CN107724431A - The well lid and battery well of a kind of battery well - Google Patents
The well lid and battery well of a kind of battery well Download PDFInfo
- Publication number
- CN107724431A CN107724431A CN201710939753.2A CN201710939753A CN107724431A CN 107724431 A CN107724431 A CN 107724431A CN 201710939753 A CN201710939753 A CN 201710939753A CN 107724431 A CN107724431 A CN 107724431A
- Authority
- CN
- China
- Prior art keywords
- well
- battery
- well lid
- ground
- lid
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1436—Covers for manholes or the like; Frames for covers with overflow or explosion control means, e.g. check or relief valves
Abstract
The invention discloses a kind of well lid of battery well, the well lid is used for long oil and gas pipeline monitoring valve chamber battery well, and the well lid is conical structure, and the cone bottom diameter of the conical structure is more than the opening diameter of battery well well body.The invention also discloses a kind of battery well.Beneficial effects of the present invention：The excessive phenomenon for causing battery leakage water of rainwater can be prevented, can ensure that battery can ensure valve chamber and the reliability of control centre's data transfer persistently to power supply for electrical equipment.
Description
Technical field
The present invention relates to pipe-line system technical field, in particular to the well lid and battery well of a kind of battery well.
Background technology
For the battery well of the monitoring valve chamber in long oil and gas pipeline engineering, rectangle is used in continuous rainy region
Structure battery well lid, rainfall, which crosses conference, causes rainwater to enter from well lid side leakage current in battery well so that battery is intake, nothing
Method is powered to relevant device, and local communication interrupts, and causes RTU can not be with control system normal communication of standing, regulating and controlling center can not be to prison
Monitored depending on valve chamber state, have a strong impact on that yard is steady, continuous service.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of well lid of battery well and battery well, even
Under continuous heavy rain weather conditions, battery ensures that battery can continue power supply to the device from water logging.
The invention provides a kind of well lid of battery well, the well lid is used for long oil and gas pipeline monitoring valve chamber battery
Well, the well lid are conical structure, and the cone bottom diameter of the conical structure is more than the opening diameter of battery well well body.
Improved as of the invention further, the well lid use stainless steel, ensures under the washing away for a long time of rainwater
Good antiseptic property is remained to.
Improved as of the invention further, the well lid is 316 stainless steels, thickness 500mm.
Improved as of the invention further, the peak of the well lid is 500mm away from ground level, and cone bottom diameter is
1850mm, the fan-shaped top clip angle after cone expansion is 316 °, a length of 778mm of fan-shaped arc, and the taper gross area is 3.03 after expansion
Square metre.
Present invention also offers a kind of battery well, the battery well is used for long oil and gas pipeline monitoring valve chamber, described
Battery well includes：Well lid as described in any one in claim 1-4, the well body for placing battery and for discharging
The pre-buried blast pipe of gas in the well body, the well lid are located at more than ground, and the well lid and the well body opening are close
Envelope connection；
The receiving space that the well body includes substrate, basis and the substrate and the basis is formed, the substrate position
In in the foundation ditch of below ground, the basis is on the substrate, and the foundation bottom is connected with the base top,
The basis top is tightly connected on ground and with the well lid；
Wherein, described pre-buried blast pipe one end is through the basic top and more than ground, the pre-buried blast pipe
The other end is located at outside the well body and more than ground.
Improved as of the invention further, the pre-buried blast pipe includes the outlet section that head and the tail are sequentially connected, first perpendicular
Straight section, first horizontal segment, the second vertical section and the second horizontal segment；
The outlet section is located at outside the well lid and goes out mouth down；
First vertical section extends vertically into below ground, and the part for exposing to ground is fixed on monitoring valve chamber by pipe clamp
External wall on；
The first horizontal segment is placed horizontally at below ground；
Second vertical section extends perpendicularly out more than ground；
Second horizontal segment is horizontal through the basic top and inside the well lid, second horizontal segment
Entrance is towards inside the well lid.
As further improvement of the invention, the basic bottom sets the bed course of crushed stone with asphalt grouting.
As further improvement of the invention, the fundamental external is fixedly connected with some cat ladders.
As further improvement of the invention, a pre-buried coating steel pipe at the nearly bottom in basis.
As further improvement of the invention, the pre-buried blast pipe is coating steel pipe.
Beneficial effects of the present invention are：
1st, the design of conical well lid can avoid entering the influence of battery well because rainwater is excessive；
2nd, pre-buried blast pipe can exclude in order to hydrogen, avoid exploding；
3rd, battery well is not influenceed by rainwater, sustainable power supply to the device.
Brief description of the drawings
Fig. 1 is a kind of well lid plan of battery well described in the embodiment of the present invention；
Fig. 2 Fig. 1 expanded view；
Fig. 3 is a kind of structural representation of battery well described in the embodiment of the present invention.
In figure,
1st, well lid；2nd, substrate；3rd, it is basic；4-1, outlet section；4-2, the first vertical section；4-3, first horizontal segment；4-4；The
Two vertical sections；4-5；Second horizontal segment；5th, external wall；6th, bed course；7th, cat ladder.
Embodiment
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment 1, a kind of well lid of battery well of the embodiment of the present invention, well lid 1 are used for long oil and gas pipeline monitoring valve
Room battery well, well lid 1 are conical structure, and the cone bottom diameter of conical structure is more than the opening diameter of battery well well body.
As illustrated in fig. 1 and 2, well lid specific practice and size are as follows：
Well lid 1 uses stainless steel, avoids corroding, and influences to use；Preferred embodiment, using 316 stainless steels.
The thickness of well lid 1 is 500mm.
The peak of well lid 1 is 500mm away from ground level.
Cone bottom diameter is 1850mm.
By Structure Calculation, the fan-shaped top clip angle after cone expansion is 316 °, a length of 778mm of fan-shaped arc, is bored after expansion
The shape gross area is 3.03 square metres.
It should be noted that the specific size of well lid 1 is also not necessarily limited to above-mentioned, can be designed according to demand.
But it should be noted that well lid 1 must use cone, the design of this structure avoids rainwater from entering electric power storage from well lid side leakage current
In Chi Jing, ensure that battery can continue power supply to the device.
Embodiment 2, a kind of battery well described in the embodiment of the present invention, battery well are used for long oil and gas pipeline monitoring valve
Room.Specifically, as shown in figure 3, battery well includes：Well lid 1, the well body for placing battery and for gas in drainage well body
The pre-buried blast pipe of body, well lid 1 are located at more than ground, and well lid 1 is tightly connected with well body opening.
The receiving space that well body includes substrate 2, basis 3 and substrate 2 and basis 3 is formed, substrate 2 locate below ground level
Foundation ditch in, basis 3 is on the substrate 2, and basic 3 bottoms are connected with the top of substrate 2, are located at the top of basis 3 on ground
And it is tightly connected with well lid 1.
Wherein, pre-buried blast pipe one end runs through basic 3 tops and more than ground, and the pre-buried blast pipe other end is located at well
Outside body and more than ground.
As preferred embodiment, well lid 1 uses conical structure as described in Example 1, avoids because rainwater is excessive
And enter the influence of battery well.
As preferred embodiment, well lid 1 uses waterproof mortar jointing with basic 3 contact portions, realizes and is tightly connected,
Rainwater is avoided to enter.
Because battery well forms confined space, in order to avoid the hydrogen aggregation that battery separates out, battery well answers pre-buried row
Tracheae, the discharge for hydrogen.As preferable mode, pre-buried blast pipe include head and the tail be sequentially connected outlet section 4-1, first
Vertical section 4-2, first horizontal segment 4-3, the second vertical section 4-4 and the second horizontal segment 4-5.Outlet section 4-1 be located at the outside of well lid 1 and
Go out mouth down.First vertical section 4-2 extends vertically into below ground, and the part for exposing to ground is fixed on monitoring valve chamber by pipe clamp
External wall 5 on.First horizontal segment 4-3 is placed horizontally at below ground.Second vertical section 4-4 is extended perpendicularly out more than ground.The
Two horizontal segment 4-5 are horizontal through basic 3 tops and inside well lid 1, and the second horizontal segment 4-5 entrance is towards inside well lid 1.
It is more highly preferred to, pre-buried blast pipe uses DN20 coating steel pipes, each to monitor valve chamber 20m.Pre-buried blast pipe should not be in battery
Well is nearby arbitrarily set, and should be led at the external wall 5 of monitoring valve chamber, explosion-risk area is overseas, and need to be away from ground process equipment
7.5m in addition, and it is fixed.It should be noted that outlet section 4-1 exit openings are down, be in order to avoid rainwater pass through it is pre-buried
Blast pipe enters inside battery well, causes battery to intake, and influences equipment power supply.The design of segmented can be in order to blast pipe
It is pre-buried, while also different section lengths can be adjusted according to demand, but it should be recognized that no matter whether be segmented,
The exit opening of blast pipe must avoid rainwater from entering down.
As preferred embodiment, in order to ensure the anti-corrosive properties of pre-buried blast pipe, it is necessary to pre-buried preceding outside blast pipe
Surface applies anticorrosive coat, if for example, anticorrosive coat can be some layers of epoxy zinc rich primer and dried layer silver gray acrylic polyurethane
Finish paint.
As preferred embodiment, substrate 2 is positioned over the soil layer in foundation ditch, and the above section of substrate 2 uses in foundation ditch
Element native compaction in layers backfill, and plain soil is backfilled simultaneously in the opposite sides and surrounding of two substrates 2, lift height is not more than 300,
Compacting factor cannot be less than 0.94.Plain soil is that without adulterating, other impurities, density are fine and smooth uniformly, there have to be certain in crude sedimentation soil layer
The soil of viscosity, after plain earthen backfill, make the surrounding of substrate 2 more consolidation.
As preferred embodiment, substrate 2 can also seat on back fill course, but need to backbreak to old soil layer, meanwhile, adopt
With the surrounding of graded sand and stone back-filling in layers compacting substrate 2 to substrate absolute altitude.It should be noted that backfill thickness is not more than 300mm,
Compacting factor is not less than 0.96, so just can guarantee that the consolidation of substrate 2 consolidates.
As preferred embodiment, a pre-buried coating steel pipe at basic 3 nearly bottoms.It is primarily due to coating steel pipe
Anti-interference and electrical connectivity, prevent other strong magnetic strength electric signal interference weak electric signals.As preferred embodiment, it is
If if ensure the anti-corrosive properties of coating steel pipe, it is necessary to pre-buried preceding in coating steel pipe surface brush dried layer epoxy zinc rich primer and dried layer
Silver gray acrylic polyurethane finish paint, such as each derusting grade brushed two layers, Sa2.5 can be reached.
As preferred embodiment, basis 3 is used using concrete C40 cast, basis 3 using HRB400 levels reinforcing bar, steel
Tendon protective layer thickness is 50mm, the snap-in force between increase and concrete.
As preferred embodiment, the bottom on basis 3 sets the bed course 6 of crushed stone with asphalt grouting, and the thickness of bed course 6 is 200mm,
Go out plain concrete cushion layer 200mm per hem width.This is done to be further ensured that the firm of basic 3 bottoms.
As preferred embodiment, basis 3 directly contacts surface brush ring oxygen bituminous coating with soil, and thickness can be according to need
Ask and selected.During thickness >=1mm, anti-deep-etching；During thickness >=500 μm, anti-moderate corrosion；During thickness >=300 μm, resist weak corruption
Erosion.
As preferred embodiment, 100mm is basseted under part and terrace so that 20mm is thick, cement and sand in basis 3
Volume ratio be 1:2.5 cement mortar cover, and the brush silver gray coating on cover.The attractive in appearance of outward appearance can so be ensured,
Also the burr on basic 3 surfaces can be removed.
As preferred embodiment, basic 3 external stabilities connect some cat ladders 7, are easy to enter the equipment inside well body
Row checks maintenance.
The construction method of the battery well of the present invention is as follows：
Step S1, anchoring base 2 in the foundation ditch below well body internal ground.
Step S2, basis 3 is placed in substrate 2, and makes the top of basis 3 on ground, basic 3 bottoms and substrate 2
Top is connected.
Step S3, in the inside and outside pre-buried blast pipe of well body, after pre-buried blast pipe one end is run through into basic 3 tops, make
The port for obtaining pre-buried blast pipe one end is located inside well body and more than ground, and the pre-buried blast pipe other end is led into well body
It is outside so that the port of the pre-buried blast pipe other end is located at more than ground and vertically downward.
Step S4, accumulator equipment is installed in the receiving space that substrate 2 and basis 3 are formed.
Step S5, the good conical well lid 1 of pre-production is placed on well body opening so that well lid 1 and the top of basis 3
Contact connection.
Should be noted it must is that during pre-production well lid 1, well lid 1 is made as to the stainless steel structure of cone, and cone
Cone bottom diameter be more than well body opening diameter.
Step S6, handled in well lid 1 and basic 3 top contact parts using waterproof mortar jointing so that well lid 1 and well body
Opening is tightly connected.
After monitoring valve chamber battery well lid using cone, the excessive phenomenon for causing battery leakage water of rainwater can be prevented,
It can ensure that battery can ensure valve chamber and the reliability of control centre's data transfer, make pipe persistently to power supply for electrical equipment
Road construction more they tend to standardization, modularization, hommization, reduce working procedure and material, facilitate operation maintenance, reduce equipment investment
And operating expenses.
The present invention is applied to all monitoring valve chamber battery well ways.For long-distance transport pipes engineering, oil-gas field surface engineering,
The ground connection of the field instrument equipment of oil depot engineering has huge application space and good economic benefit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of well lid of battery well, it is characterised in that the well lid (1) is used for long oil and gas pipeline monitoring valve chamber battery
Well, the well lid (1) are conical structure, and the cone bottom diameter of the conical structure is straight more than the opening of battery well well body
Footpath.
2. well lid according to claim 1, it is characterised in that the well lid (1) uses stainless steel.
3. well lid according to claim 2, it is characterised in that the well lid (1) is 316 stainless steels, thickness 500mm.
4. well lid according to claim 1, it is characterised in that the peak of the well lid (1) is away from ground level
500mm, cone bottom diameter 1850mm, the fan-shaped top clip angle after cone expansion are 316 °, a length of 778mm of fan-shaped arc, after expansion
The taper gross area is 3.03 square metres.
5. a kind of battery well, it is characterised in that the battery well is used for long oil and gas pipeline monitoring valve chamber, the battery
Well includes：Well lid (1) as described in any one in claim 1-4, the well body for placing battery and for discharging
The pre-buried blast pipe of gas in well body is stated, the well lid (1) is located at more than ground, and the well lid (1) and the well body opening
Place is tightly connected；
The well body includes substrate (2), basic (3) and the substrate (2) and the receiving space of basic (3) formation, institute
State in the foundation ditch that substrate (2) locates below ground level, the basis (3) is located on the substrate (2), and described basic (3) bottom
Portion is tightly connected with being connected at the top of the substrate (2) at the top of the basis (3) on ground and with the well lid (1)；
Wherein, through basic (3) top and more than ground, the pre-buried blast pipe is another for described pre-buried blast pipe one end
One end is located at outside the well body and more than ground.
6. battery well according to claim 5, it is characterised in that the pre-buried blast pipe includes what head and the tail were sequentially connected
Outlet section (4-1), the first vertical section (4-2), first horizontal segment (4-3), the second vertical section (4-4) and the second horizontal segment (4-5)；
The outlet section (4-1) is located at the well lid (1) outside and goes out mouth down；
First vertical section (4-2) extends vertically into below ground, and the part for exposing to ground is fixed on monitoring valve by pipe clamp
On the external wall (5) of room；
The first horizontal segment (4-3) is placed horizontally at below ground；
Second vertical section (4-4) extends perpendicularly out more than ground；
Second horizontal segment (4-5) is horizontal through basic (3) top and internal positioned at the well lid (1), and described second
The entrance of horizontal segment (4-5) is internal towards the well lid (1).
7. battery well according to claim 5, it is characterised in that the bottom of the basis (3) sets crushed stone with asphalt grouting
Bed course (6).
8. battery well according to claim 5, it is characterised in that described basis (3) external stability connects some cat ladders
(7)。
9. battery well according to claim 5, it is characterised in that at described nearly bottom of basis (3) pre-buried one it is zinc-plated
Steel pipe.
10. battery well according to claim 5, it is characterised in that the pre-buried blast pipe is coating steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939753.2A CN107724431B (en) | 2017-09-30 | 2017-09-30 | A kind of battery well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939753.2A CN107724431B (en) | 2017-09-30 | 2017-09-30 | A kind of battery well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107724431A true CN107724431A (en) | 2018-02-23 |
| CN107724431B CN107724431B (en) | 2019-05-28 |
Family
ID=61210191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710939753.2A Active CN107724431B (en) | 2017-09-30 | 2017-09-30 | A kind of battery well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107724431B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813718Y (en) * | 2005-07-29 | 2006-09-06 | 钟卫华 | Strength waterproof manhole cover |
| CN103186971A (en) * | 2011-12-30 | 2013-07-03 | 中国石油天然气股份有限公司 | Security and protection system for hand-operated valve chamber of long-distance pipeline |
| KR101344078B1 (en) * | 2012-09-03 | 2013-12-24 | 주식회사 해밀라이트 | A mosquito repelling lamp for manhole |
| CN203980114U (en) * | 2014-07-01 | 2014-12-03 | 杭州瑞利科技有限公司 | From the complementary road illumination device of net type high efficiency wind and solar |
-
2017
- 2017-09-30 CN CN201710939753.2A patent/CN107724431B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813718Y (en) * | 2005-07-29 | 2006-09-06 | 钟卫华 | Strength waterproof manhole cover |
| CN103186971A (en) * | 2011-12-30 | 2013-07-03 | 中国石油天然气股份有限公司 | Security and protection system for hand-operated valve chamber of long-distance pipeline |
| KR101344078B1 (en) * | 2012-09-03 | 2013-12-24 | 주식회사 해밀라이트 | A mosquito repelling lamp for manhole |
| CN203980114U (en) * | 2014-07-01 | 2014-12-03 | 杭州瑞利科技有限公司 | From the complementary road illumination device of net type high efficiency wind and solar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107724431B (en) | 2019-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107938692B (en) | Drainage and recharging construction method and structure | |
| CN103343544B (en) | Construction method for large-scale open caisson | |
| CN107034877B (en) | Combine post jacking device and its construction method in pile end stake side | |
| CN108457285B (en) | Ultra-deep pit-in-pit open type dewatering construction method | |
| CN103669374A (en) | Combined supporting construction method of steel sheet pile used in silt soil slope | |
| CN104141314B (en) | The method of complete seepage proof curtain is formed in rock, native two media | |
| CN101936032A (en) | Method for mounting and constructing polyethylene double-wall corrugated water discharge pipe | |
| CN113174958A (en) | Construction method for foundation pit of adjacent road under poor ground condition | |
| CN111119931B (en) | Deformation control construction method for shallow-buried and underground-excavated foundation of pebble stratum power tunnel | |
| CN114263211A (en) | Retaining wall and construction method thereof | |
| CN102995651B (en) | Gravity-type onshore/offshore wind turbine foundation with anchor rod | |
| CN202969409U (en) | Anchor rod gravity type onshore/offshore wind turbine foundation | |
| CN107724431B (en) | A kind of battery well | |
| CN204475369U (en) | One passes through the anti-settling jacking pipe structure of shallow earthing anti-floating | |
| CN107761761B (en) | A kind of battery well and its construction method | |
| CN207828994U (en) | It is a kind of draining and recharge constructing structure | |
| CN107761769B (en) | A kind of construction method of battery well | |
| CN108239996A (en) | A kind of rain sewage of combination pipe gallery construction enters corridor structure | |
| CN205421303U (en) | High water level silt ground water treatment facilities falls | |
| CN113174993A (en) | Waterproof drainage structure for base plane of power transmission line iron tower and construction method of waterproof drainage structure | |
| CN208293612U (en) | A kind of cable pipe gallery of combination rain bilge tank | |
| CN211228698U (en) | Water collecting device for high and steep mountainous area | |
| CN108951318B (en) | Drainage structure between low-level structure section lines of magnetic levitation track traffic | |
| CN112392027A (en) | Complex stratum comprehensive grouting method | |
| CN206815181U (en) | A kind of drainage arrangement of steel box-girder overpass |
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 | ||
| CB02 | Change of applicant information |
Address after: 100007 No. 9 Dongzhimen North Street, Beijing Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: China Petroleum Pipeline Engineering Co.,Ltd. Applicant after: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100120 Xicheng District six paw Kang in Beijing City Applicant before: China National Petroleum Corp. Applicant before: China Petroleum Pipeline Engineering Co.,Ltd. Applicant before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190423 Address after: 100007 No. 9 Dongzhimen North Street, Beijing Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: China Petroleum Pipeline Engineering Co.,Ltd. Applicant after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: No. 9 Dongzhimen North Street, Beijing Applicant before: CHINA NATIONAL PETROLEUM Corp. Applicant before: China Petroleum Pipeline Engineering Co.,Ltd. Applicant before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |