the clamping device and the cycle time for the production of the multi-pane insulating glass element can be further reduced.
  • the plastic film in the gas filling device is introduced into the intermediate space between the individual glass elements.
  • the incorporation of the plastic film in the gas filling device which is normally present in a production line of a Mehrscheiebn insulating glass production, the integration of the supply of the plastic film is improved in the insulating glass production, whereby cycle times for producing such multi-pane insulating glass elements can be shortened.
  • this ensures that the edge bond must have no openings for the gas filling of the gap between the glass elements, which on the one hand no subsequent closure of these openings must be done, which ebenfallls the cycle times can be reduced, and on the other hand so that the gas-tightness of the multi-pane insulating glass element can be improved can.
  • the plastic film is biased in the gas filling device.
  • the compactness of the production line is on the one hand increases, in particular, reduces the investment required for the window producers, also can a large part of manufacturing be performed in a station of the production line, whereby the handling effort during production can be reduced.
  • a subsequent contamination of the plastic film can be avoided because the multi-pane insulating glass element is still closed under the "clean room conditions" of the gas atmosphere of the filling gas and then an intervention in the space between the individual glass elements of the multi-pane insulating glass element is no longer required.
  • Fig. 1 is a multi-pane insulating glass element 1 shown cut in side view.
  • this multi-pane insulating glass element 1 consists of a first single glass element 2, a second single glass element 3, which is spaced apart to form a gap 4 to the first single glass element 2, a plastic film 5, which is arranged in the intermediate space 4 and this in two smaller Divided spaces, namely a front space which faces the individual glass element 2, and a rear gap, which faces the individual glass element 3, and an edge seal 6, which is formed between the two individual glass elements 2, 3 along a circumference 7 of the multi-pane insulating glass element 1 and a spacer 8, which may optionally have a cavity, wherein the cavity is optionally filled with a molecular sieve 9, and which is connected via a primary sealing element 10 with the two glass elements 2, 3, wherein an additional sealing element 11 at the back of the spacer 8 may be arranged for sealing the gap between the two individual glass elements 2, 3 along the circumference.
  • the primary sealing element 10 may for example be formed from a butyl rubber, the sealing element 11, for example by a silicone or a polyurethane.
  • the spacer 8 may be made of metal or a thermoplastic or thermosetting plastic.
  • the spacer 8 is formed entirely by a thermoplastic material and thus at the same time can also form the primary sealing element 10, it also being possible for a molecular sieve and / or a metal reinforcement to be contained in this thermoplastic polymer.
  • the spacer 8 is divided in the present embodiment into two part spacers 12, 13, wherein the plastic film 5 is clamped between the two part spacers 12, 13 and thus held by them.
  • each also an adhesive strip or an adhesive layer may be arranged to additionally glue the plastic film 5 with the part spacers 12, 13.
  • the plastic film 5 can be made uncoated or coated, for example with a reflective layer, so as to reflect a higher proportion of incident light.
  • a reflective layer so as to reflect a higher proportion of incident light.
  • Fig. 1 only a three-layer variant is shown with the two individual glass elements 2, 3 and the plastic film 5 between them, of course, there is the possibility that more than one plastic film 5, for example, two, three, four, etc. are arranged in the space 4, in which case the spacer 8 may optionally be divided into more than two part spacers 12, 13. In addition, there is also the possibility that more than two individual glass elements 2, 3 are arranged, for example three or four.
  • the thermal conductivity of the multi-pane insulating glass element 1 is to be reduced. Accordingly, a gas is used which is heavier than air, as their mobility is reduced by the heavier gas molecules and thus the thermal conductivity and the heat transfer through the multi-pane insulating glass element 1 is reduced.
  • Useful gases are, for example, argon, krypton or xenon, as known in the art.
  • the gap 4 is at least partially filled with this gas.
  • at least partially is meant that a complete filling of the gap 4 with the gas different from air normally does not occur in the insulating glass production due to the long filling times, but a degree of filling of the gap 4 with the gas at least 90% of the available Of course, however, there is the possibility of complete, that is 100% filling of the gap 4 with the gas different from air.
  • Fig. 2 shows an example of a production line 14 in the form of a block diagram for producing the multi-pane insulating glass element 1 according to Fig. 1 as known in principle from the prior art.
  • This comprises, in the following order, a washing station 15, in which the individual glass elements 2, 3 are washed before assembly of the multi-pane insulating glass element 1, optionally an inspection device 16, for particular optical quality control of the individual glass elements 2, 3, an application device 17, in which the part spacers 12, 13 are arranged on the individual glass elements 2, 3, a gas filling press 18, for filling the gap 4 of the multi-pane insulating glass element 1 with the air different gas, a clamping device 19 for tensioning the plastic film 5, as well as a sealing device 20 for completion, ie sealing, the edge seal 6 of the multi-pane insulating glass element first
  • the inspection device 16 may also be arranged in front of the washing station 15, but in this case there is a risk that errors are detected that are attributable only to contamination of the individual glass elements 2, 3, so that the inspection device is preferably arranged after the washing station 15 ,
  • the plastic film 5 is fed into the gas filling press 18, for which purpose a corresponding feeding device, for example a roller, from which the plastic film 5 can be unwound, can be arranged in or in the region of the gas filling press.
  • a corresponding feeding device for example a roller, from which the plastic film 5 can be unwound
  • a separate feeding device 21 is arranged for the plastic film 5 in the production line 14.
  • the two individual glass elements 2, 3 are positioned according to each other, then the Gasbeglallpresse 18 preferably closed gas-tight and the plastic film 5 in the space 4 between the two individual glass elements 2, 3, wherein the plastic film 5 also before closing the Gasbehellpresse 18th can be supplied, and then filled the gap 4 with the gas. Finally, the two individual glass elements 2, 3 are spent so far relative to each other that the plastic film 5 is clamped between the two part spacers 12, 13 and is formed by pressing the edge seal 6 of the multi-pane insulating glass element 1. In the event that the plastic film 5 is fed in front of the gas filling press 18, there is the possibility that the edge seal 6 is already formed before the gas filling.
  • the gas filling press 18 does not therefore have to be designed as a press in the actual sense in this embodiment.
  • To fill the gas of the already closed gap 4 between the individual glass elements 2, 3 may be formed in this embodiment in the part spacer 12, 13 filling, as well as more openings for the escape of air from the gap 4 in the part spacers 12, 13 may be arranged In this case, these openings must be closed later.
  • only one filling opening can be arranged if a flow connection is formed between the two partial interstices of the multi-pane insulating glass element 1.
  • tensioning device 19 and / or the sealing device 20 are part of the gas filling press, so that in a preferred embodiment the multi-pane insulating glass element 1 leaves the gas filling press at least approximately finished.
  • the sealing device 20 is arranged in the production line 1 in front of the clamping device 19.
  • the tensioning device 19 is designed for thermal tensioning of the plastic film 5, wherein the necessary temperature for the thermal tensioning by radiant heat and / or by means of a heat transfer medium in the form of the filling gas, i. the gas with which the multi-pane insulating glass element 1 is filled, and / or water, wherein the water can be used as a water bath or as water vapor.
  • the radiant heat is provided by infrared emitters or by means of two hot-Ben metal plates.
  • the temperature to be used depends on the plastic used for the plastic film, which is preferably used stretched bidirectionally, so that the plastic film 5 contracts as a result of heating and thus tensioning wrinkle-free.
  • any film suitable for this purpose can be used.
  • This plastic film 5 may have a film thickness in the range between 13 .mu.m and 150 .mu.m, for example 35 .mu.m or 50 .mu.m.
  • one or more infrared radiators may be arranged, wherein these are preferably designed as surface radiators and in particular have a radiation-emitting surface that the entire surface the plastic film is covered by it.
  • these or the infrared radiator are disposed within the gas filling press 18.
  • spot beams in which case multiple spot radiators are used to act on the entire surface of the plastic film 5.
  • spotlights is not necessarily meant that the infrared radiation emitting surface is punctiform, but that in comparison to a surface radiator, only a small, in particular circular area of the plastic film 5 can thus be acted upon with radiation.
  • the one or more infrared radiators can be designed to emit radiation having a wavelength or a wavelength range of 0.4 microns to 4 microns, which corresponds to a color temperature between 2600 ° C to 900 ° C.
  • ceramic radiation bodies or halogen lamps are preferred.
  • the advantage in the use of infrared emitters is also to be seen in that it is possible to irradiate short-wave radiation, wherein glasses for this short-wave radiation are at least partially permeable. By absorbing the radiation on the inner surface of the glasses and subsequent heat radiation, the short-wave radiation produces a long-wave radiation for which the glasses are only very poorly permeable, ie the heat essentially remains in the interior of the multi-pane insulating glass element during thermal stressing. It can thus be improved so that the effectiveness of the thermal stress of the plastic film.
  • This embodiment of the thermal tensioning device is better integrated into the production line 1 compared to the prior art, even if it forms its own processing station within the production line.
  • the infrared emitters with respect to the temperature and the depth of penetration - the infrared emitters radiate from outside the individual glass elements 2, 3 on the plastic film 5 - in the multi-pane insulating glass element 1 adjustable, depending on whether infrared emitters are used for Emission of infrared A and / or B and / or C radiation are suitable (IR-A: 780 nm - 1400 nm, IR-B: 1400 nm - 3000 nm, IR-C: over 3000 nm). This is important inasmuch as the intermediate space 4 of the multi-pane insulating glass element 1 is filled with a gas which should have a poorer compared to air heat transfer.
  • plastic film 5 which has been treated with an IR absorber to aid in thermal stressing.
  • the embodiment variant with at least one metal plate as heat radiation-emitting element is better einbindbar in the production line 1, since it is possible, for example, at least one of the plate elements of the gas filling press 18, of which the individual glass elements 2, 3 are held to perform at least partially heatable, especially in Area of the system of the individual glass elements 2, 3.
  • a two-sided irradiation of the plastic film with thermal radiation is in turn made possible, so that therefore the front and the rear press plate element can be made heatable.
  • the heating itself is preferably carried out by means of electrical elements.
  • the or plate element (s) may have a thermal insulation in the outward direction to minimize the power dissipation in the area around the gas filling press 18 or to reduce the risk of injury.
  • the or the plate element (s) may also be designed with multiple layers, with a "heating layer” in the area on the multi-pane insulating glass element 1 and at least one layer with in comparison poorer thermal conductivity.
  • the "heating layer” itself does not necessarily have to be metallic, but can also be designed, for example, in the form of a heating foil, a heating lacquer or a ceramic layer, in which case a combination with the embodiment described above is also possible by virtue of this heating layer being used to deliver Infrared radiation is formed.
  • metal plates optionally in combination with the or the infrared Anlagenstrahlem also has the advantage that the metal plates act as a heat storage, so that the film is already biased upon entry of the semi-finished product for producing the multi-pane insulating glass element 1 in the gas filling, so that Gas filling itself can be done easier because the "bulging" of the film due to an uneven gas pressure on the front and the back of the plastic film 5 can be at least approximately avoided.
  • the metal plate (s) may be spaced apart from the individual glass elements 2, 3 or formed on them during the thermal tensioning of the plastic film 5 adjacent to this or can be applied.
  • the fluid does not come into indirect contact with the plastic film 5, as described above, but directly.
  • water is used as the fluid due to the correspondingly high heat transfer, wherein the water can be used in the form of a water bath, so that, for example, the multi-pane insulating glass element 1 is immersed in a water bath after leaving the gas filling press 18, this additionally the Has the advantage that at the same time a leak test of the edge bond 6 can be performed.
  • the water bath but also a very uniform loading of the multi-pane insulating glass element 1 with the elevated temperature is possible without a temperature profile on the individual glass elements 2, 3 is formed with very high temperature differences.
  • the water can also be used in the form of water vapor, for example, to transfer higher amounts of heat or to allow a higher temperature.
  • the separate clamping device 19 is preferably used for this purpose in the production line 14, although the arrangement of steam outlet nozzles in the gas filling press 18 is also possible.
  • the filling gas itself is used as the fluid, for which purpose a corresponding heating device for heating the filling gas can be provided on or in the gas filling press 18 or in the region of the gas supply.
  • a corresponding heating device for heating the filling gas can be provided on or in the gas filling press 18 or in the region of the gas supply.
  • the plastic film 5 should already be fixed with the part spacers 12, 13 between the individual glass elements 2, 3, since the thermal tensioning of the plastic film 5 with the filling of the gap 4 of the multi-pane insulating glass element 1 takes place.
  • the multi-pane insulating glass element 1 is filled in a first step with a cold and only slightly heated filling gas, and only in a subsequent step, the admission of the heated filling gas for thermal tensioning of the plastic film 5 takes place.
  • the plastic film 5 is mechanically biased.
  • the part spacers 12, 13 may be formed in the form of a tongue and groove configuration, so that the plastic film 5 by compressing the two individual glass elements 2, 3 with the part spacers 12, 13 arranged thereon by the spring of a part spacer 12 is pressed into the groove of the second part of the spacer 13 and thus clamped.
  • one of the part spacers 12, 13 can have a spring element, for example in the form of a leaf spring, that comes to bear against the plastic film 5 as a result of the closing movement of the gas filling press 18, whereby these are in turn pressed in between the two part spacers 12, 13 can.
  • the plastic film 5 facing surface of the spring element is roughened or provided with "barbs" to hold the plastic film 5 better.
  • the spring element By the spring element, a pressure is exerted on the plastic film 5 in the region of the part spacers 12, 13 after joining the two individual glass elements 2, 3.
  • the spring element in the closed position of the multi-pane insulating glass element 1 over the plastic film 5 on a surface of the second part spacer 12, 13 abut.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)
EP11175389.3A 2010-07-27 2011-07-26 Procédé de fabrication d'un élément en verre isolant feuilleté Withdrawn EP2412910A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT12532010A AT510188B1 (de) 2010-07-27 2010-07-27 Verfahren zur herstellung eines mehrscheiben-isolierglaselementes

Publications (2)

Publication Number Publication Date
EP2412910A2 true EP2412910A2 (fr) 2012-02-01
EP2412910A3 EP2412910A3 (fr) 2016-07-06

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EP11175389.3A Withdrawn EP2412910A3 (fr) 2010-07-27 2011-07-26 Procédé de fabrication d'un élément en verre isolant feuilleté

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EP (1) EP2412910A3 (fr)
AT (1) AT510188B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012110101A1 (fr) * 2011-02-18 2012-08-23 Southwall Technologies Inc. Procédé et dispositif servant à tendre une membrane et procédé de fabrication d'un élément à plusieurs vitres

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2313278A1 (de) 1972-03-16 1973-09-27 Du Pont Fertigungsgegenstand mit einer solarenergie reflektierenden folie und verfahren zu seiner herstellung
DE2850749A1 (de) 1978-11-17 1980-05-22 Sulzer Ag Isolationselement zum einsatz zwischen den scheiben eines verbundfensters
DE3043973A1 (de) 1979-12-10 1981-09-10 Cardinal Insulated Glass Co., Minneapolis, Minn. Verfahren zur herstellung einer isolierglaseinheit
EP0117885A1 (fr) 1983-02-09 1984-09-12 GebràœDer Sulzer Aktiengesellschaft Fenêtre thermiquement isolante
EP0410927A1 (fr) 1989-07-26 1991-01-30 Geilinger AG Vitrage multiple
EP0226151B1 (fr) 1985-12-09 1991-02-27 Southwall Technologies, Inc. Vitrage multiple avec feuilles transparentes et électriquement conductrices constituant écran contre les radiations
EP0470374A1 (fr) 1990-08-10 1992-02-12 Geilinger AG Elément de vitrage
EP0485505B1 (fr) 1989-08-02 1998-10-28 Southwall Technologies, Inc. Structure de vitrage thermo-isolant hautement efficace a vitres multiples
EP1573162B1 (fr) 2002-12-05 2009-04-22 Visionwall Corporation Systeme d'etancheite pour fenetre econergetique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242386A (en) * 1978-11-28 1980-12-30 Christel Konrad Multiple glazing units
DE4445228A1 (de) * 1994-12-17 1996-06-27 Herzle P & J Glasbau Gmbh Scheibenelement
US7281561B2 (en) * 2004-06-07 2007-10-16 Donald Anderson Multi-layered film window system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2313278A1 (de) 1972-03-16 1973-09-27 Du Pont Fertigungsgegenstand mit einer solarenergie reflektierenden folie und verfahren zu seiner herstellung
DE2850749A1 (de) 1978-11-17 1980-05-22 Sulzer Ag Isolationselement zum einsatz zwischen den scheiben eines verbundfensters
DE3043973A1 (de) 1979-12-10 1981-09-10 Cardinal Insulated Glass Co., Minneapolis, Minn. Verfahren zur herstellung einer isolierglaseinheit
EP0117885A1 (fr) 1983-02-09 1984-09-12 GebràœDer Sulzer Aktiengesellschaft Fenêtre thermiquement isolante
EP0226151B1 (fr) 1985-12-09 1991-02-27 Southwall Technologies, Inc. Vitrage multiple avec feuilles transparentes et électriquement conductrices constituant écran contre les radiations
EP0410927A1 (fr) 1989-07-26 1991-01-30 Geilinger AG Vitrage multiple
EP0485505B1 (fr) 1989-08-02 1998-10-28 Southwall Technologies, Inc. Structure de vitrage thermo-isolant hautement efficace a vitres multiples
EP0470374A1 (fr) 1990-08-10 1992-02-12 Geilinger AG Elément de vitrage
EP1573162B1 (fr) 2002-12-05 2009-04-22 Visionwall Corporation Systeme d'etancheite pour fenetre econergetique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012110101A1 (fr) * 2011-02-18 2012-08-23 Southwall Technologies Inc. Procédé et dispositif servant à tendre une membrane et procédé de fabrication d'un élément à plusieurs vitres

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Publication number Publication date
AT510188A1 (de) 2012-02-15
AT510188B1 (de) 2012-05-15
EP2412910A3 (fr) 2016-07-06

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