CN206453478U - A kind of multi-action computer instructional device - Google Patents
A kind of multi-action computer instructional device Download PDFInfo
- Publication number
- CN206453478U CN206453478U CN201621286642.3U CN201621286642U CN206453478U CN 206453478 U CN206453478 U CN 206453478U CN 201621286642 U CN201621286642 U CN 201621286642U CN 206453478 U CN206453478 U CN 206453478U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- groove
- cabinet
- computer
- desktop
- 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
Links
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a kind of multi-action computer instructional device, relate generally to computer teaching technology field, including desk body, main frame and computer display, the desk body includes desktop and cabinet, the desktop is provided with the first groove and the second groove, the first cover plate is provided with first groove, turnover bracket is provided with first groove, first cover plate is rotated with turnover bracket by first rotating shaft and is connected, first bottom portion of groove is hinged with connecting rod, the connecting rod is hinged by the second rotating shaft with the first cover plate, the computer display is detachably connected on the first cover plate, second groove is provided with the second cover plate, the cabinet is provided with air vent, the air vent is provided with ventilating fan.The beneficial effects of the utility model are：It is easy to teachers ' teaching to use, while ensure that the higher clean-up performance of computer, and radiating effect, extends the service life of computer, it is ensured that teaching demonstration is normally carried out.
Description
Technical field
The utility model is related to computer teaching technology field, specifically a kind of multi-action computer instructional device.
Background technology
Multimedia teaching is the state-of-the-art teaching means that modern education is used, for being difficult to manage in conventional teaching middle school student
The contents of courses such as abstract content, fine structure, the change procedure of solution, by computer-simulated instruction, process are demonstrated, part is put
Greatly, enable student's intuitivism apprehension, mitigate the burden of teacher and increase the interest of student, quality of instruction is got twice the result with half the effort.But
It is, because the characteristic of computer component in itself in clean and ventilation and heat environment, it is necessary to use, and taught in computer
Still dust, the pollution of chalk powder and the bad situation of radiating occur during, makes the lost of life of computer in itself,
Influence normal teaching demonstration.
Utility model content
The purpose of this utility model is to provide a kind of multi-action computer instructional device, is easy to teachers ' teaching to use, together
When ensure that the higher clean-up performance of computer, and radiating effect, extend the service life of computer, it is ensured that teaching demonstration
Be normally carried out.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of multi-action computer instructional device, including desk body, main frame and computer display, the desk body bag
Desktop and cabinet are included, the cabinet is located at below desktop, and the main frame is placed in cabinet, and the desktop is provided with first
The first cover plate is provided with groove and the second groove, first groove, first cover plate is hinged with the first groove, described first
The turnover bracket being adapted with the first cover plate is provided with groove, the turnover bracket is hinged with the first groove, first cover plate
Rotated and be connected by first rotating shaft and turnover bracket, first bottom portion of groove is hinged with connecting rod, the connecting rod passes through the
Two rotating shafts are hinged with the first cover plate, and the computer display is detachably connected on the first cover plate, are set on second groove
There is the second cover plate, second cover plate is transparent material, second cover plate is slidably connected with desktop, first groove and the
Connected between two grooves by groove, the cabinet be provided with air vent, the air vent be provided with ventilating fan, the ventilating fan with
Main frame is electrically connected.
The desktop is provided with the chute being adapted with the second cover plate, and it is recessed away from second that the chute extends to the first groove
The side of groove, second cover plate is provided with the Dustproof brush being adapted with chute.
The periphery of first cover plate is provided with sealing ring.
First cover plate is provided with the first in command, and second cover plate is provided with the second in command.
Electrostatic generator is provided with the cabinet, the electrostatic generator is electrically connected with main frame, the air vent
Metal gauze is provided with, the metal gauze is electrically connected with electrostatic generator, the metal gauze is located at ventilating fan away from calculating
The side of machine host.
Contrast prior art, the beneficial effects of the utility model：
1st, set the first groove and the second groove can be effectively by computer display in the utility model on the table
Placed respectively with the teaching aid such as chalk, blackboard eraser, effectively avoid the pollution to computer display such as dust；First cover plate with
First groove is hinged, and computer display can be made to overturn on the table, and computer display screen upwards, is easy to when in use
Viewing is used, and places computer display screen downwards when that need not use, and the first cover plate can be by computer display
Cover, prevent dust is fallen into the first groove from causing dust pollution, while also allowing for the radiating of computer display；Second cover plate
It can on the table slide, cover the first groove when the second cover plate is slid into above the first groove, it is ensured that Computer display
The cleaning of device, while can be covered computer display using the second cover plate when computer display screen is upward, it is transparent
The second cover plate can prevent pollution of the chalk powder to computer display, and do not influence when erasing the board or carrying out writing on the blackboard
Observation to computer display；Ventilating fan can conduct the hot blast in cabinet, it is ensured that the air circulation in cabinet, protect
The radiating of main frame is demonstrate,proved, the utility model was both easy to teachers ' teaching to use, while ensure that the higher cleaning of computer
Degree, and radiating effect, extend the service life of computer, it is ensured that teaching demonstration is normally carried out.
2nd, the desktop is provided with the chute being adapted with the second cover plate, and the chute extends to the first groove away from second
The side of groove, second cover plate is provided with the Dustproof brush being adapted with chute, ensure that in computer display screen
When curtain is upward, computer display is covered when erasing the board or carrying out writing on the blackboard, coordinates with chute and is able to ensure that the second cover plate
Motion track is fixed, it is ensured that can be completely covered by the first groove, and being designed to of Dustproof brush prevents dust from entering at chute
Enter the first groove.
3rd, the periphery of first cover plate is provided with sealing ring, can further prevent dust from entering the first groove, it is ensured that meter
The higher clean-up performance of calculation machine display.
4th, first cover plate is provided with the first in command, and second cover plate is provided with the second in command, is easy to use operation,
Guarantee to operate the first cover plate and the second cover plate according to service condition, it is ensured that the clean-up performance of computer.
5th, electrostatic generator is provided with the cabinet, the electrostatic generator is electrically connected with main frame, the ventilation
Hole is provided with metal gauze, and the metal gauze is electrically connected with electrostatic generator, and the metal gauze is located at ventilating fan away from meter
The side of machine host is calculated, the radiating effect of main frame in cabinet had both been ensured, while metal gauze coordinates with electrostatic generator
It by adsorbing powder dust, can prevent the dust of main frame from polluting.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is sectional view of the present utility model；
Accompanying drawing 3 is table top set-ups schematic diagram；
Accompanying drawing 4 is the first covering plate structure schematic diagram；
Accompanying drawing 5 is the A portions enlarged drawing in accompanying drawing 3.
Label shown in accompanying drawing：1st, main frame；2nd, computer display；3rd, desktop；4th, cabinet；5th, the first groove；
6th, the second groove；7th, the first cover plate；8th, turnover bracket；9th, first rotating shaft；10th, connecting rod；11st, the second cover plate；12nd, groove；13、
Ventilating fan；14th, chute；15th, the second in command；16th, electrostatic generator；17th, metal gauze.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please limited range.
Described in the utility model is a kind of multi-action computer instructional device, including desk body, main frame 1 and computer
Display 2, the desk body includes desktop 3 and cabinet 4, and desktop 3 is rectangular shape, and the cabinet 4 is located at the lower section of desktop 3, cabinet 4
Set up the both sides below desktop 3 separately.The main frame 1 is placed in one in a cabinet 4, and another cabinet 4 is used to place it
His teaching aid etc..The desktop 3, which is provided with the first groove 5 and the second groove 6, first groove 5, is provided with the first cover plate
7, first cover plate 7 is hinged with the first groove 5, the first cover plate 7 is overturn in the first groove 5.First groove 5
Interior to be provided with the turnover bracket 8 being adapted with the first cover plate 7, the turnover bracket 8 is hinged with the first groove 5, and turnover bracket 8 is hinged
Bottom in the front end of the first groove 5, first cover plate 7 is rotated with turnover bracket 8 by first rotating shaft 9 and is connected, the first cover plate 7
Middle part be hinged with turnover bracket 8, the first cover plate 7 can be rotated in the turnover bracket 8.The bottom of first groove 5 is hinged with
Connecting rod 10, connecting rod 10 is hinged on the first groove 5 at left and right sidewall and positioned at the centre position of bottom, the connecting rod
10 are hinged by the second rotating shaft with the first cover plate 7, and the computer display 2 is detachably connected to the first cover plate by buckle
On 7, the repair and replacement of computer display 2 both it be easy to, simultaneous computer display 2 is in open environment, radiating effect
Preferably.Second groove 6 be provided with the second cover plate 11, second cover plate 11 be transparent material, second cover plate 11 with
Desktop 3 is slidably connected, and is connected between the groove 6 of the first groove 5 and second by groove 12, when the first cover plate 7 is fastened on desktop 3
When, the position of the second cover plate 11 is higher than the first cover plate 7, it is ensured that when the second cover plate 11 slides into the first 7 top of cover plate, the second cover plate
11 block the first cover plate 7, prevent dust etc. from falling into the pollution that the first groove 5 causes computer display 2.On the cabinet 4
Provided with air vent, the air vent is provided with ventilating fan 13, and the ventilating fan 13 is electrically connected with main frame 1, works as computer
When in use, ventilating fan 13 can normal work the hot blast in cabinet 4 is conducted, it is ensured that the air circulation in cabinet 4, protect
The radiating of main frame 1 is demonstrate,proved, the utility model was both easy to teachers ' teaching to use, while ensure that the higher cleaning of computer
Degree, and radiating effect, extend the service life of computer, it is ensured that teaching demonstration is normally carried out.
When in use, the first cover plate 7 of upset is upward by the screen of computer display 2, to observe demonstration for the utility model,
During carrying out writing on the blackboard or erasing the board, the second cover plate 11 is slid into the top of computer display 2, the pollution of dust is prevented,
It is easy to out of second groove 6 teaching aid of taking simultaneously, by the second cover plate 11 in without writing on the blackboard or the presentation process erased the board
The second groove is slid into, is easy to the radiating of computer display 2；Demonstration overturns the first cover plate 7 by Computer display after terminating
The screen of device 2 downwards, prevents dust from falling on computer display 2, and the second cover plate 11 can also be slid into the top of the first cover plate 7,
Further ensure that the cleaning of computer display 2.
In order to further ensure that the cleaning effect of computer, the desktop 3 is provided with the cunning being adapted with the second cover plate 11
Groove 14, the chute 14 extends to side of first groove 5 away from the second groove 6, and second cover plate 11 is provided with and chute
14 adaptable Dustproof brush, Dustproof brush sets up, ensure that when the screen of computer display 2 is upward, Neng Gou
Erase the board or cover computer display 2 when carrying out writing on the blackboard, coordinate with chute 14 and be able to ensure that the moving rail of the second cover plate 11
Mark is fixed, it is ensured that can be completely covered by the first groove 5, and being designed to of Dustproof brush prevents dust from entering at chute 14
One groove 5.
In order to further prevent dust from entering the first groove 5, the periphery of first cover plate 7 is provided with sealing ring, really
Protect the higher clean-up performance of computer display 2.
For the ease of using operation, first cover plate 7 is provided with the first in command, second cover plate 11 is provided with second
Handle 15, it is ensured that can be operated according to service condition to the first cover plate 7 and the second cover plate 11, it is ensured that the cleaning journey of computer
Degree.
It is described quiet in order to ensure to be provided with electrostatic generator 16 in cleaning of the present utility model and radiating effect, the cabinet 4
Electric generator 16 is electrically connected with main frame 1, and the air vent is provided with metal gauze 17, the metal gauze 17 and electrostatic
Generator 16 is electrically connected, and the metal gauze 17 is located at side of the ventilating fan 13 away from main frame 1, has both ensured in cabinet 4
The radiating effect of main frame 1, adsorbing powder dust while metal gauze 17 coordinates with electrostatic generator 16 can be prevented from calculating
The dust pollution of machine host 1, air vent is located at the rear side of cabinet 4, and the outside of cabinet 4 is provided with shielding plate, shielding plate and cabinet 4
Rotate connection, air vent is appeared when computer rotates shielding plate when in use, it is ensured that ventilation effect, when computer without using
When, shielding plate blocks air vent, it is to avoid dust falls into cabinet 4, it is ensured that the cleaning of computer.
Embodiment：Described in the utility model is a kind of multi-action computer instructional device, including desk body, main frame 1
With computer display 2, the desk body includes desktop 3 and cabinet 4, and desktop 3 is rectangular shape, and the cabinet 4 is located under desktop 3
Side, cabinet 4 sets up the both sides below desktop 3 separately.The main frame 1 is placed in cabinet 4, and the desktop 3 is recessed provided with first
The groove 6 of groove 5 and second, the first cover plate 7 is provided with first groove 5, and first cover plate 7 is hinged with the first groove 5, makes the
One cover plate 7 can be overturn in the first groove 5.The periphery of first cover plate 7 is provided with sealing ring, can further prevent dust
Into the first groove 5, it is ensured that the higher clean-up performance of computer display 2.It is provided with and the first cover plate 7 in first groove 5
Adaptable turnover bracket 8, the turnover bracket 8 is hinged with the first groove 5, and turnover bracket 8 is hinged on the front end of the first groove 5
Bottom, first cover plate 7 is rotated with turnover bracket 8 by first rotating shaft 9 and is connected, middle part and the turnover bracket 8 of the first cover plate 7
It is hinged, the first cover plate 7 can be rotated in turnover bracket 8.The bottom of first groove 5 is hinged with connecting rod 10, connecting rod 10
Be hinged on the first groove 5 at left and right sidewall and positioned at bottom centre position, the connecting rod 10 by the second rotating shaft with
First cover plate 7 is hinged, and the computer display 2 is detachably connected on the first cover plate 7 by buckle, has both been easy to computer to show
Show the repair and replacement of device 2, meanwhile, computer display 2 is in open environment, and radiating effect is preferable.Second groove 6
The second cover plate 11 is provided with, second cover plate 11 is transparent material, and second cover plate 11 is slidably connected with desktop 3, desktop 3
The chute 14 being adapted with the second cover plate 11 is provided with, the chute 14 extends to one of the first groove 5 away from the second groove 6
Side, second cover plate 11 be provided with chute 14 be adapted Dustproof brush, ensure that the screen of computer display 2 to
When upper, computer display 2 can be covered when erasing the board or carrying out writing on the blackboard, and coordinate with chute 14 and be able to ensure that the second lid
The motion track of plate 11 is fixed, it is ensured that can be completely covered by the first groove 5, and being designed to of Dustproof brush prevents dust from chute
Enter the first groove 5 at 14.First cover plate 7 is provided with the first in command, and second cover plate 11 is provided with the second in command 15,
It is easy to use operation, it is ensured that the first cover plate 7 and the second cover plate 11 can be operated according to service condition, it is ensured that computer
Clean-up performance.Connected between the groove 6 of first groove 5 and second by groove 12, when the first cover plate 7 is fastened on desktop 3, the
The position of two cover plates 11 is higher than the first cover plate 7, it is ensured that when the second cover plate 11 slides into the first 7 top of cover plate, and the second cover plate 11 will
First cover plate 7 is blocked, and prevents dust etc. from falling into the pollution that the first groove 5 causes computer display 2.The cabinet 4 is provided with
Air vent, the air vent is provided with ventilating fan 13, and the ventilating fan 13 is electrically connected with main frame 1, when computer makes
Used time, ventilating fan 13 can normal work the hot blast in cabinet 4 is conducted, it is ensured that the air circulation in cabinet 4, it is ensured that meter
Calculate and electrostatic generator 16 be provided with the radiating of machine host 1, cabinet 4, the electrostatic generator 16 is electrically connected with main frame 1,
The air vent is provided with metal gauze 17, and the metal gauze 17 is electrically connected with electrostatic generator 16, the metal gauze 17
Positioned at side of the ventilating fan 13 away from main frame 1, the radiating effect of main frame 1 in cabinet 4 had both been ensured, while metal
Gauze 17 coordinates with electrostatic generator 16 by adsorbing powder dust, can prevent the dust of main frame 1 from polluting.The utility model was both
It is easy to teachers ' teaching to use, while the higher clean-up performance of computer is ensure that, and radiating effect, extend making for computer
With the life-span, it is ensured that teaching demonstration is normally carried out.
Claims (5)
1. a kind of multi-action computer instructional device, including desk body, main frame (1) and computer display (2), its feature
It is：The desk body includes desktop (3) and cabinet (4), and the cabinet (4) is located at below desktop (3), the main frame
(1) it is placed in cabinet (4), the desktop (3) is provided with the first groove (5) and the second groove (6), first groove (5)
Provided with the first cover plate (7), first cover plate (7) is hinged with the first groove (5), is provided with and first in first groove (5)
The adaptable turnover bracket (8) of cover plate (7), the turnover bracket (8) is hinged with the first groove (5), and first cover plate (7) is led to
Cross first rotating shaft (9) to be connected with turnover bracket (8) rotation, the first groove (5) bottom is hinged with connecting rod (10), the company
Extension bar (10) is hinged by the second rotating shaft with the first cover plate (7), and the computer display (2) is detachably connected on the first cover plate
(7) on, second groove (6) is provided with the second cover plate (11), and second cover plate (11) is transparent material, second lid
Plate (11) is slidably connected with desktop (3), is connected between first groove (5) and the second groove (6) by groove (12), the cabinet
Body (4) is provided with air vent, and the air vent is provided with ventilating fan (13), the ventilating fan (13) and main frame (1) electricity
Connection.
2. a kind of multi-action computer instructional device according to claim 1, it is characterised in that：Set on the desktop (3)
There is the chute (14) being adapted with the second cover plate (11), the chute (14) extends to the first groove (5) away from the second groove (6)
Side, second cover plate (11) be provided with chute (14) be adapted Dustproof brush.
3. a kind of multi-action computer instructional device according to claim 1, it is characterised in that：First cover plate (7)
Periphery be provided with sealing ring.
4. a kind of multi-action computer instructional device according to claim 1, it is characterised in that：First cover plate (7)
The first in command is provided with, second cover plate (11) is provided with the second in command (15).
5. a kind of multi-action computer instructional device according to claim 1, it is characterised in that：Set in the cabinet (4)
There is electrostatic generator (16), the electrostatic generator (16) electrically connects with main frame (1), the air vent is provided with metal
Gauze (17), the metal gauze (17) electrically connects with electrostatic generator (16), and the metal gauze (17) is located at ventilating fan
(13) side away from main frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286642.3U CN206453478U (en) | 2016-11-25 | 2016-11-25 | A kind of multi-action computer instructional device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286642.3U CN206453478U (en) | 2016-11-25 | 2016-11-25 | A kind of multi-action computer instructional device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206453478U true CN206453478U (en) | 2017-09-01 |
Family
ID=59692590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621286642.3U Expired - Fee Related CN206453478U (en) | 2016-11-25 | 2016-11-25 | A kind of multi-action computer instructional device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206453478U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107836836A (en) * | 2017-11-22 | 2018-03-27 | 李自辉 | A kind of computer based mathematical education equipment |
| CN107844719A (en) * | 2017-11-22 | 2018-03-27 | 李自辉 | A kind of computer media equipment |
| CN107836837A (en) * | 2017-11-22 | 2018-03-27 | 李自辉 | A kind of computer teaching table |
| CN107886777A (en) * | 2017-11-22 | 2018-04-06 | 李自辉 | A kind of mathematical machine teaching equipment |
| CN108209156A (en) * | 2018-01-05 | 2018-06-29 | 郑州云海信息技术有限公司 | A kind of multi-angle rotary tablet computer table |
| CN108741652A (en) * | 2018-06-21 | 2018-11-06 | 淮北智淮科技有限公司 | A kind of computer workbench |
| CN109935166A (en) * | 2019-01-07 | 2019-06-25 | 杭州易明远科技有限公司 | One kind browsing formula data visualization device |
| CN110897348A (en) * | 2019-12-05 | 2020-03-24 | 中山市福园雅居家具有限公司 | Dining table with protection function |
| CN112043077A (en) * | 2020-09-02 | 2020-12-08 | 江西财经大学 | Data record display device for supply chain management |
-
2016
- 2016-11-25 CN CN201621286642.3U patent/CN206453478U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107836836A (en) * | 2017-11-22 | 2018-03-27 | 李自辉 | A kind of computer based mathematical education equipment |
| CN107844719A (en) * | 2017-11-22 | 2018-03-27 | 李自辉 | A kind of computer media equipment |
| CN107836837A (en) * | 2017-11-22 | 2018-03-27 | 李自辉 | A kind of computer teaching table |
| CN107886777A (en) * | 2017-11-22 | 2018-04-06 | 李自辉 | A kind of mathematical machine teaching equipment |
| CN108209156A (en) * | 2018-01-05 | 2018-06-29 | 郑州云海信息技术有限公司 | A kind of multi-angle rotary tablet computer table |
| CN108741652A (en) * | 2018-06-21 | 2018-11-06 | 淮北智淮科技有限公司 | A kind of computer workbench |
| CN109935166A (en) * | 2019-01-07 | 2019-06-25 | 杭州易明远科技有限公司 | One kind browsing formula data visualization device |
| CN110897348A (en) * | 2019-12-05 | 2020-03-24 | 中山市福园雅居家具有限公司 | Dining table with protection function |
| CN112043077A (en) * | 2020-09-02 | 2020-12-08 | 江西财经大学 | Data record display device for supply chain management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206453478U (en) | A kind of multi-action computer instructional device | |
| CN206605958U (en) | It is a kind of to draw the English teaching board of the lattice of four line three | |
| WO2018036042A1 (en) | Mathematics teaching tool for education | |
| CN207473873U (en) | A kind of English intelligent tutoring device | |
| CN206564045U (en) | A kind of Multifunctional English teaching demonstrating board | |
| CN106626899A (en) | Teaching aid for Chinese teaching in university | |
| CN206863983U (en) | A kind of tourism management specialty instructional device | |
| CN206249595U (en) | A kind of operating desk of novel information technique teaching | |
| CN206400796U (en) | The exhibiting device that financial Teaching reform is used | |
| CN107443965A (en) | A kind of English teaching board | |
| CN208589158U (en) | A kind of English word teaching explanation displaying device | |
| CN108068515A (en) | A kind of novel environment protection blackboard | |
| CN206400818U (en) | A kind of Dustless writing board all-in-one | |
| CN205428259U (en) | Novel computer teaching device | |
| CN210627521U (en) | Accounting report experiment teaching simulation system | |
| CN201432513Y (en) | rotatable blackboard | |
| CN213814640U (en) | Teaching board for mathematics classroom teaching | |
| KR20170071847A (en) | automatic blackboard eraser | |
| CN210955558U (en) | Tourism english teaching aid | |
| CN208938382U (en) | A kind of English teaching displaying device | |
| CN208827405U (en) | Blackboard with mathematics drawing and graphical display tool | |
| CN203957629U (en) | Automatic erasing dust-free black board | |
| CN209232267U (en) | A kind of industrial robot instructional device | |
| CN207637315U (en) | A kind of e-learning machine | |
| CN201251855Y (en) | Multifunctional multimedia for teaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20181125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |