US20160174735A1 - Refrigerated display cabinet - Google Patents
Refrigerated display cabinet Download PDFInfo
- Publication number
- US20160174735A1 US20160174735A1 US14/849,712 US201514849712A US2016174735A1 US 20160174735 A1 US20160174735 A1 US 20160174735A1 US 201514849712 A US201514849712 A US 201514849712A US 2016174735 A1 US2016174735 A1 US 2016174735A1
- Authority
- US
- United States
- Prior art keywords
- display cabinet
- refrigerated display
- display area
- shelves
- disposed
- 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.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0408—Cases or cabinets of the closed type with forced air circulation
- A47F3/0413—Cases or cabinets of the counter type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0408—Cases or cabinets of the closed type with forced air circulation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/0434—Glass or transparent panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
- F25D21/125—Removing frost by hot-fluid circulating system separate from the refrigerant system the hot fluid being ambient air
Definitions
- the present invention relates to a refrigerated display cabinet having characteristics for improving efficiency, consumption and the temperature gradients in its interior and for preserving the quality of the food during chilling and defrost periods.
- contact refrigeration display cabinets Three types of refrigerated display cabinets are currently known in the state of the art: contact refrigeration display cabinets, static refrigeration display cabinets and forced air refrigeration display cabinets.
- contact refrigeration display cabinets the product displayed in the display area is cooled exclusively by conduction, on being physically in contact with a metallic base cooled by a coil, generally made of copper, extending along its inner face in contact therewith.
- This system is practically obsolete, since it only partially cools the products disposed on the bottom tray and does not cool the products that are not in contact with this display area.
- Another type comprises static refrigerated display cabinets, which generally have a construction morphology were the cold-producing element is an evaporator having a copper radiator and aluminium fins with cubic morphology, disposed on the upper rear part of the tray where the food products are displayed—an area usually occupied by the display cabinet operator—and transfers said cold through a grille.
- the drawback of these types of display cabinets is that, in general, due to their construction format, the product displayed covers these outlet holes and prevents the optimum distribution of cold throughout the display surface, generating temperature differences of more than 10° C. between the area nearest and farthest from the evaporator, said difference being greater during scheduled stops to defrost the evaporator. These temperature differences reduce the useful life of the food products displayed, ultimately giving rise to economic losses.
- the third type of display cabinets were built: forced air refrigerated display cabinets.
- this type of display cabinet which has a similar configuration to the foregoing and the same evaporator with cubic morphology, means were added to generate a circulating air flow—fans—through the evaporator and the food product display area, enveloping it, said air flow having the purpose of equating the temperatures at the front and rear of the display area.
- Some or all of these display cabinets may incorporate optional internal irrigation and cleaning systems, which are configured and scheduled solely for internal cleaning purposes.
- the refrigerated display cabinet of the invention remediates the technical problem raised.
- the display cabinet in question is of the forced air type, comprising a food product display area where supplementary supports and/or shelves may be disposed, and the display area of which may incorporate is full or partial cover, usually transparent, and may optionally comprise liquid sprayers coupled to the corresponding internal cleaning network, means for collecting the liquids that drip from the food products and/or spray nozzles, and cooling means associated with means for generating a circulating air flow through said cooling means that ensure an optimal and homogeneous temperature in the display area.
- the circulating air flow comprises reversible means, such that the flow may circulate in opposite directions and the coldest air coming directly from the cooling means does not always flow out from the same side nor always returns through the same side of the display area, favouring the generation of temperature gradients, but rather the direction of flow is reversed by detection and/or scheduling thereof, so that the coldest air flows out of the side where a higher temperature is envisaged or detected, returning in turn through the opposite side, thereby homogenising the temperatures throughout the display area and directly achieving better preservation of the products displayed.
- the cooling means may be double and may function independently, for example two evaporators, each connected to a different compressor unit in the event of using cooling gas compression and evaporation circuits. This allows independent defrosting of the two evaporators, due to which at least one would always be operational, preventing the temperature of the products from rising and minimising temperature fluctuations during defrost cycles.
- FIG. 1 shows a partial perspective view of the display cabinet of the invention, wherein the products appear displayed on shelves;
- FIG. 2 shows a side view of the display cabinet of the invention shown in FIG. 1 ;
- FIG. 3 shows a side view of a variant of the display cabinet of the invention wherein the products appear displayed on a support in the background.
- the refrigerated display cabinet ( 1 ) of the invention is of the type comprising a display area ( 2 ) where the food products ( 3 ) are displayed, which may comprise a horizontal support ( 4 ) as shown in FIG. 3 and/or shelves ( 5 ) as shown in FIGS. 1 and 2 , on which to arrange said products ( 3 ).
- Said display area ( 2 ) may comprise a full or partial cover ( 6 ), usually transparent, liquid sprayers ( 7 ) coupled to the corresponding cleaning network, liquid collection means with drains ( 9 ) for draining the liquids that drip from the products ( 3 ) and/or spray nozzles ( 7 ), in addition to cooling means associated with means for generating a circulating air flow ( 11 ) through said cooling means and the display area ( 2 ).
- the means for generating a circulating flow comprise reversible means, so that the circulating air flow ( 11 ) may circulate in opposite directions, compensating the unfavourable gradients produced when the circulating flow ( 11 ) is always in the same direction.
- the reversal of the circulating flow ( 11 ) is governed by the corresponding controller, not shown, associated with temperature sensors, not shown either, distributed throughout the display area ( 2 ) and/or time bases of the controller itself.
- FIGS. 2 and 3 show the flow circulating ( 11 ) in both directions.
- the reversible means comprise, at least, two impellers ( 14 , 14 a ) that alternatively impel the flows in opposite directions disposed in the display area ( 2 ), so that the circulating flow ( 11 ) flows out or in alternatively through said openings ( 16 ) in accordance with their specific direction of flow.
- impellers 14 , 14 a
- each impeller may have various fans and/or speed controllers to precisely adjust the necessary flow.
- the cooling means comprise, at least, two cooling elements ( 10 , 10 a ) that operate independently. This makes it possible to independently defrost each cooling element, so that there will always be one cooling element producing cold and preventing the temperature of the products from rising. This will also make it possible to extend the duration of the defrost cycles, as the products are not at risk ( 3 ), and therefore ensure more effective defrosting, which will result in an increase in efficiency and reduction in consumption, using the sprayers ( 7 ) for dragout during defrosting.
- the cooling elements ( 10 , 10 a ) typically comprise the evaporators of a compressor cooler unit and their operation is also governed by the controller.
- Said cooling elements ( 10 , 10 a ) are disposed on the liquid collection means, which comprise two inclined collectors ( 8 , 8 a ) disposed at the bottom underneath the supports ( 4 ) and/or shelves ( 5 ). These inclined collectors ( 8 , 8 a ) and said supports ( 4 ) and/or shelves ( 5 ) are connected to the corresponding drains ( 9 ).
- the sprayers ( 7 ) and cooling elements ( 10 , 10 a ) are disposed between these inclined collectors ( 8 , 8 a ) and said supports ( 4 ) and/or shelves ( 5 ), while the openings ( 16 ) are disposed at the ends of said supports ( 4 ) and/or shelves ( 5 ).
- the cooling elements ( 10 , 10 a ) preferably comprise upright trapezoidal fins ( 17 ), as shown in the figures, for resting levelly on the collectors ( 8 , 8 a ).
- ‘resting levelly’ is understood to mean that the upper parts of the fins ( 17 ) are substantially coplanar and horizontal, whereon the supports ( 4 ) and/or shelves ( 5 ) may rest fully or partially, which will also give rise to the transmission of cold directly by conduction via the supports ( 4 ) and/or shelves ( 5 ) towards the display area ( 2 ).
Landscapes
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Freezers Or Refrigerated Showcases (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Table Equipment (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Refrigerator Housings (AREA)
Abstract
Description
- This application claims the benefit of, and priority to Spanish Patent Application Number 201431919 filed on Dec. 23, 2014 entitled, “REFRIGERATED DISPLAY CABINET”, the content of which is relied upon and incorporated herein by reference in its entirety.
- 1. Object of the Invention
- The present invention relates to a refrigerated display cabinet having characteristics for improving efficiency, consumption and the temperature gradients in its interior and for preserving the quality of the food during chilling and defrost periods.
- 2. Background of the Invention
- Three types of refrigerated display cabinets are currently known in the state of the art: contact refrigeration display cabinets, static refrigeration display cabinets and forced air refrigeration display cabinets. In the first type, contact refrigeration display cabinets, the product displayed in the display area is cooled exclusively by conduction, on being physically in contact with a metallic base cooled by a coil, generally made of copper, extending along its inner face in contact therewith. This system is practically obsolete, since it only partially cools the products disposed on the bottom tray and does not cool the products that are not in contact with this display area. Another type comprises static refrigerated display cabinets, which generally have a construction morphology were the cold-producing element is an evaporator having a copper radiator and aluminium fins with cubic morphology, disposed on the upper rear part of the tray where the food products are displayed—an area usually occupied by the display cabinet operator—and transfers said cold through a grille. The drawback of these types of display cabinets is that, in general, due to their construction format, the product displayed covers these outlet holes and prevents the optimum distribution of cold throughout the display surface, generating temperature differences of more than 10° C. between the area nearest and farthest from the evaporator, said difference being greater during scheduled stops to defrost the evaporator. These temperature differences reduce the useful life of the food products displayed, ultimately giving rise to economic losses.
- In order to minimise these problems, the third type of display cabinets were built: forced air refrigerated display cabinets. In this type of display cabinet, which has a similar configuration to the foregoing and the same evaporator with cubic morphology, means were added to generate a circulating air flow—fans—through the evaporator and the food product display area, enveloping it, said air flow having the purpose of equating the temperatures at the front and rear of the display area. However, these refrigerated display cabinets, while reducing the temperature gradient to a margin of between five and eight degrees centigrade, do not satisfactorily equate the temperatures, since the cold air emitted is heated as it flows towards the absorption area which, on reaching the collection area, does not maintain the product at the temperature desired by the operator, a problem that worsens during scheduled defrost periods.
- Some or all of these display cabinets may incorporate optional internal irrigation and cleaning systems, which are configured and scheduled solely for internal cleaning purposes.
- The refrigerated display cabinet of the invention remediates the technical problem raised. The display cabinet in question is of the forced air type, comprising a food product display area where supplementary supports and/or shelves may be disposed, and the display area of which may incorporate is full or partial cover, usually transparent, and may optionally comprise liquid sprayers coupled to the corresponding internal cleaning network, means for collecting the liquids that drip from the food products and/or spray nozzles, and cooling means associated with means for generating a circulating air flow through said cooling means that ensure an optimal and homogeneous temperature in the display area.
- In accordance with the invention, the circulating air flow comprises reversible means, such that the flow may circulate in opposite directions and the coldest air coming directly from the cooling means does not always flow out from the same side nor always returns through the same side of the display area, favouring the generation of temperature gradients, but rather the direction of flow is reversed by detection and/or scheduling thereof, so that the coldest air flows out of the side where a higher temperature is envisaged or detected, returning in turn through the opposite side, thereby homogenising the temperatures throughout the display area and directly achieving better preservation of the products displayed.
- In addition, the cooling means may be double and may function independently, for example two evaporators, each connected to a different compressor unit in the event of using cooling gas compression and evaporation circuits. This allows independent defrosting of the two evaporators, due to which at least one would always be operational, preventing the temperature of the products from rising and minimising temperature fluctuations during defrost cycles.
-
FIG. 1 shows a partial perspective view of the display cabinet of the invention, wherein the products appear displayed on shelves; -
FIG. 2 shows a side view of the display cabinet of the invention shown inFIG. 1 ; and -
FIG. 3 shows a side view of a variant of the display cabinet of the invention wherein the products appear displayed on a support in the background. - The refrigerated display cabinet (1) of the invention is of the type comprising a display area (2) where the food products (3) are displayed, which may comprise a horizontal support (4) as shown in
FIG. 3 and/or shelves (5) as shown inFIGS. 1 and 2 , on which to arrange said products (3). Said display area (2) may comprise a full or partial cover (6), usually transparent, liquid sprayers (7) coupled to the corresponding cleaning network, liquid collection means with drains (9) for draining the liquids that drip from the products (3) and/or spray nozzles (7), in addition to cooling means associated with means for generating a circulating air flow (11) through said cooling means and the display area (2). - With this general configuration and in accordance with the invention, the means for generating a circulating flow comprise reversible means, so that the circulating air flow (11) may circulate in opposite directions, compensating the unfavourable gradients produced when the circulating flow (11) is always in the same direction. The reversal of the circulating flow (11) is governed by the corresponding controller, not shown, associated with temperature sensors, not shown either, distributed throughout the display area (2) and/or time bases of the controller itself.
FIGS. 2 and 3 show the flow circulating (11) in both directions. - The reversible means comprise, at least, two impellers (14, 14 a) that alternatively impel the flows in opposite directions disposed in the display area (2), so that the circulating flow (11) flows out or in alternatively through said openings (16) in accordance with their specific direction of flow. One of the two options would be selected and even combinations of the two options if deemed necessary. In either case, each impeller may have various fans and/or speed controllers to precisely adjust the necessary flow.
- Furthermore, the cooling means comprise, at least, two cooling elements (10, 10 a) that operate independently. This makes it possible to independently defrost each cooling element, so that there will always be one cooling element producing cold and preventing the temperature of the products from rising. This will also make it possible to extend the duration of the defrost cycles, as the products are not at risk (3), and therefore ensure more effective defrosting, which will result in an increase in efficiency and reduction in consumption, using the sprayers (7) for dragout during defrosting. The cooling elements (10, 10 a) typically comprise the evaporators of a compressor cooler unit and their operation is also governed by the controller. An unexpected additional advantage resulting from the arrangement of the two independent cooling elements (10, 10 a) is that they may have less production capacity, reducing their height to make more room for the display area (2), compared to display cabinets having a single cooling element.
- Said cooling elements (10, 10 a) are disposed on the liquid collection means, which comprise two inclined collectors (8, 8 a) disposed at the bottom underneath the supports (4) and/or shelves (5). These inclined collectors (8, 8 a) and said supports (4) and/or shelves (5) are connected to the corresponding drains (9). The sprayers (7) and cooling elements (10, 10 a) are disposed between these inclined collectors (8, 8 a) and said supports (4) and/or shelves (5), while the openings (16) are disposed at the ends of said supports (4) and/or shelves (5). The cooling elements (10, 10 a) preferably comprise upright trapezoidal fins (17), as shown in the figures, for resting levelly on the collectors (8, 8 a). In this document, ‘resting levelly’ is understood to mean that the upper parts of the fins (17) are substantially coplanar and horizontal, whereon the supports (4) and/or shelves (5) may rest fully or partially, which will also give rise to the transmission of cold directly by conduction via the supports (4) and/or shelves (5) towards the display area (2).
- Having sufficiently described the nature of the invention and the manner in which to put it into practice, it is hereby stated that the indications mentioned above and represented in the attached drawings are susceptible to changes in detail, provided that they do not alter the basic principle.
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201431919A ES2535685B1 (en) | 2014-12-23 | 2014-12-23 | Refrigerated display case |
ES201431919 | 2014-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20160174735A1 true US20160174735A1 (en) | 2016-06-23 |
Family
ID=53040254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/849,712 Abandoned US20160174735A1 (en) | 2014-12-23 | 2015-09-10 | Refrigerated display cabinet |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160174735A1 (en) |
EP (1) | EP3037022B1 (en) |
ES (2) | ES2535685B1 (en) |
HR (1) | HRP20180245T1 (en) |
PL (1) | PL3037022T3 (en) |
PT (1) | PT3037022T (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019128365A1 (en) * | 2019-10-21 | 2021-04-22 | Kramer Gmbh | Sales counter and method of operating a sales counter |
GR20220100311A (en) * | 2022-04-08 | 2023-11-13 | Τζελατεκ Μονοπροσωπη Ικε, | Refrigerator - showcase equipped with a water draining system enclosed in the space of the coolong elements during defrosting and arrangement of said cooling elements for faster liquefaction in the r efrigerator -showcase |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967404A (en) * | 1958-02-26 | 1961-01-10 | C V Hill & Company Inc | Refrigerated display case |
US4514988A (en) * | 1979-02-14 | 1985-05-07 | Tyler Refrigeration Corporation | Refrigerated display case having ambient air defrost |
USRE31909E (en) * | 1979-02-14 | 1985-06-11 | Tyler Refrigeration Corporation | Refrigerated display case having ambient air defrost |
US4577467A (en) * | 1984-10-30 | 1986-03-25 | Tyler Refrigeration Corporation | Frost diffusion system for refrigeration apparatus |
US7051545B2 (en) * | 2001-08-09 | 2006-05-30 | Sauter Ronald W | Refrigerated display case automatic cleaning system and method |
US20100050665A1 (en) * | 2007-08-13 | 2010-03-04 | B/E Aerospace, Inc. | Method and apparatus for maintaining a uniform temperature in a refrigeration system |
US9427097B2 (en) * | 2014-05-22 | 2016-08-30 | Hill Phoenix, Inc. | Refrigeration control using a door handle proximity sensor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3091942A (en) * | 1961-04-10 | 1963-06-04 | Hussmann Refrigerator Co | Food merchandiser |
US4329852A (en) * | 1979-01-31 | 1982-05-18 | Tyler Refrigeration Corporation | Open top multiband refrigerated display case |
US4408465A (en) * | 1979-02-14 | 1983-10-11 | Tyler Refrigeration Corporation | Multiband refrigerated display case having a top access opening |
US4245482A (en) * | 1979-03-30 | 1981-01-20 | Tyler Refrigeration Corporation | Glass door merchandiser |
US4369632A (en) * | 1979-12-07 | 1983-01-25 | Tyler Refrigeration Corporation | Refrigerated merchandiser display case |
US4439992A (en) * | 1981-01-21 | 1984-04-03 | Tyler Refrigeration Corporation | Open top refrigerated case with defrost air intake and colliding band air defrost |
US4801180A (en) * | 1983-09-19 | 1989-01-31 | Styles J Cabot | Refrigerated and moisturized produce rack and method for the refrigerated and moisturized display and storage of produce |
US5048303A (en) * | 1990-07-16 | 1991-09-17 | Hill Refrigeration Division Of The Jepson Corporation | Open front refrigerated display case with improved ambient air defrost means |
DE19749971A1 (en) * | 1997-11-05 | 1999-05-06 | Hertel Guenther | Refrigerated goods counter and method for defrosting them |
JP2007183061A (en) * | 2006-01-10 | 2007-07-19 | Sanden Corp | Showcase |
CN203850956U (en) * | 2014-05-09 | 2014-09-24 | 王敏 | Explosion-proof motor housing |
CN204007274U (en) * | 2014-09-01 | 2014-12-10 | 浙江神彩散热器有限公司 | A kind of fin for radiator |
-
2014
- 2014-12-23 ES ES201431919A patent/ES2535685B1/en not_active Expired - Fee Related
-
2015
- 2015-09-08 ES ES15382442.0T patent/ES2658295T3/en active Active
- 2015-09-08 PT PT153824420T patent/PT3037022T/en unknown
- 2015-09-08 PL PL15382442T patent/PL3037022T3/en unknown
- 2015-09-08 EP EP15382442.0A patent/EP3037022B1/en active Active
- 2015-09-10 US US14/849,712 patent/US20160174735A1/en not_active Abandoned
-
2018
- 2018-02-08 HR HRP20180245TT patent/HRP20180245T1/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967404A (en) * | 1958-02-26 | 1961-01-10 | C V Hill & Company Inc | Refrigerated display case |
US4514988A (en) * | 1979-02-14 | 1985-05-07 | Tyler Refrigeration Corporation | Refrigerated display case having ambient air defrost |
USRE31909E (en) * | 1979-02-14 | 1985-06-11 | Tyler Refrigeration Corporation | Refrigerated display case having ambient air defrost |
US4577467A (en) * | 1984-10-30 | 1986-03-25 | Tyler Refrigeration Corporation | Frost diffusion system for refrigeration apparatus |
US7051545B2 (en) * | 2001-08-09 | 2006-05-30 | Sauter Ronald W | Refrigerated display case automatic cleaning system and method |
US20100050665A1 (en) * | 2007-08-13 | 2010-03-04 | B/E Aerospace, Inc. | Method and apparatus for maintaining a uniform temperature in a refrigeration system |
US9427097B2 (en) * | 2014-05-22 | 2016-08-30 | Hill Phoenix, Inc. | Refrigeration control using a door handle proximity sensor |
Also Published As
Publication number | Publication date |
---|---|
EP3037022A1 (en) | 2016-06-29 |
PL3037022T3 (en) | 2018-04-30 |
PT3037022T (en) | 2018-02-01 |
ES2535685A1 (en) | 2015-05-13 |
HRP20180245T1 (en) | 2018-03-23 |
ES2658295T3 (en) | 2018-03-09 |
EP3037022B1 (en) | 2017-11-08 |
ES2535685B1 (en) | 2015-09-30 |
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