EP3542007B1 - Vertikal verstellbarer schalldämmender schirm - Google Patents

Vertikal verstellbarer schalldämmender schirm Download PDF

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Publication number
EP3542007B1
EP3542007B1 EP17808014.9A EP17808014A EP3542007B1 EP 3542007 B1 EP3542007 B1 EP 3542007B1 EP 17808014 A EP17808014 A EP 17808014A EP 3542007 B1 EP3542007 B1 EP 3542007B1
Authority
EP
European Patent Office
Prior art keywords
panel
screen
sound absorbing
stand
counterweight
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
EP17808014.9A
Other languages
English (en)
French (fr)
Other versions
EP3542007A1 (de
Inventor
Maud Spencer
Linus Svensson
Per Karlsson
Johan GÖTESSON
Tomas Svensson
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.)
Gotessons Industri AB
SVALSON AB
Original Assignee
Gotessons Industri AB
SVALSON AB
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 Gotessons Industri AB, SVALSON AB filed Critical Gotessons Industri AB
Publication of EP3542007A1 publication Critical patent/EP3542007A1/de
Application granted granted Critical
Publication of EP3542007B1 publication Critical patent/EP3542007B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6145—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element
    • E04B1/615—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element the connection made by expansion
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7416—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with free upper edge, e.g. for use as office space dividers
    • E04B2/7433—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with free upper edge, e.g. for use as office space dividers with panels and support posts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
    • E04B2/827—Partitions constituted of sliding panels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/118—Panels, e.g. active sound-absorption panels or noise barriers

Definitions

  • This invention relates to a vertically adjustable sound-absorbing screen that can be used for example in office spaces.
  • Known office partition systems such as the one disclosed in US 3 934 382 , has the disadvantage that they come in fixed sizes, resulting in non-flexible office partitions.
  • US 5 918 422 discloses a vertically adjustable sound absorbing screen according to the preamble of claim 1.
  • a vertically adjustable sound absorbing screen comprising a stand comprising two vertical supports, a vertical sound absorbing panel slidably arranged between the two vertical supports, said panel being vertically adjustable between a maximum upper position where the upper edge of the panel s above the stand, and a minimum lower position, said sound absorbing panel being balanced by at least one counterweight.
  • the inventive screen has the advantage that it can be adjusted depending on the needs of the employees.
  • the panel can be instantly adjusted to provide the desired amount of privacy or sound insulation, for example when an employee receives a telephone call and needs a quite environment.
  • the panel can be raised.
  • the panel can be lowered to provide the desired amount of contact or view.
  • the inventive screen can also be used in restaurants, recording- or radio studios, etc.
  • the height of the screen can also be adjusted depending on how tall a user is.
  • Today, office desks with variable height is also used more and more. Some desks are possible to adjust between sitting and a standing working positions.
  • the vertically adjustable screen makes it possible adapt the height of the sound absorbing screen to the height of the office desk.
  • the panel is balanced by the at least one counterweight such that the panel can be vertically adjusted by hand.
  • Hand powered adjustment has the advantage that there is no need for a motor or electricity which makes the screen reliable and makes it possible to produce the screen at low cost. It also makes the screen reliable as it can be operated without electrical power. Furthermore, the workplace can be kept less cluttered as there will be need for fewer electric supply cords.
  • the panel can be adjusted to any vertical position between the maximum upper position and the minimum lower position.
  • the panel is maintained in the vertical position by the counterweight. This provides a particular low cost and simple arrangement.
  • the panel is balanced by the at least one counterweight such that the panel can be vertically adjusted by hand, the panel can be adjusted to any vertical position between the maximum upper position and the minimum lower position and the panel is maintained in the vertical position by the counterweight.
  • This can be achieved by an embodiment where the sound absorbing panel is attached to a wire, rope, band or chain that runs over a roller, said roller being located at the upper end of the stand. It is preferred that the wire, rope or chain is attached in the lower end of the panel. This makes it possible to raise the panel as high above the stand as possible.
  • the counterweight there is one counterweight that travels along both vertical supports, preferably in grooves along the vertical supports, where said grooves face each other.
  • the counterweight may have the form of a horizontal bar.
  • the panel can, in certain embodiments, be lowered to the extent that it is completely invisible, if the stand is lower than the office desk.
  • the minimum lower position is such that the upper edge of the panel is above the upper edge of the stand.
  • the screen is self-supporting. This allows easy placement and movement of the screen. This is achieved by the stand having a stand base.
  • the stand base allows placement of the screen on the floor in a self-supporting manner.
  • the sound absorbing panel preferably comprises a sound absorbing material.
  • the sound absorbing material preferably has a sound absorption coefficient of at least 0.4, at 500 Hz.
  • a method for adjusting the acoustic properties of a work space comprising vertically adjusting a screen as described above, to the desired height.
  • the adjustment is preferably carried out by hand.
  • the screen 1 is intended to be placed on the floor 2 of a work space, for example an office. It can for example be used between two adjacent work desks 3a, 3b.
  • the screen 1 comprises a stand 4 that comprises at least two vertical supports 5a, 5b.
  • the stand 4 is free standing, with the aid of stand base 6.
  • the screen 1 does not have to be fixed to the floor or to a wall. If the screen 1 does not have support 6, two or more screens may be connected to provide support, for example by connecting the stands 4 at an angle (as seen from above). Alternatively the screen 1 may be fixed to the floor by bolts or the like.
  • the height of the stand 4 can be such that it is slightly lower than average office desks. This makes it possible to conceal it to a great extent, if desired.
  • the two vertical supports 5a, 5b are attached at a fixed distance. This may be achieved by at least one horizontal bar 8 that connects the two vertical supports 5a, 5b.
  • the stand 4 may comprise a stiff board 9 or a glass pane 9 which is parallel to the panel 7. This provides additional stiffness and weight to the stand 4.
  • the screen 1 comprises a sound absorbing panel 7 that will be described in more detail below.
  • the panel 7 is vertically adjustable between a maximum upper position and a minimum lower position.
  • Preferably the panel 7 travels vertically in grooves in the vertical supports, said grooves facing each other.
  • the panel is balanced by counterweight 11, which may be a horizontal bar that extends between the vertical supports 5a, 5b.
  • the counterweight 11 may be connected to the panel 7 by a wires that travels over rollers 12 at the top of vertical supports 5a, 5b as described below.
  • the counterweight 11 makes it possible to easily adjust the height of the panel 7 by hand and also keeps the panel 7 immobile in the vertical position.
  • the weight of the counterweight should be equal or almost equal to the weight of the panel 7.
  • the counterweight does not completely balance the weight of the panel 7.
  • the panel 7 may then be held in its vertical position by a number of vertically distributed detent positions.
  • the detent positions can for example be spaced with 5 cm intervals.
  • a suitable minimum lower position for the upper edge 15 of the panel 7 can be from 80 cm to 120 cm above the floor.
  • a suitable maximum upper positon for the upper edge 15 can be from 160 cm to 200 cm above the floor.
  • the upper edge 15 of the panel 7 is 100 cm above the floor in the lower position and about 180 cm above the floor in the upper position.
  • the panel 7 can preferably be adjusted so that the upper edge 15 of the panel 7 is immobile anywhere between the minimum lower position and the maximum upper position. Thus the panel 7 can be left in such an arbitrary vertical position without moving vertically, and without the use of any additional brake or lock.
  • the upper edge 15 of the panel 7 is above the upper edge 16 of the stand 4 and thus preferably above vertical supports 5a, 5b.
  • the major part, for example at least 60% more preferably 80%, of the fixed height of the panel 7 may be above the upper edge 16 of vertical the stand in this position.
  • the panel 7 comprises a sound absorbing material.
  • the sounds absorbing material is preferably such that it absorbs sound and has a low weight and a low cost.
  • the sound absorbing material may comprise for example a foam or fibers.
  • One suitable type of fiber is fiberglass.
  • the fibers or the foam may be made of a polymer material.
  • the material may be for example cotton, felt, polyethylene fibres, polyethylene foam, or melamine foam.
  • the sound absorption coefficient of the sound absorbing material at 500 Hz is preferably at least 0.4, more preferably at least 0.5, more preferably at least 0.6, more preferably at least 0.7, more preferably at least 0.8, more preferably at least 0.9, and most preferably at least 0.95.
  • the thickness of the sound absorbing material in panel 7 is chosen such that it is thick enough to absorb sound to a sufficient extent, but thin enough so that screen 1 does not take up too much space and is not too heavy.
  • the thickness of sound absorbing material in the panel 7 may be, for example, from 10-80 mm, more preferably 20-70 mm, even more preferably 25-60 mm.
  • the panel 7 may comprise a frame 14 made in for example wood ( Fig. 5 ).
  • FIG. 5 and 6 A possible mechanism for vertically adjusting the panel 7 can be seen in Figs. 5 and 6 where the screen 1 is seen from the other side compared to Figs. 3a and 4a .
  • the panel 7 is connected to one end of a wire 10 that has a counterweight 11 attached to the other end.
  • the counterweight may hang in wire 10.
  • the wire 10 runs over a roller 12 located at the top of the vertical support 5a or 5b, which is hollow (5b is shown in the figure).
  • the panel 7 may be attached to sliders 13 that travels in grooves in the vertical supports 5a and 5b.
  • the counterweight 11 can travel vertically inside a space in the vertical support 5b, for example in a groove inside vertical support 5a or 5b.
  • the counterweight is arranged as in Fig. 2a .
  • wire 10 a rope, band or a chain may be used.
  • the wire 10 may be metal wire.
  • the weight of the counterweight 11 is preferably selected such that it (or they) balances the weight of the sound absorbing panel 7 such that the vertical position of the panel 7 can easily be changed by hand, and such that when the user lets go of the panel 7, the panel 7 remains in the vertical position where it is left by the user, as described above.
  • the friction in the system comprising the wire 10 and the roller 12, the counterweight 11 and the slider 13 should be selected accordingly, but the skilled person knowns how to do that. A certain minimum friction may be required, in particular if a metal chain is used instead of a rope.
  • the wire 11 may be arranged as a loop that travels over roller 12 and under a second roller at the bottom of the vertical supports 5a, 5b.
  • the weight of the counterweight or -weights can be larger than the weight of the panel 7.
  • the screen may have any suitable dimensions.
  • a suitable length of the screen 1 may be from 1 m to 2 m.
  • the width of the screen 1 can be from about 4 cm to about 15 cm.
  • the height of the stand 4 may be from 80 cm to 120 cm, more preferably from 90 cm to 110 cm even more preferably from 95 cm to 105 cm.
  • the fixed height of the panel 7 can have the same height as the stand 4 or can be higher or lower than the stand 4.
  • the fixed height of the panel 7 may be from about 80 to 120 cm.
  • the wire 10 is attached to the lower part of the panel 7. This makes it possible to raise the panel 7 to the maximum possible extent from the frame 4.
  • the distance from the lower edge of the panel 7 to where the wire 10 is attached to the panel is less than 5% of the fixed height of the panel 7.
  • the roller 12 is located as high as possible. This makes it possible to raise the panel 7 to the maximum possible extent in relation to the frame 4.
  • the distance from the upper edge 16 of the stand 4 to the attachment site for the roller 12 at the vertical support 5a, 5b is less than 5% of the height of the vertical support 5a, 5b.
  • the roller 12 may be located above the point where the wire 10 is attached to the panel 7, when the panel 7 is in the maximum upper position.
  • the upper edge 15 of the panel 7 is above the upper edge 16 of the vertical stand 4 even when the panel 7 is in the minimum lower position ( Figs 2b and 4c ).
  • This has the advantage that, when the frame 4 has the approximate height of an office desk, the panel will form a low divider between the desks.
  • Such a screen 1 is suitably has upper edge 15 from 5 cm to 20 cm above the upper edge 16 of the frame 4 in the minimum lower position is b
  • the stand 4 and in particular the vertical supports 5a and 5b can suitably be built from aluminium profiles.
  • Such profiles can be hollow to contain the counterweight 11 or provide vertical grooves for counterweight 11 and also provide a sliding arrangement for the panel 7, for example by providing a groove for a slider 13.
  • a method for adjusting the acoustic properties of a work desk 3a, 3b comprising adjusting the panel 7 of a screen 1 located adjacent to the work desk 3a 3b upwards or downwards from its initial position to a desired position so that the desired acoustic properties is achieved.
  • the panel 7 is raised when sound level at the work des 3a 3b is to be decreased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)

Claims (9)

  1. Vertikal verstellbarer schallabsorbierender Schirm (1), umfassend
    einen Ständer (4) mit zwei vertikalen Stützen (5a, 5b)
    eine vertikale schallabsorbierende Platte (7), die zwischen den beiden vertikalen Stützen (5a, 5b) verschiebbar angeordnet ist,
    wobei der Schirm unter Verwendung eines Standfußes (6) freistehend ist und
    die Platte (7) zwischen einer maximalen oberen Position, in der die Oberkante (15) der Platte (7) über dem Ständer (4) liegt, und einer minimalen unteren Position vertikal verstellbar ist,
    dadurch gekennzeichnet, dass
    die schallabsorbierende Platte (7) durch mindestens ein Gegengewicht (11) ausbalanciert ist, so dass die Platte (7) von Hand vertikal verstellt werden kann.
  2. Schirm (1) nach Anspruch 1, wobei die Platte (7) in eine beliebige vertikale Position zwischen der maximalen oberen Position und der minimalen unteren Position eingestellt werden kann.
  3. Schirm (1) nach einem der Ansprüche 1 bis 2, wobei die Platte (7) durch das Gegengewicht (11) in der vertikalen Position gehalten wird.
  4. Schirm (1) nach einem der Ansprüche 1 bis 3, wobei die schallabsorbierende Platte (7) an einem Draht, Seil, Band oder einer Kette (10) befestigt ist, der/die/das über eine Rolle (12) läuft, wobei sich die Rolle (12) am oberen Ende des Ständers (4) befindet.
  5. Schirm (1) nach einem der Ansprüche 1 bis 4, wobei der Draht, das Seil oder die Kette (10) am unteren Ende der Platte (7) befestigt ist.
  6. Schirm (1) nach einem der Ansprüche 1 bis 5, wobei ein Gegengewicht (11) entlang der beiden vertikalen Stützen (5a, 5b) läuft.
  7. Schirm (1) nach einem der Ansprüche 1 bis 6, wobei die untere minimale Position so gewählt ist, dass die Oberkante (15) der Platte über der Oberkante (16) des Ständers (4) liegt.
  8. Schirm (1) nach einem der Ansprüche 1 bis 7, wobei die Platte (7) ein schallabsorbierendes Material mit einem Schallabsorptionskoeffizienten von mindestens 0,4 bei 500 Hz umfasst.
  9. Verfahren zum Einstellen der akustischen Eigenschaften eines Arbeitsraumes, umfassend das vertikale Einstellen eines Schirms (1) nach einem der Ansprüche 1 bis 8 auf die gewünschte Höhe.
EP17808014.9A 2016-11-21 2017-11-13 Vertikal verstellbarer schalldämmender schirm Active EP3542007B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1651518A SE541353C2 (en) 2016-11-21 2016-11-21 Vertically adjustable sound absorbing screen
PCT/EP2017/078990 WO2018091390A1 (en) 2016-11-21 2017-11-13 Vertically adjustable sound absorbing screen

Publications (2)

Publication Number Publication Date
EP3542007A1 EP3542007A1 (de) 2019-09-25
EP3542007B1 true EP3542007B1 (de) 2020-04-22

Family

ID=60543506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17808014.9A Active EP3542007B1 (de) 2016-11-21 2017-11-13 Vertikal verstellbarer schalldämmender schirm

Country Status (3)

Country Link
EP (1) EP3542007B1 (de)
SE (1) SE541353C2 (de)
WO (1) WO2018091390A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12240609B2 (en) 2022-07-12 2025-03-04 B/E Aerospace, Inc. Cascading privacy divider

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250116128A1 (en) * 2023-10-10 2025-04-10 STARC Systems, Inc. Flexible corner for a temporary wall system

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Publication number Priority date Publication date Assignee Title
US3934382A (en) 1974-02-27 1976-01-27 Gartung Clifford W Modular sound-absorbing screens
US5918422A (en) * 1997-05-14 1999-07-06 Bucher, Jr.; Robert Joseph Open office panel system
US6178702B1 (en) * 1998-04-15 2001-01-30 Steelcase Development Inc. Flexible light seal for partition systems
EP1247918A1 (de) * 2001-04-05 2002-10-09 Yu-An Liu Höhenverstellbare Trennwand
WO2007147139A2 (en) * 2006-06-16 2007-12-21 Apaxis Systems, Inc. Office workstation assembly
SE535163C2 (sv) * 2009-09-29 2012-05-02 Svalson Ab Balkongräcke med integrerat vindskydd
ITMI20130341A1 (it) * 2013-03-07 2014-09-08 Gm Morando S R L Sistema schermante modulare
WO2015112080A1 (en) * 2014-01-22 2015-07-30 Ab Edsbyverken A screen, a partition screen system and a method of making the screen

Non-Patent Citations (1)

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Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12240609B2 (en) 2022-07-12 2025-03-04 B/E Aerospace, Inc. Cascading privacy divider

Also Published As

Publication number Publication date
WO2018091390A1 (en) 2018-05-24
SE1651518A1 (sv) 2018-05-22
EP3542007A1 (de) 2019-09-25
SE541353C2 (en) 2019-08-13

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