CN109199088B - Electric cooker and control method thereof - Google Patents
Electric cooker and control method thereof Download PDFInfo
- Publication number
- CN109199088B CN109199088B CN201710532171.2A CN201710532171A CN109199088B CN 109199088 B CN109199088 B CN 109199088B CN 201710532171 A CN201710532171 A CN 201710532171A CN 109199088 B CN109199088 B CN 109199088B
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- pressure cavity
- heating
- pressure
- top cover
- electric
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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
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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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
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/56—Preventing boiling over, e.g. of milk
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
Abstract
The invention provides an electric cooker and a control method thereof. The electric cooker comprises a base, a heating plate, an annular heating sleeve and a top cover, wherein the heating plate is fixed on the base, the lower port of the annular heating sleeve is detachably and hermetically connected to the heating plate, the top cover is detachably and hermetically connected to the upper port of the annular heating sleeve, and a high-pressure cavity is formed among the heating plate, the annular heating sleeve and the top cover; be provided with first electric heating portion in the heating plate, by supreme a plurality of second electric heating portion that are provided with down in the annular heating jacket, be provided with the gas vent on the top cap, still be provided with on the top cap and be used for the intercommunication the gas vent with high pressure cavity's outer pressure relief valve. The electric cooker has the advantages that the user experience is improved, and the taste quality of food materials is improved.
Description
Technical Field
The invention relates to a household appliance, in particular to an electric cooker and a control method thereof.
Background
At present, along with the continuous improvement of people's standard of living, people also require more and more to the quality of diet, rice is as people's daily life's staple food, generally adopts electric rice cooker to heat and evaporate ripe, the electric rice cooker among the prior art is of a great variety, however, the basic structure is similar, like the electric rice cooker that chinese patent No. 201310275498.8 disclosed, including the shell, set up the heating plate in the shell bottom, hold the a kind of deep pot body and the pot cover of setting on the shell, after the pot cover is closed, can seal a kind of deep pot body and form high-pressure cavity, be provided with the air escape valve on the pot cover. However, in the actual use process, the rice in the cooker body is heated and concentrated at the bottom, and the rice is not uniformly heated in the cooker body, so that the rice at the middle upper part and the lower part of the cooker body has different tastes, and the user experience is poor. The invention aims to solve the technical problem of how to design an electric cooker which has good user experience and improves the taste quality of food materials.
Disclosure of Invention
The present invention has been made in view of the above circumstances, and an object thereof is to provide an electric rice cooker and a control method thereof, which can improve user experience of the electric rice cooker and improve taste quality of food materials.
The invention provides an electric cooker which comprises a base, a heating plate, an annular heating sleeve and a top cover, wherein the heating plate is fixed on the base, the lower port of the annular heating sleeve is detachably and hermetically connected to the heating plate, the top cover is detachably and hermetically connected to the upper port of the annular heating sleeve, and a high-pressure cavity is formed among the heating plate, the annular heating sleeve and the top cover; be provided with first electric heating portion in the heating plate, by supreme a plurality of second electric heating portion that are provided with down in the annular heating jacket, be provided with the gas vent on the top cap, still be provided with on the top cap and be used for the intercommunication the gas vent with high pressure cavity's outer pressure relief valve.
Further, still be provided with pressure cavity in the top cap, still be provided with on the top cap and be used for the intercommunication pressure cavity with the first valve of gas vent, be provided with again on the top cap and be used for the intercommunication pressure cavity with the second valve and the check valve of high pressure cavity, the check valve is used for with high-pressure gas in the high pressure cavity carries extremely in the pressure cavity.
Furthermore, a nozzle is arranged on the lower end face of the top cover and used for connecting an outlet of the second valve with the high-pressure cavity.
Further, the top cap lower surface still is provided with and is used for hiding the check valve with the broken bubble apron of pressure relief valve, a plurality of through-holes have been seted up on the broken bubble apron.
Further, the first electric heating part and the second electric heating part are electric heating wires or electromagnetic heaters.
Furthermore, the whole of the annular heating sleeve is of a trapezoidal structure, and the size of the lower port of the annular heating sleeve is larger than that of the upper port of the annular heating sleeve.
Furthermore, the heating device also comprises a ground glass cover, wherein the ground glass cover is detachably arranged on the base and covers the heating plate, the annular heating sleeve and the top cover.
Further, a projection display for projecting an image to the frosted glass cover is arranged on the base.
The invention also provides a control method of the electric cooker, which comprises a heating mode; the heating mode is as follows: after adding rice and water to the high-pressure cavity, first electric heating portion and the whole ohmic heating of a plurality of second electric heating portion for after the temperature rapid heating in the high-pressure cavity reached 100 degrees, first electric heating portion and a plurality of second electric heating portion heat in turn so that the vapor at different positions in the high-pressure cavity drives the grain of rice and rolls, and the continuation heating makes the pressurize of leaking of outer pressure relief valve.
Further, the control method also comprises a seasoning mode; the seasoning mode is as follows: after adding rice and water to high-pressure cavity, and to annotate the additive in the pressure cavity, the whole ohmic heating of first electric heating portion and a plurality of second electric heating portion, make the temperature in the high-pressure cavity heat to 100 degrees after fast, first electric heating portion and a plurality of second electric heating portion heat in turn so that the vapor at different positions in the high-pressure cavity drives the grain of rice and rolls, close the pressure relief valve, continue to heat and make pressure cavity and high-pressure cavity all keep the high pressure state, then, open the pressure relief valve in order to reduce the pressure in the high-pressure cavity, afterwards, open the second valve, utilize pressure cavity high pressure to spout the additive into in the high-pressure cavity.
According to the electric rice cooker and the control method thereof, the bottom and the side are adopted for heating, so that rice grains in the high-pressure cavity are heated more uniformly, all-around uniform heating is realized, and after heating and boiling, the electric heating parts at different parts are sequentially controlled for electrifying and heating, so that water vapor evaporated at different parts in the electric rice cooker can drive the rice grains to roll, convection alternate heating is realized, and uniform heating is facilitated, so that the consistency of rice taste at the upper part and the lower part can be ensured, the user experience of the electric rice cooker is improved, and the taste quality of food materials is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the rice cooker of the present invention;
FIG. 2 is an exploded view of the rice cooker of the present invention;
FIG. 3 is a sectional view of the rice cooker of the present invention;
FIG. 4 is a sectional view of the top cover of the rice cooker of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the electric rice cooker of the present embodiment includes a base 1, a heating plate 2, an annular heating jacket 3 and a top cover 4, wherein the heating plate 2 is fixed on the base 1, a lower port of the annular heating jacket 3 is detachably and hermetically connected to the heating plate 2, the top cover 4 is detachably and hermetically connected to an upper port of the annular heating jacket 3, and a high-pressure cavity 100 is formed among the heating plate 2, the annular heating jacket 3 and the top cover 4; be provided with first electric heating portion (not shown in the figure) in the heating plate 2, be provided with a plurality of second electric heating portion (not shown in the figure) by supreme down in the annular heating jacket 3, be provided with gas vent 41 on the top cap 4, still be provided with on the top cap 4 and be used for the intercommunication gas vent 41 with the outer pressure relief valve 42 of high pressure cavity 100.
In particular, the heating plate 2, the annular heating jacket 3 and the top cover 4 of the electric cooker of the embodiment are assembled together to form a high-pressure cavity 100, rice grains and water are contained in the high-pressure cavity 100, rice grains in the high-pressure cavity 100 are heated through the heating plate 2 and the annular heating sleeve 3, wherein the heating plate 2 can be heated from the bottom, while the annular heating jacket 3 can be heated from the side, so that the rice grains in the high-pressure cavity 100 can be heated in all directions, the rice grains in the high-pressure cavity 100 can be uniformly heated, in the practical use process, after the water in the high-pressure cavity 100 is heated to 100 ℃ for boiling, can utilize first electric heating portion and second electric heating portion to heat in turn, like this, alright in order to form convection current alternate heating in high pressure cavity 100, let the vapor of inside different positions evaporation drive the rice grain and roll, realize the thermally equivalent. Wherein the first and second electric heating parts may be electric heating wires, or electromagnetic heaters.
Further, a pressure cavity 400 is further arranged in the top cover 4, a first valve 46 for communicating the pressure cavity 400 with the exhaust port 41 is further arranged on the top cover 4, a second valve 43 and a check valve 44 for communicating the pressure cavity 400 with the high-pressure cavity 100 are further arranged on the top cover 4, and the check valve 44 is used for conveying high-pressure gas in the high-pressure cavity 100 to the pressure cavity 400. Specifically, in order to effectively improve the user experience and obtain richer and more diversified tastes of rice, the pressure cavity 400 in the top cover 4 can be added with additives (such as vegetable oil, vinegar, fruit juice and the like) through the first valve 46, in the heating process, high-pressure gas in the high-pressure cavity 100 can enter the pressure cavity 400 through the one-way valve 44, the high-pressure steam and the additives in the pressure cavity 400 are fully and uniformly mixed, then, the pressure relief processing is performed on the high-pressure cavity 100 through the external pressure relief valve 42, at the moment, the pressure in the high-pressure cavity 100 is lower than the pressure in the pressure cavity 400, the second valve 43 is opened, the additives are uniformly sprayed into the high-pressure cavity 100 through the high-pressure steam in the pressure cavity 400, and therefore the seasoning or color mixing processing of the rice in the high-pressure cavity 100 is achieved. Preferably, in order to make the additive more uniformly cover the rice in the high pressure chamber 100, the lower end surface of the top cover 4 is provided with a nozzle 45, the nozzle 45 is used for connecting the outlet of the second valve 43 with the high pressure chamber 100, and the spraying range of the additive can be increased through the nozzle 45, so that the rice in the high pressure chamber 100 is uniformly sprayed with the additive. Wherein, the top cap 4 lower surface still is provided with and is used for hiding check valve 44 with the broken bubble apron 40 of bleeder valve 41, broken bubble apron has last a plurality of through-holes (unmarked), because the rice grain is at high-pressure cavity 100 heating processes, the rice water that the rice grain of rice and water mix formation produces the foam easily, broken bubble apron 40 can prevent that the rice water bubble of boiling from plugging up the import of bleeder valve 42 and check valve 44. In addition, the annular heating sleeve 3 is integrally in a trapezoidal structure, the size of the lower port of the annular heating sleeve 3 is larger than that of the upper port of the annular heating sleeve, the made rice is integrally in a trapezoidal structure by adopting the annular heating sleeve 3 in the trapezoidal structure, and trapezoidal rice balls are left on the heating plate 2 after the annular heating sleeve 3 is detached from the heating plate 2, so that rice does not need to be taken out by a user with a spoon, and the user experience is better; in addition, annular heating jacket 3 wholly is the trapezium structure and makes high pressure cavity 100 also be the trapezium structure, and heating plate 2 heating area can heat the more grain of rice in lower part greatly, and the grain of rice that upper portion distributes is less, can make more even heating of rice evaporate ripe.
Still further, the electric cooker also comprises a ground glass cover 5, wherein the ground glass cover 5 is detachably arranged on the base 1 and covers the heating plate 2, the annular heating sleeve 3 and the top cover 4. Specifically, the frosted glass cover 5 made of frosted glass is in a semitransparent or opaque state in a steam-free state, and in the air leakage process of the outer pressure release valve 42, water vapor is filled in the frosted glass cover 5, so that the frosted glass cover 5 is in a transparent state, and the user experience can be improved. Preferably, the base 1 is provided with a projection display for projecting an image to the frosted glass cover 5, and the image projected by the projection display can be displayed through the frosted glass cover 5, so that a liquid crystal screen can be saved, and a better user experience can be obtained.
The invention also provides a control method of the electric cooker, which comprises a heating mode and a seasoning mode.
The heating mode is as follows: after adding rice and water to the high-pressure cavity, the whole ohmic heating of first electric heating portion and a plurality of second electric heating portion for after the temperature rapid heating in the high-pressure cavity reached 100 degrees, first electric heating portion and a plurality of second electric heating portion heat in turn so that the vapor at different positions in the high-pressure cavity drives the grain of rice and rolls, continue to heat and make the pressure release valve pressurize of leaking outward, the high-pressure cavity is in high pressure catalysis state until reaching the settlement time.
The seasoning mode is as follows: after adding rice and water to the high pressure cavity, and to annotate the additive in the pressure cavity, the whole ohmic heating of first electric heating portion and a plurality of second electric heating portion, make the temperature in the high pressure cavity heat to 100 degrees after fast, first electric heating portion and a plurality of second electric heating portion heat in turn so that the vapor at different positions in the high pressure cavity drives the grain of rice and rolls, close the pressure release valve, continue to heat and make pressure cavity and high pressure cavity all keep the high pressure state, then, open the pressure release valve in order to reduce the pressure in the high pressure cavity, afterwards, open the second valve, utilize pressure cavity high pressure to spout the additive into in the high pressure cavity, continue to heat and utilize the pressure release valve pressure maintaining of leaking, the high pressure cavity is in high pressure catalysis state until reaching the settlement time.
According to the electric rice cooker and the control method thereof, the bottom and the side are adopted for heating, so that rice grains in the high-pressure cavity are heated more uniformly, all-around uniform heating is realized, and after heating and boiling, the electric heating parts at different parts are sequentially controlled for electrifying and heating, so that water vapor evaporated at different parts in the electric rice cooker can drive the rice grains to roll, convection alternate heating is realized, and uniform heating is facilitated, so that the consistency of rice taste at the upper part and the lower part can be ensured, the user experience of the electric rice cooker is improved, and the taste quality of food materials is improved.
Claims (9)
1. An electric cooker is characterized in that: the heating device comprises a base, a heating plate, an annular heating sleeve and a top cover, wherein the heating plate is fixed on the base, the lower port of the annular heating sleeve is detachably and hermetically connected to the heating plate, the top cover is detachably and hermetically connected to the upper port of the annular heating sleeve, and a high-pressure cavity is formed among the heating plate, the annular heating sleeve and the top cover; the heating plate is internally provided with a first electric heating part, the annular heating sleeve is internally provided with a plurality of second electric heating parts from bottom to top, the top cover is provided with an exhaust port, and the top cover is also provided with an external pressure relief valve for communicating the exhaust port with the high-pressure cavity;
the top cover is also provided with a pressure cavity, the top cover is also provided with a first valve for communicating the pressure cavity with the exhaust port, the top cover is also provided with a second valve and a one-way valve for communicating the pressure cavity with the high-pressure cavity, and the one-way valve is used for conveying high-pressure gas in the high-pressure cavity into the pressure cavity;
in the heating process, the one-way valve is used for enabling high-pressure gas in the high-pressure cavity to enter the pressure cavity, high-pressure steam and the additive in the pressure cavity are fully and uniformly mixed, then the high-pressure cavity is subjected to pressure relief treatment through the external pressure relief valve, then the second valve is opened, and the additive is sprayed into the high-pressure cavity by utilizing the high pressure of the pressure cavity.
2. The rice cooker of claim 1, wherein: and a nozzle is arranged on the lower end face of the top cover and is used for connecting an outlet of the second valve with the high-pressure cavity.
3. The rice cooker of claim 1, wherein: the top cap lower surface still is provided with and is used for hiding the check valve with the broken bubble apron of pressure relief valve, a plurality of through-holes have been seted up on the broken bubble apron.
4. The rice cooker of claim 1, wherein: the first electric heating part and the second electric heating part are electric heating wires or electromagnetic heaters.
5. The rice cooker of claim 1, wherein: the whole body of the annular heating sleeve is of a trapezoidal structure, and the size of the lower port of the annular heating sleeve is larger than that of the upper port of the annular heating sleeve.
6. The rice cooker of claim 1, wherein: the heating plate is detachably arranged on the base, and the heating plate, the annular heating sleeve and the top cover are covered by the ground glass cover.
7. The rice cooker of claim 6, wherein: and a projection display used for projecting images to the frosted glass cover is arranged on the base.
8. A control method of an electric cooker as claimed in any one of claims 1 to 7, characterized in that: comprises a heating mode; the heating mode is as follows: after adding rice and water to the high-pressure cavity, the whole ohmic heating of first electric heating portion and a plurality of second electric heating portion for after the temperature in the high-pressure cavity heats to 100 degrees fast, first electric heating portion and a plurality of second electric heating portion heat in turn so that the vapor at different positions in the high-pressure cavity drives the grain of rice and rolls.
9. The control method according to claim 8, characterized in that: also comprises a seasoning mode; the seasoning mode is as follows: after adding rice and water to high-pressure cavity, and to annotate the additive in the pressure cavity, the whole ohmic heating of first electric heating portion and a plurality of second electric heating portion, make the temperature in the high-pressure cavity heat to 100 degrees after fast, first electric heating portion and a plurality of second electric heating portion heat in turn so that the vapor at different positions in the high-pressure cavity drives the grain of rice and rolls, close the pressure relief valve, continue to heat and make pressure cavity and high-pressure cavity all keep the high pressure state, then, open the pressure relief valve in order to reduce the pressure in the high-pressure cavity, afterwards, open the second valve, utilize pressure cavity high pressure to spout the additive into in the high-pressure cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532171.2A CN109199088B (en) | 2017-07-03 | 2017-07-03 | Electric cooker and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532171.2A CN109199088B (en) | 2017-07-03 | 2017-07-03 | Electric cooker and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109199088A CN109199088A (en) | 2019-01-15 |
| CN109199088B true CN109199088B (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710532171.2A Active CN109199088B (en) | 2017-07-03 | 2017-07-03 | Electric cooker and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109199088B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10321360A (en) * | 1997-05-21 | 1998-12-04 | Matsushita Electric Ind Co Ltd | Induction heating type rice cooker |
| CN202774827U (en) * | 2012-07-09 | 2013-03-13 | 中山市托美电器有限公司 | Electric heating lunch box |
| CN203789737U (en) * | 2014-03-10 | 2014-08-27 | 奔腾电器（上海）有限公司 | Electromagnetic heating device with double-ring power controlled independently and variable currents |
| CN204132638U (en) * | 2014-11-06 | 2015-02-04 | 宁波好其特电器有限公司 | Multifunctional heating lunch box |
| CN106852643A (en) * | 2017-02-23 | 2017-06-16 | 孙智敏 | Baked steam generating system and cooking equipment |
-
2017
- 2017-07-03 CN CN201710532171.2A patent/CN109199088B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10321360A (en) * | 1997-05-21 | 1998-12-04 | Matsushita Electric Ind Co Ltd | Induction heating type rice cooker |
| CN202774827U (en) * | 2012-07-09 | 2013-03-13 | 中山市托美电器有限公司 | Electric heating lunch box |
| CN203789737U (en) * | 2014-03-10 | 2014-08-27 | 奔腾电器（上海）有限公司 | Electromagnetic heating device with double-ring power controlled independently and variable currents |
| CN204132638U (en) * | 2014-11-06 | 2015-02-04 | 宁波好其特电器有限公司 | Multifunctional heating lunch box |
| CN106852643A (en) * | 2017-02-23 | 2017-06-16 | 孙智敏 | Baked steam generating system and cooking equipment |
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| Publication number | Publication date |
|---|---|
| CN109199088A (en) | 2019-01-15 |
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Effective date of registration: 20210914 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIGAO DESIGN AND MANUFACTURING Co.,Ltd. Applicant after: Qingdao Haier Innovation Technology Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIGAO DESIGN AND MANUFACTURING Co.,Ltd. |
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