EP3919852B1 - Véhicule avec protection anti-éclats - Google Patents

Véhicule avec protection anti-éclats Download PDF

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Publication number
EP3919852B1
EP3919852B1 EP21177293.4A EP21177293A EP3919852B1 EP 3919852 B1 EP3919852 B1 EP 3919852B1 EP 21177293 A EP21177293 A EP 21177293A EP 3919852 B1 EP3919852 B1 EP 3919852B1
Authority
EP
European Patent Office
Prior art keywords
vehicle
metal plate
splinter protection
vehicle according
plastic
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.)
Active
Application number
EP21177293.4A
Other languages
German (de)
English (en)
Other versions
EP3919852A1 (fr
Inventor
Stephan HAUCK
Günter Rettinger
Thomas Berger
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.)
Krauss Maffei Wegmann GmbH and Co KG
Original Assignee
Krauss Maffei Wegmann GmbH and Co KG
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 Krauss Maffei Wegmann GmbH and Co KG filed Critical Krauss Maffei Wegmann GmbH and Co KG
Publication of EP3919852A1 publication Critical patent/EP3919852A1/fr
Application granted granted Critical
Publication of EP3919852B1 publication Critical patent/EP3919852B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04—Armour construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0442—Layered armour containing metal
    • F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics

Definitions

  • the invention relates to secondary splinter protection, in particular for armored military vehicles, for protecting a vehicle interior from secondary splintering, with a metal plate and a plastic plate lying flat on the metal plate. Furthermore, the invention relates to a vehicle, in particular a military vehicle, with an armored vehicle wall and secondary splinter protection arranged on the inside of the vehicle wall.
  • Secondary splinter guards are used as additional protective elements in different types of vehicles, in particular armored military vehicles, and are used to protect a vehicle interior from secondary splinter.
  • Secondary shards can occur when a vehicle is fired at by armor-piercing munitions such as slugs, pinch-heads, shaped-charge slugs, dart slugs, or projectile-forming charges.
  • the armor-piercing ammunition hits an outer vehicle wall and penetrates it.
  • Secondary splinters are released from the vehicle wall on the side facing away from the threat. These secondary fragments propagate in a cone-shaped manner in the vehicle interior in the manner of projectiles, as a result of which serious injuries to the crew and damage to the loads transported in the vehicle interior can occur.
  • Known secondary splinter guards are arranged in the vehicle interior on the vehicle wall and have a metal plate which is used to intercept the secondary splinter. If the vehicle is shot at with armor-piercing ammunition, the secondary fragments ejected from the vehicle wall hit the metal plate. The kinetic energy of the secondary fragments is converted into deformation energy of the metal plate and dissipated upon impact, which prevents the secondary fragments from spreading in the vehicle interior.
  • the armor-piercing ammunition still has sufficient energy after penetrating the outer vehicle wall to also pierce through the metal plate of the secondary protection or to release further splinters from this metal plate.
  • secondary splinter guards often have a plastic plate lying flat on the inside of the metal plate on. The splinters detached from the metal plate are intercepted by the plastic plate, which has a significantly lower weight, and their spread inside the vehicle is prevented.
  • Such a secondary splinter protection is about in the DE 32 26 476 C2 disclosed.
  • the secondary splinter protection has a metal plate on which a plastic plate of the same thickness or thinner rests on the inside.
  • the metal plate intercepts secondary splinters, which are ejected from a vehicle wall by armor-piercing ammunition, and the splinters ejected from the metal plate are intercepted by the plastic plate.
  • EP 0 606 587 A1 discloses a vehicle with an armored vehicle wall and a secondary splinter protection arranged on the inside of the vehicle wall to protect a vehicle interior from secondary splinter with a metal plate and a plastic plate lying flat on the metal plate, the thickness of the plastic plate being greater than the thickness of the metal plate.
  • the present invention is therefore based on the object of creating a secondary splinter protection which has an increased protective effect.
  • the protective effect of the secondary splinter protection is increased by the greater thickness of the plastic plate compared to the thickness of the metal plate.
  • the thinner configuration of the metal plate in relation to the plastic plate results in a reduced number of splinters from the metal plate. Splinters continue to form when the armor-piercing projectile penetrates, but less material is released from the metal plate, resulting in fewer splinters being formed. The resulting splinters can be completely intercepted by the thicker plastic plate, since they can no longer penetrate the entire thickness of the plastic plate. On the other hand, secondary fragments released from the vehicle wall can now partially penetrate the relatively thin metal plate, but the metal plate brakes it so strongly that the plastic plate can stop the secondary fragments completely.
  • the ratio of the thickness of the plastic plate to the thickness of the metal plate is at least 1.5 to 1 mm, preferably at least 2 to 1 mm and particularly preferably at least 4 to 1 mm.
  • the thickness of the metal plate is between 1 and 10 mm, preferably 1 and 5 mm and particularly preferably 2 and 3 mm.
  • the metal plate is advantageously made of steel, in particular armored steel or deep-drawing steel, with an elongation at break of at least 45%. This allows the protective effect of the secondary splinter protection to be increased. Due to the elongation at break of steel, it is possible for the metal plate to be deformable to capture secondary splinters without tending to break. The kinetic energy of the secondary fragments can thereby be converted into deformation energy and dissipate without damaging the metal plate breaks.
  • the plastic plate bears directly against the metal plate. This enables a particularly favorable transfer of energy from the metal plate to the plastic plate as soon as secondary fragments impact the metal plate.
  • the metal plate can experience a certain supporting effect through the plastic plate.
  • the metal plate it is possible for the metal plate to have a coating, in particular a KTL coating. In this case, the plastic plate can lie directly against the KTL coating.
  • the plastic plate can rest against the metal plate without being glued. In this way, a certain relative movement between the fastened plates can be made possible, in particular when the vehicle is deformed, for example when driving fast in unsafe terrain.
  • the plastic plate it is also possible for the plastic plate to be connected to the metal plate by means of an adhesive bond.
  • a further advantageous embodiment provides that the plastic plate is designed as a homogeneous plastic plate.
  • the costs can be greatly reduced compared to plastic panels with fabric or fiber inserts.
  • the homogeneous material structure can have the same homogeneous material properties over the entire plastic panel. This enables an even protective effect over the entire surface of the secondary splinter protection. Additives can be added to the plastic sheet in order to adjust the material properties.
  • the plastic sheet has an elongation at break of at least 50%.
  • the protective effect of the secondary splinter protection can be increased in this way. Due to the elongation at break of at least 50%, the plastic plate can be deformed by splinters that occur in the metal plate. This converts kinetic energy into deformation energy converted and dissipated accordingly.
  • the plastic sheet advantageously has a density of at most 1 g/cm 3 . The surface weight of the secondary protection can be kept low as a result.
  • the plastic panel is designed as a multi-layer plastic panel.
  • the material properties of different types of plastic can be combined in a simple manner.
  • the secondary splinter guard is arranged on the vehicle wall via a screw connection. This can bring assembly and disassembly benefits.
  • the secondary splinter guard can be mounted on the vehicle wall using the screw connection and removed from the vehicle wall if necessary. It is thus possible for the secondary splinter protection to be replaceable, particularly in the event of damage.
  • the secondary splinter protection can also be removable for maintenance purposes of the vehicle and the secondary splinter protection, in particular when not in use.
  • the secondary splinter protection can be retrofitted.
  • the screw connection can have a slug fastened to the vehicle wall and a screw bolt for fastening the secondary splinter protection. It is possible that the screw connection fulfills a double function.
  • the secondary splinter protection can be attached to the slug, in particular to an end face of the Butzens, abut.
  • the secondary splinter protection can be arranged in relation to the vehicle wall via the screw connection, in particular also spaced apart in the manner of stands or supports.
  • the secondary splinter protection can be attached to the vehicle wall via the screw connection by screwing the screw bolt to the slug.
  • the slug can be designed in the manner of a weld nut.
  • the secondary splinter protection is arranged at a distance from the vehicle wall. Due to the distance between the vehicle wall and the secondary splinter protection, the protective effect against secondary splinter protection can be increased in a structurally simple manner.
  • the secondary fragments can spread out in a cone shape when armor-piercing ammunition penetrates the vehicle wall. Due to the spaced arrangement, the secondary splinters hit a larger surface of the secondary splinter protection according to the opening angle of the cone and can be intercepted better.
  • the distance is 15 to 75 mm, preferably 20 to 65 mm and particularly preferably 30 to 55 mm.
  • the cone-shaped spreading secondary splinter can be intercepted by a larger area of the secondary splinter protection.
  • the usable volume of the vehicle interior can also decrease at the same time.
  • the vehicle has a technical space arranged between the secondary splinter protection and the vehicle wall, in which Vehicle components, in particular fluid lines and / or electrical lines are arranged.
  • Vehicle components in particular fluid lines and / or electrical lines are arranged.
  • This can bring benefits during use. Due to the spatial separation of the vehicle components by the secondary splinter protection, disruptive influences on the crew and/or cargo in the vehicle interior can be reduced, which can occur, for example, from fluids escaping from the vehicle components, electrically exposed cables or the like. Conversely, it is also possible to protect the vehicle components from damage by the crew and/or cargo in the vehicle interior, for example due to accidental bumping into the vehicle components.
  • the technical room can also have visual advantages, for example for presentations.
  • the technology room can also thermally insulate the vehicle interior from the environment of the vehicle. The load and/or crew can thus be protected from extreme temperature influences.
  • the technical space has at least one ventilation duct for air conditioning the vehicle interior.
  • the room climate within the vehicle interior in particular during an operation, can be improved.
  • a further advantageous embodiment provides that the secondary splinter protection is arranged parallel to the vehicle wall.
  • the secondary splinter protection is arranged on the vehicle wall in such a way that the metal plate is arranged between the vehicle wall and the plastic plate.
  • the metal plate is thus arranged on the threat side. High-energy secondary splinters from the vehicle wall are intercepted by the metal plate with this arrangement. Low-energy fragments from the metal plate are accordingly from the plastic plate intercepted.
  • the protective potential of both panels can thus be optimally used.
  • armor-piercing projectiles 40 are fired at them.
  • these projectiles 40 can penetrate the outer vehicle wall 11 of the vehicle 10 in very unfavorable situations.
  • secondary fragments 20 are released from the vehicle wall 11 and can propagate in the vehicle interior 12 in the manner of a cone of fragments. This can cause considerable damage to the crew and/or cargo, which is why secondary splinter protection 1 is often used in military vehicles 10 to protect against such secondary splinter 20 .
  • the secondary splinter guard 1 shows such a secondary splinter guard 1.
  • the secondary splinter guard 1 has a metal plate 2 and a plastic plate 3.
  • FIG. The plastic plate 3 lies flat against the metal plate 2 .
  • the metal plate 2 and the plastic plate 3 are flat.
  • the metal plate 2 has a uniform thickness Dm and the plastic plate 3 has a uniform thickness Dk.
  • the plastic plate 3 is twice as thick as the metal plate 2, which is why the ratio of the thicknesses Dk to Dm is two.
  • the thickness Dm is 3 mm and the thickness Dk is 6 mm, with different plate thicknesses also being possible in principle.
  • the metal plate 2 is designed as a homogeneous metal plate.
  • the metal is a very good cold-formable material. Due to the homogeneous material structure, the material properties of the metal plate 2 are the same over its entire surface.
  • the metal plate 2 consists of armored steel. Armor steel has a high elongation at break, which increases the protective effect of the secondary splinter protection 1 . It can also be a CrNi steel.
  • the plastic plate 3 is designed as a homogeneous plastic plate.
  • the plastic plate consists of polyethylene. It is advantageously high-density polyethylene, in particular in the range greater than 0.9 g/cm 3 , even more advantageously greater than 0.95 g/cm 3 . Alternatively, this can also have fabric or fiber reinforcements, which, however, are associated with higher costs.
  • the plastic plate 3 also has a high elongation at break, as a result of which the protective effect of the secondary splinter protection 1 is further increased.
  • the metal plate 2 and the plastic plate 3 are in direct contact with each other and abut each other.
  • the direct contact between the plastic plate 3 and the metal plate 2 results in favorable energy transmission between the plates.
  • the plastic plate 3 can rest directly on the KTL coating of the metal plate 2.
  • the secondary splinter protection 1 is arranged on the inside of the vehicle wall 11 . It is possible for the secondary splinter protection 1 to be designed as a modular secondary splinter protection 1 . This entails assembly advantages. This is because several secondary splinter guards 1 can be arranged next to one another on the vehicle wall 11 . This makes it possible to remove only individual secondary splinter guards 1, for example for maintenance purposes, and/or to replace them, for example in the event of damage. In addition, it is possible to arrange several secondary splinter guards 1 over the entire vehicle wall 11 . As an alternative to the modular configuration of the secondary splinter protection 1, it is also possible to provide a single secondary splinter protection 1 which extends over the entire vehicle wall 11.
  • the assembly of the secondary splinter protection 1 on the vehicle inner wall is carried out via a screw connection 4.
  • the screw connection 4 is designed in the manner of a slug connection.
  • the screw connection 4 has a slug 4.1 which is screw-connected to a screw bolt 4.2.
  • the slug 4.1 is designed in the manner of a weld nut and is welded to the vehicle wall 11 all around.
  • the metal plate 2 rests on an end face of the slug 4.1.
  • the screw bolt 4.2 is inserted through recesses 2.1, 3.1 of the metal plate 2 and the plastic plate 3 and fastens them.
  • the secondary splinter protection 1 is fastened parallel to the vehicle wall 11 at a uniform distance a.
  • the slug 4.1 spaces the secondary splinter protection 1 in the manner of a stand or a support.
  • the Screw connection 4 therefore has a dual function.
  • the screw connection 4 serves to attach the secondary splinter protection 1 to the vehicle wall 11 .
  • the screw connection 4 also serves to arrange the secondary splinter protection 1 at the distance a on the vehicle wall 11 .
  • the distance a corresponds to 30 mm, with distances deviating from 30 mm also being possible in principle.
  • a technical space R is arranged between the secondary splinter protection 1 and the vehicle wall 11 .
  • the technical space R is delimited by the secondary splinter protection 1 and the vehicle wall 11 .
  • Different vehicle components 13 are arranged in the technical room R, such as electrical, pneumatic and/or hydraulic lines.
  • the vehicle components 13 Due to the arrangement of the vehicle components 13 in the technical room R, they are spatially separated from the vehicle interior 12 . On the one hand, injuries to the crew and/or damage to the cargo and/or goods can be avoided as a result. On the other hand, the vehicle components 13 can be protected from damage. For example, during an operation, the spatial separation means that the crew cannot injure themselves by bumping into vehicle components 13 . Conversely, it is also not possible for the vehicle components 13 to be damaged when bumped.
  • the armor-piercing projectile 40 penetrates the vehicle wall 11.
  • the vehicle wall 11 is itself designed as an armored vehicle wall 11.
  • add-on elements 30 are arranged on the vehicle wall 11 on the outside, which are also penetrated.
  • the add-on elements 30 can be used as dent plates, steel, aluminum, Ceramic and / or composite protection elements to increase the armor protection of the vehicle wall 11 can be configured.
  • secondary fragments 20 are formed from the vehicle wall 11.
  • the secondary fragments 20 propagate like bullets in the direction of the vehicle interior 12 .
  • the propagation of the secondary splitter 20 takes place in a cone shape.
  • the secondary splinters 20 are intercepted by the secondary splinter guard 1 at the distance a.
  • the metal plate 2 of the secondary splinter protection 1 is arranged on the threat side.
  • the secondary splinters 20 therefore hit the metal plate 2 and are intercepted. It is possible that the kinetic energy of the secondary fragments 20 is so large that deformations of the metal plate 2 occur. Due to the deformations, the kinetic energy of the secondary fragments 20 is converted into deformation energy of the metal plate 2 and dissipated accordingly. The distribution of the conically spreading secondary fragments 20 in the vehicle interior 12 is prevented. In order to be able to dissipate as much energy as possible, the metal plate 2 has an elongation at break of at least 45%.
  • the armor-piercing projectile 40 still has sufficient energy after penetrating the vehicle wall 11 to also penetrate the secondary splinter protection 1 .
  • splinters can also form, which spread out in a cone shape.
  • the plastic plate 3 In order to also dissipate the kinetic energy of the splinters in the case of the plastic plate 3, the plastic plate 3 also has a high elongation at break of at least 50%.
  • the secondary fragments 20 can get into the vehicle interior 12 when the secondary splinter protection 1 breaks through, they no longer spread out in a cone shape, but rather in channels. This greatly reduces the risk of injury or damage to the crew and/or cargo in the vehicle interior 12 .
  • the secondary splinter protection 1 serves to protect the vehicle interior 12 from secondary splinter 20 by intercepting them. In particular, the conical propagation of the secondary fragments 20 in the vehicle interior 12 is prevented, thereby reducing the risk of damage to the crew and/or cargo.
  • the metal plate 2 and the plastic plate 3 lying flat against the metal plate 2 serve to intercept the secondary splinters 20. To increase the protective effect, the thickness Dk of the plastic plate is greater than the thickness Dm of the metal plate 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Laminated Bodies (AREA)

Claims (15)

  1. Véhicule, notamment véhicule militaire, avec une paroi de véhicule blindée (11) et une protection contre les éclats secondaires (1) agencée du côté intérieur sur la paroi de véhicule (11), pour protéger un espace intérieur de véhicule (12) contre des éclats secondaires (20), avec une plaque métallique (2) et une plaque en matière plastique (3) reposant à plat sur la plaque métallique (2), l'épaisseur (Dk) de la plaque en matière plastique (3) étant supérieure à l'épaisseur (Dm) de la plaque métallique (2),
    caractérisé par
    un espace technique (R) agencé entre la protection contre les éclats secondaires (1) et la paroi de véhicule (11), dans lequel sont agencés des composants du véhicule (13), notamment des conduites de fluide et/ou des conduites électriques.
  2. Véhicule selon la revendication 1, caractérisé en ce que le rapport entre l'épaisseur (Dk) de la plaque en matière plastique (3) et l'épaisseur (Dm) de la plaque métallique (2) est d'au moins 1,5 sur 1, de préférence d'au moins 2 sur 1 et de manière particulièrement préférée d'au moins 4 sur 1.
  3. Véhicule selon la revendication 1 ou 2, caractérisé en ce que l'épaisseur (Dm) de la plaque métallique (2) est comprise entre 1 et 10 mm, de préférence entre 1 et 5 mm et de manière particulièrement préférée entre 2 et 3 mm.
  4. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque métallique (2) est constituée d'acier, notamment d'acier blindé, avec un allongement à la rupture d'au moins 45 %.
  5. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque en matière plastique (3) repose directement sur la plaque métallique (2).
  6. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque en matière plastique (3) est conçue sous forme de plaque en matière plastique homogène.
  7. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque en matière plastique (3) présente un allongement à la rupture d'au moins 50 %.
  8. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque en matière plastique (3) présente une densité d'au plus 1 g/cm3.
  9. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque en matière plastique (3) est conçue sous forme de plaque en matière plastique multicouche.
  10. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la protection contre les éclats secondaire (1) est agencée sur la paroi de véhicule (11) par l'intermédiaire d'une liaison à vis (4).
  11. Véhicule selon la revendication 10, caractérisé en ce que la protection contre les éclats secondaire (1) est agencée à une distance (a) de la paroi de véhicule (11).
  12. Véhicule selon la revendication 11, caractérisé en ce que la distance (a) est de 15 à 75 mm, de préférence de 20 à 65 et de manière particulièrement préférée de 30 à 55 mm.
  13. Véhicule selon la revendication 1, caractérisé en ce que l'espace technique (R) présente au moins un canal de ventilation (14) pour climatiser l'espace intérieur de véhicule (12).
  14. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la protection contre les éclats secondaire (1) est agencée parallèlement à la paroi de véhicule (11).
  15. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que la protection contre les éclats secondaire (1) est agencée sur la paroi de véhicule (11) de telle sorte que la plaque métallique (2) est agencée entre la paroi de véhicule (11) et la plaque en matière plastique (3).
EP21177293.4A 2020-06-04 2021-06-02 Véhicule avec protection anti-éclats Active EP3919852B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020114896.8A DE102020114896A1 (de) 2020-06-04 2020-06-04 Sekundärsplitterschutz

Publications (2)

Publication Number Publication Date
EP3919852A1 EP3919852A1 (fr) 2021-12-08
EP3919852B1 true EP3919852B1 (fr) 2023-08-09

Family

ID=76250150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21177293.4A Active EP3919852B1 (fr) 2020-06-04 2021-06-02 Véhicule avec protection anti-éclats

Country Status (6)

Country Link
EP (1) EP3919852B1 (fr)
DE (1) DE102020114896A1 (fr)
DK (1) DK3919852T3 (fr)
ES (1) ES2958536T3 (fr)
FI (1) FI3919852T3 (fr)
PL (1) PL3919852T3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428226A1 (fr) 1978-06-06 1980-01-04 Saint Louis Inst Plaque de blindage
DE2926815A1 (de) 1979-07-03 1981-01-15 Krauss Maffei Ag Beschichtete panzerplatte
DE3226476A1 (de) 1982-07-15 1988-07-14 Messerschmitt Boelkow Blohm Schutzwandkonstruktion fuer panzerfahrzeuge
EP0588212B1 (fr) 1992-09-17 1996-12-04 Fmc Corporation Blindage prévenant le phénomène d'écaillage
DE4300746C2 (de) * 1993-01-14 1995-10-26 Daimler Benz Aerospace Ag Leichtpanzerung
DE19734950C2 (de) 1997-08-13 1999-05-27 Gerd Dr Ing Kellner Minenschutzvorrichtung
DE102004034753B4 (de) 2004-07-17 2006-06-14 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Dämpfungsschicht für eine Panzerung

Also Published As

Publication number Publication date
ES2958536T3 (es) 2024-02-09
FI3919852T3 (fi) 2023-09-26
DE102020114896A1 (de) 2021-12-09
PL3919852T3 (pl) 2023-12-11
EP3919852A1 (fr) 2021-12-08
DK3919852T3 (da) 2023-10-02

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