CN205484082U - Airtight micro - imaging system - Google Patents
Airtight micro - imaging system Download PDFInfo
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- CN205484082U CN205484082U CN201620048894.6U CN201620048894U CN205484082U CN 205484082 U CN205484082 U CN 205484082U CN 201620048894 U CN201620048894 U CN 201620048894U CN 205484082 U CN205484082 U CN 205484082U
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Abstract
The utility model discloses an airtight micro - imaging system, including the bottom plate, still including setting up the shell on the bottom plate, be fixed with the sliding tray on the bottom plate, be provided with the lifting/lowering member that can follow sliding tray reciprocating motion on the sliding tray, lifting/lowering member's lift end is fixed with the CCD camera, and shell one end is provided with rectangle light source frame, is provided with the reacting chamber in the rectangle light source frame. The utility model provides a the magnification and the problem of shooing field of vision area contradiction, it replaces infrared light formation of image mode to utilize the visible light formation of image to shoot for speed and the definition of shooing obviously improve, while greatly reduced manufacturing cost.
Description
Technical field
This utility model relates to monitoring water environment instrument and equipment field, is specifically related to a kind of airtight microscopic filming system.It is applicable to the kinesiology Behavioral change of captured in real-time class, is used for studying kinesiology behavioral trait, growth rate and the life history characteristics of class.This equipment is also applied for the kinesiology behavioral trait of other microfaunas similar with class, growth rate and life history characteristics research.
Background technology
Developing rapidly along with socioeconomic, China's water environmental problems is increasingly serious, and there are the section of nearly 50%, the urban waters of 90% in the current whole nation by pollution in various degree.River, the north has water the most dirty, and due to river pollution, the anhydrous situation drunk occurs again and again in south；Underground water pollution problem becomes increasingly conspicuous, and 90% urban groundwater is polluted by poisonous and harmful substance to some extent, has the most been presented by the extension trend put to face.Water pollutes and has injured the healthy of the people and productive life, and the whole nation has people more than 300,000,000 cannot obtain safe drinking water at present.Monitoring water environment, early warning and protection are had higher requirement by the severe situation that water pollutes, and the water contamination accident particularly frequently occurred has beaten alarm bell to water supply security.In April, 2011, Ministry of Water Resources issued " notice about announcing national important drinking water source gazetteer " ([2011] No. 109 literary compositions of water resource letter); list the whole nation three batches of registers of Important Water Source, require that management and the protection work in important emphasis waters, this area is carried out according to relevant laws laws and regulations requirement in various places simultaneously.Emphasis water area water-quality safety, as the most important part of ecological safety, is directly connected to people's life's health and social harmony stabilizes the situation as a whole, be the important support condition built a well-off society in an all-round way.Carry out the research and development of monitoring water environment source of early warning, ensure water safety, the work arrangements carrying out the Party Central Committee, State Council, be also build a well-off society in an all-round way, be the Important Action implemented a scientific outlook on development, be to ensure body health of people and the important guarantee of stable society order.
The water quality monitoring of China is based on routine monitoring at present, within monitoring parameter is confined to 109 that " water environment quality standard " (GB3838-2002) specifies.And the in fact thousands of kind of the pollutant of nature, therefore, 109 parameters that " water environment quality standard " specifies do not reach far away the standard-required ensureing water quality safety.Add that cycle length is often monitored in routine monitoring, test takes time and effort, easily causes secondary pollution, thus, in the urgent need to a kind of quickly, comprehensively, the monitoring technology of environmental protection, detect rapidly water quality whether safety.Therefore, in the urgent need to carrying out parameter in bio kinetic model, find sensitive instruction biological and study its physio-biochemical characteristics and become as the task of top priority.
Owing to water is in a kind of miniature aquatic animal, its to the sensitivity of noxious substance far above the mankind, can before the mankind are damaged timely early warning quality problem.Furthermore the Behavioral change utilizing water is tested, early warning water quality, it is not necessary to adding exogenous chemical article, green safety, operating cost is cheap.And the key utilizing water to test water quality toxicity is the kinesiology behavior characteristics of energy captured in real-time water, the existing certain amplification of photographing request, shooting clear, afford a wide field of vision again, the kinesiology Behavioral change of water could be grasped accurately and rapidly.Capture apparatus is cheap simultaneously, promotes the most on a large scale.
The most external multiplex infrared microscopy high speed camera when online in situ study water Behavioral change, is characterized in that having only to faint infrared light can shoot, relatively low to the requirement ratio of light source, is suitable to shooting in 24 hours.And shortcoming is that infrared high-speed camera price is high, the frame per second of shooting per second is relatively low.This kind of technology is the most immature at present, and mostly domestic equipment is to introduce from external.Constrain the development of domestic class toxicity instrument.
Utility model content
The purpose of this utility model is that the problem overcoming prior art to exist, it is provided that a kind of airtight microscopic filming system, system solves the problem the technical problem in terms of following two: (1) solves amplification and the problem shooting visual field area contradiction.Traditional microscopic photography amplification is conflict with the shooting visual field, will reduce if it is desired to strengthen power field area, if same increasing sight plane amasss amplification and is subject to impact.This utility model well solves this problem, has both made visual field area be up to 1600mm2, also make amplification and definition meet requirement.(2) visual light imaging shooting is utilized to replace near infrared imaging pattern so that speed and the definition of shooting significantly improve, and greatly reduce equipment cost simultaneously.
The purpose of this utility model can be realized by following technical proposal:
A kind of airtight microscopic filming system, including base plate, also include the shell being arranged on base plate, sliding tray it is fixed with on base plate, being provided with on sliding tray can be along the reciprocating lifters of sliding tray, the lift side of lifters is fixed with CCD camera, and shell one end is provided with rectangular shaped light source frame, is provided with reative cell in rectangular shaped light source frame.
Reative cell as above includes the aluminium alloy pressing plate stacked successively, sub-Gree cover plate, hollow Asia Gree plate and bakelite base plate, aluminium alloy pressing plate, sub-Gree cover plate, hollow Asia Gree plate and bakelite base plate by bolt presses and are fixed in aluminium alloy panel, the part of hollow Asia Gree plate hollow constitutes reative cell inner space, reative cell inner space respectively with add mouth, water inlet and outlet and connect, water outlet is provided with filter screen, and aluminium alloy panel, base plate and shell are constituted closes space.
The sealing ring that is provided with between bakelite base plate and hollow Asia Gree plate as above, is provided with sealing ring between hollow Asia Gree plate and sub-Gree cover plate.
Side, rectangular shaped light source frame orientating reaction room as above is double-deck blue sub-Gree plate, and other sides are black Asia Gree plate.
Lifters as above includes that screw, screw bottom are fixed in sliding tray by nut, and screw top is provided with sliding shoe, and CCD camera is fixed on sliding shoe.
This product is super quality and competitive price compared with same kind of products at abroad, it is easy to safeguard.Microscopic filming system as used by the class toxicity instrument that BBE company of Germany produces is high speed infrared CCD camera, and light source used is infrared light supply, and its image-forming principle is infrared imaging principle, and price is high, and its domestic price is at about 100,000 yuan.We then utilize visual light imaging principle by the product of design, and utilization is common CCD camera and common lens, and light source is also visible light source.Its shooting effect is compared with high speed infrared CCD camera, and shooting speed is faster, apparent, and price only has 1st/20th of high speed infrared CCD camera.On Operation and Maintenance, the visible light source of this equipment is designed to the form of easy detachable, easy and simple to handle.The type selecting of CCD camera is the model that market application is wider, and replacing is easier.And CCD camera is relatively big in the adjustable range of level and longitudinal direction, the scope that can regulate is relatively wide, and the kind of object scope that therefore can shoot is wider.Even relatively big in the range of accommodation of level and longitudinal direction due to equipment camera lens when changing the CCD camera of different model, also can meet requirement.Therefore, the scope of application of this equipment is wider.
It is applicable to test the motor behavior of the microfaunas such as desk research class and the speed of growth of life history characteristics, such as different phase, travelling speed, travelling track, community distribution feature etc..The especially microfauna such as class kinesiology Behavioral change under the coercing of poisonous and harmful substance such as heavy metal, herbicide, insecticide, Organic substance etc., to evaluate its microfauna kinesiology Behavior inhibition situation.It it is the critical component of class toxicity instrument.
This utility model compared with prior art has the advantages that
(1) problem solving amplification and shooting visual field area contradiction.Traditional microscopic photography amplification is conflict with the shooting visual field, will reduce if it is desired to strengthen power field area, if same increasing sight plane amasss amplification and is subject to impact.This utility model well solves this problem, has both made visual field area be up to 1600mm2, also make amplification and definition meet requirement.
(2) visual light imaging shooting is utilized to replace near infrared imaging pattern so that speed and the definition of shooting significantly improve, and greatly reduce manufacturing cost simultaneously.This equipment is used for class toxicity instrument, greatly reduces instrument cost, promotes production domesticization and the popularization and application at home of class toxicity instrument, provides strong means for guarantee.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model.
Fig. 2 be reative cell face structural representation.
Fig. 3 is the side-looking structural representation of reative cell.
In figure: 1-optical lens, 2-CCD camera, 3-sliding tray, 5-shell, 7-reative cell, 8-rectangular shaped light source frame, 9-draw-in groove, 11-CCD camera fixed screw, 12-the first string holes, 13-CCD camera power supply interface, 14-data line interface, 15-base plate, 16-sliding shoe, 17-panel, 18-the second string holes
7-A-water inlet, 7-B-reative cell inner space, 7-C-filter screen, 7-D-outlet, 7-E-adds mouth, 7-F-aluminium alloy pressing plate, 7-G-aluminium alloy panel, 7-I-bakelite base plate, 7-J-hollow Asia Gree plate, 7-K-Asia Gree cover plate, 7-L-aluminium alloy pressing plate handrail.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1:
Optical lens 1, specification is CCTVLENS, focal length 16mm, CCD camera 2, uses Sony's 700TV CCD type number, and the two is connected to form microscopic filming system core component, for shooting the Behavioral change of water；CCD camera is fixed on sliding shoe 16 by M5 screw, sliding shoe 16 is aluminum alloy material, is fixed in sliding tray 3 by M4 screw, and sliding tray 3 is positioned on base plate 15, sliding shoe 16 can regulate the horizontal range of optical lens 1 and reative cell 7 by sliding tray 3, and range of accommodation is 0～30mm.Two nuts are had on fixed screw M4, by the two nut, screw M4 bottom is fixed in sliding tray 3, screw M4 fixes sliding shoe 16 in top, outreach by the top of the variation set screw of the position of two nuts, thus regulate the distance from base plate 15 of sliding shoe 16, reaching the purpose (that is to say the optical lens 1 vertical distance to water) regulating optical lens 1 with the vertical distance of base plate 15, vertical range of accommodation is 0～5mm；CCD camera power interface 13, by the first string holes 12(diameter 10mm) it is connected with power supply, it is used for providing CCD camera power supply；Data line interface 14, by the first string holes 12(diameter 10mm) it is connected with computer, the information of shooting is passed to computer；Reative cell 7(particular make-up is shown in Fig. 2, it is described in detail below), reative cell 7 is used for containing water sample and water and testing, reative cell 7 is fixing in rectangular shaped light source frame 8, is fixed in draw-in groove 9, is fixed on above between clamping plate and panel 17 bottom rectangular shaped light source frame 8, fix with the screw of model M6, draw-in groove 9, clamping plate and panel 17 are welded on base plate 15, and clamping plate, panel 17 and base plate 15 are aluminum alloy material, the deep 2mm of draw-in groove 9；Rectangular shaped light source frame is by LED, sub-Gree plate is made, it is shaped as the cube of hollow, side dimension is 110mm × 110mm × 18mm, inside dimensions is 81mm × 81mm × 18mm, and within LED is positioned at the space that inner and outer surrounds, medial surface is used for filtering light source for double-deck blue sub-Gree plate, its lap is black Asia Gree plate (for lucifuge), and LED forms blue monochromatic light after being filtered by double-deck blue sub-Gree plate；The effect one of rectangular shaped light source frame 8 is fixing reative cell 7, and two is to provide shooting required monochromater for reative cell 7；Reative cell 7 is just stuck in rectangular shaped light source frame 8, and the convenient end of experiment every time is unpicked and washed parts and changes water；Shell 5 is fixed on 15 base plates by M2 screw, forms a closed environment, it is to avoid outside sources enters affects shooting effect.
Reative cell 7 forms the most as shown in Figures 2 and 3, including water inlet 7-A, reative cell inner space 7-B, filter screen 7-C, outlet 7-D, adds a mouthful 7-E, aluminium alloy pressing plate 7-F, aluminium alloy panel 7-G, bakelite base plate 7-I, hollow Asia Gree plate 7-J, sub-Gree cover plate 7-K.Its order of connection is followed successively by: aluminium alloy panel 7-G, bakelite base plate 7-I, hollow Asia Gree plate 7-J, sub-Gree cover plate 7-K and aluminium alloy pressing plate handrail 7-L.Aluminium alloy panel 7-G is made up of aluminium alloy, and intensity is relatively big, as panel, above has four screws, and its effect is fixing glue timber apron 7-I, hollow Asia Gree plate 7-J, sub-Gree cover plate 7-K and aluminium alloy pressing plate 7-F.Aluminium alloy pressing plate handrail 7-L is had, it is simple to taking and placing in aluminium alloy panel；Bakelite base plate 7-I, is made up of black bakelite, and thickness is 7mm, as base plate when microscopic photography, strengthens shooting contrast effect；Hollow Asia Gree plate 7-J thickness 10mm, middle forced, this layer of sub-Gree plate is transparent, around can enter light source；Then sub-Gree cover plate 7-K(is covered transparent, thick 5mm), reative cell inner space 7-B is mainly used to contain water and water, as the Space, Place of test, is also the region of photographic head shooting；Below seal with sealing ring between layers, prevent from leaking.Finally plus aluminium alloy pressing plate 7-F, aluminium alloy pressing plate 7-F black coating, this plate has two effects, and one is to increase intensity, is laminated into parts, uniform stressed by above four, prevents from leaking, and two is that reative cell inside photographing border is dug out in centre, it is simple to computer identification.Above-mentioned four parts are fixed in aluminium alloy panel 7-G by M5 screw.Water inlet 7-A is positioned in aluminium alloy panel 7-G, and water inlet passes over bakelite base plate at reative cell and is connected with reative cell inner space 7-B, and water inlet 7-A is water sample water inlet, and valve used is ZXC snap joint.Outlet 7-D is positioned in aluminium alloy panel 7-G, outlet again passes through bakelite base plate and is connected with reative cell inner space 7-B, outlet is provided with filter screen 7-C, the effect of outlet 7-D is the water sample after discharging test, valve used is ZXC snap joint, and the effect of filter screen 7-C is to prevent the water flight in reative cell.
The operational approach of equipment is: opens and adds a mouthful 7-E, adds water, covers stopper, reative cell 7 is installed to rectangular shaped light source frame 8.Add test water sample from water inlet 7-A, outlet 7-D is connected drainage pipeline.Then open rectangular shaped light source frame 8, CCD camera 2 and control computer, starting CCD camera and control software (camera carries).Use that can pass through sliding tray, screw and camera lens flexible first, regulation optical lens 1 level and vertical on distance, reached optimal shooting effect, covered shell 5, shot signal and will pass to accepting device (such as computer) by data wire 14.Can the motor behavior situation of change of Real Time Observation record water by accepting device.It is used without regulating optical lens and reative cell 7 distance more later.Only need to open and add a mouthful 7-E, add water, cover stopper, reative cell 7 is installed to rectangular shaped light source frame 8.Add test water sample from water inlet 7-A, outlet 7-D is connected drainage pipeline.Then open rectangular shaped light source frame 8, CCD camera 2 and control computer, starting computer and control software, the most operable.
The installation method of reative cell 7 is as follows: open the screw in aluminium alloy panel 7-G, reative cell 7 various piece is carried out, according to aluminium alloy panel 7-G after cleaning, bakelite base plate 7-I, hollow Asia Gree plate 7-J, sub-Gree cover plate 7-K, aluminium alloy pressing plate 7-F order assemble (being mounted on water proof ring the most between layers to prevent from leaking), are fixed by screw after assembling.Then open and add a mouthful 7-E, be carefully added into test water and water sample, cover stopper, prevented bubble from entering, affected shooting effect.Rectangular shaped light source frame 8 is inserted between the draw-in groove 9 on base plate 15, clamping plate and panel 17, with screw, rectangular shaped light source frame 8 is fixed, to be used for fixing reative cell 7 and to provide photographic light sources.CCD camera 2 is screwed on sliding shoe 16, then sliding shoe 16 fixed screw is fixed in sliding tray 3.Connect CCD camera power interface 13, data line interface 14 is connected with computer, CCD camera data collecting card (model SDK3000) is installed on computers.Installing the reative cell 7 assembled and arrive in rectangular shaped light source frame 8, water inlet 7-A accesses test water sample, outlet 7-D connects drain pipe.Opening rectangular shaped light source frame 8 power supply and CCD camera 2 power supply, open computer, image information display CCD camera shot is out.Regulation sliding shoe 16 is in the position of sliding tray 3 with the distance of regulation camera lens with reative cell 7, and set screw is to regulate the vertical distance of camera lens simultaneously, finds optimal shooting distance and height.Then the fine setting of regulation optical lens 1 reaches optimal shooting effect, is fixed above position, installs shell 5 by screw, complete assembling and the debugging of whole system.Debugging can carry out official testing after terminating.
The method of test is to open rectangular shaped light source frame 8 power supply, CCD camera 2 power supply and computer power, start photographing program, the image information of now CCD camera 2 shooting passes to computer, large-scale kinesiology behavioral parameters such as movement velocity, the direction of motion, Species structure area, motion amplitude, the speed of growth etc. can by computer software analysis out, by comparing with kinesiology behavior under normal circumstances, i.e. can determine whether to test the toxicity size of water sample.After being completed, pull-out reative cell water inlet 7-A is closed and outlet 7-D closedown (water inlet 7-A and outlet 7-D is quick one-way joint, pulls out joint and is i.e. automatically switched off, and prevents from leaking).Then open screw, pour the residual water sample in reative cell 7 and water into waste liquid cylinder, prevent from polluting environment, reative cell 7 is carried out, then assemble repetition above step and carry out next group sample test.Only equipment carries out distance regulation up and down before and after sliding shoe 16 is carried out when installing and using for the first time, later retest need not debug again.When the class of test or the kind of microfauna need again to calibrate when changing.
This utility model can test the toxicity of noxious substance, as carried out toxotest with water for instruction biology, its principle is when water is injured by noxious substance, its movement velocity can occur significant change, when the movement velocity of water is suppressed to the 50% of only normal speed, i.e. it is judged to that water creates obvious response to, that is water sample is poisonous.Its method of testing and step are as follows: open and add a mouthful 7-E, add water, cover the stopper added on mouthful 7-E, reative cell 7 is installed to rectangular shaped light source frame 8.Add containing heavy metal Cr from water inlet 7-A6+Poisonous water sample, by outlet 7-D connect drainage pipeline.Then opening rectangular shaped light source frame 8, CCD camera 2 and control the computer of CCD camera 2, starting CCD camera and control software, now shooting signal will pass to computer by data wire 14.Can the movement velocity situation of change of Real Time Observation record water by computer.Experiment finds as metal Cr6+Concentration when being 0.02mg/L, the movement velocity at about 4 hours water declines 50%, i.e. detection water sample is poisonous.Same the method heavy metal Pb2+Detection limit concentration be 0.05mg/L, herbicide rust goes the concentration in Tianjin to be 0.02mg/L, and insecticide DDT is 0.01mg/L, and the movement velocity being water in 4 hours declines 50%.
Due to this utility model designing introduction, part replacement is simple, and (needing after running 2 years the most continuously to change parts) after running for a long time needs to change rectangular shaped light source frame 8 and CCD camera 2.Only need to open shell 5 when changing rectangular shaped light source frame 8, unclamp rectangular shaped light source frame 8, be replaced.When changing CCD camera 2, need to be first turned on shell 5, unclamp CCD camera fixed screw and sliding shoe fixed screw, be replaced.Then carrying out coarse adjustment by sliding tray 3 and set screw, by good to lens focus and position adjustments, shooting image adjustment to clearly, is then installed shell 5 by recycling lens focus.Can be grasped by simple training, be not required to professional and change.Use and keep in repair the most fairly simple.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (5)
1. an airtight microscopic filming system, including base plate (15), it is characterized in that, also include the shell (5) being arranged on base plate (15), being fixed with sliding tray (3) on base plate (15), sliding tray (3) is provided with can be along sliding tray (3) reciprocating lifters, and the lift side of lifters is fixed with CCD camera (2), shell (5) one end is provided with rectangular shaped light source frame (8), is provided with reative cell (7) in rectangular shaped light source frame (8).
nullThe airtight microscopic filming system of one the most according to claim 1，It is characterized in that，Described reative cell (7) includes the aluminium alloy pressing plate (7-F) stacked successively、Sub-Gree cover plate (7-K)、Hollow Asia Gree plate (7-J) and bakelite base plate (7-I)，Aluminium alloy pressing plate (7-F)、Sub-Gree cover plate (7-K)、Hollow Asia Gree plate (7-J) and bakelite base plate (7-I) by bolt presses and are fixed in aluminium alloy panel (7-G)，The part of hollow Asia Gree plate (7-J) hollow constitutes reative cell inner space (7-B)，Reative cell inner space (7-B) respectively with add mouth (7-E)、Water inlet (7-A) connects with outlet (7-D)，Outlet (7-D) place is provided with filter screen (7-C)，Aluminium alloy panel (7-G)、Base plate (15) and shell (5) are constituted closes space.
The airtight microscopic filming system of one the most according to claim 2, it is characterized in that, it is provided with sealing ring between described bakelite base plate (7-I) and hollow Asia Gree plate (7-J), between hollow Asia Gree plate (7-J) and sub-Gree cover plate (7-K), is provided with sealing ring.
The airtight microscopic filming system of one the most according to claim 3, it is characterised in that described rectangular shaped light source frame (8) orientating reaction room (7) side is double-deck blue sub-Gree plate, and other sides are black Asia Gree plate.
The airtight microscopic filming system of one the most according to claim 4, it is characterized in that, described lifters includes screw, and screw bottom is fixed in sliding tray (3) by nut, screw top is provided with sliding shoe (16), and CCD camera (2) is fixed on sliding shoe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048894.6U CN205484082U (en) | 2016-01-19 | 2016-01-19 | Airtight micro - imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048894.6U CN205484082U (en) | 2016-01-19 | 2016-01-19 | Airtight micro - imaging system |
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| CN205484082U true CN205484082U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620048894.6U Withdrawn - After Issue CN205484082U (en) | 2016-01-19 | 2016-01-19 | Airtight micro - imaging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466935A (en) * | 2016-01-19 | 2016-04-06 | 武汉昌宝环保工程有限公司 | Closed microscopic shooting system |
| CN107689178A (en) * | 2017-09-22 | 2018-02-13 | 天津航天机电设备研究所 | A kind of miniature outer space experiment teaching aid of plug type |
-
2016
- 2016-01-19 CN CN201620048894.6U patent/CN205484082U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466935A (en) * | 2016-01-19 | 2016-04-06 | 武汉昌宝环保工程有限公司 | Closed microscopic shooting system |
| CN107689178A (en) * | 2017-09-22 | 2018-02-13 | 天津航天机电设备研究所 | A kind of miniature outer space experiment teaching aid of plug type |
| CN107689178B (en) * | 2017-09-22 | 2024-03-08 | 天津航天机电设备研究所 | Pluggable miniature space experiment teaching aid |
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Effective date of registration: 20170220 Address after: East Lake New Technology Development Zone, Optics Valley Hubei province 430073 Guan Shan Cun, Wuhan City No. 8 two (K24-1, K24-2) 6 Building 1 unit 9 floor No. 8 Patentee after: Wuhan vast water environmental science and Technology Co Ltd Address before: 430070 Hubei city of Wuhan Province in Changyuan No. 156 North Road, building 17 floor Patentee before: Wuhan Changbao Environment Protection Engineering Co., Ltd. |
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Granted publication date: 20160817 Effective date of abandoning: 20181012 |
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