CN116918715A - Pig farm visual device based on internet - Google Patents
Pig farm visual device based on internet Download PDFInfo
- Publication number
- CN116918715A CN116918715A CN202310926143.4A CN202310926143A CN116918715A CN 116918715 A CN116918715 A CN 116918715A CN 202310926143 A CN202310926143 A CN 202310926143A CN 116918715 A CN116918715 A CN 116918715A
- Authority
- CN
- China
- Prior art keywords
- wall
- water
- baffle
- water pipe
- pig farm
- 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
- 230000000007 visual effect Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000036541 health Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 9
- 241000282887 Suidae Species 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 7
- 238000013507 mapping Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K7/00—Watering equipment for stock or game
- A01K7/02—Automatic devices ; Medication dispensers
- A01K7/04—Automatic devices ; Medication dispensers actuated by float
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K29/00—Other apparatus for animal husbandry
- A01K29/005—Monitoring or measuring activity, e.g. detecting heat or mating
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K7/00—Watering equipment for stock or game
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biophysics (AREA)
- Sewage (AREA)
Abstract
The invention relates to the technical field of pig farms and discloses an internet-based pig farm visual device, which comprises a wall, wherein an observation window is formed in one side of the wall, a window plate is connected inside the observation window in a sliding manner, a lifting unit is arranged on the inner side of the wall, the lifting unit comprises a pulley, and a connecting rope is wound on the top of the pulley; the water draining unit comprises a water pipe, one end of the water pipe penetrates through the wall and is in sealing connection with a water source, a first baffle is movably inserted into the top of the water pipe, which is located on the inner side of the wall, and a second baffle is movably inserted into the bottom of the water pipe, which is located on one side, away from the wall, of the first baffle. According to the invention, the lifting unit is driven when the observation window is opened, so that the lifting unit controls the water tank to lift, the first baffle plate and the second baffle plate are triggered, the water pipe is opened for water prevention, the operation is simple, the water discharging operation is completed during observation, the working efficiency is greatly improved, and the time is saved.
Description
Technical Field
The invention belongs to the technical field of pig farms, and particularly relates to a pig farm visual device based on the Internet.
Background
Along with the development of internet, pig raising becomes new demand through the internet, and the internet is raised pigs and is needed to solve some basic problems, such as the actual problem of raising pigs, and the delivery pipe is laid to every basin when raising pigs in pig farm to make the water source get into each basin through the delivery pipe, satisfy the drinking water demand of pig, and some old pig farms do not have the delivery pipe structure, and the fitment is laid again and is needed great cost, consequently only can take time alone to add water to every basin, more waste time, still like the visual problem through the internet.
Disclosure of Invention
The invention adopts the basic conception of the technical proposal:
the utility model provides a pig farm visual device based on internet, includes the wall, the observation window has been seted up to one side of wall, and the inside sliding connection of observation window has the window board, the wall inboard is provided with the elevating unit, the elevating unit includes the pulley, and the pulley top twines has the connecting rope;
the water draining unit comprises a water pipe, one end of the water pipe penetrates through the wall and is in sealing connection with a water source, a first baffle is movably inserted into the top of the water pipe, which is located on the inner side of the wall, and a second baffle is movably inserted into the bottom of the water pipe, which is located on one side, away from the wall, of the first baffle.
As a preferred embodiment of the invention, two ends of the pulley are rotatably connected with connecting blocks, one ends of the connecting blocks are arranged on one side of the wall, the top of one side of the window plate, which is close to the pulley, is provided with connecting plates, the cross section shape of each connecting plate is Z-shaped, the length of each connecting plate is larger than the height of the window plate, and one end of each connecting rope passes through between the two connecting blocks and is arranged at the bottom of each connecting plate.
As a preferred implementation mode of the invention, the other end of the connecting rope is provided with the fixed block, both ends of the fixed block are provided with the water tank, the other end of the water tank extends to the bottom of the water pipe and exceeds one end distance, the width of the water tank is larger than the distance between one end of the water pipe and the wall, the window board moves downwards and drives the connecting plate to move downwards, the connecting plate moves downwards to pull one end of the connecting rope to move downwards, the other end of the connecting rope is lifted by the connecting rope through the pulley, the fixed block is lifted, and the fixed block drives the water tank to lift.
As a preferred implementation mode of the invention, the top of the first baffle is provided with the rectangular frame, the inner wall of the rectangular frame is movably sleeved on the outer side of the water pipe, the bottom of the rectangular frame is positioned at the top of one side edge of the water tank, the bottom of the inner wall of the rectangular frame is provided with the spring, the top of the spring is arranged at the bottom of the water pipe, the spring is always in a compressed state, when the edge of the water tank props against the rectangular frame, the water tank continues to rise, and at the moment, the rectangular frame rises and drives the first baffle to rise, so that water flow in the water pipe can flow to the water tank, and when the water tank falls, the elastic force of the spring drives the rectangular frame to reset, so that the first baffle blocks the water pipe.
As a preferred implementation mode of the invention, sliding plates are arranged on two sides of the bottom of the water pipe, which are opposite to the second baffle, the cross section of each sliding plate is L-shaped, sliding grooves are formed on two sides of the second baffle, the second baffle is connected between the two sliding plates in a sliding way through the sliding grooves, a buoyancy block is arranged at the bottom of the second baffle and is positioned at the top of the water tank, the second baffle sinks under the action of the second baffle and the buoyancy block, so that water flow in the water pipe can flow to the water tank, the buoyancy block is immersed in the water rising process in the water tank and is subjected to buoyancy rising, and when the water tank is full, the buoyancy block is subjected to buoyancy to drive the second baffle and enable the second baffle to be inserted into the water pipe, so that the water pipe is plugged, and a large amount of water source waste caused by continuous water outlet is prevented.
As a preferred implementation mode of the invention, the bottom of the observation window is rotatably connected with a locking block, the top of the observation window is provided with a shock pad, the locking block is used for locking the window plate, and the shock pad effectively reduces damage of impact to the window plate.
As a preferred embodiment of the invention, the intelligent pig raising system further comprises a camera arranged on the wall, wherein the camera is electrically connected with a local host, the local host is electrically connected with a cloud server, the camera is used for collecting local pig raising image data and sending the local pig raising image data to the local host, the local host is used for uploading the pig raising image data to the cloud server, and the cloud server supports a user to access the pig raising image data through a tcp/ip protocol.
As a preferred implementation mode of the invention, a counting sensor is arranged in the buoyancy block, the counting sensor can sense the water supply data of the pig raising to a local host, the local host analyzes the health state of the target pig according to the water supply data of the pig raising, a mapping relation is established between the weighted summation parameters of the water supply times and the water supply change rate in a certain period and the health state of the target pig, and the health state of the target pig can be predicted through the mapping relation and the water supply times and the water supply change rate in a certain period in real time.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the lifting unit is driven when the observation window is opened, so that the lifting unit is controlled to lift the water tank, the first baffle plate and the second baffle plate are triggered, the water pipe is opened for discharging, the operation is simple, the water discharging operation is completed when the observation is performed, the working efficiency is greatly improved, the time is saved, the cost for paving the water supply pipe is saved, the pig raising condition can be observed remotely through the Internet, and the health state of a target pig can be predicted through sensing data.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view showing an open state structure of a viewing window according to the present invention;
FIG. 2 is a schematic view showing a closed state structure of the observation window according to the present invention;
FIG. 3 is a schematic view of the explosive structure of the water pipe of the present invention;
fig. 4 is a schematic view of the structure of the observation window of the present invention.
Fig. 5 is a composition diagram of the whole embodiment of the present invention.
In the figure: 1. a wall; 2. an observation window; 3. a window panel; 4. a connecting plate; 5. a connecting block; 6. a pulley; 7. a connecting rope; 8. a fixed block; 9. a water tank; 10. a water pipe; 11. a first baffle; 12. a rectangular frame; 13. a spring; 14. a second baffle; 15. a buoyancy block; 16. a slide plate; 17. a chute; 18. a locking piece; 19. a shock pad; 20. a camera; 21. a cloud server; 22. a local host.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 4, an internet-based pig farm visual device comprises a wall 1, wherein an observation window 2 is formed in one side of the wall 1, a window plate 3 is connected inside the observation window 2 in a sliding manner, a lifting unit is arranged on the inner side of the wall 1 and comprises a pulley 6, and a connecting rope 7 is wound on the top of the pulley 6;
the both sides of connecting rope 7 are provided with the unit that drains, and the unit that drains includes water pipe 10, and the one end of water pipe 10 runs through wall 1 and with water source sealing connection, and the water pipe 10 is located the inboard top activity grafting of wall 1 and has had first baffle 11, and the water pipe 10 is located the bottom activity grafting of the one side of first baffle 11 and is kept away from wall 1 has second baffle 14.
As shown in fig. 1 to 4, in a specific embodiment, two ends of the pulley 6 are rotatably connected with the connection block 5, one end of the connection block 5 is installed on one side of the wall 1, the connection plate 4 is installed at the top of the side of the window plate 3 close to the pulley 6, the section shape of the connection plate 4 is Z-shaped, the length of the connection plate 4 is greater than the height of the window plate 3, one end of the connection rope 7 is installed at the bottom of the connection plate 4 through between the two connection blocks 5, the other end of the connection rope 7 is provided with the fixing block 8, two ends of the fixing block 8 are provided with the water tank 9, the other end of the water tank 9 extends to the bottom of the water pipe 10 and exceeds one end distance, and the width of the water tank 9 is greater than the distance between one end of the water pipe 10 and the wall 1. In this setting, window board 3 moves down and drives connecting plate 4 to move down, and connecting plate 4 moves down and pulls connecting rope 7 one end down, and connecting rope 7 makes its other end rise through pulley 6 to make fixed block 8 rise, fixed block 8 drives basin 9 and rises.
As shown in fig. 1 to 4, further, the top of the first baffle 11 is provided with a rectangular frame 12, the inner wall of the rectangular frame 12 is movably sleeved on the outer side of the water pipe 10, the bottom of the rectangular frame 12 is located at the top of one side edge of the water tank 9, the bottom of the inner wall of the rectangular frame 12 is provided with a spring 13, the top of the spring 13 is installed at the bottom of the water pipe 10, and the spring 13 is always in a compressed state. In this setting, when basin 9 edge supports rectangular frame 12, basin 9 continues to rise, and rectangular frame 12 rises simultaneously and drives first baffle 11 and rise this moment to make the rivers in the water pipe 10 can flow to basin 9, when basin 9 whereabouts, the elasticity of spring 13 drives rectangular frame 12 and resets, thereby makes first baffle 11 plug water pipe 10.
As shown in fig. 1 to 4, further, two sides of the bottom of the water pipe 10 opposite to the second baffle 14 are provided with sliding plates 16, the cross section of the sliding plates 16 is L-shaped, two sides of the second baffle 14 are provided with sliding grooves 17, the second baffle 14 is slidably connected between the two sliding plates 16 through the sliding grooves 17, the bottom of the second baffle 14 is provided with a buoyancy block 15, and the buoyancy block 15 is positioned at the top of the water tank 9. In this setting, the second baffle 14 is sinking under the effect of self and buoyancy piece 15 to make the rivers in the water pipe 10 can flow to basin 9, the water in the basin 9 rises the process and soaks buoyancy piece 15 and make it receive buoyancy to rise, when the water in the basin 9 fills up, the buoyancy that buoyancy piece 15 received drives second baffle 14 and makes it insert water pipe 10, thereby carries out the shutoff to water pipe 10, prevents that it from continuing to go out the water and causing a large amount of water source extravagant.
As shown in fig. 1 to 4, further, a locking block 18 is rotatably connected to the bottom of the observation window 2, and a shock pad 19 is mounted on the top of the observation window 2. In this setting, the locking piece 18 is used for pinning the window board 3, and the shock pad 19 effectively reduces the damage of impact to the window board 3.
The implementation principle of the internet-based pig farm visual device of the embodiment is as follows: when observation is needed, the sliding window plate 3 is opened to open the observation window 2, the lock block 18 is rotated to enable the window plate 3 to be clamped, meanwhile, the window plate 3 moves downwards and drives the connecting plate 4 to move downwards, one end of the connecting rope 7 is pulled downwards by the connecting plate 4 to move downwards, the other end of the connecting rope 7 is lifted through the pulley 6, the fixing block 8 is lifted, the fixing block 8 drives the water tank 9 to lift, when the edge of the water tank 9 butts against the rectangular frame 12, the water tank 9 continues to lift, at the moment, the rectangular frame 12 lifts and simultaneously drives the first baffle 11 to lift, the second baffle 14 sinks under the action of the second baffle and the buoyancy block 15, so that water in the water tank 9 can flow to the water tank 9, the water lifting process in the water tank 9 is immersed in the buoyancy block 15 and enabled to lift by the buoyancy, when the water in the water tank 9 is full, the buoyancy block 15 drives the second baffle 14 and enables the water pipe 10 to be inserted into the water tank 10, a large amount of water source is prevented from being wasted, after the observation is finished, the rotating block 18 enables the water tank 9 to be enabled to be separated from the window plate 3 and the window plate 3 to be separated from the window plate 3 and the window plate 7 and the buoyancy block 15 to be lifted through the buoyancy block 7, at the moment, and the top of the water tank 3 is driven to be damaged by the spring plate 13, and the top is lowered, and the shock pad is reduced when the window plate 3 is connected to the window plate 3 is lifted, and the top is replaced by the spring plate 3 and the spring plate is driven to the spring plate 3 to the top is replaced.
Referring to fig. 5, the internet-based pig farm visual device further comprises a camera 20 arranged on the wall 1, the camera 20 is electrically connected with a local host 22, the local host 22 is electrically connected with a cloud server 21, the camera 20 is used for collecting local pig raising image data and transmitting the local pig raising image data to the local host 22, the local host 22 is used for uploading the pig raising image data to the cloud server 21, and the cloud server 21 supports a user to access the pig raising image data through tcp/ip protocols, so that the user can remotely observe the pig raising situation through the internet.
In a further implementation, a counting sensor is arranged in the buoyancy block 15, the counting sensor can sense the water supply data of the pig raising to the local host 22, the local host 22 analyzes the health state of the target pig according to the water supply data of the pig raising, the water supply data of the pig raising in implementation comprises a water supply frequency and a water supply change rate in a certain period, the health state of the general target pig has a positive correlation with the water supply frequency and the water supply change rate in the certain period, a mapping relation is established between the water supply frequency and the water supply change rate in the certain period and the health state of the target pig through a weighted summation parameter of the water supply frequency and the water supply change rate in the certain period in implementation, and the health state of the target pig can be predicted through the mapping relation and the water supply frequency and the water supply change rate in the certain period in real time.
Claims (8)
1. The utility model provides a pig farm visual device based on internet, includes wall (1), its characterized in that, observation window (2) has been seted up to one side of wall (1), and inside sliding connection of observation window (2) has window board (3), wall (1) inboard is provided with the elevating unit, the elevating unit includes pulley (6), and pulley (6) top winding has connecting rope (7);
the water drainage device is characterized in that water drainage units are arranged on two sides of the connecting rope (7), each water drainage unit comprises a water pipe (10), one end of each water pipe (10) penetrates through the wall (1) and is in sealing connection with a water source, a first baffle (11) is movably inserted into the top of the water pipe (10) located on the inner side of the wall (1), and a second baffle (14) is movably inserted into the bottom of the water pipe (10) located on one side, far away from the wall (1), of the first baffle (11).
2. The internet-based pig farm visual device according to claim 1, wherein the two ends of the pulley (6) are rotatably connected with the connecting blocks (5), one end of each connecting block (5) is installed on one side of the wall (1), the top of one side of the window plate (3) close to the pulley (6) is provided with the connecting plate (4), the cross section shape of the connecting plate (4) is Z-shaped, the length of the connecting plate (4) is larger than the height of the window plate (3), and one end of each connecting rope (7) is installed at the bottom of the connecting plate (4) through between the two connecting blocks (5).
3. An internet-based pig farm visual arrangement according to claim 2, wherein the other end of the connecting rope (7) is provided with a fixing block (8), and both ends of the fixing block (8) are provided with a water tank (9), the other end of the water tank (9) extends to the bottom of the water pipe (10) and exceeds one end by a distance, and the width of the water tank (9) is larger than the distance between one end of the water pipe (10) and the wall (1).
4. The internet-based pig farm visual device according to claim 1, wherein the rectangular frame (12) is installed at the top of the first baffle plate (11), the inner wall of the rectangular frame (12) is movably sleeved on the outer side of the water pipe (10), the bottom of the rectangular frame (12) is located at the top of one side edge of the water tank (9), the spring (13) is installed at the bottom of the inner wall of the rectangular frame (12), the top of the spring (13) is installed at the bottom of the water pipe (10), and the spring (13) is always in a compressed state.
5. The internet-based pig farm visual device according to claim 1, wherein sliding plates (16) are installed on two sides of the bottom of the position, opposite to the second baffle (14), of the water pipe (10), the sliding plates (16) are in an L shape in cross section, sliding grooves (17) are formed in two sides of the second baffle (14), the second baffle (14) is slidably connected between the two sliding plates (16) through the sliding grooves (17), a buoyancy block (15) is installed on the bottom of the second baffle (14), and the buoyancy block (15) is located at the top of the water tank (9).
6. An internet-based pig farm visual arrangement according to claim 1, wherein the bottom of the viewing window (2) is rotatably connected with a locking piece (18), and the top of the viewing window (2) is provided with a shock pad (19).
7. The internet-based pig farm visual arrangement according to claim 5, further comprising a camera (20) arranged on the wall (1), the camera (20) being electrically connected to a local host (22), the local host (22) being electrically connected to a cloud server (21), the camera (20) being adapted to collect local pig farm image data and to send it to the local host (22), the local host (22) being adapted to upload the pig farm image data to the cloud server (21), the cloud server (21) supporting a user to access the pig farm image data via tcp/ip protocol.
8. The internet-based pig farm visual device according to claim 7, wherein a counting sensor is arranged in the buoyancy block (15), the counting sensor can sense water supply data of pigs to the local host (22), the local host (22) analyzes health states of target pigs according to the water supply data of the pigs, a mapping relation is established between weighted summation parameters of water supply times and water supply change rates in a certain period and the health states of the target pigs, and the health states of the target pigs can be predicted through the mapping relation and the water supply times and the water supply change rates in a certain period in real time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310926143.4A CN116918715A (en) | 2023-07-26 | 2023-07-26 | Pig farm visual device based on internet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310926143.4A CN116918715A (en) | 2023-07-26 | 2023-07-26 | Pig farm visual device based on internet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN116918715A true CN116918715A (en) | 2023-10-24 |
Family
ID=88393935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310926143.4A Pending CN116918715A (en) | 2023-07-26 | 2023-07-26 | Pig farm visual device based on internet |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116918715A (en) |
-
2023
- 2023-07-26 CN CN202310926143.4A patent/CN116918715A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215165326U (en) | Novel hydraulic engineering is with automatic gate of opening and close | |
CN213774154U (en) | Automatic drainage device of intelligent building | |
CN116918715A (en) | Pig farm visual device based on internet | |
CN103960108B (en) | A kind of energy-conservation automatic irrigation device | |
CN116750842B (en) | Self-cleaning waste liquid treatment device | |
CN210154942U (en) | Pressure control device for pressure test of water supply pipeline for supervision | |
CN205038530U (en) | Automatic emission control case of sewage | |
CN112196072A (en) | Well lid device capable of automatically dredging sewer | |
CN218323054U (en) | Storage shield equipment capable of realizing automatic pipeline flushing function | |
CN112354234B (en) | Filtration equipment for sewage treatment | |
CN214302066U (en) | Underground garage flood gate drainage device | |
CN114405941B (en) | Water conservancy pipeline clearance system | |
CN208309782U (en) | A kind of sewer pipe automatic flushing device | |
CN203851571U (en) | Novel energy-saving automatic irrigating device | |
CN219292211U (en) | Automatic cleaning device for liquid level sensor in cable tunnel | |
CN210835741U (en) | Wetland water level control device based on thing networking | |
KR101116814B1 (en) | Drainage control system of agriculture water | |
CN216379425U (en) | Gate for water conservancy channel | |
CN214939919U (en) | Sluice rubbish intercepting device | |
CN212772762U (en) | Intelligent lifting pump station | |
JP7385197B2 (en) | Water intake device | |
CN217710597U (en) | Remote transmission vertical lifting type flow gate all-in-one machine | |
DE4416038A1 (en) | Rainwater utilisation device for indoor domestic applications | |
CN221255525U (en) | Cable basement sump water level display and drainage system | |
CN115305900B (en) | Self-drainage device based on underground water pressure |
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 |