CN206880756U - White mouse cuts cercoids - Google Patents
White mouse cuts cercoids Download PDFInfo
- Publication number
- CN206880756U CN206880756U CN201721452410.5U CN201721452410U CN206880756U CN 206880756 U CN206880756 U CN 206880756U CN 201721452410 U CN201721452410 U CN 201721452410U CN 206880756 U CN206880756 U CN 206880756U
- Authority
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- China
- Prior art keywords
- cutting knife
- groove
- gear
- fixed cylinder
- connecting rope
- 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
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- 240000003186 Stachytarpheta cayennensis Species 0.000 claims description 20
- 235000009233 Stachytarpheta cayennensis Nutrition 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 abstract description 10
- 230000003116 impacting effect Effects 0.000 abstract description 6
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 238000010008 shearing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000581650 Ivesia Species 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003194 forelimb Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Catching Or Destruction (AREA)
Abstract
White mouse, which cuts cercoids, includes fixed plate, transparent fixed cylinder is set in fixed plate, fixed cylinder both ends open, scale mark is set along its length in fixed cylinder, the end side of fixed cylinder sets fixing axle, is respectively articulated with one end of the first cutting knife of arc and one end of the second cutting knife of arc in fixing axle, the first cutting knife and the second cutting knife is setting up and down and arc opening is relative, the other end of first cutting knife or the second cutting knife distinguishes mounting knob, and the first cutting knife or the second cutting knife touch with fixed cylinder one end end face.The utility model has the advantages that：The utility model be able to can avoid impacting experimental result in experiment, and in experimentation, white mouse is in rest state, can ensure that stable experiment is carried out, while docking length can also precisely be sheared according to experiment demand, avoid impacting experimental result.
Description
Technical field
It the utility model is related to one kind and cut cercoids, especially white mouse cuts cercoids.
Background technology
White mouse is a kind of conventional experimental animal, and it is also a kind of conventional blood extracting method that docking, which takes blood, currently without experiment
Room instrument and equipment is specifically used to docking and takes blood, therefore, when carrying out docking in laboratory at present and taking blood, needs one hand of staff to grab
White mouse, another hand holds scissors and white mouse is docked, this mode both easily because bad fixed form makes white mouse is irritated to struggle,
It is unfavorable for the progress of experiment, due also to can only be docked with operator's experience, can not be according to experiment demand to docking length essence
Quasi- shearing, is easily impacted to experimental result.
Utility model content
The purpose of this utility model is that providing white mouse cuts cercoids, and it is a kind of laboratory instrument for being specifically used to docking and taking blood
Device equipment, it can effectively fix white mouse, white mouse is in rest state in an experiment, ensure that stable experiment is carried out, while can also
Docking length is precisely sheared according to experiment demand, avoids impacting experimental result.
Technical scheme is used by the utility model solves its technical problem：White mouse cuts cercoids, including fixed plate, fixed
Transparent fixed cylinder is set on plate, fixed cylinder both ends open, scale mark, the end of fixed cylinder are set along its length in fixed cylinder
Portion side sets fixing axle, and one end of the first cutting knife of arc and one end of the second cutting knife of arc are respectively articulated with fixing axle,
First cutting knife and the second cutting knife is setting up and down and arc opening is relative, the other end difference installing handle of the first cutting knife or the second cutting knife
Hand, the first cutting knife or the second cutting knife touch with fixed cylinder one end end face.
The utility model in order to further solve its technical problem used by technical scheme be：Divide in described fixed plate
She Zhi not bandage, two mouse pawl fixing devices and rat-tail fixing device.Two and fixed cylinder are opened up in described fixed plate respectively
The first parallel chute and second chute vertical with fixed cylinder, the first chute is interior to coordinate the first sliding block of installation, and bandage both ends are consolidated
It is scheduled on two the first sliding blocks, two the second sliding blocks of installation is coordinated in the second chute, two mouse pawl fixing devices are respectively at two
On second sliding block, rat-tail fixing device is between mouse pawl fixing device and fixed cylinder.Described rat-tail fixing device has two
Installing plate and two extension springs, two installing plates are separately mounted to fixed plate both sides, and two extension springs are separately mounted to corresponding installation
On plate, the first connecting rope and the second connecting rope are set respectively, the first connecting rope and the second connecting rope pass through connection in two extension springs
Set connects, and is equipped with clip on one end end of the first connecting rope, adapter sleeve opens up the first groove along its length, and first is recessed
Groove is engaged with the width of the first connecting rope, opens up the second groove, fixing groove and holding tank on adapter sleeve respectively, the first groove with
Second groove is communicated, and the second groove is engaged with the width of clip, and the second groove communicates with fixing groove, fixing groove and holding tank phase
It is logical, fan-shaped limiting plate is set in fixing groove, and the inner side cambered surface of limiting plate is engaged with clip outer surface, the inside arc of limiting plate
The connection end matching ends of stopper slot, stopper slot and clip are opened up on face, gear ring is set in the outside cambered surface of limiting plate, are accommodated
First gear, electric shifting fork and fixed plate, gear ring is set to be engaged all the time with first gear in groove, first gear is arranged on the first tooth
On wheel shaft, set key in fixed plate, first gear axle can be allocated to by electric shifting fork to be coordinated with key, is set on electric shifting fork long-range
Module, fixing groove is interior to set at least two fix bars, the chute of arc is opened up on limiting plate, fix bar is located in chute, spacing
Plate can be rotated in fixing groove by chute along fix bar, and one end of the second connecting rope is connected with adapter sleeve.Described connection
Connecting hole and link slot are opened up in set, connecting hole and link slot communicate, and set second gear axle in link slot, second gear axle with
First gear axle is linked by transmission device, and second gear is set on second gear axle, and second gear both sides engage first respectively
Rack and the second rack, the first rack lower end connect several first clamp bars by the first cross bar, and the second rack upper end passes through second
Cross bar connects several second clamp bars, and several first clamp bars and several second clamp bars are respectively positioned in connecting hole, and the one of the second connecting rope
End is between several first clamp bars and several second clamp bars.Torsion spring is set on described second gear axle.Described several
One clamp bar and several second clamp bars are interlaced.
The beneficial effects of the utility model are：The utility model be it is a kind of be specifically used to docking take the Laboratory Instruments of blood to set
Standby, the arc opening of its first cutting knife and the second cutting knife is relative to form otch.The utility model can be pressed white mouse in experiment
In fixed plate or desktop, rat-tail is entered into fixed cylinder through otch, read by the scale mark in fixed cylinder needed for experiment
Rat-tail length, then control handle close the first cutting knife and the second cutting knife, so as to by rat-tail according to experiment needed for length
Sheared, avoid impacting experimental result, in experimentation, white mouse is in rest state, can ensure stable experiment
Carry out, while docking length can also precisely be sheared according to experiment demand, avoid impacting experimental result.
Brief description of the drawings：
Fig. 1 is the utility model structure diagram；Fig. 2 is Fig. 1 A-A sectional views；Fig. 3 is Fig. 1 top view；Fig. 4 is
Fig. 2 another structure chart；Fig. 5 is Fig. 4 top view；Fig. 6 is Fig. 5 I enlarged drawing；Fig. 7 is Fig. 6 B to enlarged drawing；Figure
8 be Fig. 7 another state diagram；Fig. 9 is the line C-C cutaway view Amplified image along Fig. 6；Figure 10 is the line D-D sectional view along Fig. 9.
Embodiment
White mouse cuts cercoids, including fixed plate 6, sets transparent fixed cylinder 5 in fixed plate 6, the both ends open of fixed cylinder 5, Gu
Scale mark is set along its length in safety barrel 5, and the end side of fixed cylinder 5 sets fixing axle 3, is respectively articulated with fixing axle 3
One end of first cutting knife 1 of arc and one end of the second cutting knife 4 of arc, 4 setting up and down and arc of the first cutting knife 1 and the second cutting knife
Shape opening is relative, and the other end difference mounting knob of the first cutting knife 1 or the second cutting knife 4, the first cutting knife 1 or the second cutting knife 4 are with consolidating
One end end face of safety barrel 5 touches.The arc opening of first cutting knife 1 and the second cutting knife 4 is relative to form otch 2.This structure can be
During experiment, white mouse is pressed in fixed plate 6 or desktop, rat-tail is entered into fixed cylinder 5 through otch 2, passes through the quarter in fixed cylinder 5
Scale designation reads the rat-tail length needed for experiment, and then control handle closes the first cutting knife 1 and the second cutting knife 4, so as to by mouse
Tail is sheared according to the length needed for experiment, avoids impacting experimental result, in experimentation, white mouse is in quiet shape
It state, can ensure that stable experiment is carried out, while docking length can also precisely be sheared according to experiment demand, be avoided to experimental result
Impact.
13, two mouse pawl fixing devices 11 of bandage and rat-tail fixing device are set respectively in described fixed plate 6.Bandage 13
For existing elastic bands.Mouse pawl fixing device 11 is the existing structure that buckle, clip etc. can fix white mouse rear solid end.This knot
Half body before white mouse can be fixed in fixed plate 6 by structure by bandage 13, and two mouse pawl fixing devices 11 are by after two of white mouse
Pawl is fixed in fixed plate 6, and rat-tail can be fixed in fixed plate 6 by rat-tail fixing device, avoids white mouse when shearing rat-tail
Struggle causes to influence shearing result.
Two first chutes 8 parallel with fixed cylinder 5 and vertical with fixed cylinder 5 are opened up in described fixed plate 6 respectively
Second chute 7, the first sliding block 10 of interior cooperation installation of the first chute 8, the both ends of bandage 13 are fixed on two the first sliding blocks 10, and second
Coordinate two the second sliding blocks 9 of installation in chute 7, two mouse pawl fixing devices 11 respectively on two the second sliding blocks 9, fix by rat-tail
Device is located between mouse pawl fixing device 11 and fixed cylinder 5.This structure can enable bandage 13 be moved along white mouse length direction
It is dynamic, it will be fixed at the forelimb of different size of white mouse in fixed plate 6, white mouse inconvenience is had an effect, avoid white mouse from struggling, in order to
Preferably fixed white mouse.Mouse pawl fixing device 11 can move along white mouse width, in order to according to different size of white mouse,
Its position is reconciled to fix white mouse rear solid end.
Described rat-tail fixing device can have various structures, preferably there is two installing plates 14 and two extension springs 15, and two
Individual installing plate 14 is separately mounted to the both sides of fixed plate 6, and two extension springs 15 are separately mounted on corresponding installing plate 14, two extension springs
First connecting rope 16 and the second connecting rope 17 are set respectively on 15, and the first connecting rope 16 and the second connecting rope 17 pass through adapter sleeve 18
Connecting, clip 35 is equipped with one end end of the first connecting rope 16, adapter sleeve 18 opens up the first groove 36 along its length,
First groove 36 is engaged with the width of the first connecting rope 16, opens up the second groove 37, the and of fixing groove 38 on adapter sleeve 18 respectively
Holding tank 41, the first groove 36 are communicated with the second groove 37, and the second groove 37 is engaged with the width of clip 35, the second groove 37
Communicated with fixing groove 38, fixing groove 38 is communicated with holding tank 41, and fan-shaped limiting plate 39 is set in fixing groove 38, limiting plate 39
Inner side cambered surface is engaged with the outer surface of clip 35, and stopper slot 40, stopper slot 40 and clip are opened up in the inner side cambered surface of limiting plate 39
35 connection end matching ends, gear ring is set in the outside cambered surface of limiting plate 39, first gear 42, electricity are set in holding tank 41
Dynamic shift fork 47 and fixed plate 48, gear ring are engaged with first gear 42 all the time, and first gear 42 is arranged on first gear axle 46, Gu
Set key on fixed board 48, first gear axle 46 can be allocated to by electric shifting fork 47 to be coordinated with key, is set on electric shifting fork 47 long-range
Module, the interior chute 45 for setting at least two fix bars 44, arc being opened up on limiting plate 39 of fixing groove 38, fix bar 44 is positioned at cunning
In groove 45, limiting plate 39 can be rotated in the fixing groove 38 by chute 45 along fix bar 44, one end of the second connecting rope 17 with
Adapter sleeve 18 connects.This structure can pull down two connecting ropes in the presence of extension spring 15, make connecting rope close to fixation
Plate 6, so as to which the rat-tail in fixed plate 6 be fixed.When first connecting rope 16 and the second connecting rope 17 connect, close up clip 35, make
Clip 35 is fixed on the end of the first connecting rope 16, and the connecting rope 16 of clip 35 and first is pushed into the second groove 37 and first respectively
Groove 36, after clip 35 enters the second groove 37, its connection end end covers into the stopper slot 40 on limiting plate 39, rotation connection
18 or first connecting rope 16, limiting plate 39 is turned to opposite side, so as to drive first gear 42 to rotate, after the completion of rotation, lead to
Control electric shifting fork 47 is crossed, it is allocated to first gear axle 46 and coordinates with key, so that first gear axle 46 can not be transported circumferentially
It is dynamic, limiting plate 39 can not be rotated back to original position, because the first connecting rope 16 can only move along the first groove 36, and clip 35 by
Blocked in the stopper slot 40 that its connection end end is limited on plate 39, cause it can not be moved along the second groove 37, so that even
Female connector 18 fixes the first connecting rope 16 and clip 35.During disengaging, control electric shifting fork 47, make its by first gear axle 46 dial from
Key in fixed plate 48, then by being rotatablely connected the connecting rope 16 of set 18 or first, make the homing of limiting plate 39, then first is connected
Splicing 16 and the backtracking of clip 35 are disconnected set 18.This connected mode is connected and disconnected from conveniently, due to not having during connection
Exposed switch and protrusion, will not be touched by mistake by white mouse struggle touching or staff causes the first connecting rope 16 and the second connection
It is mutually disengaged between rope 17.Rat-tail fixing device can also be the existing structure that clip, buckle etc. can fix rat-tail.
Connecting hole 29 and link slot 30 are opened up in described adapter sleeve 18, connecting hole 29 and link slot 30 communicate, link slot
Second gear axle 32 is set in 30, and second gear axle 32 is linked with first gear axle 46 by transmission device, second gear axle 32
Upper setting second gear 31, the first rack 33 and the second rack 34, the lower end of the first rack 33 are engaged in the both sides of second gear 31 respectively
Several first clamp bars 50 are connected by the first cross bar, the upper end of the second rack 34 connects several second clamp bars 51 by the second cross bar,
Several first clamp bars 50 and several second clamp bars 51 are respectively positioned in connecting hole 29, and the other end of the first connecting rope 16 is positioned at several the
Between one clamp bar 50 and several second clamp bars 51.This structure can be such that adapter sleeve 18 and the end of the second connecting rope 17 mutually interconnects
Connect, before connection, one end of the second connecting rope 17 is put between several first clamp bars 50 and several second clamp bars 51, treats the first company
After one end of splicing 16 is connected with adapter sleeve 18, first gear axle 46 can produce rotation, and second gear axle 32 passes through first gear
Axle 46 drives rotation, several first clamp bars 50 and several second clamp bars 51 is moved towards and one end of the second connecting rope 17 is pressed from both sides
Firmly, after clamping the second connecting rope 17, first gear axle 46 is allocated to by the electric shifting fork 47 in adapter sleeve 18 to be coordinated with key, so that
First gear axle 46 can not circumferential movement, i.e. second gear axle 32 can not rotate, so as to complete the fixation to the second connecting rope 17.
The configuration achieves the first connecting rope 16 and the linkage locking of the second connecting rope 17 that adapter sleeve is pointed to its both ends, one end is avoided
Disengage, be easy to store and connect.Transmission device is that existing gear drive, Worm Wheel System, belt transmission etc. are a variety of existing
Structure.
Torsion spring 52 is set on described second gear axle 32.This structure can store power, solution in locking by torsion spring 52
During lock, torsion spring 52 reverses second gear axle 32, so that connecting rope disengages automatically with adapter sleeve.
Described several first clamp bars 50 and several second clamp bars 51 are interlaced.This structure can make several first folders
The fixation of second connecting rope 17 is avoided the second connecting rope 17 from being disconnected set 18 by bar 50 and several second clamp bars 51.
Specific embodiment of the present utility model is described above in association with accompanying drawing, but these explanations can not be understood to
The scope of the utility model is limited, the technology contents of the not detailed description of the utility model are known technology.
Claims (7)
1. white mouse cuts cercoids, it is characterised in that：Including fixed plate（6）, fixed plate（6）It is upper that transparent fixed cylinder is set（5）, it is fixed
Cylinder（5）Both ends open, fixed cylinder（5）Scale mark, fixed cylinder are inside set along its length（5）End side set fixing axle
（3）, fixing axle（3）On be respectively articulated with the first cutting knife of arc（1）One end and arc the second cutting knife（4）One end, first
Cutting knife（1）With the second cutting knife（4）Setting up and down and arc opening is relative, the first cutting knife（1）Or second cutting knife（4）The other end point
Other mounting knob, the first cutting knife（1）Or second cutting knife（4）With fixed cylinder（5）One end end face touches.
2. white mouse as claimed in claim 1 cuts cercoids, it is characterised in that：Described fixed plate（6）It is upper that bandage is set respectively
（13）, two mouse pawl fixing devices（11）With rat-tail fixing device.
3. white mouse as claimed in claim 2 cuts cercoids, it is characterised in that：Described fixed plate（6）It is upper open up respectively two with
Fixed cylinder（5）The first parallel chute（8）With with fixed cylinder（5）The second vertical chute（7）, the first chute（8）It is interior to coordinate peace
Fill the first sliding block（10）, bandage（13）Both ends are fixed on two the first sliding blocks（10）On, the second chute（7）It is interior to coordinate installation two
Second sliding block（9）, two mouse pawl fixing devices（11）Respectively in two the second sliding blocks（9）On, rat-tail fixing device is located at mouse pawl
Fixing device（11）With fixed cylinder（5）Between.
4. white mouse as claimed in claim 2 or claim 3 cuts cercoids, it is characterised in that：Described rat-tail fixing device has two installations
Plate（14）With two extension springs（15）, two installing plates（14）It is separately mounted to fixed plate（6）Both sides, two extension springs（15）Pacify respectively
Mounted in corresponding installing plate（14）On, two extension springs（15）It is upper that first connecting rope is set respectively（16）With the second connecting rope（17）,
First connecting rope（16）With the second connecting rope（17）Pass through adapter sleeve（18）Connection, the first connecting rope（16）One end end on match somebody with somebody
Close and clip is set（35）, adapter sleeve（18）The first groove is opened up along its length（36）, the first groove（36）With the first connecting rope
（16）Width be engaged, adapter sleeve（18）It is upper to open up the second groove respectively（37）, fixing groove（38）And holding tank（41）, first
Groove（36）With the second groove（37）Communicate, the second groove（37）With clip（35）Width be engaged, the second groove（37）With
Fixing groove（38）Communicate, fixing groove（38）With holding tank（41）Communicate, fixing groove（38）It is interior that fan-shaped limiting plate is set（39）, limit
Position plate（39）Inner side cambered surface and clip（35）Outer surface is engaged, limiting plate（39）Inner side cambered surface on open up stopper slot
（40）, stopper slot（40）With clip（35）Connection end matching ends, limiting plate（39）Outside cambered surface on gear ring is set, hold
Receive groove（41）Interior setting first gear（42）, electric shifting fork（47）And fixed plate（48）, gear ring all the time with first gear（42）Nibble
Close, first gear（42）Installed in first gear axle（46）On, fixed plate（48）Upper set key, electric shifting fork（47）Can be by
One gear shaft（46）It is allocated to and coordinates with key, electric shifting fork（47）Upper setting far module, fixing groove（38）It is interior to set at least two
Fix bar（44）, limiting plate（39）On open up the chute of arc（45）, fix bar（44）Positioned at chute（45）It is interior, limiting plate（39）
Chute can be passed through（45）Along fix bar（44）In fixing groove（38）Interior rotation, the second connecting rope（17）One end and adapter sleeve
（18）Connection.
5. white mouse according to claim 4 cuts cercoids, it is characterised in that：Described adapter sleeve（18）Inside open up connecting hole
（29）And link slot（30）, connecting hole（29）And link slot（30）Communicate, link slot（30）Interior setting second gear axle（32）, the
Two gear shafts（32）With first gear axle（46）Linked by transmission device, second gear axle（32）Upper setting second gear
（31）, second gear（31）The first rack is engaged respectively in both sides（33）With the second rack（34）, the first rack（33）Lower end passes through
First cross bar connects several first clamp bars（50）, the second rack（34）Upper end connects several second clamp bars by the second cross bar
（51）, several first clamp bars（50）With several second clamp bars（51）It is respectively positioned on connecting hole（29）It is interior, the second connecting rope（17）One
End is located at several first clamp bars（50）With several second clamp bars（51）Between.
6. white mouse according to claim 5 cuts cercoids, it is characterised in that：Described second gear axle（32）Upper setting torsion spring
（52）.
7. white mouse according to claim 5 cuts cercoids, it is characterised in that：Described several first clamp bars（50）With several
Two clamp bars（51）It is interlaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721452410.5U CN206880756U (en) | 2017-11-03 | 2017-11-03 | White mouse cuts cercoids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721452410.5U CN206880756U (en) | 2017-11-03 | 2017-11-03 | White mouse cuts cercoids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206880756U true CN206880756U (en) | 2018-01-16 |
Family
ID=61297513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721452410.5U Expired - Fee Related CN206880756U (en) | 2017-11-03 | 2017-11-03 | White mouse cuts cercoids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206880756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273262A (en) * | 2020-09-27 | 2021-01-29 | 中南大学湘雅医院 | Laboratory mouse ear tag, cut tail system |
| CN112616684A (en) * | 2020-12-17 | 2021-04-09 | 赵亚华 | Livestock breeding equipment and method thereof |
| CN115363811A (en) * | 2022-09-28 | 2022-11-22 | 北京昭衍新药研究中心股份有限公司 | Rat tail breaking device |
-
2017
- 2017-11-03 CN CN201721452410.5U patent/CN206880756U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273262A (en) * | 2020-09-27 | 2021-01-29 | 中南大学湘雅医院 | Laboratory mouse ear tag, cut tail system |
| CN112616684A (en) * | 2020-12-17 | 2021-04-09 | 赵亚华 | Livestock breeding equipment and method thereof |
| CN112616684B (en) * | 2020-12-17 | 2022-05-27 | 赵亚华 | Livestock breeding equipment and method thereof |
| CN115363811A (en) * | 2022-09-28 | 2022-11-22 | 北京昭衍新药研究中心股份有限公司 | Rat tail breaking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181008 Address after: 832003 North four road, Shihezi, the Xinjiang Uygur Autonomous Region 221 Patentee after: Shihezi University Address before: 250022 No. 366, No. six road, Huaiyin District, Ji'nan, Shandong Patentee before: Hao Ying |
|
| 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: 20180116 Termination date: 20181103 |