CN104188519A - Boiler structure for coffee machine - Google Patents
Boiler structure for coffee machine Download PDFInfo
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- CN104188519A CN104188519A CN201410407084.0A CN201410407084A CN104188519A CN 104188519 A CN104188519 A CN 104188519A CN 201410407084 A CN201410407084 A CN 201410407084A CN 104188519 A CN104188519 A CN 104188519A
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Abstract
The invention relates to the technical field of boilers, and discloses a boiler structure for a coffee machine. The boiler structure comprises a boiler body, an electric heater is arranged at the bottom of the boiler body, a water injection pipe and a drainage pipe are further arranged on the side wall of the boiler body, an inner container is further arranged in the boiler body, the open end of the inner container extends out of the boiler body from the upper end of the boiler body, a connecting seat is arranged at the open end of the inner container and provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the inner container, and the water injection pipe and the drainage pipe are communicated with the water inlet and the water outlet respectively; an electromagnetic valve controlling flowing and stopping of water flow is further arranged on the connecting seat, the connecting seat is detachably connected with the boiler body, a ceramic layer is arranged on the inner wall of the inner container, the boiler body is sealed, and heat conducting water is arranged in the boiler body. The boiler structure has the advantages that incrustation can be conveniently removed, water quality is good, and taste of made coffee is good.
Description
Technical field
The present invention relates to boiler technology field, relate in particular to a kind of boiler for coffee maker structure.
Background technology
At present, coffee is more and more subject to liking of compatriots, the use of various coffee machines is also more and more universal, the kind of coffee is a lot, coffee needs water to brew, mouthfeel after coffee brewing is subject to water quality, the impact of water boiling implement, this just with make tea the same, the quality of millet paste is subject to the impact of water quality and water cooking appliance, conventionally coffee water all adopts special boiler to boil water, then for infusing coffee, boiler uses for a long time and can produce incrustation scale, incrustation scale accumulates on boiler inner wall, will form scale crust at boiler inner wall, scale crust can cause boiler inner wall local heating inequality and cause blast, there is great potential safety hazard, therefore need periodic cleaning incrustation scale, boiler internal complex structure, outer wall good seal performance, the workload of cleaning incrustation scale is very large, even need whole coffee machine regularly to return factory's descale maintenance, and heater strip in boiler directly contacts with water, in a lot of metal materials, all contain tin, the plumbous material that waits, metallic atom (especially tin atom in heater strip, lead atom) heating after can escape in water, endanger and obviously can produce human body with this kind of bubble coffee, also can affect the mouthfeel of coffee, in general the water making coffee or make tea will be separated with ironware as much as possible.
Chinese patent Granted publication number: CN201701044U, January 12 2011 Granted publication day, a kind of coffee machine boiler is disclosed, comprise pot body and and pot cover, pot body is opening down seals with pot cover the cavity that is combined to form a sealing, in this cavity, be provided with electrothermal tube, pot body and pot cover are aluminium pot and the aluminum pot lids that adopts extruder to make, and pot body is connected by helicitic texture with pot cover.This kind of boiler structure has novel structure, makes simple and safe and reliable feature, greatly reduces cost.Its weak point is that boiler uses generation incrustation scale to be difficult to cleaning for a long time, incrustation scale accumulates on boiler inner wall can bring potential safety hazard, electrothermal tube directly contacts with drinking-water simultaneously, tin atom in electrothermal tube, lead atom can enter in water affects health, and the water of simultaneously infusing coffee and Metal Contact can affect the mouthfeel of infusing coffee.
Summary of the invention
The present invention easily gathers incrustation scale in order to overcome boiler inner wall of the prior art, incrustation scale cleaning trouble, there is potential safety hazard, in boiler, heating tube directly contacts with water simultaneously, while causing the poach coffee after heating, affect the deficiency of mouthfeel, a kind of difficult generation incrustation scale is provided, and incrustation scale cleaning is convenient, can ensure the boiler for coffee maker structure that water quality is good.
To achieve these goals, the present invention adopts following technical scheme:
A kind of boiler for coffee maker structure, comprise boiler body, described boiler body bottom is provided with electric heater, boiler body sidewall is also provided with water injection pipe and drainpipe, in described boiler body, be also provided with inner bag, the openend of inner bag stretches out boiler body from boiler body upper end, the openend of described inner bag is provided with Connection Block, Connection Block is provided with the inlet opening being communicated with inner bag, apopore, water inlet pipe, outlet pipe respectively with inlet opening, apopore is communicated with, on Connection Block, be also provided with the magnetic valve of controlling current break-make, between Connection Block and boiler body, removably connect, the inwall of described inner bag is provided with ceramic layer, described boiler body is closed state, in boiler body, be provided with heat-conductive water.
Electric heater heats the heat-conductive water in boiler body, and the water of infusing coffee enters inner bag from water inlet pipe, heat-conductive water passes to inner bag heat, thereby the water in inner bag is heated, because the heat-conductive water in boiler is constant, without what change, therefore its inner amount of scale is few, boiler body inwall can not gather incrustation scale, the drinking water inner bag of constantly flowing through, after heating, discharge and infuse coffee, incrustation scale can accumulate on inner bag, but removably connect between inner bag and boiler body, coffee machine is directly changed inner bag after using a period of time, and do not need whole boiler depot repair descale, inner bag inwall is provided with ceramic layer simultaneously, ceramic layer can slow down the cycle that incrustation scale adheres on the one hand, reduce incrustation scale cleaning frequency, to play buffer action on the other hand, prevent that drinking water from directly contacting with inner bag inwall, in order to improve thermal conductivity, inner bag is all made up of copper product, if drinking water directly contacts with copper product in heating process, lead in copper product, the harmful substances such as tin can enter in water, long-term drinking can work the mischief to human body, can affect water quality simultaneously, affect the mouthfeel of coffee, and ceramic layer prevents that drinking water from directly contacting with inner bag, increase water quality, ensure that coffee brewing mouthfeel is good.
As preferably, described boiler body upper end is also provided with liquid level gauge, and the liquid level of described heat-conductive water is the 1/2-2/3 of boiler body total height.Liquid level gauge is used for measuring the liquid level of the heat-conductive water in boiler body, when liquid level is too low, pass through water injection pipe water filling, after heat-conductive water heating, can produce steam, the lower part of inner bag contacts with heat-conductive water, upper part contacts with steam, after steam contacts with inner bladder outer wall, heat is passed to the drinking water in inner bag, steam condenses into water droplet in inner bladder outer wall inflow heat-conductive water simultaneously, thereby formation water steam, endlessly inner bag is carried out to heat exchange, the sport efficiency of steam is higher than the sport efficiency of aqueous water, equal quality, heat in the steam of equal temperature is also many than water, therefore in this structure, the heat exchange between steam and inner bag is higher than the heat exchanger effectiveness between water and inner bag, thereby shorten the heat time of drinking water.
As preferably, the top of described boiler body is also provided with pressure-regulating valve.Regulate the maximum pressure in boiler body by pressure-regulating valve, thereby can control the boiling point of water, when pressure is greater than standard pressure, the boiling point of water can be higher than 100 degree, thereby can shorten the water heat time in inner bag, improve the efficiency of heating surface.
As preferably, in described Connection Block, be provided with the inner chamber that runs through Connection Block, the inner of described inner chamber and inner bag coaxial communication, the outer end of inner chamber is provided with sealing bolt, in described inner chamber, be also provided with coaxial mozzle, between described mozzle and inner chamber chamber wall, form annular gap, described inlet opening is communicated with annular gap, described apopore is communicated with mozzle, described magnetic valve is arranged on Connection Block side, described apopore outer end is communicated with one of them connecting hole on magnetic valve, and on magnetic valve, another connecting hole is communicated with outlet pipe.Mozzle plays guide functions to the water in inner bag, extends water and enters the last path of discharging of inner bag from water inlet pipe, ensures that drinking water can be heated fast; In the time that needs are cleared up inner chamber, only need to dismantle lower seal bolt and can clean, clean very convenient.
As preferably, described mozzle and the junction of apopore were provided with filter ruffle.Crossing filter ruffle can filter the impurity in drinking water, prevents that impurity from entering in magnetic valve and then causing magnetic valve sealing to reduce.
As preferably, the inner chamber chamber wall of Connection Block is provided with ceramic layer, and described water inlet pipe is communicated with inner chamber through inlet opening.Ceramic layer is also the generation in order to slow down incrustation scale, prevents that drinking water from directly contacting with Connection Block, plays buffer action simultaneously.
As preferably, described Connection Block and the junction of magnetic valve are provided with thermal insulation board, and described thermal insulation board is made up of PEEK plastic cement, and thermal insulation board is provided with dodges hole, and described thermal insulation board one side is dodged the hole formation isolated tube that stretches out, and described isolated tube stretches in apopore.Water after heating can pass to Connection Block heat, and Connection Block itself has higher temperature, and thermal insulation board can prevent that heat from passing to magnetic valve, thereby magnetic valve is played a protective role, and isolated tube is in order to prevent that drinking water from contacting with the hole wall of apopore.
As preferably, described boiler body upper end is provided with adapter sleeve, between the lower end of adapter sleeve and boiler body, be welded to connect, the upper end of adapter sleeve is provided with lower flange, the lower end of described Connection Block is provided with upper flange, and between lower flange and upper flange, bolt is connected, and the openend of described inner bag outwards turnover extends to form baffle ring, between described baffle ring outer end downside and the end face of lower flange, be provided with rubber seal, between described baffle ring and lower flange end face, be provided with metallic support cover.When need to clear up in inner bag incrustation scale time, directly whole inner bag, Connection Block are unloaded to replacing, ensure the continuous use of coffee machine, rubber seal plays sealing effectiveness, metallic support cover is played a supporting role to baffle ring downside, cause baffle ring and lower flange end clearance to increase during when expanded by heating, metallic support cover can regulate this gap, thereby ensures the end face gluing, sealing of baffle ring upper side and upper flange.
As preferably, the cross section of described metallic support cover is V-shaped, and one end of metallic support cover extends to form locating ring.The deformation of metallic support cover pressurized, V-arrangement both sides seal with upper flange, lower flange end contact respectively.
Therefore, the present invention has following beneficial effect: (1) slows down adhering to of incrustation scale, extends incrustation scale cleaning cycle; (2) incrustation scale cleaning is convenient, directly changes inner bag, and coffee machine, without depot repair, ensures that coffee machine uses continuously; (3) greatly reduce the contact area of the copper product of drinking water and inner bag, Connection Block inside, preventing that the multiple harmful substances such as tin, lead in copper product from entering in water affects health, prevents drinking water and Metal Contact heating and affects mouthfeel.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the syndeton schematic diagram of inner bag and boiler body in the present invention.
Fig. 3 is the explosive view of inner bag, Connection Block in the present invention.
Fig. 4 is the local enlarged diagram in A place in Fig. 2.
Fig. 5 is the local enlarged diagram in B place in Fig. 2.
Fig. 6 is the cutaway view of Connection Block in this structure.
In figure: 7 apopore 8 water inlet pipe 9 outlet pipe 10 magnetic valve 11 heat-conductive water 12 liquid level gauge 13 mozzle 14 annular gaps 15, boiler body 1 electric heater 2 water injection pipe 3 drainpipe 4 inner bag 5 Connection Block 6 inlet opening are crossed filter ruffle 16 thermal insulation board 17 isolated tube 18 adapter sleeve 19 lower flange 20 upper flange 21 rubber seal 22 metallic support and overlapped 23 locating ring 24 pressure-regulating valve 25 baffle ring 51 inner chamber 61 sealing bolts 62
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of boiler for coffee maker structure as depicted in figs. 1 and 2, comprise boiler body 1, boiler body bottom is provided with electric heater 2, boiler body sidewall is also provided with water injection pipe 3 and drainpipe 4, boiler body 1 upper end is also provided with liquid level gauge 13, the top of boiler body 1 is provided with pressure-regulating valve 25, in boiler body, be also provided with inner bag 5, boiler body 1 upper end is provided with adapter sleeve 19, between the lower end of adapter sleeve and boiler body, be welded to connect, the upper end of adapter sleeve is provided with lower flange 20, the openend of inner bag stretches out boiler body in the adapter sleeve of boiler body upper end, the openend of inner bag is provided with Connection Block 6, the lower end of Connection Block is provided with upper flange 21, between lower flange and upper flange, bolt is connected, as shown in Figure 6, Connection Block is provided with the inlet opening 7 being communicated with inner bag, apopore 8, water inlet pipe 9, outlet pipe 10 respectively with inlet opening, apopore is communicated with, on Connection Block, be also provided with the magnetic valve 11 of controlling current break-make, between Connection Block and boiler body, removably connect, the inwall of inner bag 5 is provided with ceramic layer, boiler body is closed state, in boiler body, be provided with heat-conductive water 12, the liquid level of heat-conductive water is 1/2 of boiler body total height.
Injected water in from water injection pipe to boiler body, when liquid level reach boiler body 1/2 time stop water filling, then remaining air in boiler body is released, make in boiler body in negative pressure state, electric heater heats the heat-conductive water in boiler body, the pressure setting to two of a pressure-regulating valve atmospheric pressure, heat-conductive water adds thermosetting steam, because original state is negative pressure state, the boiling point of water is lower, can increase the density of steam simultaneously, part water becomes steam fast, along with the increase of steam, boiler body internal pressure increases, until pressure reaches two standard atmospheric pressures, under this pressure, the boiling point of water is 120 degrees Celsius, the drinking water of infusing coffee enters inner bag from water inlet pipe, the lower part of inner bag contacts with heat-conductive water, upper part contacts with steam, after steam contacts with inner bladder outer wall, heat is passed to the drinking water in inner bag, steam condenses into water droplet in inner bladder outer wall inflow heat-conductive water simultaneously, thereby formation water steam, endlessly inner bag is carried out to heat exchange, the sport efficiency of steam is higher than the sport efficiency of aqueous water, equal quality, heat in the steam of equal temperature is also many than water, therefore in this structure, the heat exchange between steam and inner bag is higher than the heat exchanger effectiveness between water and inner bag, thereby shorten the heat time of drinking water, due to the heat-conductive water in boiler be constant, without what change, therefore its inner amount of scale is few, boiler body inwall can not gather incrustation scale, boiler uses safety, stable, the drinking water inner bag of constantly flowing through, after heating, discharge and infuse coffee, incrustation scale can accumulate on inner bag, but removably connect between inner bag and boiler body, coffee machine is directly changed inner bag after using a period of time, and do not need whole boiler depot repair descale, inner bag inwall is provided with ceramic layer simultaneously, ceramic layer can slow down the cycle that incrustation scale adheres on the one hand, reduce incrustation scale cleaning frequency, to play buffer action on the other hand, prevent that drinking water from directly contacting with inner bag inwall, in order to improve thermal conductivity, inner bag is all made up of copper product, if drinking water directly contacts with copper product in heating process, lead in copper product, the harmful substances such as tin can enter in water, long-term drinking can work the mischief to human body, can affect water quality simultaneously, affect the mouthfeel of coffee, and ceramic layer prevents that drinking water from directly contacting with inner bag, increase water quality, ensure that coffee brewing mouthfeel is good.
As shown in Figure 6, in Connection Block 6, be provided with the inner chamber 61 that runs through Connection Block, the inner of inner chamber and inner bag coaxial communication, the outer end of inner chamber is provided with sealing bolt 62, in described inner chamber, be also provided with coaxial mozzle 14, between mozzle and inner chamber chamber wall, form annular gap 15, inlet opening is communicated with annular gap, apopore is communicated with mozzle, the inner chamber chamber wall of Connection Block 6 is provided with ceramic layer, water inlet pipe is communicated with inner chamber through inlet opening, magnetic valve 11 is arranged on Connection Block side, apopore outer end is communicated with one of them connecting hole on magnetic valve, on magnetic valve, another connecting hole is communicated with outlet pipe, mozzle 14 was provided with filter ruffle 16 with the junction of apopore, as shown in Figure 3 and Figure 4, Connection Block 6 is provided with thermal insulation board 17 with the junction of magnetic valve, thermal insulation board is made up of PEEK plastic cement, thermal insulation board is provided with dodges hole, thermal insulation board one side dodge hole stretch out form isolated tube 18, isolated tube stretches in apopore.
As shown in Figure 5, the openend of inner bag outwards turnover extends to form baffle ring 51, between baffle ring outer end downside and the end face of lower flange, be provided with rubber seal 22, between baffle ring and lower flange end face, be provided with metallic support cover 23, the cross section of metallic support cover 23 is V-shaped, one end of metallic support cover extends to form locating ring 24, inner bag, Connection Block is all metalwork, in the time that boiler starts to heat, now difference variation maximum, thermal expansion influence maximum, cause baffle ring and lower flange end clearance to increase during when expanded by heating, metallic support cover can regulate this gap, thereby ensure the end face gluing, sealing of baffle ring upper side and upper flange, prevent from leaking.
In this structure, the inner chamber of inner bag, Connection Block separates by ceramic layer and water, the hole wall of inlet opening, apopore is kept apart by water inlet pipe, isolated tube and water respectively, water is discharged after water inlet pipe enters inner bag from outlet pipe, the contact-making surface of water and copper product reduces more than 90%, thereby effectively prevents that the poisonous metal such as lead, tin in copper ion and copper product from entering in water, ensures drinking water safety, ensure that water quality is good, the coffee mouthfeel brewing is good simultaneously; Incrustation scale is difficult for gathering on ceramic layer surface, extends the cycle of cleaning incrustation scale, in the time that needs clean incrustation scale, only need to change inner bag, without coffee machine depot repair scale removal.Therefore, the present invention has following beneficial effect: (1) slows down adhering to of incrustation scale, extends incrustation scale cleaning cycle; (2) incrustation scale cleaning is convenient, directly changes inner bag, and coffee machine, without depot repair, ensures that coffee machine uses continuously; (3) greatly reduce the contact area of the copper product of drinking water and inner bag, Connection Block inside, preventing that the multiple harmful substances such as tin, lead in copper product from entering in water affects health, prevents drinking water and Metal Contact heating and affects mouthfeel.
Claims (9)
1. a boiler for coffee maker structure, comprise boiler body (1), described boiler body bottom is provided with electric heater (2), boiler body sidewall is also provided with water injection pipe (3) and drainpipe (4), it is characterized in that, in described boiler body, be also provided with inner bag (5), the openend of inner bag stretches out boiler body from boiler body upper end, the openend of described inner bag is provided with Connection Block (6), Connection Block is provided with the inlet opening (7) being communicated with inner bag, apopore (8), water inlet pipe (9), outlet pipe (10) respectively with inlet opening, apopore is communicated with, on Connection Block, be also provided with the magnetic valve (11) of controlling current break-make, between Connection Block and boiler body, removably connect, the inwall of described inner bag (5) is provided with ceramic layer, described boiler body is closed state, in boiler body, be provided with heat-conductive water (12).
2. a kind of boiler for coffee maker structure according to claim 1, is characterized in that, described boiler body (1) upper end is also provided with liquid level gauge (13), and the liquid level of described heat-conductive water is the 1/2-2/3 of boiler body total height.
3. a kind of boiler for coffee maker structure according to claim 1 and 2, is characterized in that, the top of described boiler body (1) is also provided with pressure-regulating valve (25).
4. a kind of boiler for coffee maker structure according to claim 1, it is characterized in that, in described Connection Block (6), be provided with the inner chamber (61) that runs through Connection Block, the inner of described inner chamber and inner bag coaxial communication, the outer end of inner chamber is provided with sealing bolt (62), in described inner chamber, be also provided with coaxial mozzle (14), between described mozzle and inner chamber chamber wall, form annular gap (15), described inlet opening is communicated with annular gap, described apopore is communicated with mozzle, described magnetic valve (11) is arranged on Connection Block side, described apopore outer end is communicated with one of them connecting hole on magnetic valve, on magnetic valve, another connecting hole is communicated with outlet pipe.
5. a kind of boiler for coffee maker structure according to claim 4, is characterized in that, described mozzle (14) was provided with filter ruffle (16) with the junction of apopore.
6. a kind of boiler for coffee maker structure according to claim 4, is characterized in that, the inner chamber chamber wall of Connection Block (6) is provided with ceramic layer, and described water inlet pipe is communicated with inner chamber through inlet opening.
7. according to a kind of boiler for coffee maker structure described in claim 4 or 5 or 6, it is characterized in that, described Connection Block (6) is provided with thermal insulation board (17) with the junction of magnetic valve, described thermal insulation board is made up of PEEK plastic cement, thermal insulation board is provided with dodges hole, described thermal insulation board one side dodge hole stretch out form isolated tube (18), described isolated tube stretches in apopore.
8. a kind of boiler for coffee maker structure according to claim 1, it is characterized in that, described boiler body (1) upper end is provided with adapter sleeve (19), between the lower end of adapter sleeve and boiler body, be welded to connect, the upper end of adapter sleeve is provided with lower flange (20), the lower end of described Connection Block is provided with upper flange (21), between lower flange and upper flange, bolt is connected, the openend of described inner bag outwards turnover extends to form baffle ring (51), between described baffle ring outer end downside and the end face of lower flange, be provided with rubber seal (22), between described baffle ring and lower flange end face, be provided with metallic support cover (23).
9. a kind of boiler for coffee maker structure according to claim 8, is characterized in that, the cross section of described metallic support cover (23) is V-shaped, and one end of metallic support cover extends to form locating ring (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407084.0A CN104188519B (en) | 2014-08-18 | 2014-08-18 | A kind of boiler for coffee maker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407084.0A CN104188519B (en) | 2014-08-18 | 2014-08-18 | A kind of boiler for coffee maker structure |
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| Publication Number | Publication Date |
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| CN104188519A true CN104188519A (en) | 2014-12-10 |
| CN104188519B CN104188519B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410407084.0A Expired - Fee Related CN104188519B (en) | 2014-08-18 | 2014-08-18 | A kind of boiler for coffee maker structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017108554A1 (en) * | 2015-12-23 | 2017-06-29 | Koninklijke Philips N.V. | Heater assembly for use in a domestic appliance |
| CN108024660A (en) * | 2015-09-18 | 2018-05-11 | 弗兰卡凯菲马斯池因股份公司 | It is used to prepare the brewing apparatus of hot beverage |
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| US6286416B1 (en) * | 1999-04-08 | 2001-09-11 | U.S. Philips Corporation | Coffee-making apparatus |
| CN201005526Y (en) * | 2006-12-22 | 2008-01-16 | 李镇西 | Double layer heat preservation ceramic inner container of the drinking machine |
| CN201129845Y (en) * | 2007-11-19 | 2008-10-08 | 安阳方快锅炉有限公司 | Porcelain enamel inner container boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108024660A (en) * | 2015-09-18 | 2018-05-11 | 弗兰卡凯菲马斯池因股份公司 | It is used to prepare the brewing apparatus of hot beverage |
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| CN108430283A (en) * | 2015-12-23 | 2018-08-21 | 皇家飞利浦有限公司 | Heater assembly for household electrical appliance |
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| CN104188519B (en) | 2017-10-27 |
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Granted publication date: 20171027 Termination date: 20190818 |