EP3851582A1 - Dispositif d'évacuation, en particulier cuvette d'évacuation ou siphon - Google Patents
Dispositif d'évacuation, en particulier cuvette d'évacuation ou siphon Download PDFInfo
- Publication number
- EP3851582A1 EP3851582A1 EP21151542.4A EP21151542A EP3851582A1 EP 3851582 A1 EP3851582 A1 EP 3851582A1 EP 21151542 A EP21151542 A EP 21151542A EP 3851582 A1 EP3851582 A1 EP 3851582A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drainage device
- drainage
- drain
- cup
- inlet opening
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 10
- 239000004567 concrete Substances 0.000 claims description 18
- 238000009415 formwork Methods 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000005422 blasting Methods 0.000 claims description 5
- 239000011372 high-strength concrete Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 31
- 238000010276 construction Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009439 industrial construction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000008030 superplasticizer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/266—Concrete reinforced with fibres other than steel or glass
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
Definitions
- the invention relates to a drainage device, the drainage device having an inlet opening designed to accommodate a cover and an outlet opening connected to the inlet opening.
- the drainage device can be a drainage cup for a drainage, in particular for a bridge drainage or high-rise and industrial building ceiling drainage, or a spout for sealing drainage.
- Drainage trays are known from the prior art, which are intended to be used for bridge drainage pots and bridge sealing drains, among other things.
- Bridge drains are part of the bridge drainage and ensure the drainage of surface water and the water that has penetrated up to the bridge seal.
- the most important construction elements are the bridge drains, the bridge sealing drains and a pipeline system made up of connecting and collecting lines.
- the bridge drain consists of an upper part (stacking frame with inlet grille) and a lower part - the actual drain pan with a pipe connection piece.
- the sealing drainage consists of the so-called grommet with pipe connection pieces and a cover, which should prevent the penetration of asphalt into the drainage and allow drainage of the sealing level.
- the drainage trays can, however, also be used for draining flat roofs, garages, etc. in structural and industrial construction.
- drainage trays are made of cast iron, stainless steel (bridge construction) or plastic (structural and industrial construction) and are used accordingly.
- bridge construction cast iron, stainless steel (bridge construction) or plastic (structural and industrial construction) and are used accordingly.
- the bond between these materials and the enveloping concrete, which diminishes over time, as well as damage in the contact area with the liquid or bituminous seal attached to the drain lead to leaks and circumferences in the immediate vicinity of the drain and thus also to damage to the structure (e.g. bridge or roof) due to corrosion of the adjacent reinforcement and concrete spalling.
- the durability (corrosion resistance) of the cast iron is also not within the desired range due to the high load from the running water, including de-icing agents, and leads to shorter lifetimes of the processes (eg "spongiosis").
- the service life of the plastic built-in parts is also limited by an embrittlement process due to UV exposure.
- the use of stainless steel drain pans is great expensive. There is no solution to the problem of the decreasing adhesive bond or the fatigue failure of the bituminous seal, the corrosion of the cast iron material and the embrittlement of plastics.
- a drain device preferably a drain cup for a drain, in particular for a bridge drain or high and industrial building ceiling drain, or spout for sealing drainage
- the drain device having an inlet opening designed to accommodate a cover and an outlet opening connected to the inlet opening, which is designed as a pipe connection piece
- the drainage device consisting of hardened cement-based composite material, preferably of ultra-high-strength concrete, with a compressive strength of at least 110 N / mm 2 .
- the compressive strength can, for example, be measured using the test methods specified in the EC 2 (Eurocode 2) standard for normal concrete.
- the present invention on the one hand reduces maintenance and consequential damage costs and on the other hand increases the robustness of building structures (including bridges and flat roofs) over their service life.
- the service life of a drainage device made of cement-based composite material is significantly longer than that of a drainage device made of cast iron and is estimated to be around four times as long.
- the life cycle costs for repairs during the service life of a bridge can be significantly reduced by using the drainage device according to the invention. Extensive damage to the drainage system itself and consequential damage to the adjacent structure are effectively prevented.
- the drainage device according to the invention can also be manufactured as a prefabricated part in the concrete plant, regardless of the weather, with high accuracy and consistent quality.
- the choice of material means that the drainage device has such a low weight that the drainage device can be carried by one person from a discharge point to an installation point without excessive stress, so that this results in a further advantage.
- the density of the drainage device can be, for example, 2,000-2,600 kg / m 3 . Regardless of this, the wall thickness of the drainage device can be 1.0 - 2.5 cm.
- the cement-based composite material comprises fibers, preferably plastic fibers or else carbon and steel fibers, which further increases the material properties of the drainage device.
- the fibers have a high tensile strength, which in particular further improves the tensile load behavior of the drainage device.
- the drainage device particularly preferably has a greater roughness on its outside than on its inside.
- the surface quality of the drainage device according to the invention ensures a correspondingly good bond between the drainage device and the structural concrete on the outside of the drainage device and a permanent and tight connection of the sealing system on the flanges.
- the inside is smooth in order to be able to drain away the accumulating water as quickly as possible and to be able to prevent impurities such as dust, sand, abrasion, etc. from sticking over a long period of time.
- the drainage device can be open-pored or structured on its outside and closed-pored on its inside.
- the open-pore or structure on the outside ensures a further improved bond between the drainage device and the structural concrete, while the closed-pore prevents the penetration of water.
- the outside of the drainage device is cleaned using a blasting process (e.g. sand, High-pressure water jets) or structured by inserting a matrix into the outer formwork, whereby an adhesive bond with normal concrete can be achieved that is about 10 times higher than is known for drainage devices made of cast iron.
- a blasting process e.g. sand, High-pressure water jets
- a matrix e.g. sand, High-pressure water jets
- the inlet opening of the drainage cup is designed as a flange which has a surface facing away from the second opening for bonding to a bitumen sealing membrane.
- the inlet opening of the drain device which is designed as a flange, also provides a good base for a tight connection in other sealing systems.
- the thermal material properties of the drainage device essentially correspond to the material properties of normal concrete.
- the drainage device according to one of the above-mentioned embodiments is preferably already inserted into a supporting structure, so that furthermore a system according to the invention comprising a supporting structure, preferably a bridge supporting structure or high or industrial building ceiling, made of normal concrete, preferably reinforced normal concrete, and one in a recess in the supporting structure used drainage device is provided.
- a system according to the invention comprising a supporting structure, preferably a bridge supporting structure or high or industrial building ceiling, made of normal concrete, preferably reinforced normal concrete, and one in a recess in the supporting structure used drainage device is provided.
- this system has the advantages which are described above for the drainage device according to the invention.
- Figure 1 shows a drainage device which, in the embodiment shown, is shown as a drainage cup 1 inserted in a bridge structure 2.
- the bridge structure 2 usually consists of normal concrete, but could in general also consist of another building material.
- the drain cup 1 according to the invention is shown in FIG Embodiment shown for use in a bridge structure could also be provided in a building ceiling, an underground car park and multi-storey car park ceiling or some other essentially horizontal structural element.
- the drainage device can be designed as a spout for sealing drainage. All the embodiments explained below for the drain cup 1 can also be provided for the spout.
- the drainage cup 1 consists of cement-based composite material, preferably ultra-high-strength concrete, with a compressive strength of at least 110 N / mm 2 .
- a very thin wall thickness for example 1.0-2.5 cm, can be achieved for the drainage cup 1.
- the cement-based composite material (ultra-high-strength concrete) is composed, for example, of the following components: - 600 - 800 kg cement - 80 - 120 kg Microsilica - 200 - 400 kg Quartz powder - 900 - 1,300 kg Quartz sand / basalt chippings - 150 - 200 kg water - 15-20 kg Superplasticizer - and fibers optionally ⁇ 5 - 15 kg Plastic fibers (polymer fibers) ⁇ 20 - 40 kg Carbon fibers ⁇ 80 - 160 Steel fibers
- the composite material thus achieves a density of 2,000 - 2,600 kg / m 3 .
- the drainage cup 1 has an inlet opening 3 and an outlet opening 4 connected to the inlet opening 3, so that the drainage cup 1 forms a converging funnel from the inlet opening 3 to the outlet opening 4. Liquids flowing into the inlet opening 3 can therefore flow through the drainage cup 1 and exit through the outlet opening 4.
- the inlet opening 3 is preferably larger than the outlet opening 4.
- the drainage cup 1 is designed to be rotationally symmetrical about an axis A, so that the inlet opening 3 and the outlet opening 4 are circular.
- the inlet opening can have an outside diameter (flange outer edge) of 58 cm, an inside diameter (funnel) of 38 cm and the outlet opening an outside diameter (for the socket diameter of the connecting pipe) of 20 cm, the inside diameter generally depending on the wall thickness.
- the inlet opening 3 and the outlet opening 4 could, however, also have an oval or angular design, as a result of which the drainage cup 1 can also assume a correspondingly different shape.
- the drainage cup 1 is designed in the area of the inlet opening 3 to accommodate a commercially available cover 5, which is intended to prevent the penetration of asphalt into the drainage cup 1 or a drain connected to it.
- the inlet opening can be closed in such a way that it is safe to walk on and drive over it.
- the drainage cup 1 in the area of the inlet opening 3 can advantageously be designed as a flange 6, which has a surface 7 facing away from the outlet opening for bonding to bitumen or plastic-based sealing sheets or liquid sealing systems.
- the surface 7 extends in a plane which is normal to the named axis A of the drain cup 1.
- the flange 6 can moreover be designed with openings 8 for fastening 9.
- the drainage cup 1 is designed as a pipe connection piece and assumes a cylindrical shape over a length L which, for example, corresponds to a connection length for commercially available sewer pipe sleeves.
- the pipe socket connection is formed in one piece, i.e. monolithically, on the drainage cup 1.
- the outer diameter D of the drainage cup 1 is also preferably designed in such a way that it is compatible with commercially available sewer pipe sleeves.
- the drainage device can thus comprise a flange on the inlet opening, a funnel between the inlet opening and outlet opening and a pipe connection piece on the outlet opening.
- the funnel is usually made shorter than in the case of the drainage cup 1.
- the drain cup 1 has, as shown, an outside 10 and an inside 11, wherein the drain cup 1 can have a greater roughness on its outside 10 than on its inside 11, so that the drain cup 1 can be easily connected to the supporting structure 2 and on the one hand on the other hand, can drain water well.
- the drainage cup 1 can be open-pored on its outside 10 and closed-pored on its inside 11.
- the outer surface 10 of the drainage cup 1 can be structured by inserting matrices into the outer formwork or processed by means of a blasting process (eg sandblasting, high-pressure water blasting). In other embodiments, however, the outer surface could also be untreated and flatly smooth.
- the drain cup 1 can be prefabricated in a production line at the factory, taking into account the application, in its desired geometry (length of drain connection, fastening elements for stacking frames, etc.), desired surface properties (smooth or rough) and number of pieces.
- the formwork required for this can be precisely manufactured with CNC technology, 3D printing or the like, whereby it preferably consists of a dimensionally stable material in order to be able to guarantee the reusability of the formwork and the accuracy.
- the prefabricated formwork can be treated with common formwork oil.
- the formwork produced in this way can subsequently be filled with hardenable cement-based material which, after a waiting time and / or heat treatment, hardens to the aforementioned cement-based composite material with a compressive strength of at least 110 N / mm 2.
- the construction according to the invention can then be brought to the construction site after production and hardening. During delivery, the construction according to the invention can be prevented from being damaged by packaging.
- the prefabricated part On the construction site, the prefabricated part can be moved in the formwork in the course of the formwork and reinforcement work for the production of the supporting structure.
- the drainage cup 1 can be placed on the formlining. To connect a pipe socket, a correspondingly large recess is provided on the underside of the supporting structure. The drain cup 1 can, however, also be led down through the formwork with a longer pipe socket.
- the drainage cup 1 and pipe socket Due to the monolithic design of the drainage cup 1 and pipe socket, there are no connections or material changes in the structure which could become a weak point and leak. Subsequently, the drainage cup is set up in terms of height and position and secured against floating. This can be achieved with a cover plate that is clamped against the lower formwork with a formwork anchor. That too Sufficient ballast can be added.
- the structural concrete can be poured in. In the area of the drainage cup 1, the concrete must be poured in accordingly carefully and the inclined surfaces under the precast element must be ventilated by carefully shaking.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM50006/2020U AT17041U1 (de) | 2020-01-14 | 2020-01-14 | Ablaufeinrichtung, insbesondere ablauftasse oder tülle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3851582A1 true EP3851582A1 (fr) | 2021-07-21 |
EP3851582B1 EP3851582B1 (fr) | 2023-05-03 |
Family
ID=74859621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21151542.4A Active EP3851582B1 (fr) | 2020-01-14 | 2021-01-14 | Dispositif d'évacuation, en particulier cuvette d'évacuation ou siphon |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3851582B1 (fr) |
AT (1) | AT17041U1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113106856A (zh) * | 2021-04-13 | 2021-07-13 | 北京工业大学 | 一种嵌套式桥梁竖向泄水管 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1609080A1 (de) * | 1965-12-24 | 1970-04-16 | Konstantin Bertele | Sinkkasten-Bausatz |
DE1658217B1 (de) * | 1967-11-06 | 1970-05-27 | Passavant Werke | Ablauf,insbesondere Strassen- und Brueckenablauf |
KR100891200B1 (ko) * | 2008-10-21 | 2009-04-02 | 윤재경 | 외부표면에서의 분리가 방지되는 교량집수구 |
EP2695992A2 (fr) * | 2012-08-10 | 2014-02-12 | Hans Rinninger u. Sohn GmbH & Co. | Béton, pièce moulée en béton et procédé de fabrication d'une pièce moulée en béton |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19802757C2 (de) * | 1998-01-26 | 2003-09-25 | Alphacan Omniplast Gmbh | Straßenablauf |
DE19913828A1 (de) * | 1999-03-26 | 2000-09-28 | Alphacan Omniplast Gmbh | Trichter, insbesondere aus Kunststoff, für Straßenabläufe, und Verfahren zu dessen Herstellung |
DE102010037342B4 (de) * | 2010-09-06 | 2015-04-02 | Aco Severin Ahlmann Gmbh & Co. Kg | Ablaufeinrichtung und Verfahren zum Einbau einer Ablaufeinrichtung |
-
2020
- 2020-01-14 AT ATGM50006/2020U patent/AT17041U1/de unknown
-
2021
- 2021-01-14 EP EP21151542.4A patent/EP3851582B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1609080A1 (de) * | 1965-12-24 | 1970-04-16 | Konstantin Bertele | Sinkkasten-Bausatz |
DE1658217B1 (de) * | 1967-11-06 | 1970-05-27 | Passavant Werke | Ablauf,insbesondere Strassen- und Brueckenablauf |
KR100891200B1 (ko) * | 2008-10-21 | 2009-04-02 | 윤재경 | 외부표면에서의 분리가 방지되는 교량집수구 |
EP2695992A2 (fr) * | 2012-08-10 | 2014-02-12 | Hans Rinninger u. Sohn GmbH & Co. | Béton, pièce moulée en béton et procédé de fabrication d'une pièce moulée en béton |
Also Published As
Publication number | Publication date |
---|---|
AT17041U1 (de) | 2021-03-15 |
EP3851582B1 (fr) | 2023-05-03 |
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