CN109792968A - Increase the Constant temperature regulating device for being used to cultivate dace of dissolved oxygen in water based on temperature - Google Patents
Increase the Constant temperature regulating device for being used to cultivate dace of dissolved oxygen in water based on temperature Download PDFInfo
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- CN109792968A CN109792968A CN201910204547.6A CN201910204547A CN109792968A CN 109792968 A CN109792968 A CN 109792968A CN 201910204547 A CN201910204547 A CN 201910204547A CN 109792968 A CN109792968 A CN 109792968A
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- constant temperature
- temperature regulator
- dissolved oxygen
- dace
- air bag
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Abstract
The invention discloses the Constant temperature regulating devices for being used to cultivate dace for increasing dissolved oxygen in water based on temperature, its structure includes radiator-grid, constant temperature regulator, support base, regulating valve, freeze connector, heat connector, oxygen-increasing device, radiator-grid trailing flank fits with left side immediately ahead of constant temperature regulator, support base sets there are two and is installed on constant temperature regulator bottom, regulating valve is fixedly installed in constant temperature regulator right side lower end, refrigeration connector insertion is installed on constant temperature regulator right side lower end, heating connector is fixedly installed in constant temperature regulator right side, generate the utility model has the advantages that in structure be equipped with buffer gear, under the action of shape memory alloy plate, prevent air bag impaired by impact force, it is further provided with thrust mechanism, under the action of air bag and shrinking hood, make it that medicine be pushed to discharge outward with gas, make its medicine can Quan Fang Position discharges, and dissolves with water and generate dissolved oxygen, and it is low to prevent dissolved oxygen in water, causes dace exchange difficult, it is difficult to the problem of feeding.
Description
Technical field
The present invention relates to aquaculture fields, more particularly to based on temperature increase dissolved oxygen in water for cultivating dace
Constant temperature regulating device.
Background technique
There is aquatic products certain nutritive value widely to be cultivated, aquaculture so the market demand is larger
Type is more, wherein dace nutritive value with higher, and yield is big, becomes best-selling goods in the market, Gu by carrying out on a large scale
Cultivation.
Because the water temperature of dace suitable growth is at 15-30 degrees Celsius, the water temperature of breeding at 24-30 degrees Celsius, Gu in cultivation
It needs to use Constant temperature regulating device and thermostatic control is carried out to it, be maintained at water temperature in suitable degree C value.
But during using Constant temperature regulating device, when water temperature is lower to be heated to its water source, keep its oxygen difficult
To be dissolved in the water, and the humus in water is deposited in by heat loss dissolved oxygen, cause dissolved oxygen in water lower, oxygen-increasing device in water
Supply falls short of demand, causes dace exchange difficult, it is difficult to feed, influence to grow.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide be used to support based on temperature increase dissolved oxygen in water
The Constant temperature regulating device of dace is grown, to solve the problems, such as.
To achieve the goals above, the present invention is to realize by the following technical solutions: being increased based on temperature molten in water
Oxygen amount for cultivating the Constant temperature regulating device of dace, structure include radiator-grid, constant temperature regulator, support base, regulating valve,
Freeze connector, heating connector, oxygen-increasing device, it is characterised in that:
Immediately ahead of the radiator-grid trailing flank and constant temperature regulator left side fit and clearance fit there are space, the branch
Support pedestal sets there are two and is installed on constant temperature regulator bottom arranged on left and right sides and mutually welds therewith, and the regulating valve is fixedly mounted
In constant temperature regulator right side lower end and it is located at immediately ahead of refrigeration connector, the refrigeration connector insertion is installed on thermostatic control
Device right side lower end is simultaneously parallel with heating connector, and the heating connector is fixedly installed in constant temperature regulator right side five and divides
Two at, oxygen-increasing device insertion is installed at constant temperature regulator right side 1/5th.
Further, the oxygen-increasing device by shape memory alloy plate, buffer gear, stressed plate, air bag, thrust mechanism,
Doser goes out coyote hole, air blowing chamber, outlet, booster composition, and the shape memory alloy plate is located at stressed plate left side side and opposes
And it is parallel, the buffer gear sets there are two and is installed on the upper and lower right end in stressed plate right side, and the air bag is fixedly mounted
In buffer gear right side side and right side is affixed merging with thrust mechanism left side and is connected, the thrust mechanism right side with go out
Coyote hole left side is nested and is connected, and the doser insertion is installed on drug ceiling portion middle-end, and the coyote hole out is nested in
Air blowing outdoor face and clearance fit, the air blowing chamber right side is affixed to merge and be integrated with outlet left side, described
Booster is fixedly installed in air blowing chamber.
Further, the buffer gear is made of outline border, push rod, contractile ring, collection air bag, extrusion ring, and the push rod is set
There are four and uniformly with contractile ring outer ring surrounding and end fits with outline border outer surface surrounding, the contractile ring is installed for welding
On the inside of outline border and it is located at same axial direction, the collection air bag, which is located at contractile ring outer ring and is attached thereto, leads to and is located at same axial direction,
The extrusion ring is fixedly installed on the inside of outline border and is located at collection air bag outer ring and is located at same axial direction.
Further, the thrust mechanism by piston, piston rod, rocking bar, connecting tube, shrinking hood, pleated tube, cylinder,
Delivery pipe composition, the piston is installed on the left of cylinder interior and inner wall fits therewith, and the piston rod front end and piston are left
Side is affixed merging and is integrated, and the rocking bar sets there are two and is installed on shrinking hood outer ring arranged on left and right sides and activity
Connection, the connecting tube be located at rocking bar left end underface and it is opposed with shrinking hood, the shrinking hood outer ring is equipped with fold
It manages and is attached thereto logical, the pleated tube is installed on the outside of rocking bar and is located at cylinder inside, and there are two simultaneously for the cylinder installation
Set on the upper and lower two sides of shrinking hood, delivery pipe front end cylinder end on is connected, and the connecting tube front end is under
Square cylinder end is connected.
Further, the outlet is made of gas outlet, medicine outlet, and the gas outlet insertion is installed on the inside of medicine outlet simultaneously
Right side inside fits therewith and clearance fit, the medicine outlet left side are connected with coyote hole right side out on right side.
Further, chlorine dioxide is equipped in the drug room, chlorine dioxide and water dissolve, and can produce dissolved oxygen.
Further, fold line being equipped in the extrusion ring can inwardly be shunk after being squeezed.
Beneficial effect
Compared with prior art, the present invention is based on the thermostatic control dresses for cultivating dace that temperature increases dissolved oxygen in water
It sets, has the advantages that
The present invention launches chlorine dioxide into drug room by being equipped with oxygen-increasing device, by doser, carries out in device
During heated at constant temperature, internal heater makes its shape memory alloy plate after heated, can deform rapidly, then pass through stress
Plate squeezes buffer gear, and extrusion ring, by resistance on the right side of extrusion ring, makes its extrusion ring edge during by external force
Internal fold lines progress inwardly shunk, and collection air bag is squeezed, the contractile ring connection therewith of collection air bag makes to shrink
Circumferential outer expansion, and push rod is driven to push out, squeezes air bag, when air bag is by exogenic processes, makes in shrinking hood
Collection has gas, and pleated tube is unfolded outward along fold line, and rocking bar is driven to be swung upwards, downwards respectively, pushes and lives
Stopper rod is matched with piston, is squeezed the gas in cylinder, and the gas in cylinder is made to pass through connecting tube and delivery pipe respectively
Discharge outward, and the indoor medicine of drug is discharged to medicine outlet, and booster indoor gas of blowing to it be pressurized and outside
Gas outlet is exhausted, and the medicine of medicine outlet outwardly against discharge, then medicine and water dissolve, and makes to generate dissolved oxygen in water, in air bag
Under the action of, move back and forth thrust mechanism, and discharge medicine back and forth.
Generate the utility model has the advantages that in structure be equipped with buffer gear make its buffering under the action of shape memory alloy plate
Mechanism prevents air bag impaired by impact force, thrust mechanism is further provided with, in the effect of air bag and shrinking hood to its air sac pressing
Under, make it that medicine be pushed to discharge outward with gas, discharge its medicine can comprehensive, and dissolved with water and generate dissolved oxygen, prevents out
Existing dissolved oxygen in water is low, causes dace exchange difficult, it is difficult to the problem of feeding.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing in describing below to embodiment is made in detail
It carefully introduces, allows other features, purposes and advantages of the invention will become more apparent with this:
Fig. 1 is that the structure for the Constant temperature regulating device for cultivating dace for increasing dissolved oxygen in water the present invention is based on temperature is shown
It is intended to.
Fig. 2 is oxygen-increasing device top view cross section structural schematic diagram of the present invention.
Fig. 3 is buffer gear section detailed construction schematic diagram of the present invention.
Fig. 4 is thrust mechanism top view cross section structural schematic diagram of the present invention.
Fig. 5 is outlet sections detailed construction schematic diagram of the present invention.
In figure: radiator-grid 1, support base 3, regulating valve 4, refrigeration connector 5, heating connector 6, increases constant temperature regulator 2
Oxygen device 7, shape memory alloy plate 701, buffer gear 702, stressed plate 703, air bag 704, thrust mechanism 705, doser
706, go out coyote hole 707, air blowing chamber 708, outlet 709, booster 710, outline border 702a, push rod 702b, contractile ring 702c, collection air bag
702d, extrusion ring 702e, piston 7051, piston rod 7052, rocking bar 7053, connecting tube 7054, shrinking hood 7055, pleated tube
7056, cylinder 7057, delivery pipe 7058, gas outlet 709a, medicine outlet 709b.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, technical solution in the embodiment of the present invention is further clear,
Completely illustrate.
Fig. 1-Fig. 5 is please referred to, the present invention provides the constant temperature tune for being used to cultivate dace for increasing dissolved oxygen in water based on temperature
Regulating device: its structure includes radiator-grid 1, constant temperature regulator 2, support base 3, regulating valve 4, refrigeration connector 5, heating connector
6, oxygen-increasing device 7, it is characterised in that:
1 trailing flank of radiator-grid and the front of constant temperature regulator 2 left side fit and clearance fit there are spaces, it is described
Support base 3 sets there are two and is installed on 2 bottom arranged on left and right sides of constant temperature regulator and mutually welds therewith, and the regulating valve 4 is fixed
It is installed on 2 right side lower end of constant temperature regulator and is located at 5 front of refrigeration connector, the insertion of refrigeration connector 5 is installed on
2 right side lower end of constant temperature regulator is simultaneously parallel with heating connector 6, and the heating connector 6 is fixedly installed in thermostatic control
At 2 right side 2/5ths of device, the insertion of oxygen-increasing device 7 is installed at 2 right side 1/5th of constant temperature regulator.
It is preferred that the oxygen-increasing device 7 by shape memory alloy plate 701, buffer gear 702, stressed plate 703,
Air bag 704, doser 706, goes out coyote hole 707, air blowing chamber 708, outlet 709, the composition of booster 710 at thrust mechanism 705, described
Shape memory alloy plate 701 is located at 703 left side side of stressed plate and opposes and parallel, and the buffer gear 702 is set there are two simultaneously
It is installed on the upper and lower right end in 703 right side of stressed plate, the air bag 704 is fixedly installed in 702 right side side of buffer gear and right side
Face is affixed merging with 705 left side of thrust mechanism and is connected, 705 right side of thrust mechanism and 707 left side phase of coyote hole out
Nested and be connected, the insertion of doser 706 is installed on out 707 top middle-end of coyote hole, it is described go out coyote hole 707 be nested in air blowing
708 outer surface of room and clearance fit, 708 right side of air blowing chamber are affixed to merge and be integrated with 709 left sides of outlet,
The booster 710 is fixedly installed in air blowing chamber, and heater of the shape memory alloy plate 701 therewith in device fits,
After heated, it can deform rapidly, then buffer gear 702 is squeezed, make 704 stress of air bag, the buffer gear 702 is right
Its power squeezed is buffered, and prevents air bag 704 impaired by impact during stress, is equipped in the coyote hole 707 out
Doser 706, during coyote hole 707 out carries out drug by outlet 709, the booster 710 is in its air blowing chamber 708
Gas is pressurized, and is then discharged from outlet 709, and the chlorine dioxide gone out in coyote hole 707 to it is discharged outward, guarantees dioxy
Change the discharge that chlorine can be comprehensive, and increase the time for being dissolved in water, it is made to be dissolved in the dissolved oxygen in water increase water.
It is preferred that the buffer gear 702 is by outline border 702a, push rod 702b, contractile ring 702c, collection air bag
702d, extrusion ring 702e composition, the push rod 702b set there are four and uniformly weld and contractile ring 702c outer ring surrounding and end
End fits with the outer surface outline border 702a surrounding, and the contractile ring 702c is installed on the inside of outline border 702a and is located at same axial direction,
The collection air bag 702d is located at the outer ring contractile ring 702c and is attached thereto logical and is located at same axial direction, and the extrusion ring 702e is fixed
It is installed on the inside of outline border 702a and is located at the collection outer ring air bag 702d and be located at same axial direction, the extrusion ring 702e is by external force
During, by resistance on the right side of extrusion ring 702e, receive its extrusion ring 702e inwardly along the progress of internal fold lines
Contracting, and collection air bag 702d is squeezed, contractile ring 702c is connected to collection air bag 702d therewith, and contractile ring 702c is unfolded outward,
And push rod 702b is driven to push out, air bag 704 is squeezed.
It is preferred that the thrust mechanism 705 is by piston 7051, piston rod 7052, rocking bar 7053, connecting tube
7054, shrinking hood 7055, pleated tube 7056, cylinder 7057, delivery pipe 7058 form, and the piston 7051 is installed on cylinder 7057
Inside left and inner wall fits therewith, 7052 front end of piston rod and 7051 left side of piston are affixed merging into a single whole and tie
Structure, the rocking bar 7053 set there are two and are installed on 7055 outer ring arranged on left and right sides of shrinking hood and flexible connection, the connecting tube
7054 is immediately below 7053 left end of rocking bar and opposed with shrinking hood 7055, and 7055 outer ring of shrinking hood is equipped with fold
Pipe 7056 and it is attached thereto logical, the pleated tube 7056 is installed on the outside of rocking bar 7053 and is located at 7057 inside of cylinder, described
There are two the installations of cylinder 7057 and is set to the upper and lower two sides of shrinking hood 7055,7058 front end of delivery pipe cylinder on
7057 ends are connected, and 7054 front end of connecting tube is connected lower section cylinder 7057 end therewith, the shrinking hood 7055 with
Air bag 704 is connected, and when air bag 704 is by exogenic processes, making collection in shrinking hood 7055 have gas, and makes 7056 edge of pleated tube
Fold line be unfolded outward, drive rocking bar 7053 upwards, downwards swung, to push piston rod 7052 and piston 7051 respectively
It matches, the gas in cylinder 7057 is squeezed, discharge the gas in cylinder 7057 outward.
It is preferred that the outlet 709 is made of gas outlet 709a, medicine outlet 709b, the gas outlet 709a is embedding
Enter to be installed on the inside of medicine outlet 709b and right side inside fit and clearance fit therewith on right side, on the left of the medicine outlet 709b with
707 right side of coyote hole is connected out, and the gas outlet 709a is located at the rear side side medicine outlet 709b, and in drug, gas can be from rear
Air blowing discharge is carried out to the chlorine dioxide in medicine outlet 709b, makes what medicine can be comprehensive to be discharged into water.
Working principle: chlorine dioxide is launched into coyote hole 707 out by doser 706, carries out heated at constant temperature in device
In the process, internal heater makes its shape memory alloy plate 701 after heated, can deform rapidly, then passes through stressed plate 703
Buffer gear 702 is squeezed, extrusion ring 702e, by resistance on the right side of extrusion ring 702e, makes during by external force
Its extrusion ring 702e is inwardly shunk along the progress of internal fold lines, and is squeezed collection air bag 702d, and air bag is collected
Contractile ring 702c is connected to 702d therewith, contractile ring 702c is unfolded outward, and push rod 702b is driven to push out, to air bag 704
It is squeezed, when air bag 704 is by exogenic processes, making collection in shrinking hood 7055 have gas, and makes pleated tube 7056 along pleat
Wrinkle is unfolded outward, and rocking bar 7053 is driven to be swung upwards, downwards respectively, and piston rod 7052 and piston 7051 is pushed to match
It closes, the gas in cylinder 7057 is squeezed, the gas in cylinder 7057 is made to pass through connecting tube 7054 and delivery pipe respectively
7058 discharges outward, and the medicine in coyote hole 707 out is discharged to medicine outlet 709b, and booster 710 is to the gas in its air blowing chamber 708
Body carries out pressurization and gas outlet 709a is exhausted outward, the medicine of medicine outlet 709b outwardly against discharge, then medicine with it is water-soluble
Solution, makes to generate dissolved oxygen in water, under the action of air bag 704, moves back and forth thrust mechanism 705, and discharge medicine back and forth.
The present invention is combined with each other by above-mentioned component, and the beneficial effect of generation is: buffer gear is equipped in structure
702, under the action of shape memory alloy plate 701, make its buffer gear 702 to its air bag 704 squeeze, prevent air bag 704 by
It is impaired to impact force, it is further provided with thrust mechanism 705, under the action of air bag 704 and shrinking hood 7055, it is made to push medicine and gas
Discharge outward, discharge its medicine can comprehensive, and dissolves with water and generate dissolved oxygen, and it is low to prevent dissolved oxygen in water, cause
Dace exchange is difficult, it is difficult to the problem of feeding.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. based on temperature increase dissolved oxygen in water for cultivating the Constant temperature regulating device of dace, structure include radiator-grid (1),
Constant temperature regulator (2), support base (3), regulating valve (4), refrigeration connector (5), heating connector (6), oxygen-increasing device (7),
It is characterized by:
Radiator-grid (1) trailing flank fits with left side immediately ahead of constant temperature regulator (2), and the support base (3) is equipped with two
A and be installed on constant temperature regulator (2) bottom, the regulating valve (4) is fixedly installed in constant temperature regulator (2) right side lower end, institute
It states refrigeration connector (5) insertion and is installed on constant temperature regulator (2) right side lower end, the heating connector (6) is fixedly installed in
Constant temperature regulator (2) right side, oxygen-increasing device (7) insertion are installed on constant temperature regulator (2) right side.
2. the Constant temperature regulating device according to claim 1 that be used to cultivate dace for increasing dissolved oxygen in water based on temperature,
It is characterized by: the oxygen-increasing device (7) is by shape memory alloy plate (701), buffer gear (702), stressed plate (703), gas
Capsule (704), doser (706), goes out coyote hole (707), air blowing chamber (708), outlet (709), booster at thrust mechanism (705)
(710) it forms, the shape memory alloy plate (701) is located at stressed plate (703) left side side, and the buffer gear (702) is equipped with
Two and it is installed on stressed plate (703) right side, the air bag (704) is fixedly installed in buffer gear (702) right side side, described
Thrust mechanism (705) right side is nested with coyote hole out (707) left side, and doser (706) insertion is installed on out coyote hole
(707) top middle-end, it is described go out coyote hole (707) be nested in air blowing chamber (708) outer surface, air blowing chamber (708) right side with
Outlet (709) left side fits, and the booster (710) is fixedly installed in air blowing chamber (708) left side.
3. the Constant temperature regulating device according to claim 2 that be used to cultivate dace for increasing dissolved oxygen in water based on temperature,
It is characterized by: the buffer gear (702) is by outline border (702a), push rod (702b), contractile ring (702c), collection air bag
(702d), extrusion ring (702e) composition, the push rod (702b) set there are four and uniformly weld and the outer ring contractile ring (702c)
Surrounding, the contractile ring (702c) are installed on the inside of outline border (702a), and the collection air bag (702d) is located at contractile ring (702c) outside
Circle, the extrusion ring (702e) are fixedly installed on the inside of outline border (702a).
4. the Constant temperature regulating device according to claim 2 that be used to cultivate dace for increasing dissolved oxygen in water based on temperature,
It is characterized by: the thrust mechanism (705) is by piston (7051), piston rod (7052), rocking bar (7053), connecting tube
(7054), shrinking hood (7055), pleated tube (7056), cylinder (7057), delivery pipe (7058) composition, piston (7051) peace
Loaded on cylinder (7057) inside left, piston rod (7052) front end fits with piston (7051) left side, described to wave
Bar (7053) sets there are two and is installed on shrinking hood (7055) outer ring side, and the connecting tube (7054) is located at rocking bar (7053) left side
Rectify lower section, shrinking hood (7055) outer ring is equipped with pleated tube (7056), and the pleated tube (7056) is installed on rocking bar
(7053) outside, there are two cylinder (7057) installations and is set to shrinking hood (7055) upper and lower two sides, the delivery pipe
(7058) front end cylinder (7057) end on is connected, connecting tube (7054) front end therewith lower section cylinder (7057)
End is connected.
5. the Constant temperature regulating device according to claim 2 that be used to cultivate dace for increasing dissolved oxygen in water based on temperature,
It is characterized by: the outlet (709) is made of gas outlet (709a), medicine outlet (709b), gas outlet (709a) insertion
It is installed on the inside of medicine outlet (709b), is connected on the left of the medicine outlet (709b) with coyote hole out (707) right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204547.6A CN109792968B (en) | 2019-03-18 | 2019-03-18 | Constant temperature regulating device for culturing dace based on temperature increase and dissolved oxygen amount in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204547.6A CN109792968B (en) | 2019-03-18 | 2019-03-18 | Constant temperature regulating device for culturing dace based on temperature increase and dissolved oxygen amount in water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109792968A true CN109792968A (en) | 2019-05-24 |
| CN109792968B CN109792968B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910204547.6A Active CN109792968B (en) | 2019-03-18 | 2019-03-18 | Constant temperature regulating device for culturing dace based on temperature increase and dissolved oxygen amount in water |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204426359U (en) * | 2014-12-16 | 2015-07-01 | 王玺 | Can the fish constant temperature cultivator of oxygenation |
| CN108174804A (en) * | 2016-12-02 | 2018-06-19 | 江西蓝筹农业发展有限公司 | A kind of novel aquaculture method |
| CN108477059A (en) * | 2018-04-26 | 2018-09-04 | 沈巧凤 | A kind of aquaculture Constant temperature regulating device |
-
2019
- 2019-03-18 CN CN201910204547.6A patent/CN109792968B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204426359U (en) * | 2014-12-16 | 2015-07-01 | 王玺 | Can the fish constant temperature cultivator of oxygenation |
| CN108174804A (en) * | 2016-12-02 | 2018-06-19 | 江西蓝筹农业发展有限公司 | A kind of novel aquaculture method |
| CN108477059A (en) * | 2018-04-26 | 2018-09-04 | 沈巧凤 | A kind of aquaculture Constant temperature regulating device |
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| CN109792968B (en) | 2021-09-10 |
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Effective date of registration: 20210824 Address after: 528000 Room 403, 4th floor, Xiadong credit cooperative side office building, Xiadong Industrial Zone, Guicheng Street, Nanhai District, Foshan City, Guangdong Province (residence declaration) Applicant after: Foshan City Jia Wei agricultural science and technology partnership (L.P.) Address before: 55004 Guizhou University of Finance and Economics (Luchongguan campus), 276 Luchongguan Road, Yunyan District, Guiyang City, Guizhou Province Applicant before: Chen Jiahuan |
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