CN107559895A - Concave disc electromagnetic oven - Google Patents
Concave disc electromagnetic oven Download PDFInfo
- Publication number
- CN107559895A CN107559895A CN201710700975.9A CN201710700975A CN107559895A CN 107559895 A CN107559895 A CN 107559895A CN 201710700975 A CN201710700975 A CN 201710700975A CN 107559895 A CN107559895 A CN 107559895A
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- CN
- China
- Prior art keywords
- panel
- matrix
- temperature
- coil
- electromagnetic oven
- 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.)
- Pending
Links
- 230000001012 protector Effects 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims description 149
- 230000004907 flux Effects 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract 4
- 239000000463 material Substances 0.000 description 8
- 229920001707 polybutylene terephthalate Polymers 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000013081 microcrystal Substances 0.000 description 3
- -1 polybutylene Terephthalate Polymers 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Induction Heating Cooking Devices (AREA)
Abstract
The invention provides a concave disc induction cooker, which comprises a bottom shell (10), wherein a concave coil disc (20) and a circuit board are arranged in the bottom shell (10), a concave panel (30) matched with the concave coil panel (20) is arranged on the bottom shell (10), a panel protector (40) electrically connected with the circuit board is arranged between the concave coil panel (20) and the concave panel (30), the panel protector (40) is arranged to open when the temperature of the concave panel (30) is detected to be greater than or equal to a preset temperature, the induction cooker stops heating until the induction cooker is closed again when the temperature of the concave panel (30) is detected to be lower than the preset temperature, so that the induction cooker continues to heat.
Description
Technical field
The present invention relates to a kind of household electrical appliance, more particularly to a kind of recessed disk electromagnetic oven.
Background technology
Electromagnetic oven is a kind of widely used cooking apparatus, and conventional electromagnetic oven uses flat-bottom design, can only put pan,
In order to realize purpose that round bottom pan uses on electromagnetic oven, in the market is proposed recessed disk electromagnetic oven, in use, round bottom pan is put
Cooked on the concave surface of electromagnetic oven.
At present, recessed disk electromagnetic oven mainly includes drain pan, the circuit board and matrix coil panel being arranged in drain pan, and lid is set
The matrix panel matched on drain pan with the matrix coil panel, wherein, matrix panel because concave surface need to be formed on panel, for
For conventional microcrystal face plate, because hardness is larger, therefore, using on microcrystal face plate formed concave surface when manufacturing process in easily occur
The phenomenon of microcrystal face plate rupture, in order to be less prone to the rupture of panel, prior art drop centre type in matrix panel manufacturing process
Panel selects resistant to elevated temperatures plastic material mostly, so on panel formed concave surface when be not susceptible to panel ruptures the problem of, its
In, the plastic material that matrix panel uses is specifically as follows：Polybutylene terephthalate (PBT) (polybutylene
Terephthalate, referred to as：PBT), polyethylene terephthalate (Polyethylene terephthalate, abbreviation：
PET), the compound material of glass or above-mentioned material, the fault rate that so rupturing occurs in panel when forming concave surface on panel are big
It is big to reduce.
However, coil panel can produce substantial amounts of heat during electromagnetic oven use, and panel is in hot environment, once
Temperature caused by electromagnetic oven work is when reaching the heat distortion temperature of matrix panel, and matrix panel can deform damage so that
Electromagnetic oven can not normal operation.
The content of the invention
For the matrix panel that solves to mention in background technology, when electromagnetic oven is run, temperature reaches heat distortion temperature and led
The problem of causing panel deformation damage, the present invention provides a kind of non-damageable recessed disk electromagnetic oven of panel.
The present invention provides a kind of recessed disk electromagnetic oven, including drain pan, and matrix coil panel and circuit board are provided with the drain pan, and
The drain pan is provided with the matrix panel matched with the matrix coil panel, wherein, the matrix coil panel and the matrix face
The panel protector being electrical connected with the circuit board is provided between plate, the panel protector is configured to described when detecting
The temperature of matrix panel disconnects when being more than or equal to preset temperature, so that the electromagnetic oven stops heating until described when detecting
The temperature of matrix panel is re-closed when being less than the preset temperature so that the electromagnetic oven continues to heat.
Can be automatic according to the matrix panel temperature detected by being set between matrix coil panel and the matrix panel
Opening and closing of panel protector so that matrix panel is not in the operating temperature higher than preset temperature, so as to avoid
The problem of matrix panel is located at when being worked under its heat distortion temperature and causes matrix panel deformation to damage, with prior art phase
Than the present embodiment ensure that the protective effect in the electromagnetic oven course of work to matrix panel by panel protector, avoid recessed
Type panel temperature when electromagnetic oven is run reaches heat distortion temperature and causes panel deformation so that electromagnetic oven can not normal operation
Problem, therefore, the recessed disk electromagnetic oven that the application provides solves existing electromagnetic oven, and temperature reaches matrix panel in operation
Heat distortion temperature and cause matrix panel deformation damage technical problem.
Optionally, the TEMP being connected with the circuit board is provided between the matrix coil panel and the matrix panel
Device, the temperature sensor are used for the temperature for detecting the matrix panel.
Optionally, the panel protector is located on the wire coil bracket of the matrix coil panel, and the panel protector
The Wen Duan that adopts be connected on the back side of the matrix panel.
Optionally, the mounting groove for installing the panel protector, the panel protection are opened up on the wire coil bracket
Device is located in the mounting groove.
Optionally, it is corresponding with the magnetic flux average area of the matrix coil panel to be located at the wire coil bracket for the mounting groove
On position.
Optionally, the magnetic flux average area of the matrix coil panel is the circle using the center of the matrix coil panel as the center of circle
Ring region, and the internal diameter of the circle ring area is (D1+D2) × 0.4, external diameter is (D1+D2) × 0.6, wherein, the D1 is institute
The diameter of the outmost turns of matrix coil panel coil is stated, the D2 is the diameter of the innermost circle of the matrix coil panel coil.
Optionally, the panel protector is fixed in the mounting groove by buckle or dispensing.
Optionally, the panel protector is arranged on the back side of the matrix panel, and the panel protector is close
The matrix panel it is centrally disposed.
Optionally, the preset temperature is the 90% of the heat distortion temperature of the matrix panel.
Optionally, the matrix panel is using panel made of plastics.
The construction of the present invention and its other goals of the invention and beneficial effect will be in conjunction with the accompanying drawings to preferred real
Apply the description of example and more obvious understandable.
Brief description of the drawings
Fig. 1 is the cross-sectional view of recessed disk electromagnetic oven provided by the invention；
Fig. 2 is the cross-sectional view of recessed disk electromagnetic oven drop centre type coil panel provided by the invention；
Fig. 3 is the schematic top plan view of matrix coil panel provided by the invention.
Description of reference numerals：
Drain pan -10；
Matrix coil panel -20；
Wire coil bracket -21；
Coil -22；
Matrix panel -30；
Panel protector -40；
Lead -41.
Embodiment
Embodiment one
Fig. 1 is the cross-sectional view of recessed disk electromagnetic oven provided by the invention, and Fig. 2 is recessed disk electromagnetism provided by the invention
The cross-sectional view of stove drop centre type coil panel, Fig. 3 are the schematic top plan views of matrix coil panel provided by the invention, as Fig. 1-
Shown in 3, recessed disk electromagnetic oven provided by the invention includes：Drain pan 10, drain pan 10 is interior to be provided with matrix coil panel 20 and circuit board, drain pan
10 are provided with the matrix panel 30 matched with matrix coil panel 20, specifically, the arcwall face of matrix coil panel 20 and matrix panel
The radian of 30 arcwall face is identical, and matrix coil panel 20 is located at the lower section of matrix panel 30, the cambered surface of matrix coil panel 20 and recessed
The cambered surface of type panel 30 is corresponding, is cooked in use, pan is placed on the arcwall face of matrix panel 30.
Wherein, in order to prevent the temperature when electromagnetic oven is run of matrix panel 30 from reaching heat distortion temperature and panel deformation occur
The phenomenon of damage, in the present embodiment, (do not show with circuit board specifically, being provided between matrix coil panel 20 and matrix panel 30
Go out) panel protector 40 that is electrical connected, panel protector 40 be configured to when the temperature that detect matrix panel 30 is more than or
Disconnected during equal to preset temperature, so that electromagnetic oven stops heating, until when the temperature for detecting matrix panel 30 is less than default temperature
Re-closed when spending so that electromagnetic oven continues to heat, i.e., in the present embodiment, panel protector 40 is that one kind can detect according to itself
Automatically opening and closing of circuit protection device, the panel protector 40 are existing equipment, its structure and principle to the temperature arrived
Repeated no more in the present embodiment, wherein, when electromagnetic oven works, once the temperature of matrix panel 30 is more than or equal to preset temperature
When, panel protector 40, which disconnects, causes electromagnetic oven to stop heating, and when electromagnetic oven stops heating, the temperature of matrix panel 30 will not
Continue to rise, reach heat distortion temperature so as to avoid the temperature of matrix panel 30 and cause matrix panel 30 to deform damage
The problem of, i.e., in the present embodiment, the effect of protection is served to matrix panel 30 by panel protector 40, avoids matrix panel
30 temperature damages that deform more than preset temperature in electromagnetic oven running, wherein, after electromagnetic oven stops heating, matrix
Temperature gradually reduces on panel 30, when panel protector 40 detects that the temperature of matrix panel 30 is less than preset temperature, panel
Protector 40 re-closes, electromagnetic oven recovery heating.
Wherein, in the present embodiment, heat distortion temperature that preset temperature can bear with specific reference to the material of matrix panel 30
Set, specifically, the preset temperature is the 90% of the heat distortion temperature of matrix panel 30, for example, when matrix panel 30 is adopted
When being PET material, the heat distortion temperature of matrix panel 30 is 200 DEG C, then preset temperature is 180 DEG C (200 DEG C × 90%),
This ensures that, matrix panel 30 before heat distortion temperature is reached, panel protector 40 disconnects realization to be protected to matrix panel 30
The purpose of shield, that is, the problem of matrix panel 30 reaches heat distortion temperature and causes matrix panel 30 to damage is avoided, wherein, this reality
Apply in example, concave surface panel specifically adopt it is made of plastic, such as PBT, PET, glass or composite plastics material can be used to make and
Into.
In the present embodiment, by setting panel protector 40, accordingly even when matrix panel 30 is made up of plastic material, once
When temperature reaches preset temperature, electromagnetic oven stops heating, so that matrix panel 30 is not at the work higher than preset temperature
Make in temperature, be located under heat distortion temperature so as to avoiding matrix panel 30 and work and cause asking for the deformed damaged of matrix panel 30
Topic, compared with prior art, the present embodiment ensure that in the electromagnetic oven course of work to matrix panel 30 by panel protector 40
Protective effect, avoid matrix panel electromagnetic oven operation in temperature reach heat distortion temperature and occur panel thermal deformation damage
It is bad, so cause electromagnetic oven can not normal operation the problem of.
Wherein, it is necessary to which explanation, panel protector 40 can not adopt warm part as electromagnetic oven in the present embodiment
Detected in real time, in the present embodiment, panel protector 40 is only detecting the temperature of matrix panel 30 greater than or equal to default
Just turned off during temperature when the temperature of operational motion and matrix panel 30 is less than preset temperature and re-close operation, this implementation
In example, in order to be detected to the temperature of pan so that circuit board is according to the temperature control heating power of pan, specifically, recessed
The temperature sensor being connected with circuit board is additionally provided between type coil disk 20 and matrix panel 30, the temperature sensor is used for real
When detect pan temperature, wherein, because when pan, which is placed on, is cooked on matrix panel 30, the temperature of pan is quickly transmitted to
Matrix panel 30, therefore, in the present embodiment, temperature sensor obtains pan indirectly especially by the temperature of detection matrix panel 30
Temperature, or, in the present embodiment, temperature sensor can also be located on matrix panel 30, temperature sensor is directly to pot
The temperature in the tool the bottom of a pan is detected, and the temperature that circuit board detects according to temperature sensor is controlled to cooking process.
Wherein, in the present embodiment, as Figure 2-3, panel protector 40 is specifically located at the drum branch of matrix coil panel 20
On frame 21, and the Wen Duan that adopts of panel protector 40 is connected on the back side of matrix panel 30, and such panel protector 40 adopts temperature
End is mutually close to the back side of matrix panel 30, so that the temperature for the matrix panel 30 that panel protector 40 detects is matrix
The actual temperature of panel 30, that is, realize the accurate detection to the temperature of matrix panel 30 so that panel protector 40 is according to matrix
The actual temperature of panel 30 accurately disconnect and close.
Wherein, panel protector 40 on the wire coil bracket 21 of matrix coil panel 20 when setting, specifically, wire coil bracket 21
On open up mounting groove (not shown) for installation panel protector 40, panel protector 40 is arranged in mounting groove, and panel
Protector 40 is connected by lead 41 with circuit board, wherein, when panel protector 40 is installed in mounting groove, panel protector 40
It can be fixed on by snap in mounting groove, or panel protector 40 can also be fixed in mounting groove by dispensing,
I.e. panel protector 40 is fixed in mounting groove by glue, and such panel protector 40 is more firm on wire coil bracket 21, no
Easily come off from wire coil bracket 21.
Wherein, in the present embodiment, when opening up mounting groove on wire coil bracket 21, specifically, mounting groove is opened in into drum
On the position corresponding with the magnetic flux average area of matrix coil panel 20 of support 21, such panel protector 40 is arranged on mounting groove
Afterwards, panel protector 40 is located in the magnetic flux average area of matrix coil panel 20, and the magnetic flux average area of matrix coil panel 20
Magnetic flux and matrix coil panel 20 on overall magnetic flux average value it is of equal value, according to electromagnetic oven heating principle, matrix panel 30
Upper opening position corresponding with the average area of the magnetic flux, caused heat are in the average value of the overall heat of matrix panel 30,
Therefore, the temperature of opening position corresponding with the average area of the magnetic flux is exactly the mean temperature of matrix panel 30 on panel, and this is flat
Equal temperature can reflect the bulk temperature situation of matrix panel 30.
Wherein, in the present embodiment, the magnetic flux average area of matrix coil panel 20 is using the center of matrix coil panel 20 to be round
The circle ring area of the heart, and the internal diameter of circle ring area is (D1+D2) × 0.4, external diameter is (D1+D2) × 0.6, wherein, such as Fig. 3 institutes
Show, D1 is the diameter of the outmost turns of the coil 22 of matrix coil panel 20, and D2 is the innermost circle of the coil 22 of matrix coil panel 20
Diameter, for example, if the diameter D1 of the outmost turns of the coil 22 of matrix coil panel 20 is 250mm, the innermost circle of its coil 22
Diameter D2 be 50mm, then magnetic flux average region is the annulus that internal diameter is 120mm, external diameter is 180mm on matrix coil panel 20
Section.
Wherein, it is necessary to illustrate, because the central area of matrix coil panel 20 is stronger for magnetic flux in the present embodiment
Region, during heating, the temperature in the region is higher than other regions, therefore, in order to avoid matrix panel 30 and matrix in the present embodiment
Regional temperature corresponding to the center of coil panel 20 is too high and causes matrix panel 30 to damage, and mounting groove can also be opened in drum branch
For frame 21 on the position at the center of wire coil bracket 21, such panel protector 40 once detects that the regional temperature is equal to or more than
During preset temperature, then disconnect and cause electromagnetic oven to stop heating, more preferable protective effect is played to matrix panel 30.
Embodiment two
In the present embodiment, panel protector 40 is specifically located on the back side of matrix panel 30, i.e. panel protector 40
When between matrix panel 30 and matrix coil panel 20, the one side (back of the body of the matrix panel 30 towards matrix coil panel 20 is particularly located at
Face) on, and because the center magnetic flux of matrix coil panel 20 is larger so that the temperature at the concave surface center of matrix panel 30 is higher than
Other regions, panel is caused to damage in order to prevent the temperature at the concave surface center of matrix panel 30 from reaching heat distortion temperature,
In the present embodiment, panel protector 40 is located on the back side of matrix panel 30 and panel protector 40 is in matrix panel 30
The heart is set, i.e., panel protector 40 be located on the back side of matrix panel 30 and the close position in center of matrix panel 30, so
Panel protector 40 to the temperature highest region of matrix panel 30 carry out temperature detection, turned off according to the temperature detected or
Closure so that temperature highest region is not up to the heat distortion temperature of matrix panel 30 on matrix panel 30, further really
The safe handling of matrix panel 30 is protected, so as to extend the service life of matrix panel 30.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of recessed disk electromagnetic oven, including drain pan (10), the drain pan (10) is interior to be provided with matrix coil panel (20) and circuit board, and
The drain pan (10) is provided with the matrix panel (30) matched with the matrix coil panel (20), it is characterised in that：
The panel being electrical connected with the circuit board is provided between the matrix coil panel (20) and the matrix panel (30) to protect
Device (40) is protected, the panel protector (40) is configured to when the temperature for detecting the matrix panel (30) is more than or equal in advance
If being disconnected during temperature, so that the electromagnetic oven stops heating until working as the temperature for detecting the matrix panel (30) less than described
Re-closed during preset temperature so that the electromagnetic oven continues to heat.
2. recessed disk electromagnetic oven according to claim 1, it is characterised in that the matrix coil panel (20) and the matrix face
The temperature sensor being connected with the circuit board is additionally provided between plate (30), the temperature sensor is used for the temperature for detecting pan
Degree.
3. recessed disk electromagnetic oven according to claim 2, it is characterised in that the panel protector (40) is located at the matrix
On the wire coil bracket (21) of coil panel (20), and the Wen Duan that adopts of the panel protector (40) is connected to the matrix panel (30)
The back side on.
4. recessed disk electromagnetic oven according to claim 3, it is characterised in that opened up on the wire coil bracket (21) for installing
The mounting groove of the panel protector (40), the panel protector (40) are located in the mounting groove.
5. recessed disk electromagnetic oven according to claim 4, it is characterised in that the mounting groove is located at the wire coil bracket (21)
On position corresponding with the magnetic flux average area of the matrix coil panel (20).
6. recessed disk electromagnetic oven according to claim 4, it is characterised in that the magnetic flux average of the matrix coil panel (20)
Area is the circle ring area using the center of the matrix coil panel (20) as the center of circle, and the internal diameter of the circle ring area is (D1+D2)
× 0.4, external diameter is (D1+D2) × 0.6, wherein, the D1 is the outmost turns of matrix coil panel (20) coil (22)
Diameter, the D2 are the diameter of the innermost circle of matrix coil panel (20) coil (22).
7. recessed disk electromagnetic oven according to claim 4, it is characterised in that the panel protector (40) passes through buckle or point
Glue is fixed in the mounting groove.
8. recessed disk electromagnetic oven according to claim 1, it is characterised in that the panel protector (40) is arranged on described recessed
On the back side of type panel (30), and the panel protector (40) is close to the centrally disposed of the matrix panel (30).
9. according to any described recessed disk electromagnetic ovens of claim 1-8, it is characterised in that the preset temperature is the matrix face
The 90% of the heat distortion temperature of plate (30).
10. according to any described recessed disk electromagnetic ovens of claim 1-8, it is characterised in that the matrix panel (30) is use
Panel made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700975.9A CN107559895A (en) | 2017-08-16 | 2017-08-16 | Concave disc electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700975.9A CN107559895A (en) | 2017-08-16 | 2017-08-16 | Concave disc electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559895A true CN107559895A (en) | 2018-01-09 |
Family
ID=60975568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710700975.9A Pending CN107559895A (en) | 2017-08-16 | 2017-08-16 | Concave disc electromagnetic oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559895A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464011A (en) * | 2008-11-24 | 2009-06-24 | 夏云彪 | Electromagnetic stove with improved circuit |
| CN101526237A (en) * | 2009-04-10 | 2009-09-09 | 佛山市富士宝电器科技股份有限公司 | Panel structure of electromagnetic heating device |
| CN201351944Y (en) * | 2008-12-29 | 2009-11-25 | 浙江苏泊尔家电制造有限公司 | Induction cooker with coil temperature protector |
| CN202350132U (en) * | 2011-11-18 | 2012-07-25 | 东莞市前锋电子有限公司 | Electromagnetic oven provided with concave surface |
| CN202733987U (en) * | 2012-07-09 | 2013-02-13 | 美的集团股份有限公司 | Dry heating-resistant protection device for induction cooker pot |
| CN205693917U (en) * | 2016-06-16 | 2016-11-16 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
-
2017
- 2017-08-16 CN CN201710700975.9A patent/CN107559895A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464011A (en) * | 2008-11-24 | 2009-06-24 | 夏云彪 | Electromagnetic stove with improved circuit |
| CN201351944Y (en) * | 2008-12-29 | 2009-11-25 | 浙江苏泊尔家电制造有限公司 | Induction cooker with coil temperature protector |
| CN101526237A (en) * | 2009-04-10 | 2009-09-09 | 佛山市富士宝电器科技股份有限公司 | Panel structure of electromagnetic heating device |
| CN202350132U (en) * | 2011-11-18 | 2012-07-25 | 东莞市前锋电子有限公司 | Electromagnetic oven provided with concave surface |
| CN202733987U (en) * | 2012-07-09 | 2013-02-13 | 美的集团股份有限公司 | Dry heating-resistant protection device for induction cooker pot |
| CN205693917U (en) * | 2016-06-16 | 2016-11-16 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |