CN109521184A - A kind of seedling growth monitoring soil moisture device - Google Patents
A kind of seedling growth monitoring soil moisture device Download PDFInfo
- Publication number
- CN109521184A CN109521184A CN201811541054.3A CN201811541054A CN109521184A CN 109521184 A CN109521184 A CN 109521184A CN 201811541054 A CN201811541054 A CN 201811541054A CN 109521184 A CN109521184 A CN 109521184A
- Authority
- CN
- China
- Prior art keywords
- driving
- cabin
- soil moisture
- axis
- seedling growth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N2033/245—Earth materials for agricultural purposes
Abstract
The invention discloses a kind of seedling growth monitoring soil moisture devices, including fixed plate, the fixed plate downside end is provided with tripod, the present invention provides a kind of seedling growth monitoring soil moisture device, structure setting is ingenious, fixed plate is fixedly supported on nursery stock side by tripod, it tunnels axis driven rotation and carries out efficiently quick precession under the promotion of elevating mechanism simultaneously, it is arranged in the floor detection groove of driving axis due to moisture transducer, soil in tunneling process is avoided directly to squeeze moisture transducer, effective protection moisture transducer, in addition soil enters in groove under disturbance, so that soil comes into full contact with moisture transducer, do not influence working sensor, when being irrigated after tested, according to testing result, it irrigates spray head in groove and accurate quantification water spray is carried out to soil, water along driving axis with Gap is spread downwards between soil, realizes efficient precision irrigation, and in addition the present invention is provided with solar panel, efficiently uses solar energy.
Description
Technical field
The present invention relates to monitoring soil moisture equipment technical field, specifically a kind of seedling growth is filled with monitoring soil moisture
It sets.
Background technique
Nursery stock is the sapling with root system and seedling stem.No matter all sapling age sizes cultivated in nursery, be not out of the garden
Before, all claim nursery stock.Nursery stock type: seedling, planting stock, nursery transplant, reserved bed seedling.Nursery stock can also be according to shrub point
Class, generally relatively more in northern arbor seedling, southern shrub is relatively more, this is mainly due to growth weather caused by, greening seedling
Wood it is most-often used in urban landscaping such as: urban afforestation, residential quarters greening, highway planting, green barren hill, greening river dyke
Deng.According to the understanding of modern, gardens not only act as strolling about or have a rest and be used, while also having the function of protecting and improving the environment.It plants
Carbon dioxide can be absorbed in object, releases oxygen, purifies air；Pernicious gas and absorption dust can be absorbed to a certain extent,
Pollution abatement；Temperature, the humidity of adjustable air improve miniclimate；There are also weaken the protection such as noise and radix saposhnikoviae, fire prevention to make
With.Significantly gardens are psychologically with spiritual beneficial effect, and national happiness city in the top, none is not
It is garden-like cities.It strolls about or have a rest in scenic and quiet gardens, helps to eliminate the bring anxiety and tired of working long hours,
Mental, physical strength is set to be restored.
It needs to be monitored soil moisture during many preciousness seedling growths in Garden Engineering, however traditional soil
Moisture monitoring apparatus structure is stiff, has a single function, and does not have the function of carrying out precision irrigation according to testing result especially.
Summary of the invention
The purpose of the present invention is to provide a kind of seedling growth monitoring soil moisture devices, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of seedling growth monitoring soil moisture device, including fixed plate, the fixed plate downside end are provided with tripod,
The monitoring soil moisture mechanism with efficiently accurate irrigation function is provided in the fixed plate.
As a further solution of the present invention: the monitoring soil moisture mechanism includes driving axis, the driving axis bottom end
It is provided with heading end, circular knife page, the sleeve that the driving axle sleeve is arranged in the middle part of fixed plate are provided on the driving axis
It is interior, it is provided with fixed bin at the top of the fixed plate, is fixedly installed the first cabin at the top of driving axis in the fixed bin, tunnels axis
Through the first cabin, tunnel in the first bearing for being sleeved on the setting of the first cabin bottom and top corresponding position at the top of axis, it is described
Be provided with driving axis driving mechanism in first cabin, be provided with elevating mechanism in fixed bin, first cabin by connecting rod with
Elevating mechanism connection, the fixed bin top are provided with monitoring computer, and the driving axis bottom is respectively arranged with filling up and down
Groove and detection groove are irrigate, soil moisture sensor is provided in the detection groove, soil moisture sensor and computer connect
It connects, is provided with spray head in the irrigation groove, the water supply mechanism connecting with spray head is provided in the fixed plate.
As further scheme of the invention: the water supply mechanism includes water storing bin, and the water storing bin is passed through by conduit
It wears driving axis to be connected to spray head, is provided with water pump on the conduit.
As further scheme of the invention: the driving axis driving mechanism includes driven pulley, the driven pulley
It is sleeved in the first cabin on driving axis, driving pulley is provided in first cabin and drives the rotation of driving pulley rotation
Motor is set with driving belt between the driving pulley and driven pulley.
As further scheme of the invention: the elevating mechanism includes vertical screw axis, right side in the fixed bin
Bottom is provided with the second cabin, and the vertical screw axis top and bottom end are set at the top of fixed bin and at the top of the second cabin
In the second bearing of setting, screw rod sliding block is set on the vertical screw axis, the screw rod sliding block is fixedly connected with connecting rod, institute
It states and is provided with vertical screw axis driving mechanism in the second cabin.
As further scheme of the invention: the vertical screw axis driving mechanism includes vertical bevel gear, described perpendicular
It is sleeved in the second cabin vertical screw axis bottom end to bevel gear, lateral bevel gear is provided in second cabin and driving is horizontal
The lifting motor rotated to bevel gear, the transverse direction bevel gear and vertical bevel gear engaged transmission.
As further scheme of the invention: being provided with support plate at the top of the fixed bin, be arranged in the support plate
There is solar panel, the support plate is supported at the top of fixed bin by fixed frame.
As further scheme of the invention: the elevating mechanism replaces with cylinder.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides a kind of seedling growth monitoring soil moisture device, and structure setting is ingenious and connection and reasonable arrangement, when work, Gu
Fixed board is fixedly supported on nursery stock side by tripod, and driving axis driven rotation carries out under the promotion of elevating mechanism high simultaneously
It imitates quick precession to detect soil after driving axis enters soil inside, since the bottom of driving axis is arranged in moisture transducer
Portion is detected in groove, and soil in tunneling process is avoided directly to squeeze moisture transducer, effective protection moisture transducer, separately
Outer soil enters in groove under disturbance, so that soil comes into full contact with moisture transducer, does not influence working sensor, by inspection
When being irrigated after survey, according to testing result, irrigates spray head in groove and accurate quantification water spray is carried out to soil, water is along pick
It is spread downwards into gap between axis and soil, realizes efficient precision irrigation, in addition the present invention is provided with solar panel, effectively
Utilize solar energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of seedling growth monitoring soil moisture device.
Fig. 2 is the structural schematic diagram in seedling growth monitoring soil moisture device in fixed bin.
Fig. 3 is the structural schematic diagram in seedling growth monitoring soil moisture device in the second cabin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: please referring to Fig. 1~3, in the embodiment of the present invention, a kind of seedling growth monitoring soil moisture device, and packet
Fixed plate 1 is included, 1 downside end of fixed plate is provided with tripod 18, and being provided in the fixed plate 1 has efficiently accurate fill
Irrigate the monitoring soil moisture mechanism of function.
The monitoring soil moisture mechanism includes driving axis 11, and 11 bottom end of driving axis is provided with heading end 16, described
It is provided with circular knife page 17 on driving axis 11, the driving axis 11 is sleeved in the sleeve 10 being arranged in the middle part of fixed plate 1, described solid
It is provided with fixed bin 2 at the top of fixed board 1, is fixedly installed the first cabin 20 at the top of driving axis 11 in the fixed bin 2, tunnels axis 11
Through the first cabin 20, the first bearing 27 that the setting of 20 bottom and top corresponding position of the first cabin is sleeved at the top of axis 11 is tunneled
On, it is provided with driving axis driving mechanism in first cabin 20, is provided with elevating mechanism, first cabin in fixed bin 2
20 are connect by connecting rod 22 with elevating mechanism, and monitoring computer 3,11 bottom of driving axis are provided at the top of the fixed bin 2
Portion is respectively arranged with up and down irrigates groove 12 and detection groove 14, is provided with soil moisture sensor in the detection groove 14
15, soil moisture sensor 15 is connect with computer 3, and spray head 13 is provided in the irrigation groove 12, is set in the fixed plate 1
It is equipped with the water supply mechanism connecting with spray head.
The water supply mechanism includes water storing bin 9, and the water storing bin 9 is connected to through driving axis 11 with spray head 13 by conduit 7,
Water pump 8 is provided on the conduit 7.
The driving axis driving mechanism includes driven pulley 31, and the driven pulley 31 is sleeved on driving in the first cabin 20
On axis 11, the rotating electric machine 29 that driving pulley 30 is provided in first cabin 20 and driving pulley 30 is driven to rotate is described
Driving belt 28 is set between driving pulley 30 and driven pulley 31.
The elevating mechanism includes vertical screw axis 21, and bottom right side is provided with the second cabin 25, institute in the fixed bin 2
It states vertical 21 top of screw axis and bottom end and is set in the second bearing 19 being arranged at the top of 2 top of fixed bin and the second cabin 25
On, screw rod sliding block 23 is set on the vertical screw axis 21, the screw rod sliding block 23 is fixedly connected with connecting rod 22, and described second
Vertical screw axis driving mechanism is provided in cabin 25.
The vertical screw axis driving mechanism includes vertical bevel gear 32, and the vertical bevel gear 32 is sleeved on the second cabin
21 bottom end of vertical screw axis in 25 is provided with lateral bevel gear 33 in second cabin 25 and lateral bevel gear 33 is driven to rotate
Lifting motor 34, the transverse direction bevel gear 33 and vertical 32 engaged transmission of bevel gear.
It is provided with support plate 4 at the top of the fixed bin 2, solar panel 5, the branch are provided in the support plate 4
Fagging 4 supports 2 top of fixed bin by fixed frame 6.
Embodiment 2: unique distinguishing feature between the present embodiment and embodiment 1: the elevating mechanism replaces with gas
Cylinder.
The working principle of the invention is: the present invention provides a kind of seedling growth monitoring soil moisture device, structure setting
Ingenious and connection and reasonable arrangement, when work, fixed plate is fixedly supported on nursery stock side by tripod, and driving axis driven rotation is simultaneously
Efficiently quick precession is carried out under the promotion of elevating mechanism to detect soil, after driving axis enters soil inside due to water
Sub-sensor is arranged in the floor detection groove of driving axis, and soil in tunneling process is avoided directly to squeeze to moisture transducer
Pressure, effective protection moisture transducer, in addition soil enters in groove under disturbance, so that soil sufficiently connects with moisture transducer
Touching, does not influence working sensor, and when being irrigated after tested, according to testing result, spray head is to soil in irrigation groove
Earth carries out accurate quantification water spray, and water is spread downwards along gap between driving axis and soil, realizes efficient precision irrigation, in addition originally
Invention is provided with solar panel, efficiently uses solar energy.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.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 (8)
1. a kind of seedling growth monitoring soil moisture device, including fixed plate, which is characterized in that the fixed plate downside end
It is provided with tripod, the monitoring soil moisture mechanism with efficiently accurate irrigation function is provided in the fixed plate.
2. seedling growth according to claim 1 monitoring soil moisture device, which is characterized in that the soil moisture prison
Surveying mechanism includes driving axis, and the driving axis bottom end is provided with heading end, is provided with circular knife page, the pick on the driving axis
In the sleeve being arranged in the middle part of fixed plate into axle sleeve, fixed bin, driving in the fixed bin are provided at the top of the fixed plate
The first cabin is fixedly installed at the top of axis, driving axis runs through the first cabin, is sleeved on the first cabin bottom and top at the top of driving axis
In the first bearing of portion's corresponding position setting, it is provided with driving axis driving mechanism in first cabin, is provided in fixed bin
Elevating mechanism, first cabin are connect by connecting rod with elevating mechanism, are provided with monitoring computer at the top of the fixed bin,
The driving axis bottom is respectively arranged with up and down irrigates groove and detection groove, and soil moisture biography is provided in the detection groove
Sensor, soil moisture sensor are connect with computer, are provided with spray head in the irrigation groove, be provided in the fixed plate with
The water supply mechanism of spray head connection.
3. seedling growth according to claim 2 monitoring soil moisture device, which is characterized in that the water supply mechanism packet
Water storing bin is included, the water storing bin is connected to through driving axis with spray head by conduit, is provided with water pump on the conduit.
4. seedling growth according to claim 2 monitoring soil moisture device, which is characterized in that the driving axis driving
Mechanism includes driven pulley, and the driven pulley is sleeved in the first cabin on driving axis, is provided with master in first cabin
The rotating electric machine of movable belt pulley and driving driving pulley rotation, is set with driving belt between the driving pulley and driven pulley.
5. seedling growth according to claim 2 monitoring soil moisture device, which is characterized in that the elevating mechanism packet
Vertical screw axis is included, bottom right side is provided with the second cabin, the vertical screw axis top and bottom end difference in the fixed bin
It is sleeved at the top of fixed bin and at the top of the second cabin in the second bearing of setting, it is sliding that screw rod is set on the vertical screw axis
Block, the screw rod sliding block are fixedly connected with connecting rod, and vertical screw axis driving mechanism is provided in second cabin.
6. seedling growth according to claim 5 monitoring soil moisture device, which is characterized in that the vertical screw axis
Driving mechanism includes vertical bevel gear, and the vertical bevel gear is sleeved in the second cabin vertical screw axis bottom end, and described second
It is provided with lateral bevel gear in cabin and drives the lifting motor of lateral bevel gear rotation, the transverse direction bevel gear and vertical cone tooth
Wheel engaged transmission.
7. seedling growth according to claim 2 monitoring soil moisture device, which is characterized in that at the top of the fixed bin
It is provided with support plate, solar panel is provided in the support plate, the support plate supports fixed silo roof by fixed frame
Portion.
8. seedling growth according to claim 2 monitoring soil moisture device, which is characterized in that the elevating mechanism replaces
It is changed to cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541054.3A CN109521184A (en) | 2018-12-17 | 2018-12-17 | A kind of seedling growth monitoring soil moisture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541054.3A CN109521184A (en) | 2018-12-17 | 2018-12-17 | A kind of seedling growth monitoring soil moisture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109521184A true CN109521184A (en) | 2019-03-26 |
Family
ID=65795801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811541054.3A Pending CN109521184A (en) | 2018-12-17 | 2018-12-17 | A kind of seedling growth monitoring soil moisture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109521184A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894105A (en) * | 2020-08-10 | 2020-11-06 | 马鞍山市新桥工业设计有限公司 | Sewage pipeline burying device for municipal engineering and implementation method thereof |
| CN112459701A (en) * | 2020-11-13 | 2021-03-09 | 李艳珍 | Be used for forestry soil moisture automated inspection equipment |
| CN114503902A (en) * | 2021-12-28 | 2022-05-17 | 北京林业大学 | Soil moisture real-time supervision early warning and moisturizing device and system towards thing networking |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202112123U (en) * | 2011-04-25 | 2012-01-18 | 王玉昌 | Hand-held water injector for soil of seedling root |
| CN203287374U (en) * | 2013-04-19 | 2013-11-13 | 嘉兴职业技术学院 | Soil humidity detection device |
| CN205809059U (en) * | 2016-06-05 | 2016-12-14 | 贵州中北斗科技有限公司 | A kind of soil humidity detector |
| CN205844324U (en) * | 2016-06-24 | 2016-12-28 | 山西省交通科学研究院 | A kind of with the soil moisture sensor boring ground function |
| CN207003516U (en) * | 2017-05-01 | 2018-02-13 | 六安市匠心信息科技有限公司 | A kind of excavating gear for building |
| CN207198152U (en) * | 2017-07-28 | 2018-04-06 | 张俊 | The mechanical device of nutrient in a kind of monitoring soil |
| CN108213067A (en) * | 2017-12-30 | 2018-06-29 | 郑州赫恩电子信息技术有限公司 | A kind of fixed-point type soil pollution processing unit |
| CN207816964U (en) * | 2017-12-23 | 2018-09-04 | 云南嘉缘花木绿色产业股份有限公司 | A kind of nursery stock root moisture content detection device |
| CN207816963U (en) * | 2017-12-15 | 2018-09-04 | 江西省青苹园林艺术有限公司 | A kind of garden soil environment monitoring device |
| CN207908498U (en) * | 2018-02-08 | 2018-09-25 | 浙江易承环境建设有限公司 | A kind of ambient soil pollution detection instrument |
| CN209624584U (en) * | 2018-12-17 | 2019-11-12 | 甘肃省农业科学院土壤肥料与节水农业研究所 | A kind of seedling growth monitoring soil moisture device |
-
2018
- 2018-12-17 CN CN201811541054.3A patent/CN109521184A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202112123U (en) * | 2011-04-25 | 2012-01-18 | 王玉昌 | Hand-held water injector for soil of seedling root |
| CN203287374U (en) * | 2013-04-19 | 2013-11-13 | 嘉兴职业技术学院 | Soil humidity detection device |
| CN205809059U (en) * | 2016-06-05 | 2016-12-14 | 贵州中北斗科技有限公司 | A kind of soil humidity detector |
| CN205844324U (en) * | 2016-06-24 | 2016-12-28 | 山西省交通科学研究院 | A kind of with the soil moisture sensor boring ground function |
| CN207003516U (en) * | 2017-05-01 | 2018-02-13 | 六安市匠心信息科技有限公司 | A kind of excavating gear for building |
| CN207198152U (en) * | 2017-07-28 | 2018-04-06 | 张俊 | The mechanical device of nutrient in a kind of monitoring soil |
| CN207816963U (en) * | 2017-12-15 | 2018-09-04 | 江西省青苹园林艺术有限公司 | A kind of garden soil environment monitoring device |
| CN207816964U (en) * | 2017-12-23 | 2018-09-04 | 云南嘉缘花木绿色产业股份有限公司 | A kind of nursery stock root moisture content detection device |
| CN108213067A (en) * | 2017-12-30 | 2018-06-29 | 郑州赫恩电子信息技术有限公司 | A kind of fixed-point type soil pollution processing unit |
| CN207908498U (en) * | 2018-02-08 | 2018-09-25 | 浙江易承环境建设有限公司 | A kind of ambient soil pollution detection instrument |
| CN209624584U (en) * | 2018-12-17 | 2019-11-12 | 甘肃省农业科学院土壤肥料与节水农业研究所 | A kind of seedling growth monitoring soil moisture device |
Non-Patent Citations (1)
| Title |
|---|
| 何明等: "《物联网与数字营区》", 国防工业出版社, pages: 147 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894105A (en) * | 2020-08-10 | 2020-11-06 | 马鞍山市新桥工业设计有限公司 | Sewage pipeline burying device for municipal engineering and implementation method thereof |
| CN112459701A (en) * | 2020-11-13 | 2021-03-09 | 李艳珍 | Be used for forestry soil moisture automated inspection equipment |
| CN112459701B (en) * | 2020-11-13 | 2023-08-29 | 李艳珍 | Be used for forestry soil humidity automated inspection equipment |
| CN114503902A (en) * | 2021-12-28 | 2022-05-17 | 北京林业大学 | Soil moisture real-time supervision early warning and moisturizing device and system towards thing networking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109521184A (en) | A kind of seedling growth monitoring soil moisture device | |
| CN105372092A (en) | Soil sampling vehicle with automatic soil collection and storage function | |
| CN206442881U (en) | One grows tobacco three-dimensional water planting frame | |
| CN206547527U (en) | A kind of forest intelligent maintaining system | |
| CN109496499A (en) | A kind of ornamental trees and shrubs seedling cultivation digging apparatus | |
| CN209624584U (en) | A kind of seedling growth monitoring soil moisture device | |
| CN206835656U (en) | A kind of efficient weeder in gardens | |
| CN206014282U (en) | A kind of tree mover trees handling apparatus | |
| CN106489363A (en) | A kind of afforestation equipment of digging pit | |
| CN203888908U (en) | Differential traveling gear of direct-connection hand tractor | |
| CN207135763U (en) | A kind of Multifucntional structure nursery stock irrigation device | |
| CN106900483A (en) | A kind of tree erecting device of municipal greening | |
| CN206226961U (en) | A kind of cultivation of fruit tree digging apparatus | |
| CN213662978U (en) | Cultivation frame for soilless culture that suitability is strong | |
| CN114946583A (en) | Hillside fields cultivation of fruit tree device of consolidating soil | |
| CN213306476U (en) | Forestry forest breeding device | |
| CN211064320U (en) | Agricultural cultivation plants with device of growing seedlings | |
| CN108064579A (en) | A kind of type clipping device easy to use for garden seedling tree | |
| CN209330806U (en) | A kind of hydraulic engineering water conservancy irrigation device | |
| CN207802997U (en) | A kind of nursery stock fixed support device | |
| CN207269324U (en) | A kind of seedling growth device of mechanization | |
| CN207219607U (en) | A kind of sapling righting structure | |
| CN206815305U (en) | A kind of water conservancy construction geological prospecting soil sample harvester | |
| CN207802901U (en) | A kind of leaf vegetables multidecker cultivating device | |
| CN113068588A (en) | Plant seedling planting reinforcing apparatus that sand and dust area used |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |