CN1242667C - Bean sprout culture system with quick uniform sprinkling and elastic pressure adjusting - Google Patents
Bean sprout culture system with quick uniform sprinkling and elastic pressure adjusting Download PDFInfo
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- CN1242667C CN1242667C CNB021032629A CN02103262A CN1242667C CN 1242667 C CN1242667 C CN 1242667C CN B021032629 A CNB021032629 A CN B021032629A CN 02103262 A CN02103262 A CN 02103262A CN 1242667 C CN1242667 C CN 1242667C
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- incubator
- cultivation box
- protruding pipe
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The present invention relates to a bean sprout cultivation system with rapid even water spray and elastic pressure regulation, which is composed of a cultivation box, a grid disc, an even water pressure cover, an elastic ring belt, a buckling isolator and a water supply system, wherein a plurality of water guide convex pipes which are arranged at the bottom of the cultivation box and are regularly arranged are used for quantitatively and rapidly injecting water sources in the cultivation box at the uppermost layer from the water supply system. When the set flow quantity of the water sources is greater than the total flow quantity of all the water guide convex pipes arranged at the bottom of the cultivation box, the downward natural water pressure is formed, the water sources are guided to upper convex water inlets with proper heights, which are arranged by the water guide convex pipes, the water sources uniformly and accurately flow in the cultivation box at the lower layer through water drop openings, columnar water flow is dispersed in a drop shape through even water holes on the even water pressure cover, the moisture is sufficiently supplied to bean sprouts grown in the grid disc, and superfluous water is discharged to the next cultivation box from the water drop openings of the water guide convex pipes so as to continue using. After the water supply is completed, the upper convex water inlets can cause the water sources which are in the cultivation box and keep proper height to supply the roots of the bean sprouts for absorption.
Description
Technical field
The present invention relates to a kind of bean sprout culture system.The bean sprout culture system that particularly a kind of tool quick uniform sprinkling and elastic pressure are regulated.
Background technology
The intensive mode of production that the present employed bean sprout culture production system of bud dish dealer is adopted water spray type more is main, and the dealer is for the quality of stablizing the bud dish and the generation of controlling bud dish corruption, use various chemical agents and antibacterial agent, and then for making the bud dish sturdy, and in air, add artificial ethene, but whether harmful with the bud dish that this kind mode of production is cultivated, be worth going into seriously.In recent years, the domestic and international dealer slowly awakening of tool morals intuitive knowledge is arranged a bit, begin to research and develop organic cultivation technology of some boxes, but there are many technological layers still must overcome and effort, how no longer to need to use complicated multiple field water supply piping, expensive control element or the built-in siphon principle plumbing of cleaning and maintaining of being difficult to, and then how to reach the full-automation production of zero additive, be the target that all industries lay siege to.
Under the inventor constantly is devoted to the relevant research of bud dish for many years and creates, in succession to the multinomial patent of invention case of the whole world tens of state application, in getting permission successively at present and trying, but it is self-satisfied that this case creator does not regard it as, make every effort to create and have more economic benefit and produce more high-quality bean sprout culture system and effort, after No. the 167424th, the novel patent case in the Taiwan of having got permission [all process sprout vegetable quick automatic cultivating box and regulating level (amount) and autobalance (water capable of circulation) give (row) water province water system], the shortcoming of all bud dish dealers' bud dish production system is at present innovated in improvement once more, develop more advanced three-dimensional box and cultivate technology, develop the bean sprout culture system that a tackling quick uniform sprinkling and elastic pressure are regulated, with the simplest way of supplying water cheaply again, the moisture content of institute's palpus when supplying with uniformly bud dish growth in each aspect incubator, and this case utilizes the structural design of the protruding pipe of water guide of the simple innovation in incubator bottom itself, can reach more uniform water supply effect, significantly reduce the cost and the complex control apparatus of the supplying drainage pipeline equipment of former times formula box production.
After the accession to WTO of Taiwan, traditional agricultural will be subjected to sizable impact and influence, so how effectively upgrading improves state-of-the-art high-tech agricultural production with research and development, and then drives the new life of the exquisite agricultural in Taiwan, is that the inventor constantly makes great efforts pursuing target and direction.
Summary of the invention
Technical problem to be solved by this invention is the above-mentioned deficiency at prior art, and the bean sprout culture system that provides a kind of tool quick uniform sprinkling and elastic pressure to regulate.
Above-mentioned technical problem of the present invention is realized by following technical scheme.
The bean sprout culture system that a kind of tool quick uniform sprinkling and elastic pressure are regulated is to put with the neatly folded establishing of single case multilayer height, and it comprises:
One incubator, it is the structure-reinforced casing that is provided with the lamination location, the peristome outer rim frame of this casing is provided with the fool proof locating slot of a plurality of laminations location, outer rim below, bottom is provided with the fool proof alignment pin of a plurality of laminations location, inner root edge place is provided with a plurality of contour space projections, casing one symmetrical lateral margin is provided with one day evagination and is the groove that caves in of recess, and is provided with two hooks in lateral margin place, the base of this groove that caves in, and holds elastic ring belt to collude;
One even water pressure lid, it is frame shape and inside is to constitute with latticed reinforced ribs uniformly-spaced, is formed in one, the lattice inner bottom surface of its reinforced ribs is provided with a plurality of even water holes, columnar water stream is dispersed into more uniform shape; This even water pressure lid is provided with one group of holder with respect to the side of the above-mentioned groove that caves in, and is fastened for the elastic ring belt with certain elastic telescopic value of thrust;
One grid dish, be usefulness for beans kind implantation, its bottom is provided with the implantation net that is the porous plain net shape of balanced configuration with the grid of above-mentioned even water pressure lid, be formed in one, the height of the gridiron of this implantation net just is the height after the desire cultivation beans kind seed soaking expansion, and when gathering, can allow the bud dish lean in this gridiron, directly with sharp sword with bud dish and root portion from, the mesh of this implantation net needs drop to prevent the beans kind less than the beans kind.The root of beans kind is to pass mesh to absorb moisture in addition;
One button is from device, be to hold the location and break away from order to above-mentioned elastic ring belt is detained fast in good time, it is to be divided downward vertically by a control lever to be set as striding of both sides tool spacing and to establish plate, and root edge is provided with the detent of depression arcuation and the release convex arc of convex camber line with symmetrical manner: and
One supply and drain water system is in order to supply with this culture system water source, to inject the incubator of the superiors in quantitative mode; It is characterized in that:
Above-mentioned incubator bottom is provided with the protruding pipe of water guide of a plurality of proper alignment, the two ends up and down of the protruding pipe of this water guide have water inlet and the water dropping openings that interpenetrates respectively, when the water source flow that sets from above-mentioned water supply system during greater than the protruding pipe total flow of all set water guides of incubator bottom, promptly can form downward natural hydraulic pressure, the water source is introduced in the water inlet of the set epirelief of the protruding pipe of water guide, again via following protruding water dropping openings, evenly and accurately flow into the incubator of lower floor with the column current, even water hole via above-mentioned even water pressure lid is dispersed into more uniform shape with columnar water stream again, the sufficient moisture content that is supplied in the bud dish institute palpus of growing in the grid dish, and unnecessary water source can enter down one deck incubator continuation use again by the set water dropping openings of the protruding pipe of water guide, and when water source supply during to the orlop incubator, after unnecessary moisture content can be drained into the below rhone by the water dropping openings of the protruding pipe of water guide, discharging or via utilizing again after the water treatment system recycling; And the water inlet of the tool certain altitude epirelief that the protruding pipe of water guide is set can make to keep the usefulness of the water source of a little suitable height for the absorption of bud dish root in the incubator after water supply finishes.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
The holder of wherein even water pressure lid can further comprise the screening glass of tool reinforcement en plaque towards the outer edge side appropriate location.
The elastic ring belt of wherein even water pressure lid is that the rubber material of tool coefficient of elasticity is made.
The elastic ring belt of wherein even water pressure lid is the coil tension spring of tool elastic pulling force.
The invention has the advantages that:
1, the protruding pipe of water guide of a plurality of proper alignment of incubator bottom is located in utilization, incubator with the water supply system injection the superiors that the water source is quantitative, when setting the about flow in water source greater than the protruding pipe total flow of all set water guides of incubator bottom, promptly can form downward natural hydraulic pressure, the water source is introduced in the water inlet of the set epirelief of the protruding pipe of water guide, via protruding water dropping openings under it, evenly and accurately flow into the incubator of lower floor with the column current, even water hole via even water pressure lid is dispersed into more uniform shape with columnar water stream again, the sufficient moisture content that is supplied in the bud dish institute palpus of growing in the grid dish, and unnecessary water source can drain into down one deck incubator continuation use again by the set water dropping openings of the protruding pipe of water guide, and when water source supply during to the orlop incubator, after unnecessary moisture content can be drained into the below rhone by the water dropping openings of the protruding pipe of water guide, via the characteristics of utilizing again after the water treatment system recycling.
2, utilize the water inlet of the set certain altitude of the protruding pipe of water guide, can make in the incubator after water supply finishes is to hold a little suitably to be absorbed as another characteristics for bud dish root in the water source of height.
3, utilize the hook of incubator two inwall bottom sides and even water pressure to cover the elastic pressure governor motion that elastic ring belt constituted that sets on the holder of a both sides ancient piece of jade, round, flat and with a hole in its centre, in between growth stage in the bud dish initial stage to latter stage, in response to the variation of growing height, (during early days of growth: the pressure ~ growth of 250g beans kind → I.5kg is during latter stage to impose the elastic pressure coefficient of the crescendo formula of calculating through force value; 250g beans kind → I5kg pressure), and be subjected to the crescendo formula continue exert pressure down, the bud dish discharges a large amount of adverse circumstance ethene (ethylene stress) from knowing from experience, the bud dish evenly and is fast grown up, and effectively suppress bud dish cellular tissure and make an appointment with longitudinal growth, quicken the lateral magnification of cellular tissure, and make sprout more sturdy solid, work as sprout again under the pressurized that continues crescendo, make a large amount of adverse circumstance ethene (ethylene stress) metabolism be the effect of elder generation through ethene oxidation ferment (ethylenemonooxygenase), change into ethylene oxide (ethylene oxide), and ethylene oxide (ethylene oxide) can effectively help the bud dish suppresses bacterium in developmental process infection and grow, and then the most high-quality a productions art that reaches zero additive is a final goal.
4, when gathering, utilize the gridiron of grid dish, allow the bud dish lean in the gridiron of grid dish, easily with sharp sword with bud dish and root portion from, difficulty is chewed and inaesthetic root excises in the lump, pin expense person can be eaten outside the better bud dish of mouthfeel and quality, also promoted the surcharge of product.
For further understanding to the present invention, below enumerate a preferred embodiment now, conjunction with figs. elaborates constitution content of the present invention and the effect reached thereof as the back:
Description of drawings
Fig. 1 shows three-dimensional exploded view of the present invention.
Fig. 1 a shows the holder enlarged drawing of even water pressure lid.
Fig. 1 b shows the partial enlarged drawing of even water pressure lid.
The partial enlarged drawing of Fig. 1 c show grid dish.
Fig. 1 d shows the partial enlarged drawing of incubator.
Fig. 1 e shows that training has the back side stereo appearance figure of case;
Fig. 2 shows that button of the present invention is from the device outside drawing.
Fig. 3 shows the present invention after the sabot of beans kind, elastic ring belt is hooked together in the operation chart of hook from device with button, and wherein Fig. 3 a is that elastic ring belt is not finished configuration as yet, and Fig. 3 b is that elastic ring belt is finished the location configuration.
Fig. 4 shows that the present invention folds the stereo appearance figure after establishing.
Fig. 5 shows the generalized section when the present invention does not feed water.
Fig. 5 a shows the partial enlarged drawing of Fig. 5.
Fig. 6 shows the generalized section when the present invention feeds water.
Fig. 6 a shows the partial enlarged drawing of Fig. 6.
Fig. 7 shows the generalized section after the present invention feeds water.
Fig. 7 a shows the partial enlarged drawing of Fig. 7.
Fig. 8 shows the generalized section of bud dish after growth is finished that the present invention cultivates.
Fig. 9 shows the present invention after bud dish growth is finished, the operation chart that from device elastic ring belt is broken away from from hook with button, wherein Fig. 9 a for button when device does not probe into as yet, Fig. 9 b makes elastic ring belt get out of trouble after device stretches into for button.
Figure 10 shows the present invention after the growth of bud dish is finished, the schematic diagram of excision bud dish root.
Embodiment
See also Fig. 1, Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 e, Fig. 2 and Fig. 4, the present invention includes with lower member by finding out among the figure:
Even water pressure lid 3; it is frame shape and inside is to constitute with latticed reinforced ribs 31 uniformly-spaced; be formed in one; the lattice inner bottom surface of its reinforced ribs is provided with a plurality of even water holes 32; columnar water stream is dispersed into more uniform shape; should be provided with one group of holder 33 by even water pressure lid 3 sides with respect to the groove 18 that caves in; be fastened for the elastic ring belt 4 with certain elastic telescopic value of thrust (it can be the rubber material of the suitable coefficient of elasticity of tool or the coil tension spring of tool elastic pulling force), this holder 33 comprises the screening glass 34 of tool reinforcement en plaque towards the outer edge side appropriate location.
Button is from device 5, be to hold the location and break away from order to above-mentioned elastic ring belt 4 is detained fast in good time, it is to be divided downward vertically by a control lever 51 to be set as striding of the suitable spacing of both sides tool and to establish plate 52, root edge is provided with the detent 53 of depression arcuation and the release convex arc 54 of convex camber line with symmetrical manner, wherein detent 53 for the elastic ring belt 4 of the holder 33 that will be held in even water pressure lid 3 with after supporting down shown in Fig. 3 a and Fig. 3 b, elastic ring belt 4 is taken advantage of a situation to slip into to link up with to finish in 13 and is held the location; Wherein, but button becomes automatic mechanism from device 5 matching design, in order to carrying out above-mentioned required action.
Consult Fig. 5, Fig. 5 a, Fig. 6, Fig. 6 a, Fig. 7, Fig. 7 a and Fig. 8, when water source 7 flows that set from water supply system 6 during greater than protruding pipe 15 total flows of all set water guides of incubator 1 bottom, promptly can form downward natural hydraulic pressure, water source 7 be introduced in the water inlet 16 of the set tool height epirelief of the protruding pipe of water guides 15.Drip 17 via protruding under the suitable height of tool again, evenly and accurately flow into the incubator of lower floor with the column current, even water hole 32 via even water pressure lid 3 is dispersed into more uniform shape with columnar water stream again, the moisture content that the sufficient bud dish that is supplied in growth in the grid dish 2 81 is required, and unnecessary water source 7 can enter down one deck incubator continuation use again by the protruding pipe 15 set water dropping openings 16 of water guide, and the water inlet of the tool certain altitude epirelief that the protruding pipe of water guide 15 is set, after water supply finishes, can make keep in the incubator 1 a little suitably water source 7 of height for the usefulness of bud dish 81 root absorptions.And when water source supply during to the orlop incubator, after unnecessary moisture content can be drained into below rhone 9 by the water dropping openings 18 of the protruding pipe 15 of water guide, discharging or via utilizing again after the water treatment system recycling.
In bud dish 81 process of growths, the hook 13 that the present invention utilizes 1 liang of inwall bottom side of incubator and even water pressure are covered the elastic pressure governor motion that the elastic ring belt 4 that sets on the holder 33 of 3 both sides ancient piece of jade, round, flat and with a hole in its centres is constituted, in between the growth stage in initial stage to latter stage of bud dish 81, the elastic pressure coefficient that imposes the crescendo formula of calculating through force value is (during early days of growth: 250g beans kind → when I.5kg pressure one is grown up latter stage: 250g beans kind → 15kg pressure), and be subjected to the crescendo formula continue exert pressure down, the bud dish discharges a large amount of adverse circumstance ethene (ethylene stress) from knowing from experience, the bud dish evenly and is fast grown up, and effectively suppress the longitudinal growth of bud dish cellular tissure, quicken the lateral magnification of cellular tissure, and make sprout more sturdy and solid, and continuing when sprout under the pressurized of crescendo, make a large amount of adverse circumstance ethene (ethylene stress) metabolism be the effect of elder generation through ethene oxidation ferment (ethylene monooxygenase), change into ethylene oxide (ethyleneoxide), and ethylene oxide (ethylene oxide) can effectively help the bud dish suppresses bacterium in developmental process infection and grow, and then the most high-quality production technology that reaches zero additive is a final goal.
After growing to the height that to gather in the crops when bud dish 81, the order button is from device 5 Rotate 180 degree again, it supports down and changes in the process to discharge convex arc 54 contact resilient endless belt 4, shown in Fig. 9 a, at this moment, can be because of discharging the particular design of convex arc 54, so elastic ring belt 4 outer supporting can be broken away from hook 13, shown in Fig. 9 b, finish and the separating of incubator 1.
Consult Figure 10, can utilize the gridiron 21 of grid dish 2 when gathering, can allow bud dish 81 lean on gridiron 22 in grid dish 2, easily with sharp sword with bud dish 81 and root portion from, difficulty is chewed and inaesthetic root excises in the lump, the consumer can be eaten outside the better bud dish of mouthfeel and quality, also promoted the surcharge of product.
In sum, the bean sprout culture system that tool quick uniform sprinkling provided by the present invention and elastic pressure are regulated not only can reach outside the practical effect of expection, and be new design not seen before, has met the important document of Patent Law invention, mere formality application in accordance with the law.
Below with the detailed description of the invention, the above only is preferred embodiment of the present invention, when not limiting scope of the invention process, be that all equalizations of doing according to the present patent application claim change and modify etc., all should still belong to patent of the present invention and contain model figure.
Claims (4)
1, a kind of bean sprout culture system is to put with the neatly folded establishing of single case multilayer height, and it comprises:
One incubator, it is structure-reinforced casing, the peristome outer rim frame of this casing is provided with the fool proof locating slot of a plurality of laminations location, outer rim below, bottom is provided with the fool proof alignment pin of a plurality of laminations location, inner root edge place is provided with a plurality of contour space projections, casing one symmetrical lateral margin is provided with one day evagination and is the groove that caves in of recess, and is provided with two hooks in lateral margin place, the base of this groove that caves in, and holds elastic ring belt to collude;
One even water pressure lid, it is frame shape and inside is to constitute with latticed reinforced ribs uniformly-spaced, is formed in one, the lattice inner bottom surface of its reinforced ribs is provided with a plurality of even water holes, columnar water stream is dispersed into more uniform shape; This even water pressure lid is provided with one group of holder with respect to the side of the above-mentioned groove that caves in, and is fastened for the elastic ring belt with certain elastic telescopic value of thrust;
One grid dish, its bottom is provided with the implantation net that is the porous plain net shape of balanced configuration with the grid of above-mentioned even water pressure lid, be formed in one, the height of the gridiron of this implantation net just is the height after the desire cultivation beans kind seed soaking expansion, and when gathering, can allow the bud dish lean in this gridiron, directly with sharp sword with bud dish and root portion from, the mesh of this implantation net needs less than the beans kind, the root of beans kind is to pass mesh in addition;
One button is from device, is in order to above-mentioned elastic ring bracelet being held the location and to be broken away from, and it is to be divided downward vertically by a control lever to be set as striding of both sides tool spacing and to establish plate, and root edge is provided with the detent of depression arcuation and the release convex arc of convex camber line with symmetrical manner; And
One supply and drain water system is in order to supply with this culture system water source, to inject the incubator of the superiors in quantitative mode; It is characterized in that:
Above-mentioned incubator bottom is provided with the protruding pipe of water guide of a plurality of proper alignment, the two ends up and down of the protruding pipe of this water guide have water inlet and the water dropping openings that interpenetrates respectively, when the water source flow that sets from above-mentioned water supply system during greater than the protruding pipe total flow of all set water guides of incubator bottom, promptly can form downward natural hydraulic pressure, the water source is introduced in the water inlet of the set epirelief of the protruding pipe of water guide, again via following protruding water dropping openings, evenly and accurately flow into the incubator of lower floor with the column current, even water hole via above-mentioned even water pressure lid is dispersed into more uniform shape with columnar water stream again, the sufficient moisture content that is supplied in the bud dish institute palpus of growing in the grid dish, and unnecessary water source can enter down one deck incubator continuation use again by the set water dropping openings of the protruding pipe of water guide, and when water source supply during to the orlop incubator, after unnecessary moisture content can be drained into the below rhone by the water dropping openings of the protruding pipe of water guide, discharging or via utilizing again after the water treatment system recycling; And the water inlet of the tool certain altitude epirelief that the protruding pipe of water guide is set can make to keep the usefulness of the water source of a little height for the absorption of bud dish root in the incubator after water supply finishes.
2, bean sprout culture system according to claim 1 is characterized in that: the holder of wherein even water pressure lid can further comprise the screening glass of tool reinforcement en plaque towards the outer edge side place.
3, bean sprout culture system according to claim 1 is characterized in that: the elastic ring belt of wherein even water pressure lid is that the rubber material of tool coefficient of elasticity is made.
4, bean sprout culture system according to claim 1 is characterized in that: the elastic ring belt of wherein even water pressure lid is the coil tension spring of tool elastic pulling force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021032629A CN1242667C (en) | 2002-02-01 | 2002-02-01 | Bean sprout culture system with quick uniform sprinkling and elastic pressure adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021032629A CN1242667C (en) | 2002-02-01 | 2002-02-01 | Bean sprout culture system with quick uniform sprinkling and elastic pressure adjusting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1435085A CN1435085A (en) | 2003-08-13 |
| CN1242667C true CN1242667C (en) | 2006-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021032629A Expired - Fee Related CN1242667C (en) | 2002-02-01 | 2002-02-01 | Bean sprout culture system with quick uniform sprinkling and elastic pressure adjusting |
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| Country | Link |
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| CN (1) | CN1242667C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019101755A1 (en) * | 2017-11-21 | 2019-05-31 | Tierney, Paul | Improved hydroponic system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771376B (en) * | 2012-08-10 | 2014-04-30 | 广东小熊电器有限公司 | Bean sprouting machine capable of adjusting seedling raising space according to development situation of bean sprout |
| CN103669261A (en) * | 2012-08-31 | 2014-03-26 | 孙希贤 | Movable combined afforestation fence with irrigation system |
| CN105455158B (en) * | 2014-08-26 | 2018-08-31 | 台州知通科技有限公司 | A kind of pretreatment conveying device for potato chips raw materials for production |
| CN106234196A (en) * | 2016-08-29 | 2016-12-21 | 无锡苏芽食品有限公司 | A kind of high efficiency bean sprout pregermination device |
-
2002
- 2002-02-01 CN CNB021032629A patent/CN1242667C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019101755A1 (en) * | 2017-11-21 | 2019-05-31 | Tierney, Paul | Improved hydroponic system |
| US11672213B2 (en) | 2017-11-21 | 2023-06-13 | Todd Adam Dennis Harrison | Hydroponic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1435085A (en) | 2003-08-13 |
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Granted publication date: 20060222 Termination date: 20110201 |