CN106569433A - Automatic hen house light supplement egg counting device - Google Patents
Automatic hen house light supplement egg counting device Download PDFInfo
- Publication number
- CN106569433A CN106569433A CN201610563900.6A CN201610563900A CN106569433A CN 106569433 A CN106569433 A CN 106569433A CN 201610563900 A CN201610563900 A CN 201610563900A CN 106569433 A CN106569433 A CN 106569433A
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- circuit
- light
- controller
- hen house
- hen
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- 239000013589 supplement Substances 0.000 title abstract description 6
- 238000005286 illumination Methods 0.000 claims abstract description 27
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims abstract description 10
- 235000013601 eggs Nutrition 0.000 claims description 30
- 241000287828 Gallus gallus Species 0.000 claims description 14
- 230000005693 optoelectronics Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000036541 health Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 210000000436 anus Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007537 lampworking Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an automatic hen house light supplement egg counting device. The automatic hen house light supplement egg counting device mainly comprises a controller, a photosensitive circuit, a reset circuit, a crystal oscillator circuit, a sound emitting module, a light switch control circuit and a photoelectric induction counting module, wherein electric signals are sent by the photosensitive circuit, the reset circuit and the crystal oscillator circuit to the controller, the light switch control circuit is controlled by the controller through controlling illumination intensity and time signals for carrying out light control, the photoelectric induction counting module is connected with the controller, and statistics of the egg yield quantity of each hen in each day is carried out. Through the device, a problem that increase of a hen egg yield quantity is influenced by high design cost, or complex design and unreasonable light supplement modes existing in a light supplement device in the prior art can be solved, and whether a hen is in a health state can be determined according to the egg yield quantity.
Description
Technical field
The present invention relates to automatic control technology field, in particular it relates to a kind of hen house automatic light-supplementing meter egg device.
Background technology
Illumination has a great impact to the egg production of hen house hen, therefore in market substantially by the way of artificially feed
Light filling is carried out to hen house, and automatic light compensating apparatus design and installation cost is very high, and the light and shade of basic simply sensing illumination is come
Light filling, light filling custom is carried out at night, but in real work, be a peak of power consumption in the evening, and intensity of illumination is often not enough and Jing
Often there is power failure light filling, not only do not reach the purpose of light filling, also prevent same day last time feeding from being normally carried out
During the present invention is realized, at least there is light compensating apparatus design cost in inventor's discovery prior art high or numerous
Trivial, light filling mode is unreasonable, have impact on hen egg production lifting, while in prior art, it is difficult to according to the outer table status of hen
Judge the hen whether defect such as health.
The content of the invention
It is an object of the present invention to be directed to the problems referred to above, a kind of hen house automatic light-supplementing meter egg device is proposed, to overcome light filling
Device design cost is high or loaded down with trivial details, and light filling mode is unreasonable, have impact on hen egg production lifting, while exist improving egg production
The defect such as means are single.
For achieving the above object, the technical solution used in the present invention is：A kind of hen house automatic light-supplementing meter egg device, main bag
Include：Controller, photosensitive circuit, reset circuit, crystal oscillating circuit, sounding module, headlamp switch control circuit and optoelectronic induction are counted
Electric signal is sent to controller by module, the photosensitive circuit, reset circuit, crystal oscillating circuit, and controller is strong by control illumination
Degree and time signal control headlamp switch circuit, and light is controlled, and the optoelectronic induction technology modules are connected with controller,
The daily amount of laying eggs of every chicken of statistics.
Further, also including DC-stabilized circuit, 220V civil powers are carried out to obtain after transformation, rectification, filtering, voltage stabilizing
The D.C. regulated power supply of 5V is obtained, for each module low-voltage dc power supply is provided..
Further, the headlamp switch circuit is specifically, including a relay, a PNP triode, light-emitting diodes
Pipe, two different valued resistors a, protection diode, single-chip microcomputer sends a control signal, and PNP triode base stages connect low electricity
Pressure, triode ON, the inductor wire of electromagnetic relay is powered, and producing magnetic force makes switch adhesive, when control signal terminates in a flash
When, due to self-induction, the inductance in relay can produce larger instantaneous reversed bias voltage, be to protect the not breakdown damage of triode,
Plus reversal connection diode protection triode.
Further, device also includes liquid crystal display LCD1602.
Various embodiments of the present invention, due to mainly including：Including controller, photosensitive circuit, reset circuit, crystal oscillating circuit,
Sounding module, headlamp switch control circuit and optoelectronic induction counting module, the photosensitive circuit, reset circuit, crystal oscillating circuit will
Electric signal is sent to controller, and controller controls headlamp switch circuit, light is entered by control intensity of illumination and time signal
Row control, the optoelectronic induction technology modules are connected with controller, count the daily amount of laying eggs of every chicken；Such that it is able to overcome
Light compensating apparatus design cost is high or loaded down with trivial details in prior art, and light filling mode is unreasonable, have impact on the defects such as hen egg production lifting,
Realize simultaneously and judge whether hen is healthy according to every chicken amount of laying eggs.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the present invention.
Below by embodiment, technical scheme is described in further detail.
Specific embodiment
Below in conjunction with illustrating to the preferred embodiments of the present invention, it will be appreciated that preferred embodiment described herein
The present invention is merely to illustrate and is explained, is not intended to limit the present invention.
Specifically, a kind of hen house automatic light-supplementing meter egg device, mainly includes：Including controller, photosensitive circuit, reset electricity
Road, crystal oscillating circuit, sounding module, headlamp switch control circuit and optoelectronic induction counting module, the photosensitive circuit, reset electricity
Electric signal is sent to controller by road, crystal oscillating circuit, and controller controls headlamp switch by control intensity of illumination and time signal
Circuit, is controlled to light, and the optoelectronic induction technology modules are connected with controller, and every the daily of chicken of statistics lays eggs
Amount.
Also include DC-stabilized circuit, 220V civil powers are carried out to obtain the straight of 5V after transformation, rectification, filtering, voltage stabilizing
Stream voltage-stabilized power supply, for each module low-voltage dc power supply is provided..
The headlamp switch circuit is not specifically, including a relay, a PNP triode, light emitting diode, two are
Same valued resistor a, protection diode, single-chip microcomputer sends a control signal, and PNP triode base stages connect low-voltage, triode
Conducting, the inductor wire of electromagnetic relay is powered, and producing magnetic force makes switch adhesive, when control signal terminates in a flash, due to certainly
Sense, the inductance in relay can produce larger instantaneous reversed bias voltage, be to protect the not breakdown damage of triode, plus the pole of reversal connection two
Protection of pipe triode.
Device also includes liquid crystal display LCD1602.
For this, we have received preferable effect using the method for early morning light filling.4: 00 points of the time of light filling from early morning opens
Begin to afternoon 8: 00 points to terminate.Appropriate adjustment is done also dependent on the rule of concrete condition or power failure.The method of light filling is by hen house
The switch and water supply master switch of bulb is located in bedroom.Added good feed in hopper before at 8: 00 points in evening, each tank is supplied into current
Speed is adjusted, and water, electric master switch are closed to indoor.4: 00 sound of alarm clock one of early morning, open electrical switch, and poultry raiser can be after
Continuous rest goes again hen house to work to after 6: 00 points.The advantage of early morning light filling:Early morning supplementary light can be avoided because evening electricity consumption is high
Peak and make hen house illumination not enough, or because power failure prevents light filling from the phenomenon that is normally carried out;Evening summer heat, laying hen appetite
Decline early morning air to feel nice and cool, chicken feed intake increase enables nutrition to supplement;Night in winter is cold, and early morning light filling passes through can chicken group
Search for food and move to increase heat production and maintain hen house temperature;Conventional evening light filling, the daily peak of laying eggs of chicken group is in the morning, afternoon
Collect and can only treat after egg 2d sales.Egg is placed in hen house and is polluted by fly, mouse and dust, not only from outward appearance
On have impact on the freshness of egg, while because the evaporation of moisture in egg reduces egg size, affecting income.
It is further noted that following 7 points：
1. thorough light schedule must be formulated, and is put into practice conscientiously, must not be given up halfway.
2. in finishing period, daily light application time should keep constant or gradually decrease, and be sure not to increase.But during illumination daily
Between can not be less than 6 hours.
3. in laying period, daily light application time should keep constant or gradually increase, and be sure not to reduce, but during illumination daily
Between do not exceed 17 hours.
4. in laying period, it has to be noted that the increase of light application time should be gradual, it is impossible to unexpected substantial increase, no
Then easily cause the generation of the illnesss such as the prolapse of the anus of chicken.
5. the color and light application time of light must not be arbitrarily changed, stopping production can be otherwise caused.It is general all to adopt red or white
Illumination, its result all has improvement in terms of the quality of egg production and egg, and can prevent or reduce feather picking, peck anus, have a fist fight
Etc. the generation of pernicious habit.While the aspect such as growth and food consumption to chicken can also receive preferable effect.
6. should uniformity in intensity of illumination.And light should be gradually bright or dark, otherwise frightened group can be caused anti-
Answer, turn off the light suddenly or light application time shortening can all be caused soon very much the adverse consequences such as moult, the lopsided egg of product, or even stopping production.
7. must the feeding and management measure of strengthening comprehension property, to carry out conscientiously chicken epidemic prevention and control work, to guarantee artificial light
According to effect.
Light emitting diode adopts peony supplementing light for greenhouse light source, can more effectively meet the needs of crop photosynthesis, energy-conservation
Benefit also becomes apparent from.
The design realizes the control circuit that illumination control and clock control combine using common electronic devices and components, makes chicken
Constant 18 hours between 4:00 AM at 10 points in evening of house light application time, fine day realize at dusk, double periods in morning mend
Light, while solving the problems, such as rainy weather light filling, at the change of season also without regulation, has substantially met actual demand,
Suitable for the chicken farm of middle and small scale.
Two kinds of control modes of illumination control and clock control be superimposed be exactly light filling actual effect, summer light filling reality
Having showed morning shifts to an earlier date two hours and mends light, and daybreak is followed by by natural light, and two hour light fillings are continued after darkness.With round the clock when
Difference；Spring, summer, autumn, light filling time in winter are voluntarily adjusted, and the light filling time in winter is relatively most long, and the light filling time can shift to an earlier date and prolongation 4-5 is little
When as long as.Adjusted by photo resistance, there can also be the function of overcast and rainy whole day automatic light-supplementing.
First, a light-operated detection circuit is designed using characteristic of photoresistance value.Without during illumination, single-chip microcomputer respective pins are given
One high level signal, to one low level signal of the pin when having illumination（It is set to input signal）.
Scm software is recycled to realize clock control：When an input signal is present, single-chip microcomputer respective pins are high level；When
During without input signal, and the time is in 4 points of morning at 10 in the evening, and the single-chip microcomputer pin is low level signal（If output letter
Number）If not in this time period, the pin is still high level.
One headlamp switch control circuit of relay design is recycled, when there is output signal, relay adhesive makes lamp working,
When not having output signal, relay not adhesive electric light does not work.
According to photo resistance operation principle, when illumination is less than 100LUX, photo resistance is more than or equal to 2M Ω, works as light
During according to more than 100LUX, the last resistance that diminishes rapidly in photo resistance 30ms is between 1 Ω -10 Ω.What the design was selected can
Adjust resistance model 3296, close 0 Ω of minimum resistance is 5 M Ω to the maximum.Single-chip microcomputer STC89C52 pin voltages are considered as more than 1.8V
High level, less than 0.7V low level is considered as.In the module design, it is desirable to have illumination（More than 100LUX）When, input signal is low
Level；Without illumination（Less than 100LUX）When, input signal
For high level.When illumination is less than 100LUX, photo resistance is in dark resistance to applied signal voltage V=5R6/R1+R6（≥2M
Ω）.According to design requirement, the corresponding pin of single-chip microcomputer should be in high level (＞ 1.8V), draw adjustable electric
Resistance R6 is less than 3.6M.When illumination is more than 100LUX, photo resistance is in light resistance（1Ω-10Ω）, single-chip microcomputer respective pins
It should be in low level（0.7 ＜）, show that adjustable resistance R6 is more than 6.1 Ω（Non-precision value）.According to data are calculated, the design is in kind
Middle adjustable resistance is adjusted to 6K Ω.
When circuit brings into operation, initialization, liquid crystal display the first row shows letter：ZhiNengBuGuang, the second row
Show initial time：06:00:00. time-program(me) brings into operation, and time showing becomes once for one second（It is synchronous with second）；When second
For 60 when, second zero, minute adds one, and when minute is 60, minute zero, hour adds one, and hour is
When 24, hour zero.Time adjustment adjusts respectively minute, hour according to two touch-switch.By once and loose
Switch, corresponding minute or hour add one, and minute to 60 zeros, hour is to 24 zeros.When the conciliation time,
Second walk as usual.In illumination detection program, when there is illumination, single-chip microcomputer respective pins receive a low level signal,
It is high level without respective pins during illumination.Illumination detects that program and timing routine jointly control the corresponding pin of single-chip microcomputer, makes
Corresponding pin output signal（Low level）Give light switch control circuit.When there is illumination, not to output signal, lamp goes out.
Following beneficial effect can at least be reached：Overcome light compensating apparatus design cost in prior art high or loaded down with trivial details, light filling
Mode is unreasonable, the defects such as hen egg production lifting is have impact on, while realizing according to whether every chicken amount of laying eggs judges hen
Health.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (4)
1. hen house automatic light-supplementing meter egg device, it is characterised in that including controller, photosensitive circuit, reset circuit, crystal oscillating circuit,
Sounding module, headlamp switch control circuit and optoelectronic induction counting module, the photosensitive circuit, reset circuit, crystal oscillating circuit will
Electric signal is sent to controller, and controller controls headlamp switch circuit, light is entered by control intensity of illumination and time signal
Row control, the optoelectronic induction counting module is connected with controller, counts the daily amount of laying eggs of every chicken.
2. hen house automatic light-supplementing meter egg device according to claim 1, it is characterised in that also including D.C. regulated power supply electricity
Road, carries out obtaining the D.C. regulated power supply of 5V after transformation, rectification, filtering, voltage stabilizing to 220V civil powers, and for each module low-pressure direct is provided
Stream power supply.
3. hen house automatic light-supplementing meter egg device according to claim 3, it is characterised in that the headlamp switch circuit is concrete
For, including a relay, a PNP triode, light emitting diode, two different valued resistors, a protection diode, list
Piece machine sends a control signal, and PNP triode base stages connect low-voltage, and triode ON, the inductor wire of electromagnetic relay is powered,
Producing magnetic force makes switch adhesive, and when control signal terminates in a flash, due to self-induction, the inductance in relay can produce larger
Instantaneous reversed bias voltage, is to protect the not breakdown damage of triode, plus reversal connection diode protection triode.
4. hen house automatic light-supplementing meter egg device according to claim 3, it is characterised in that device also includes liquid crystal display
LCD1602。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563900.6A CN106569433A (en) | 2016-07-18 | 2016-07-18 | Automatic hen house light supplement egg counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563900.6A CN106569433A (en) | 2016-07-18 | 2016-07-18 | Automatic hen house light supplement egg counting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106569433A true CN106569433A (en) | 2017-04-19 |
Family
ID=58532164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563900.6A Pending CN106569433A (en) | 2016-07-18 | 2016-07-18 | Automatic hen house light supplement egg counting device |
Country Status (1)
| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0100209A2 (en) * | 1982-07-22 | 1984-02-08 | Eggtronics Limited | Egg counting device |
| CN2317637Y (en) * | 1997-12-31 | 1999-05-12 | 肖鑫峰 | Photoelectric automatic controller for egg hen lighting time |
| CN101073312A (en) * | 2006-05-15 | 2007-11-21 | 大荷兰人国际有限公司 | Sensor for countering egg |
| CN101965807A (en) * | 2010-08-25 | 2011-02-09 | 河北农业大学 | Individual record of laying hen production performance and chicken coop environment automatic monitoring system |
| CN103702468A (en) * | 2013-11-15 | 2014-04-02 | 赤峰市农牧科学研究院 | Intelligent full-automatic lighting controller for laying hen cage and circuit control method for intelligent full-automatic lighting controller |
| CN204291981U (en) * | 2014-10-31 | 2015-04-29 | 颍上县润海畜禽养殖有限公司 | A kind of poultry with voice control system is given up |
| CN105188199A (en) * | 2015-08-25 | 2015-12-23 | 芜湖市恒峰科技有限公司 | Automatic light supplement circuit for culturing farm |
-
2016
- 2016-07-18 CN CN201610563900.6A patent/CN106569433A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0100209A2 (en) * | 1982-07-22 | 1984-02-08 | Eggtronics Limited | Egg counting device |
| CN2317637Y (en) * | 1997-12-31 | 1999-05-12 | 肖鑫峰 | Photoelectric automatic controller for egg hen lighting time |
| CN101073312A (en) * | 2006-05-15 | 2007-11-21 | 大荷兰人国际有限公司 | Sensor for countering egg |
| CN101965807A (en) * | 2010-08-25 | 2011-02-09 | 河北农业大学 | Individual record of laying hen production performance and chicken coop environment automatic monitoring system |
| CN103702468A (en) * | 2013-11-15 | 2014-04-02 | 赤峰市农牧科学研究院 | Intelligent full-automatic lighting controller for laying hen cage and circuit control method for intelligent full-automatic lighting controller |
| CN204291981U (en) * | 2014-10-31 | 2015-04-29 | 颍上县润海畜禽养殖有限公司 | A kind of poultry with voice control system is given up |
| CN105188199A (en) * | 2015-08-25 | 2015-12-23 | 芜湖市恒峰科技有限公司 | Automatic light supplement circuit for culturing farm |
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| CB02 | Change of applicant information |
Address after: 545006 No. 20, No. 2, 2 District, E, district 102, new Liu Road, Liuzhou, the Guangxi Zhuang Autonomous Region. Applicant after: LIUZHOU GUOTAO TECHNOLOGY CO., LTD. Address before: 545005 No. 1, unit 1, Kim Du Hui, 16 Tan Zhong Xi Road, Liuzhou, the Guangxi Zhuang Autonomous Region, No. 5-13 Applicant before: LIUZHOU GUOTAO TECHNOLOGY CO., LTD. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170419 |
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