CN113384146A - Extraction mechanism reaches coffee machine including it - Google Patents
Extraction mechanism reaches coffee machine including it Download PDFInfo
- Publication number
- CN113384146A CN113384146A CN202010169123.3A CN202010169123A CN113384146A CN 113384146 A CN113384146 A CN 113384146A CN 202010169123 A CN202010169123 A CN 202010169123A CN 113384146 A CN113384146 A CN 113384146A
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- China
- Prior art keywords
- extraction
- extraction chamber
- powder
- compactor
- chamber
- 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.)
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- 238000000605 extraction Methods 0.000 title claims abstract description 155
- 230000007246 mechanism Effects 0.000 title claims abstract description 94
- 239000000843 powder Substances 0.000 claims abstract description 83
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 abstract description 9
- 238000005056 compaction Methods 0.000 abstract description 8
- 238000011065 in-situ storage Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/42—Beverage-making apparatus with incorporated grinding or roasting means for coffee
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
- A47J31/404—Powder dosing devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
Abstract
The invention discloses an extraction mechanism and a coffee machine comprising the same, wherein the extraction mechanism comprises an extraction chamber, an extraction cavity is arranged in the extraction chamber, the extraction chamber is connected below a powder outlet, and the extraction cavity is communicated with the powder outlet; the ejection mechanism and the compactor are connected into the extraction chamber from the side and are arranged in a relatively moving mode to compress or release a space inside the extraction chamber, and the relative moving direction of the ejection mechanism and the compactor is crossed with the powder discharging direction from the powder outlet to the extraction chamber. In the extraction mechanism, the ground powder can be directly transferred into the extraction chamber, so that the generation of flying powder is reduced, and the cleanness of the machine after long-time operation is ensured. Meanwhile, the whole machine is subjected to powder receiving, compaction and slag discharging in situ, an additional motion mechanism is not needed to move the extraction chamber, and the cost is saved.
Description
Technical Field
The invention relates to an extraction mechanism and a coffee machine comprising the same.
Background
At present, the market of the coffee machine is developing vigorously, and the demand of the mass consumption on the coffee machine is more and more intense. Particularly, the full-automatic coffee machine slowly enters the families of ordinary people, the life quality of people is greatly improved, but the cleaning problem of the coffee machine is an important problem which troubles the existing coffee machine.
The extraction mechanism is used as the most important module in the coffee machine, the problem of cleaning the extraction mechanism is always very large, the coffee machines which are mainstream in the market at present are vertically arranged, namely, the upper part of the extraction chamber is provided with a compactor, the lower part of the extraction chamber is provided with an ejection mechanism, when powder is received, the whole extraction chamber needs to be moved to the position below the powder outlet, and after the powder is received, the extraction chamber is moved to the position below the compactor, so that the whole operation is realized. However, because the coffee powder is lighter, a large amount of residual powder often still exists in the powder channel after grinding is completed, and in the extraction process, because the vibration of the whole machine can drop, a large amount of residues can not be removed in the machine after long-time operation, and the experience of the whole machine is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects that in the prior art, an extraction mechanism needs to move between a powder outlet and a compactor, a large amount of residues in the machine cannot be removed, too many movement mechanisms are needed, and the cost is high, and provides the extraction mechanism and the coffee machine comprising the same.
The invention solves the technical problems through the following technical scheme:
an extraction mechanism, characterized in that the extraction mechanism comprises:
the grinding mechanism is provided with a powder outlet;
the extraction chamber is internally provided with an extraction cavity, is connected below the powder outlet and is communicated with the powder outlet;
the ejection mechanism and the compactor are connected into the extraction chamber from the side and are arranged in a relatively moving mode to compress or release a space inside the extraction chamber, and the relative moving direction of the ejection mechanism and the compactor is crossed with the powder discharging direction from the powder outlet to the extraction chamber.
In the extraction mechanism of the invention, the extraction chamber is located directly below the grinding mechanism and the compaction of the interior of the extraction chamber is carried out in situ. Therefore, not only the powder ground by the grinding mechanism directly enters the lower extraction cavity from the powder outlet, but also the powder falling in vibration directly enters the extraction cavity, so that the powder is not scattered. The relative movement direction of the ejection mechanism and the compactor and the powder outlet direction from the powder outlet to the extraction chamber are arranged in a crossed manner, so that the movement paths of the powder receiving flow and the compacting flow (or the slag discharge flow) are not overlapped, and the work of the respective flows can be ensured without moving the extraction chamber.
Therefore, in the extraction mechanism, the ground powder can be directly transferred into the extraction chamber, so that the generation of flying powder is reduced, and the cleanness of the machine after long-time operation is ensured. Meanwhile, the whole machine is subjected to powder receiving, compaction and slag discharging in situ, an additional motion mechanism is not needed to move the extraction chamber, and the cost is saved.
Preferably, the relative movement direction of the ejection mechanism and the compactor is perpendicular to the powder discharging direction from the powder outlet to the extraction chamber. Namely, the extraction chamber is transversely arranged, the compactor is positioned at one side of the extraction chamber, and the ejection mechanism is positioned at the other side of the extraction chamber.
Preferably, the extraction chamber is connected with the powder outlet in a sealing manner through a connecting pipeline. The path from the powder outlet to the extraction chamber can be completely sealed through the connecting pipeline, and the generation of flying powder is thoroughly avoided. Furthermore, since the extraction mechanism of the present invention does not need to be moved between the powder outlet and the compactor, provision is made for connecting conduits.
Preferably, the connecting pipe is in an inverted cone shape with a large upper part and a small lower part. The inverted conical shape facilitates the gathering and transportation of the powder. Other shapes may be provided in other embodiments.
Preferably, the upper end of the connecting pipeline is connected to the lower end face of the grinding mechanism through a connecting plate, the extraction chamber is provided with a cylinder body communicated with the extraction cavity, and the cylinder body is sleeved at the lower end of the connecting pipeline. Therefore, the upper end and the lower end of the connecting pipeline are connected, so that the connecting pipeline fully seals gaps at all positions, and powder flying is avoided.
Preferably, the ejection mechanism and the compactor are slidably connected in the extraction chamber, and the ejection mechanism and the compactor are slidably connected with the inner wall of the extraction chamber in a sealing manner.
Preferably, the interior of the compactor is provided with a water inlet channel, one end of the water inlet channel is communicated with the extraction cavity, and the other end of the water inlet channel is communicated with the outside.
Preferably, a water inlet is arranged above the extraction chamber, and the water inlet channel is communicated with the water inlet through an external pipeline. The outside water inlet sets up in extraction room top for the inside separation setting of outside water inlet and compactor avoids wet compactor to be stained with and forms the dirt after the powder.
Preferably, a through liquid outlet hole is formed in the extraction chamber, a liquid outlet channel is formed in the ejection mechanism, one end of the liquid outlet channel is communicated with the extraction cavity, and the other end of the liquid outlet channel is aligned and communicated with the liquid outlet hole at a liquid outlet position. The extracted liquid is pressed out from the liquid outlet channel.
Preferably, the liquid outlet channel is L-shaped and comprises a horizontal end and a vertical end, the horizontal end is communicated with the extraction cavity, and the vertical end is aligned with and communicated with the liquid outlet hole.
Preferably, the extraction chamber is cylindrical, and the ejection mechanism and the compactor are slidably connected in the extraction chamber along the axial direction of the extraction chamber.
A coffee machine characterized in that it comprises said extraction mechanism.
The positive progress effects of the invention are as follows: in the extraction mechanism, the ground powder can be directly transferred into the extraction chamber, so that the generation of flying powder is reduced, and the cleanness of the machine after long-time operation is ensured. Meanwhile, the whole machine is subjected to powder receiving, compaction and slag discharging in situ, an additional motion mechanism is not needed to move the extraction chamber, and the cost is saved.
Drawings
FIG. 1 is a schematic perspective view illustrating an integrated heat collecting cover according to a preferred embodiment of the present invention.
FIG. 2 is a schematic bottom structure view of the integrated heat collecting cover according to the preferred embodiment of the present invention.
FIG. 3 is a schematic top view illustrating an integrated heat collecting cover according to a preferred embodiment of the present invention.
FIG. 4 is a schematic front view illustrating an integrated heat collecting cover according to a preferred embodiment of the present invention.
FIG. 5 is a schematic cross-sectional view illustrating an integrated heat collecting cover according to a preferred embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1-5, the present embodiment discloses an extraction mechanism, wherein, as shown in fig. 1, the extraction mechanism of the present embodiment includes a grinding mechanism 4, and the grinding mechanism 4 has a powder outlet 41. The grinding mechanism 4 of the present example may be a conventional existing product. The powder outlet 41 of the grinding mechanism 4 is provided facing downward so that the powder falls.
As shown in fig. 1 and fig. 5, the extraction mechanism of the present embodiment includes an extraction chamber 1, an extraction cavity 11 is disposed inside the extraction chamber 1, the extraction chamber 1 is connected below a powder outlet 41, and the extraction cavity 11 is communicated with the powder outlet 41.
As shown in fig. 1, 3 and 4, the extraction mechanism of the present embodiment includes an ejection mechanism 3 and a compactor 2, the ejection mechanism 3 and the compactor 2 are connected to the extraction chamber 1 from the side, and the ejection mechanism 3 and the compactor 2 are relatively movably disposed to compress or release the space inside the extraction chamber 11, wherein the relative movement direction of the ejection mechanism 3 and the compactor 2 is disposed across the powder discharging direction from the powder outlet 41 to the extraction chamber 1. The compactor 2 of the present embodiment may be a conventional existing product, and the existing compactors 2 compacting the powder in the vertical direction may be directly or simply adapted to be used.
In the extraction mechanism of the invention, the extraction chamber 1 is located directly below the grinding mechanism 4 and the compaction of the interior of the extraction chamber 11 is performed in situ. Therefore, not only the powder ground by the grinding mechanism 4 directly enters the extraction chamber 11 below from the powder outlet 41, but also the powder falling down by the vibration directly enters the extraction chamber 11, and is not scattered. The relative movement direction of the ejection mechanism 3 and the compactor 2 is crossed with the powder outlet direction from the powder outlet 41 to the extraction chamber 1, so that the movement paths of the powder receiving flow and the compacting flow (or the slag discharge flow) are not overlapped, and the work of the respective flows can be ensured without moving the extraction chamber 1.
Therefore, in the extraction mechanism, the ground powder can be directly transferred into the extraction chamber 1, so that the generation of flying powder is reduced, and the cleanness of the machine after long-time operation is ensured. Meanwhile, the whole machine is subjected to powder receiving, compaction and slag discharging in situ, an additional motion mechanism is not needed to move the extraction chamber 1, and the cost is saved.
As shown in fig. 1, the relative movement direction of the ejection mechanism 3 and the compactor 2 of the present embodiment is perpendicular to the powder discharging direction from the powder outlet 41 to the extraction chamber 1. I.e. the extraction chamber 1 is arranged laterally, the compactor 2 being located on one side of the extraction chamber 1 (left side in fig. 1) and the ejection mechanism 3 being located on the other side of the extraction chamber 1 (right side in fig. 1).
As shown in fig. 1 and fig. 2, the extraction chamber 1 of the present embodiment is connected to the powder outlet 41 via the connecting pipe 5. The path from the powder outlet 41 to the extraction chamber 1 can be completely sealed by the connecting pipeline 5, and the generation of flying powder is completely avoided. Furthermore, since the extraction mechanism of the present invention does not need to be moved between the powder outlet 41 and the compactor 2, the provision of the connecting duct 5 is provided.
As shown in fig. 1 and 2, the connecting pipe 5 of the present embodiment has an inverted conical shape with a large top and a small bottom. The inverted conical shape facilitates the gathering and transportation of the powder. In other embodiments, the shape may be other, for example, a cylindrical shape.
As shown in fig. 2, the upper end of the connecting pipe 5 of the present embodiment is connected to the lower end surface of the grinding mechanism 4 through a connecting plate 51, the extraction chamber 1 is provided with a cylinder 12 communicated with the extraction chamber 11, and the cylinder 12 is sleeved and connected to the lower end of the connecting pipe 5. Therefore, the upper end and the lower end of the connecting pipeline 5 are connected, so that the connecting pipeline 5 fully seals gaps at all positions, and powder flying is avoided.
As shown in fig. 1, the ejection mechanism 3 and the compactor 2 of the present embodiment are slidably connected in the extraction chamber 1, and the ejection mechanism 3 and the compactor 2 are slidably connected with the inner wall of the extraction chamber 1 in a sealing manner. Wherein, the whole of the ejection mechanism 3 is connected in the extraction chamber 1 in a sliding way, and the compaction part of the compactor 2 is connected in the extraction chamber 1 in a sliding way. The outer surfaces of the ejection mechanism 3 and the compactor 2 are hermetically connected with the inner wall of the extraction chamber 1.
As shown in fig. 1 and 3, the compactor 2 of the present embodiment is provided with a water inlet passage 21 inside, one end (the end shown in fig. 1) of the water inlet passage 21 is communicated with the extraction chamber 11, and the other end (the end shown in fig. 3) of the water inlet passage 21 is communicated with the outside.
The extraction chamber 1 of this embodiment is provided with a water inlet (not shown in the figure, its structure can be the water inlet of current extraction mechanism), and inlet channel 21 is through external pipeline and water inlet intercommunication. The outside water inlet sets up in extraction room 1 top for the inside separation setting of outside water inlet and compactor 2 avoids wet compactor 2 to be stained with and forms the dirt behind the powder.
As shown in fig. 1, fig. 4 and fig. 5, the extraction chamber 1 of the present embodiment is provided with a through liquid outlet hole 13, the ejection mechanism 3 is provided with a liquid outlet channel 31 inside, one end of the liquid outlet channel 31 is communicated with the extraction cavity 11, wherein, in a liquid outlet position, the other end of the liquid outlet channel 31 is aligned with and communicated with the liquid outlet hole 13. The extracted liquid is pressed out from the outlet channel 31.
As shown in fig. 5, the liquid outlet channel 31 of the present embodiment is L-shaped and includes a horizontal end and a vertical end, the horizontal end is connected to the extraction chamber 11, and the vertical end is aligned with and connected to the liquid outlet hole 13. The L-shaped liquid outlet channel 31 can convey the extraction liquid out without damaging the sealing between the ejection mechanism 3 and the inner wall of the extraction chamber 1.
As shown in fig. 1 and 5, the extraction chamber 1 of the present embodiment has a cylindrical shape, and the ejector mechanism 3 and the compactor 2 are slidably connected to the inside of the extraction chamber 1 along the axial direction of the extraction chamber 1. In other embodiments, the extraction chamber 1 may be provided in other alternative shapes.
In operation of the extraction mechanism of this embodiment, the grinding mechanism 4 grinds powder, such as coffee powder, which slides directly into the extraction chamber 1 through the powder outlet 41. At this time, the compacting section of the compactor 2 compresses the powder while the water inlet passage 21 enters water for extraction. The extraction liquid flows out from the liquid outlet channel 31 and the liquid outlet hole 13. When discharging slag, the compactor 2 is withdrawn, and then the slag is pushed out by the ejection mechanism.
The extraction mechanism of the embodiment is suitable for coffee machines, but is not limited to coffee machines, and can also be applied to other fields requiring extraction of powder.
In the extraction mechanism, the ground powder can be directly transferred into the extraction chamber, so that the generation of flying powder is reduced, and the cleanness of the machine after long-time operation is ensured. Meanwhile, the whole machine is subjected to powder receiving, compaction and slag discharging in situ, an additional motion mechanism is not needed to move the extraction chamber, and the cost is saved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (12)
1. An extraction mechanism, comprising:
the grinding mechanism is provided with a powder outlet;
the extraction chamber is internally provided with an extraction cavity, is connected below the powder outlet and is communicated with the powder outlet;
the ejection mechanism and the compactor are connected into the extraction chamber from the side and are arranged in a relatively moving mode to compress or release a space inside the extraction chamber, and the relative moving direction of the ejection mechanism and the compactor is crossed with the powder discharging direction from the powder outlet to the extraction chamber.
2. The extraction mechanism as claimed in claim 1, wherein the relative movement direction of the ejection mechanism and the compactor is perpendicular to the powder discharge direction from the powder outlet to the extraction chamber.
3. The extraction mechanism as claimed in claim 1, wherein the extraction chamber is connected with the powder outlet in a closed manner through a connecting pipeline.
4. The extraction mechanism according to claim 3, wherein the connecting pipe is in the shape of an inverted cone with a large upper part and a small lower part.
5. The extraction mechanism as claimed in claim 3, wherein the upper end of the connecting pipe is connected to the lower end face of the grinding mechanism through a connecting plate, the extraction chamber is provided with a cylinder body communicated with the extraction chamber, and the cylinder body is sleeved on the lower end connected to the connecting pipe.
6. The extraction mechanism according to claim 1, wherein the ejection mechanism and the compactor are slidably connected within the extraction chamber, and wherein the ejection mechanism and the compactor are slidably connected in a sealing manner with the inner wall of the extraction chamber.
7. The extraction mechanism as claimed in claim 1, wherein the interior of the compactor is provided with a water inlet channel, one end of the water inlet channel is communicated with the extraction chamber, and the other end of the water inlet channel is communicated with the outside.
8. The extraction mechanism as claimed in claim 7, wherein a water inlet is provided above the extraction chamber, and the water inlet channel is communicated with the water inlet through an external pipeline.
9. The extraction mechanism as claimed in claim 1, wherein said extraction chamber is provided with a liquid outlet hole therethrough, said ejection mechanism is internally provided with a liquid outlet channel, one end of said liquid outlet channel is communicated with said extraction chamber, and wherein, in a liquid outlet position, the other end of said liquid outlet channel is aligned with and communicated with said liquid outlet hole.
10. The extraction mechanism as claimed in claim 9, wherein said exit channel is L-shaped and includes a horizontal end in communication with said extraction chamber and a vertical end aligned with and in communication with said exit aperture.
11. The extraction mechanism according to any one of claims 1 to 10, wherein the extraction chamber is cylindrical in shape, and the ejection mechanism and the compactor are slidably connected to the extraction chamber along the axial direction of the extraction chamber.
12. A coffee machine characterized in that it comprises an extraction mechanism according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010169123.3A CN113384146A (en) | 2020-03-12 | 2020-03-12 | Extraction mechanism reaches coffee machine including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010169123.3A CN113384146A (en) | 2020-03-12 | 2020-03-12 | Extraction mechanism reaches coffee machine including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113384146A true CN113384146A (en) | 2021-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010169123.3A Pending CN113384146A (en) | 2020-03-12 | 2020-03-12 | Extraction mechanism reaches coffee machine including it |
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| Country | Link |
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| CN (1) | CN113384146A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2165140A (en) * | 1984-09-14 | 1986-04-09 | Franke Ag | Coffee machine |
| EP2080456A1 (en) * | 2008-01-19 | 2009-07-22 | Wu Lian-Bao | Coffee machine and its components |
| CN106419572A (en) * | 2016-11-29 | 2017-02-22 | 宁波夏纳电器有限公司 | Italian coffee machine |
| CN107049025A (en) * | 2017-02-13 | 2017-08-18 | 苏州咖博士咖啡系统科技有限公司 | A kind of brewing unit for coffee machine |
| CN206525942U (en) * | 2016-11-29 | 2017-09-29 | 宁波夏纳电器有限公司 | A kind of coordinated type powder output slot mechanism being located between bean milling device and extraction equipment |
| CN207784946U (en) * | 2017-05-05 | 2018-08-31 | 深圳市芯瑞迪微电子有限公司 | Beverage extracting device |
| CN109124354A (en) * | 2018-08-06 | 2019-01-04 | 上海机商实业有限公司 | Coffee extractor, coffee machine and coffee vending machine |
-
2020
- 2020-03-12 CN CN202010169123.3A patent/CN113384146A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2165140A (en) * | 1984-09-14 | 1986-04-09 | Franke Ag | Coffee machine |
| EP2080456A1 (en) * | 2008-01-19 | 2009-07-22 | Wu Lian-Bao | Coffee machine and its components |
| CN106419572A (en) * | 2016-11-29 | 2017-02-22 | 宁波夏纳电器有限公司 | Italian coffee machine |
| CN206525942U (en) * | 2016-11-29 | 2017-09-29 | 宁波夏纳电器有限公司 | A kind of coordinated type powder output slot mechanism being located between bean milling device and extraction equipment |
| CN107049025A (en) * | 2017-02-13 | 2017-08-18 | 苏州咖博士咖啡系统科技有限公司 | A kind of brewing unit for coffee machine |
| CN207784946U (en) * | 2017-05-05 | 2018-08-31 | 深圳市芯瑞迪微电子有限公司 | Beverage extracting device |
| CN109124354A (en) * | 2018-08-06 | 2019-01-04 | 上海机商实业有限公司 | Coffee extractor, coffee machine and coffee vending machine |
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Application publication date: 20210914 |
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