CN208095700U - Steady formula recirculated water hatching culture system in one kind - Google Patents
Steady formula recirculated water hatching culture system in one kind Download PDFInfo
- Publication number
- CN208095700U CN208095700U CN201820126261.1U CN201820126261U CN208095700U CN 208095700 U CN208095700 U CN 208095700U CN 201820126261 U CN201820126261 U CN 201820126261U CN 208095700 U CN208095700 U CN 208095700U
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- China
- Prior art keywords
- water
- pipe
- sedimentation
- hatchery
- constant temperature
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 269
- 230000012447 hatching Effects 0.000 title claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 238000004062 sedimentation Methods 0.000 claims abstract description 32
- 238000005273 aeration Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000008595 infiltration Effects 0.000 claims description 11
- 238000001764 infiltration Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000003319 supportive effect Effects 0.000 claims description 6
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 201000010099 disease Diseases 0.000 abstract description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 7
- 241000876433 Acipenser dabryanus Species 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 3
- 241000252185 Cobitidae Species 0.000 description 3
- 102000002322 Egg Proteins Human genes 0.000 description 3
- 108010000912 Egg Proteins Proteins 0.000 description 3
- 241001502129 Mullus Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000004681 ovum Anatomy 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 230000013020 embryo development Effects 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 244000000013 helminth Species 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000003612 virological effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model discloses formula recirculated water hatching culture systems steady in one kind, including hatchery or culture pond, constant temperature boiler, sedimentation and filtration ditch, catchment aeration tank and Combined water processing component, the hatchery or culture pond water outlet that the hatchery or culture pond top is arranged in are connect by the first water pipe with constant temperature boiler water inlet, constant temperature boiler water outlet is connected to by the second water pipe with sedimentation and filtration ditch water inlet, sedimentation and filtration ditch is set side by side with aeration tank of catchmenting, sedimentation and filtration ditch water outlet is connected to the aeration tank water inlet that catchments, sedimentation and filtration ditch water inlet is higher than sedimentation and filtration ditch water outlet, it catchments and is provided with water circulating pump in aeration tank, water circulating pump is connect by third water pipe with Combined water processing component water inlet, Combined water processing component water outlet is connected to by the 4th water pipe with hatchery or culture pond.Its structure is simple, provides the condition of a high quality stable state for the hatching and culture of fry, avoids it by the influence of water quality, water temperature, water, disease etc..
Description
Technical field
It is cultivated the utility model relates to formula recirculated water hatching steady in technical field of aquaculture equipment more particularly to one kind and is
System.
Background technique
In aquaculture, the hatching of fry etc. and culture period are very important period.The embryonic development of fertilized eggs, pole
Vulnerable to the influence of the various factors such as the physics and chemistry of water body and biology, even very small-scale variation, can all lead to homogenous quantities fish-egg
Hatching rate, abnormal rate, the death rate, prelarva so the quality such as the survival rate of juvenile fish and constitution generation fluctuate widely.Especially
The embryonic development of the demersal eggs such as acipenser dabryanus, mullet, loach, it is all non-to water quality, water temperature, water towing force, dissolved oxygen, the requirement of disease
Chang Gao.The hatching, cultivating condition of general fishing ground or peasant household often lacks constant water quality, water temperature, water towing force, dissolved oxygen and prevents disease
Harmful facility causes the above problem serious；In addition excreta and residue etc. that embryo and each phase individual generate also can contaminant waters
And corresponding establishment, it is necessary to frequently stop production and facility is thoroughly cleaned and sterilized, so that missed portion busy season chance, expends a large amount of
Manpower and material resources reduce yield, reduce quality.To prevent the occurrence of such, existing good system is the sterile of conditions constant
Workshop is bred, but such workshop is not only put into greatly, the construction period is long, and scope of use is limited, and the operating cost after building up is also high.
Utility model content
The utility model is intended to provide in one kind steady formula recirculated water hatching culture system, the very good solution above problem,
Its structure is simple, easy to use, provides the condition of a high quality stable state for the hatching and culture of fry, avoids it by water
The influence of matter, water temperature, water towing force, disease etc., each section can be used in combination, at low cost, set without fixations such as construction workshop, workshops
It applies.
The technical solution of the utility model is steady formula recirculated water hatching culture system in one kind, including hatchery or culture
Pond, constant temperature boiler, sedimentation and filtration ditch, catchment aeration tank and Combined water processing component, is arranged in the hatchery or culture pond
The hatchery on top or culture pond water outlet are connect by the first water pipe with constant temperature boiler water inlet, the constant temperature boiler water outlet
It is connected to by the second water pipe with sedimentation and filtration ditch water inlet, the sedimentation and filtration ditch is set side by side with aeration tank of catchmenting, described heavy
Shallow lake filtering ponds water outlet is connected to the aeration tank water inlet that catchments, and the sedimentation and filtration ditch water inlet is discharged higher than sedimentation and filtration ditch
Mouthful, water circulating pump is provided in the aeration tank of catchmenting, the water circulating pump passes through third water pipe and Combined water processing component
Water inlet connection, the Combined water processing component water outlet are connected to by the 4th water pipe with hatchery or culture pond, and described the
Four water pipe water outlets are located at hatchery or culture pond lower part, and first water pipe also passes through the 5th water pipe and is connected to the second water pipe,
5th water pipe and constant temperature boiler water inlet are provided with switch valve, and the hatchery or culture pond water outlet are provided with and block fish
Net.
Further, regulating valve is provided on the 4th water pipe, it is ensured that the towing force of water is just right.
Further, the hatchery or culture bottom of pond portion are provided with fry and collect pipe valve, are convenient for innoxious transfer prelarva.
Further, moisturizing pipe valve is additionally provided on first water pipe, it is ensured that timely and appropriate discovery supplements new water.
Further, the Combined water processing component includes a water treatment unit or multiple concatenated water process lists
Member.
Further, the water treatment unit includes shell, the sedimentation leakage set gradually from the bottom up in the shell
Struggle against layer, upper infiltration layer, whole water layer, is equipped with the branch for being used to separate the settlement funnel layer and the upper infiltration layer in the water treatment unit
Grid is supportted, the supportive grid top is equipped with diversion pipe up and down, and the diversion pipe top is higher than the whole water layer, described
It is equipped with water treatment unit water inlet above diversion pipe, hairbrush is equipped in the diversion pipe, is corresponded under hairbrush in the diversion pipe
Portion is equipped with ultraviolet lamp tube, and the diversion pipe top is equipped with upper sewage pipe, and filter material, the end water layer one are equipped in the upper infiltration layer
Side is equipped with water treatment unit water outlet.
Further, settlement funnel layer bottom is equipped with down blow pipe.
Further, the whole water layer is additionally provided with constant temperature stick, and constant temperature stick one end is fixedly connected with the shell.
Further, filter screen is vertically arranged in the middle part of the sedimentation and filtration ditch.
The utility model has the beneficial effects that：
1. the utility model is by hatchery or culture pond, constant temperature boiler, sedimentation and filtration ditch, catchment aeration tank and water process list
Member is formed integrated circulation hatching system, is provided with steady temperature, purifies water, control water and disease by the connection such as water pipe
Harmful effect provides the stable environment of high quality to the hatching and initial-stage culture of fry, be conducive to fry hatching and
Growth, the scale factory incubation and fry for being particularly suitable for the heavy property fish-egg such as acipenser dabryanus, mullet, loach are cultivated；
2. water treatment unit can precipitate and cross impurity, other organisms, miscellaneous tire, miscellaneous ovum and its residuum in drainage, also
Various pathogenic organisms and viral small parasitic worm in water can be killed, water quality has effectively been purified；
3. constant temperature boiler is conducive to the water temperature in holding system, while the 5th water pipe and constant temperature boiler water inlet are provided with
Switch valve can select different water pipes to intake according to the different situations of water temperature, and constant temperature boiler is allowed to participate in or be not involved in confession
Heat；
4. the sedimentation and filtration ditch being set side by side and aeration tank of catchmenting, are aerated, simultaneously after effectively water being allowed to be precipitated
The water circulating pump to catchment in aeration tank provides stable power for the circulation of water in system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model water treatment unit；
Fig. 3 is the concatenated structural schematic diagram of multiple water treatment unit；
In figure：1. hatchery or culture pond, 2. constant temperature boilers, 3. sedimentation and filtration ditches, 4. are catchmented aeration tank, 5. water process lists
Member, 6. first water pipes, 7. second water pipes, 8. water circulating pumps, 9. third water pipes, 10. the 4th water pipes, 11. the 5th water pipes, 12. are opened
Close valve, 13. barrier nets, 14. regulating valves, 15. fries collect pipe valve, 16. moisturizing pipe valves, 51. shells, 52. settlement funnel layers,
Infiltration layer on 53., 54. whole water layers, 55. supportive grids, 56. diversion pipes, 57. hairbrush, 58. ultraviolet lamp tubes, sewage pipe on 59.,
510. down blow pipes, 511. constant temperature sticks.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
As shown in Figure 1, 2, the utility model provides steady formula recirculated water hatching culture system in one kind, including hatchery or
Culture pond 1, constant temperature boiler 2, sedimentation and filtration ditch 3, catchment aeration tank 4 and Combined water processing component, is arranged in the hatchery
1 top of culture pond hatchery or culture pond water outlet connect with constant temperature boiler water inlet by the first water pipe 6, the constant temperature
Boiler water outlet is connected to by the second water pipe 7 with sedimentation and filtration ditch water inlet, the sedimentation and filtration ditch 3 and catchments aeration tank 4 simultaneously
Column setting, the sedimentation and filtration ditch water outlet are connected to the aeration tank water inlet that catchments, and the sedimentation and filtration ditch water inlet is higher than heavy
Shallow lake filtering ponds water outlet, is provided with water circulating pump 8 in the aeration tank 4 of catchmenting, the water circulating pump 8 by third water pipe 9 with
The connection of Combined water processing component water inlet, the Combined water processing component water outlet by the 4th water pipe 10 and hatchery or
Culture pond 1 is connected to, and the 4th water pipe water outlet is located at 1 lower part of hatchery or culture pond, and first water pipe 6 also passes through the 5th
Water pipe 11 is connected to the second water pipe 7, and the 5th water pipe 11 and constant temperature boiler water inlet are provided with switch valve 12, the hatching
Pond or culture pond water outlet are provided with barrier net 13.Combined water processing component includes a water treatment unit 5 or multiple strings
The water treatment unit of connection.When Combined water processing component is a water treatment unit 5, Combined water processing component is at water
Unit 5 is managed, Combined water processing component water inlet, combined type component water outlet are water treatment unit water inlet, water process list
First water outlet；And Combined water processing component be multiple water treatment unit 5 connect when, as shown in figure 3, Combined water processing component
Water inlet, combined type component water outlet are first water treatment unit water inlet, the last one water treatment unit water outlet.Together
When water treatment unit position or multiple positions different in system can also be set, it is flexible and changeable, it is easy to use.
It is provided with regulating valve 14 on 4th water pipe 10, can control into the moisture in hatchery or culture pond 1
Size, while jacking force of the water flow to fish-egg and embryo in responsible regulation hatchery or culture pond 1.The hatchery or culture pond
1 bottom is provided with fry and collects pipe valve 15, convenient for the collection and discharge of light innoxious fry.It is also set on first water pipe 6
It is equipped with moisturizing pipe valve 16, to progress moisturizing in system and appropriate update after the water in system is lost.Catchmenting, aeration tank 4 is interior to be arranged
There is aeration unit, is existing common water treatment facilities.
The water treatment unit 5 includes shell 51, the settlement funnel layer set gradually from the bottom up in the shell 51
52, upper infiltration layer 53, whole water layer 54, interior be equipped with of the water treatment unit 5 are used to separate the settlement funnel layer 52 and the upper infiltration
The supportive grid 55 of layer 53,55 top of supportive grid are equipped with diversion pipe 56 up and down, and 56 top of diversion pipe is high
It is equipped with water treatment unit water inlet above the whole water layer 54, the diversion pipe 56, is equipped with hairbrush 57 in the diversion pipe 56,
The lower part that hairbrush 57 is corresponded in the diversion pipe 56 is equipped with ultraviolet lamp tube 58, and 56 top of diversion pipe is equipped with upper sewage pipe 59,
Filter material is installed, end 54 side of water layer is equipped with water treatment unit water outlet in the upper infiltration layer 53.The settlement funnel layer
52 bottoms are equipped with down blow pipe 510.The end water layer 54 is additionally provided with constant temperature stick 511, described 511 one end of constant temperature stick and the shell
51 are fixedly connected.Filter screen is vertically arranged in the middle part of the sedimentation and filtration ditch 3.
Hatched and cultivated in use, fish-egg is placed into hatchery or culture pond 1, meanwhile, water flow passes sequentially through
1 water outlet of hatchery or culture pond, the first water pipe 6, constant temperature boiler 2, the second water pipe 7, sedimentation and filtration ditch 3, aeration tank 4 of catchmenting,
Water circulating pump 8, third water pipe 9, water treatment unit 5, the 4th water pipe 10 are then return to hatchery or culture pond 1, do not need constant temperature
Boiler 2 heat when, close constant temperature boiler water inlet switch valve 12, open the 5th water pipe 11 on switch valve 12, water flow not from
Pass through in constant temperature boiler 2.The direction of arrow is the direction of water flow in Fig. 1.Flow direction of the water flow in water treatment unit 5 is water
Processing unit water inlet, diversion pipe 56 successively pass through hairbrush 57, ultraviolet lamp tube 58 in diversion pipe 56, leak subsequently into sedimentation
Struggle against layer 52, is ascending into upper infiltration layer 53, is discharged from water treatment unit water outlet.
The utility model is by hatchery or culture pond 1, constant temperature boiler 2, sedimentation and filtration ditch 3, catchment aeration tank 4 and water process
Unit 5 is formed integrated circulation hatching system, is provided with steady temperature, purifies water, control water towing force by the connection such as water pipe
Or the effect of water and disease, the stable environment of high quality is provided to the hatching and initial-stage culture of fry, it can not be by
The influence of weather, temperature etc. is conducive to the hatching and growth of fry, is particularly suitable for the heavy property fish such as acipenser dabryanus, mullet, loach
The hatching and culture of ovum；Water treatment unit 5 can precipitate and cross impurity in drainage, other organisms, miscellaneous tire, miscellaneous ovum and its residual
Body, moreover it is possible to kill various pathogenic organisms and viral small parasitic worm in water, effectively purify water quality, ensure that water energy enough recycles
It uses, has saved water source；Combined water processing component needed for being made up of multiple water treatment unit of connecting, can accurately be handled
Required water quality in place improves quality of water treatment；Constant temperature boiler 2 is conducive to the water temperature in holding system, while 11 He of the 5th water pipe
Constant temperature boiler water inlet is provided with switch valve 12, different water pipes can be selected to intake according to the different situations of water temperature, allows perseverance
Warm boiler 2 participates in or is not involved in heat supply；The sedimentation and filtration ditch 3 being set side by side and aeration tank 4 of catchmenting, effectively allow water to be sunk
It is aerated behind shallow lake, while the water circulating pump 8 in aeration tank of catchmenting provides stable power for the circulation of water in system.This is practical new
Type provides the condition of a high quality stable state for the hatching and culture of fry, avoids it by water quality, water temperature, water towing force or water
Amount, disease etc. are extraneous to be influenced.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model
The change and modification answered all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. steady formula recirculated water hatching culture system in one kind, it is characterised in that：Including hatchery or culture pond, constant temperature boiler, sink
Shallow lake filtering ponds, catchment aeration tank and Combined water processing component, be arranged in the hatchery or culture pond top hatchery or
Culture pond water outlet connect by the first water pipe with constant temperature boiler water inlet, the constant temperature boiler water outlet pass through the second water pipe and
The connection of sedimentation and filtration ditch water inlet, the sedimentation and filtration ditch are set side by side with aeration tank of catchmenting, the sedimentation and filtration ditch water outlet
Aeration tank water inlet is connected to catchmenting, and the sedimentation and filtration ditch water inlet is higher than sedimentation and filtration ditch water outlet, the aeration that catchments
Water circulating pump is provided in pond, the water circulating pump is connect by third water pipe with Combined water processing component water inlet, described
Combined water processing component water outlet is connected to by the 4th water pipe with hatchery or culture pond, and the 4th water pipe water outlet is located at
Hatchery or culture pond lower part, first water pipe also pass through the 5th water pipe and are connected to the second water pipe, the 5th water pipe and perseverance
Warm boiler feed water mouth is provided with switch valve, and the hatchery or culture pond water outlet are provided with barrier net.
2. interior steady formula recirculated water hatching culture system according to claim 1, it is characterised in that：It is set on 4th water pipe
It is equipped with regulating valve.
3. interior steady formula recirculated water hatching culture system according to claim 1, it is characterised in that：The hatchery or culture
Bottom of pond portion is provided with fry and collects pipe valve.
4. interior steady formula recirculated water hatching culture system according to claim 1, it is characterised in that：On first water pipe also
It is provided with moisturizing pipe valve.
5. interior steady formula recirculated water hatching culture system according to claim 1, it is characterised in that：The Combined water processing
Component includes a water treatment unit.
6. interior steady formula recirculated water hatching culture system according to claim 1, it is characterised in that：The Combined water processing
Component includes multiple concatenated water treatment unit.
7. interior steady formula recirculated water hatching culture system according to claim 5 or 6, it is characterised in that：The water process list
Member includes shell, the settlement funnel layer set gradually from the bottom up in the shell, upper infiltration layer, whole water layer, the water process
The supportive grid for being used to separate the settlement funnel layer and the upper infiltration layer is equipped in unit, the supportive grid top is equipped with upper
The diversion pipe of lower perforation, the diversion pipe top are higher than the whole water layer, are equipped with water treatment unit above the diversion pipe and intake
Mouthful, hairbrush is equipped in the diversion pipe, the lower part that hairbrush is corresponded in the diversion pipe is equipped with ultraviolet lamp tube, the diversion pipe top
Equipped with upper sewage pipe, filter material is installed in the upper infiltration layer, the end water layer side is equipped with water treatment unit water outlet.
8. interior steady formula recirculated water hatching culture system according to claim 7, it is characterised in that：Settlement funnel layer bottom
Portion is equipped with down blow pipe.
9. interior steady formula recirculated water hatching culture system according to claim 7, it is characterised in that：The end water layer is additionally provided with
Constant temperature stick, constant temperature stick one end are fixedly connected with the shell.
10. interior steady formula recirculated water hatching culture system according to claim 1, it is characterised in that：The sedimentation and filtration ditch
Middle part is vertically arranged with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126261.1U CN208095700U (en) | 2018-01-25 | 2018-01-25 | Steady formula recirculated water hatching culture system in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126261.1U CN208095700U (en) | 2018-01-25 | 2018-01-25 | Steady formula recirculated water hatching culture system in one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208095700U true CN208095700U (en) | 2018-11-16 |
Family
ID=64129439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820126261.1U Expired - Fee Related CN208095700U (en) | 2018-01-25 | 2018-01-25 | Steady formula recirculated water hatching culture system in one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208095700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109329139A (en) * | 2018-12-12 | 2019-02-15 | 上海海洋大学 | A kind of zebra fish roe hatching device |
| CN114651753A (en) * | 2022-03-25 | 2022-06-24 | 武汉联渔机械设备有限公司 | Aquatic fry production system and aquatic fry production method |
-
2018
- 2018-01-25 CN CN201820126261.1U patent/CN208095700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109329139A (en) * | 2018-12-12 | 2019-02-15 | 上海海洋大学 | A kind of zebra fish roe hatching device |
| CN114651753A (en) * | 2022-03-25 | 2022-06-24 | 武汉联渔机械设备有限公司 | Aquatic fry production system and aquatic fry production method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20181116 |