CN210055768U - Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment - Google Patents

Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment Download PDF

Info

Publication number
CN210055768U
CN210055768U CN201920239768.2U CN201920239768U CN210055768U CN 210055768 U CN210055768 U CN 210055768U CN 201920239768 U CN201920239768 U CN 201920239768U CN 210055768 U CN210055768 U CN 210055768U
Authority
CN
China
Prior art keywords
water
tank
fruit
flushing tank
alkaline
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.)
Expired - Fee Related
Application number
CN201920239768.2U
Other languages
Chinese (zh)
Inventor
南松剑
杜炳文
张旭阳
孙宁康
苏雅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Research Institute of China Agricultural University
Original Assignee
Yantai Research Institute of China Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yantai Research Institute of China Agricultural University filed Critical Yantai Research Institute of China Agricultural University
Priority to CN201920239768.2U priority Critical patent/CN210055768U/en
Application granted granted Critical
Publication of CN210055768U publication Critical patent/CN210055768U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

The utility model belongs to the technical field of fruit and vegetable washing, especially, be a fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combination processing, including the electrolytic water device with the water inlet solenoid valve that the electrolytic water device is connected, the below of electrolytic water device is equipped with supersonic generator, be fixed with controlling means on the supersonic generator, there are sour water flushing tank and shower nozzle on the electrolytic water device through the pipe connection, a plurality of ultrasonic transducer is installed to the bottom of sour water flushing tank, the shower nozzle penetrates into the inside of buck flushing tank, insert the baffle between the junction of sour water flushing tank and buck flushing tank; the ultrasonic generator and the water electrolysis device are assembled to form the fruit and vegetable cleaning device, the water for cleaning is electrolyzed into acidic electrolyzed water and alkaline electrolyzed water by the water electrolysis device, the ultrasonic generator is matched with the ultrasonic transducer to pre-clean the fruits and vegetables in the acidic electrolyzed water environment, and the alkaline neutralization is carried out on the pretreated fruits and vegetables through the alkaline electrolyzed water, so that the fruit and vegetable cleaning effect is improved.

Description

Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment
Technical Field
The utility model belongs to the technical field of the fruit vegetables are washd, concretely relates to fruit vegetables cleaning machine based on electrolytic water and ultrasonic wave combination are handled.
Background
A fruit and vegetable cleaning machine is characterized in that when the fruit and vegetable cleaning machine works, power is supplied to an ozone generator, the ozone generator generates ozone, the ozone is conveyed into a washing barrel of the vegetable cleaning machine through an ozone pipe by an ozone pump, the ozone is contacted with a water machine in the washing barrel and dissolved in water to form ozone water, and the ozone water has strong sterilization, disinfection and pesticide degradation effects. The cleaning agent is mainly used for cleaning vegetables and fruits.
The prior art has the following problems:
1. the existing fruit and vegetable cleaning mode is mostly that cleaning water is added with a cleaning agent for cleaning, only residual mud on the surface can be removed, and the cleaning effect on pesticide residues attached to the surface is poor;
2. after the existing fruit and vegetable cleaning device cleans fruits and vegetables, inherent nutritional ingredients such as sugar, acid, vitamins, polyphenol and carotene in the fruits and vegetables can run off, and the quality of the fruits and vegetables is affected.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a fruit vegetables cleaning machine based on electrolytic water and ultrasonic wave combination are handled has multistage washing and washs characteristics with low costs.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fruit vegetables cleaning machine based on electrolytic water and ultrasonic wave combination processing, including the electrolytic water device with the solenoid valve of intaking that the electrolytic water device connects, the below of electrolytic water device is equipped with supersonic generator, the last controlling means that is fixed with of supersonic generator, there are acid water flushing tank and shower nozzle through the pipe connection on the electrolytic water device, a plurality of ultrasonic transducer is installed to the bottom of acid water flushing tank, the inside of shower nozzle injection buck flushing tank, the acid water flushing tank with the baffle has been inserted between the junction of buck flushing tank, the acid water flushing tank with the inside of buck flushing tank corresponds in proper order from top to bottom and is equipped with high water level inductor and low water level inductor, the acid water flushing tank with the bottom correspondence of buck flushing tank is connected with the delivery port, be fixed with out the water solenoid valve on the delivery port.
Preferably, five ultrasonic transducers are arranged on the bottom array of the acid water flushing tank.
Preferably, the height of the bottom of the acid water washing tank is higher than that of the bottom of the alkaline water washing tank, and a connection part between the acid water washing tank and the alkaline water washing tank has a slope.
Preferably, the size of the cleaning tank consisting of the acid water washing tank and the alkaline water washing tank is 190mm × 350mm × 200 mm.
Preferably, the distance from the high water level sensor to the bottom surface of the cleaning tank is 140mm, and the distance from the low water level sensor to the bottom surface of the cleaning tank is 50 mm.
Preferably, the material of the cleaning tank composed of the acid water washing tank and the alkaline water washing tank is 304 stainless steel members.
Preferably, the tops of the alkaline water flushing tank and the acid water flushing tank are fixedly connected with lifting covers, overflow ports are formed in the outer side walls, and the height of each overflow port is 150 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the ultrasonic generator and the water electrolysis device are assembled to form the fruit and vegetable cleaning device, the water for cleaning is electrolyzed into acidic electrolyzed water and alkaline electrolyzed water by the water electrolysis device, the ultrasonic generator is matched with the ultrasonic transducer to pre-clean the fruits and vegetables in the acidic electrolyzed water environment, and the pretreated fruits and vegetables are subjected to alkaline neutralization through the alkaline electrolyzed water, so that the fruit and vegetable cleaning effect is improved;
2. the acidic electrolyzed water has obvious bacteriostatic effect, carbamate pesticide residues in the leafy vegetables are optimized through ultrasonic cleaning conditions, the electrolyzed water is convenient to prepare, low in cost, safe to use, free of environmental pollution, capable of quickly sterilizing, capable of weakening the protection effect of a biological membrane through the impact stripping effect of ultrasonic waves, capable of emulsifying a detergent and beneficial to cleaning of the fruits and the vegetables.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the present invention;
in the figure: 1. an electrolytic water device; 2. a water inlet electromagnetic valve; 3. a control device; 4. an ultrasonic generator; 5. a water outlet electromagnetic valve; 6. a water outlet; 7. washing the tank with alkaline water; 8. washing the tank with acid water; 9. a spray head; 10. an ultrasonic transducer; 11. a low water level sensor; 12. a high water level sensor; 13. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides the following technical solutions: a fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment comprises a water inlet electromagnetic valve 2 connected with an electrolytic water device 1 and the electrolytic water device 1, an ultrasonic generator 4 is arranged below the electrolytic water device 1, a control device 3 is screwed on the ultrasonic generator 4, the electrolytic water device 1 is connected with an acid water flushing tank 8 and a spray head 9 through pipelines, a plurality of ultrasonic transducers 10 are arranged at the bottom of the acid water flushing tank 8, the spray head 9 penetrates into the alkaline water flushing tank 7, a partition plate 13 is detachably connected between the joint of the acid water flushing tank 8 and the alkaline water flushing tank 7, the partition plate 13 is fixed on the inner side walls of the acid water flushing tank 8 and the alkaline water flushing tank 7 through slots, a high water level sensor 12 and a low water level sensor 11 are screwed in sequence from top to bottom in the acid water flushing tank 8 and the alkaline water flushing tank 7, the bottoms of the acid water flushing tank 8 and the alkaline water flushing tank 7 are correspondingly, a water outlet electromagnetic valve 5 is fixed on the water outlet 6.
In this embodiment: the cleaning water is introduced into the water electrolysis device 1, the water electrolysis device 1 electrolyzes the cleaning water into acidic electrolyzed water and alkaline electrolyzed water, fruits and vegetables are placed in the acid water flushing tank 8, the water inlet electromagnetic valve 2 is opened through the control device 3, the water outlet electromagnetic valve 5 is closed, the acidic electrolyzed water is injected into the acid water flushing tank 8 through a pipeline connected with the water electrolysis device 1, the acidic electrolyzed water flows in, the water level rises continuously, when the water level reaches the low water level sensor 11, the ultrasonic transducer 10 is started, the available electric energy converted by the ultrasonic generator 4 is converted into mechanical energy, the fruits and vegetables are cleaned by mixing the acidic electrolyzed water and ultrasonic waves, the adsorption force of the adhesion impurities on the surfaces of the fruits and vegetables is damaged to achieve the cleaning effect, the water inlet electromagnetic valve 2 is closed when the high water level sensor 12 is reached along with the continuous rising of the injection water level of the acidic electrolyzed water, the water outlet electromagnetic valve 5 is opened, and the cleaned electrolyzed water flows out, when the water level drops to reach the low water level sensor 11, the water inlet electromagnetic valve 2 is opened again, the acidic electrolyzed water and the ultrasonic wave which are just electrolyzed are continuously used for cleaning fruits and vegetables, the control device 3 sets A minutes as an acidic cleaning period, the cleaning period can be adjusted, after the last cleaning period is finished, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, the electrolyzed water in the acid water flushing tank 8 is enabled to completely flow out, the partition plate 13 is drawn out through the slot, the fruits and vegetables sequentially enter the alkaline water flushing tank 7, the partition plate is closed, the water inlet electromagnetic valve 2 is opened, the water outlet electromagnetic valve 5 is closed, the alkaline electrolyzed water flows in and is sprayed through the spray head 9 to carry out alkaline neutralization cleaning on the fruits and vegetables, when the water level reaches the high water level sensor 12, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, and the alkaline electrolyzed water, when the low water level sensor 11 is reached, the water inlet electromagnetic valve 2 is opened, new alkaline electrolyzed water is continuously used for cleaning, B minutes is set as an alkaline cleaning period, when the last cleaning period is finished, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, the water in the alkaline washing tank is emptied, and the cleaning of the fruits and the vegetables is finished.
In this embodiment: the ultrasonic generator 4 is QYP-40-500TM, the output power is 500W, the working frequency is 40kHz, and the size is 350 x 380 x 130 mm.
In this embodiment: the ultrasonic transducer 10 is a device which can convert high-frequency electric energy into mechanical energy, and has the model number of QYH-50-40LB and the working frequency of 40 kHz.
In this embodiment: the control device 3 is internally provided with a singlechip.
Specifically, five ultrasonic transducers 10 are arranged at the bottom of the acid water washing tank 8 in an array manner; five ultrasonic transducer 10 of array installation can wash the fruit vegetables multi-angle in the acid water rinsing tank 8, promote fruit vegetables surface pesticide residue's the effect of getting rid of.
Specifically, the height of the bottom of the acid water washing tank 8 is higher than that of the bottom of the alkaline water washing tank 7, and a slope exists at the joint of the acid water washing tank 8 and the alkaline water washing tank 7; the gradient between the acid water washing tank 8 and the alkaline water washing tank 7 is about 15 degrees, so that the washed fruits and vegetables in the acid water washing tank 8 can conveniently enter the alkaline water washing tank 7 for subsequent washing.
Specifically, the size of a cleaning tank consisting of an acid water washing tank 8 and an alkaline water washing tank 7 is 190mm × 350mm × 200 mm; can be filled with 10L of fruits and vegetables for cleaning.
Specifically, the distance from the high water level sensor 12 to the bottom surface of the cleaning tank is 140mm, and the distance from the low water level sensor 11 to the bottom surface of the cleaning tank is 50 mm; the high level sensor 12 monitors the water level of 140mm, and the low level sensor 11 monitors the water level of 50 mm.
Specifically, the material of the cleaning tank composed of the acid water washing tank 8 and the alkaline water washing tank 7 is 304 stainless steel components; the acidic and alkaline solutions are corrosive to a part of the stainless steel material, and 304 stainless steel members are used as the material of the cleaning tank in order to prevent the cleaning tank from being corroded by the acid-electrolyzed water.
Specifically, the tops of the alkaline water washing tank 7 and the acid water washing tank 8 are both fixedly connected with lifting covers, the outer side wall of the alkaline water washing tank is provided with an overflow port, and the height of the overflow port is 150 mm; the lifting covers arranged at the tops of the alkaline water washing tank 7 and the acid water washing tank 8 are used for sealing the washing tank and taking out the fruits and vegetables after the fruits and vegetables are washed, and the overflow port at the position of 150mm is used for floating impurities generated in the washing process to flow out.
The utility model discloses a theory of operation and use flow: leading cleaning water into an electrolytic water device 1, electrolyzing the cleaning water into acidic electrolytic water and alkaline electrolytic water by the electrolytic water device 1, placing fruits and vegetables into an acid water flushing tank 8, opening a water inlet electromagnetic valve 2 through a control device 3, closing a water outlet electromagnetic valve 5, injecting the acidic electrolytic water into the acid water flushing tank 8 through a pipeline connected with the electrolytic water device 1, enabling the acidic electrolytic water to flow in, enabling the water level to rise continuously, starting an ultrasonic transducer 10 when the water level reaches a low water level sensor 11, converting available electric energy converted by the ultrasonic generator 4 into mechanical energy, carrying out mixed cleaning of the acidic electrolytic water and ultrasonic waves on the fruits and vegetables, destroying the adsorption force of impurities adhered on the surfaces of the fruits and vegetables to achieve the cleaning effect, overflowing floating impurities generated in the cleaning process through an overflow port at the position of 150mm, increasing continuously along with the injection water level of the acidic electrolytic water, and reaching the high water level sensor 12, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, the electrolyzed water which is cleaned completely flows out of the acid water washing tank 8 through the water outlet 6, when the water level drops to reach the low water level sensor 11, the water inlet electromagnetic valve 2 is opened again, the electrolyzed water and the ultrasonic wave which are just electrolyzed are continuously used for cleaning fruits and vegetables, the control device 3 sets A minutes as an acid cleaning period, the cleaning period can be adjusted, after the last cleaning period is finished, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, the electrolyzed water in the acid water washing tank 8 is completely flowed out, the partition plate 13 is drawn out through the slot, the fruits and vegetables enter the alkaline water washing tank 7 along the direction, the partition is closed, the water inlet electromagnetic valve 2 is opened, the water outlet electromagnetic valve 5 is closed, the alkaline electrolyzed water flows in and is sprayed through the spray nozzle 9 to perform alkaline neutralization cleaning on the fruits and vegetables, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, alkaline electrolyzed water which is cleaned flows out of the alkaline water flushing tank 7 through the water outlet 6, when the low water level sensor 11 is reached, the water inlet electromagnetic valve 2 is opened, new alkaline electrolyzed water is continuously used for cleaning, B minutes is set as an alkaline cleaning period, after the last cleaning period is finished, the water inlet electromagnetic valve 2 is closed, the water outlet electromagnetic valve 5 is opened, water in the alkaline flushing tank is emptied, and cleaning of fruits and vegetables is finished.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a fruit vegetables cleaning machine based on electrolytic water and ultrasonic wave combination are handled, includes electrolytic water device (1) and water inlet solenoid valve (2) that electrolytic water device (1) is connected which characterized in that: the water electrolysis device is characterized in that an ultrasonic generator (4) is arranged below the water electrolysis device (1), a control device (3) is fixed on the ultrasonic generator (4), an acid water flushing tank (8) and a spray head (9) are connected to the water electrolysis device (1) through a pipeline, a plurality of ultrasonic transducers (10) are installed at the bottom of the acid water flushing tank (8), the spray head (9) penetrates into the alkaline water flushing tank (7), a partition plate (13) is inserted between the joint of the acid water flushing tank (8) and the alkaline water flushing tank (7), a high water level inductor (12) and a low water level inductor (11) are sequentially and correspondingly arranged in the acid water flushing tank (8) and the alkaline water flushing tank (7) from top to bottom, and a water outlet (6) is correspondingly connected to the bottoms of the acid water flushing tank (8) and the alkaline water flushing tank (7), and a water outlet electromagnetic valve (5) is fixed on the water outlet (6).
2. The fruit and vegetable cleaning machine based on the combined treatment of the electrolyzed water and the ultrasonic waves as set forth in claim 1, which is characterized in that: five ultrasonic transducers (10) are arranged at the bottom of the acid water washing tank (8) in an array mode.
3. The fruit and vegetable cleaning machine based on the combined treatment of the electrolyzed water and the ultrasonic waves as set forth in claim 1, which is characterized in that: the bottom height of the acid water washing tank (8) is higher than that of the alkaline water washing tank (7), and the connecting part of the acid water washing tank (8) and the alkaline water washing tank (7) has a gradient.
4. The fruit and vegetable cleaning machine based on the combined treatment of the electrolyzed water and the ultrasonic waves as set forth in claim 1, which is characterized in that: the size of a cleaning tank consisting of the acid water washing tank (8) and the alkaline water washing tank (7) is 190mm multiplied by 350mm multiplied by 200 mm.
5. The fruit and vegetable cleaning machine based on the combined treatment of electrolyzed water and ultrasonic waves as claimed in claim 4, characterized in that: the distance between the high water level sensor (12) and the bottom surface of the cleaning tank is 140mm, and the distance between the low water level sensor (11) and the bottom surface of the cleaning tank is 50 mm.
6. The fruit and vegetable cleaning machine based on the combined treatment of electrolyzed water and ultrasonic waves as claimed in claim 4, characterized in that: the material of the cleaning tank consisting of the acid water flushing tank (8) and the alkaline water flushing tank (7) is 304 stainless steel components.
7. The fruit and vegetable cleaning machine based on the combined treatment of the electrolyzed water and the ultrasonic waves as set forth in claim 1, which is characterized in that: the tops of the alkaline water flushing tank (7) and the acid water flushing tank (8) are fixedly connected with lifting covers, overflow ports are formed in the outer side walls, and the height of each overflow port is 150 mm.
CN201920239768.2U 2019-02-26 2019-02-26 Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment Expired - Fee Related CN210055768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920239768.2U CN210055768U (en) 2019-02-26 2019-02-26 Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920239768.2U CN210055768U (en) 2019-02-26 2019-02-26 Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment

Publications (1)

Publication Number Publication Date
CN210055768U true CN210055768U (en) 2020-02-14

Family

ID=69432930

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920239768.2U Expired - Fee Related CN210055768U (en) 2019-02-26 2019-02-26 Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment

Country Status (1)

Country Link
CN (1) CN210055768U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113800607A (en) * 2021-10-20 2021-12-17 宁夏大学 Domestic electrolyzed water sanitary cleaning and sterilizing central centralized control and pipeline system
CN114903079A (en) * 2022-05-26 2022-08-16 福建农林大学 Preservation method for delaying discoloration and lignification of fresh velvet antler mushroom fruiting bodies
CN115886062A (en) * 2022-11-25 2023-04-04 珠海格力电器股份有限公司 Fruit and vegetable sterilization device, control method thereof and refrigerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113800607A (en) * 2021-10-20 2021-12-17 宁夏大学 Domestic electrolyzed water sanitary cleaning and sterilizing central centralized control and pipeline system
CN114903079A (en) * 2022-05-26 2022-08-16 福建农林大学 Preservation method for delaying discoloration and lignification of fresh velvet antler mushroom fruiting bodies
CN114903079B (en) * 2022-05-26 2023-10-27 福建农林大学 Fresh-keeping method for delaying color change and lignification of fresh velvet mushroom fruiting bodies
CN115886062A (en) * 2022-11-25 2023-04-04 珠海格力电器股份有限公司 Fruit and vegetable sterilization device, control method thereof and refrigerator

Similar Documents

Publication Publication Date Title
CN210055768U (en) Fruit and vegetable cleaning machine based on electrolytic water and ultrasonic wave combined treatment
CN101849810B (en) Ultrasonic ozone combined cleaning equipment used for kitchens and cleaning method thereof
CN202636869U (en) Ultrasonic wave dish-washing machine capable of performing transmitting automatically and cleaning continuously
CN204510364U (en) A kind of self-cleaning water tank
KR101441017B1 (en) Cleansing apparatus by flowing water and micro bubble
CN201414772Y (en) Full-automatic washing instrument combined with washing groove
CN209476837U (en) A kind of supersonic wave cleaning machine
CN208355382U (en) Cleaning machine and its spray irrigation device
CN215879030U (en) Culture dish cleaning and sterilizing device for basic medical laboratory
CN210187902U (en) MBR is belt cleaning device for sewage treatment system
CN210646388U (en) Reation kettle for chemical engineering
CN219597456U (en) Cleaning equipment
CN206911838U (en) A kind of ultrasonic oil removal device for nano spray plating
CN205625710U (en) Water -saving ultrasonic cleaning dish basin
CN208627986U (en) A kind of supersonic wave cleaning machine
CN109124515A (en) A kind of ultrasonic sink dish-washing machine
CN111053259A (en) Incomplete all-in-one of handling of portable farming
CN211322968U (en) Fruit and vegetable cleaning machine
CN209680688U (en) A kind of efficient medical apparatus cleaning device
CN204294563U (en) A kind of ultrasonic cleaning machine for medical purpose with chemical disinfection
CN209847123U (en) Cleaning device
CN106362989A (en) Full-automatic ultrasonic bottle washing machine
CN216937412U (en) Temperature control cleaning and drying integrated device for ultrasonic cleaning machine
CN216674625U (en) Vegetable cleaning pool for vegetable preliminary processing
KR200379422Y1 (en) Ultrasonic cleaner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200214

Termination date: 20210226