CN209655053U - Natural gas line anticorrosion monitoring device - Google Patents
Natural gas line anticorrosion monitoring device Download PDFInfo
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- CN209655053U CN209655053U CN201920127008.2U CN201920127008U CN209655053U CN 209655053 U CN209655053 U CN 209655053U CN 201920127008 U CN201920127008 U CN 201920127008U CN 209655053 U CN209655053 U CN 209655053U
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Abstract
The utility model relates to a kind of natural gas line anticorrosion monitoring devices, including pedestal, automatic lifting bar, object disposing platform, power supply, pipeline corrosion protection monitor, the first semicircular ring, the second semicircular ring, pulley, screw rod, rotating handle, metal detection stick, insulated fixing rod, conducting wire；It further include fixed link and second sleeve, the fixed link is set as thread segment and round rod segment, vertical bar is vertically and fixedly provided on the object disposing platform, the vertical bar is equipped with the first screw hole, the thread segment and the first screw hole are threadedly coupled and pass through the first screw hole, the round rod segment is embedded in second sleeve, the second sleeve is located on the first semicircle ring outer surface, the fixed link is embedded in second sleeve, the side wall of the second sleeve is equipped with the second screw hole and threaded rod, and the threaded rod and the second screw hole are threadedly coupled and pass through the first screw hole and fixed link contradicts.The utility model, which has, facilitates operator to carry, and reduces the effect of operator's working strength.
Description
Technical field
The utility model relates to pipeline corrosion protection monitoring devices, more particularly, to a kind of natural gas line anticorrosion monitoring device.
Background technique
Corrosive pipeline can be understood as a kind of chemical reaction that material occurs in the environment locating for it, which will cause
The loss of pipeline material simultaneously leads to the even entire pipeline system failure of line member.
Notification number is that the Chinese patent of CN206723850U discloses a kind of corrosive pipeline detection device, including pedestal, from
Dynamic elevating lever, object disposing platform, power supply, pipeline corrosion protection monitor, the first semicircular ring, the second semicircular ring, the first lock, the second lock
Button, pulley, screw rod, rotating handle, metal detection stick, insulated fixing rod, conducting wire；Table on automatic lifting bar lower end and pedestal
Face is fixedly connected, and automatic lifting bar upper end is fixedly connected with object disposing platform lower surface, the power supply and pipeline corrosion protection monitoring
Instrument is fixed on object disposing platform, and the power supply is connect with pipeline corrosion protection monitor；The one end of first semicircular ring close to ground
One end hinge with the second semicircular ring close to ground connects, and first semicircular ring one end and the first lock far from ground connect
It connects, second semicircular ring one end and the second lock connection far from ground；Described conducting wire one end and pipeline corrosion protection monitor connect
It connects, the conducting wire other end is connect with metal detection stick, and described insulated fixing rod one end is connect with metal detection stick, the insulation
The fixed link other end and the connection of the first semicircular ring inner wall；First semicircular ring and the second semicircular ring outer wall be equipped with several
Three screw holes and several screw rods, one end of the screw rod pass through screw hole and connect with the connecting pin of skidding, the other end and rotation hand
Handle connection.
Although the technical effect of multi-faceted monitoring may be implemented in above-mentioned corrosive pipeline detection device, but work as and need measurement pipe
Road the next position, when needing mobile base, pedestal cannot move together with the first semicircular ring and the second semicircular ring, it has not been convenient to grasp
It is mobile to make personnel, increases the working strength of operator.
Utility model content
The purpose of the utility model is to provide a kind of natural gas line anticorrosion monitoring device, have when pedestal is mobile, the
One semicircular ring and the second semicircular ring are moved together with pedestal, are facilitated operator mobile, are reduced operator's working strength
Effect.
Above-mentioned purpose of utility model has the technical scheme that a kind of natural gas line anti-corrosion monitoring dress
It sets, including pedestal, automatic lifting bar, object disposing platform, power supply, pipeline corrosion protection monitor, the first semicircular ring, the second semicircular ring, cunning
Wheel, screw rod, rotating handle, metal detection stick, insulated fixing rod, conducting wire；Automatic lifting bar lower end is fixedly connected with pedestal,
Automatic lifting bar upper end is fixedly connected with object disposing platform, and the power supply and pipeline corrosion protection monitor are fixed on object disposing platform
On, the power supply is connect with pipeline corrosion protection monitor；One end of first semicircular ring and one end of the second semicircular ring are hinged, institute
The other end of the other end and the second semicircular ring of stating the first semicircular ring passes through lock connection；Described conducting wire one end and pipeline corrosion protection prison
Instrument connection is surveyed, the other end connect with metal detection stick, and described insulated fixing rod one end is connect with metal detection stick, the other end and the
The connection of half circle ring inner wall；First semicircular ring and the second semicircular ring outer wall be equipped with several third screw holes and with third spiral shell
The screw rod that hole is threadedly coupled, one end of the screw rod pass through third screw hole and connect with pulley, and the other end is connected with rotating handle；
It further include fixed link and second sleeve, the fixed link is set as thread segment and round rod segment, is vertically and fixedly provided on the object disposing platform
Support rod, the support rod are equipped with the first screw hole, and the thread segment and the first screw hole are threadedly coupled and pass through the first screw hole, institute
It states second sleeve to be located on the first semicircle ring outer surface, the round rod segment is embedded in second sleeve, and the side wall of the second sleeve is set
There are the second screw hole and threaded rod, the threaded rod and the second screw hole are threadedly coupled and pass through the second screw hole and fixed link contradicts.
By using above-mentioned technical proposal, when actually detected, can according to need automatic first with automatic lifting bar
The measurement height of pipeline corrosion protection monitor on object disposing platform is adjusted, meets the needs of to height duct survey, utilizes
Power supply is powered pipeline corrosion protection monitor, by the first semicircular ring and the lock connection of the second semicircular ring, is set in test tube to be checked
Then the outer surface in road rotates rotating handle, push screw rod to advance, so that pulley is contacted with pipe surface, then examine metal
Stick and tube contacts to be detected are surveyed, energization is checked.After a region is completed in detection, thread segment, fixed link and first are rotated
Screw hole connection, fixed link move in the first screw hole, and round rod segment is embedded in second sleeve, rotating threaded rod, threaded rod and the first spiral shell
Hole is threadedly coupled and passes through the second screw hole and fixed link contradicts, mobile using pulley at this time, is moved to the next region of pipeline and carries out
Inspection, the first semicircular ring and the second semicircular ring are moved together with pedestal；When being moved to next area to be tested, screw thread is rotated
Section, fixed link move in the first screw hole, and round rod segment is detached from second sleeve, repeat above-mentioned measuring process；When pedestal is mobile, the
One semicircular ring and the second semicircular ring are moved together with pedestal, are facilitated operator mobile, are reduced operator's working strength
Effect.
Further, the threaded rod is equipped with spinner handle far from one end of fixed link.
Through the above technical solutions, operator, which rotates spinner handle, realizes movement of the threaded rod in the second screw hole, realization pair
The fastening of fixed link and loosen, has the effect of that operator is facilitated to operate.
Further, the pedestal is equipped with the regulating device for adjusting the first semicircular ring and the second semicircular ring height, institute
Stating regulating device includes air bag, first sleeve, charge and discharge inflator, adjusting rod and bracket, and the air bag bottom is equipped with charge and discharge tracheae, institute
It states charge and discharge inflator to be connected with charge and discharge tracheae, the first sleeve is fixedly connected with pedestal, and the first sleeve is close to the side of pedestal
Wall is equipped with the outlet stretched out for charge and discharge tracheae, and the air bag is located in first sleeve, one end insertion first of the adjusting rod
The upper end of sleeve is simultaneously set to above air bag, and the other end is fixedly connected with bracket close to the side on ground；It is vertically solid on the bracket
It is fixed there are two vertical bar, both ends hinged with the second semicircular ring with the first semicircular ring are fixedly connected two vertical bars respectively.
Through the above technical solutions, when the height of pipeline to be detected changes, because one end of adjusting rod is set to gas
Above capsule, the other end is fixedly connected close to the side on ground with bracket, is carried out according to actual needs by charge and discharge inflator to air bag
Inflation is deflated, and the position of adjusting rod changes with the state of air bag, the position of bracket with the variation of adjusting rod position and
Variation；Due to being vertically and fixedly provided with two vertical bars on bracket and two vertical bars are hinged with the first semicircular ring and the second semicircular ring respectively
Both ends are fixedly connected, therefore the position of the first semicircular ring and the second semicircular ring changes with the change of bracket locations, and having can be with
Adjust and fix according to actual needs the effect of the first semicircular ring and the second semicircle ring position.
Further, the lower section that the first semicircular ring and the second semicircular ring are located on the bracket is equipped with spring.By above-mentioned
Technical solution, after the first semicircular ring connects with the lock of the second semicircular ring opening, spring holds the first semicircular ring and the second half
Annulus has the first semicircular ring of limitation and the second semicircular ring open angle and rises to the first semicircular ring and the second semicircular ring fallen
To the effect of buffering.
Further, the spring is fixedly connected with the first semicircular ring of cooperation and the second semi-circular shape far from one end of bracket
The supporting spring of shape.
Through the above technical solutions, the shape of the shape of supporting spring and the first semicircular ring and the second semicircular ring matches, have
Preferably fix the effect of the position of the first semicircular ring and the second semicircular ring.
Further, the supporting spring is equipped with cushion far from the side of spring.
Through the above technical solutions, when the first semicircular ring and the second semicircular ring are opened, supporting spring hold the first semicircular ring and
Second semicircular ring, cushion, which plays, avoids supporting spring from causing to wear to the first semicircular ring and the second semicircular ring.
Further, the pedestal is equipped with the rack for placing charge and discharge inflator.
Through the above technical solutions, when charge and discharge inflator when not in use, can be placed on rack, reach be convenient for carrying,
Purpose not easy to lose.
Further, the object disposing platform is equipped with rain cover.
Through the above technical solutions, rain cover can reduce rainy day power supply and pipeline corrosion protection monitor is soaked with rain
Possibility achievees the purpose that protection power source and pipeline corrosion protection monitor.
In conclusion the advantageous effects of the utility model are as follows:
1. having using the structure of setting fixed link and second sleeve and facilitating operator mobile, reduce working strength
Effect；
2. having the effect of fixing the first semicircular ring and the second semicircle ring position using the structure of setting regulating device；
3. being connected with the structure design of supporting spring using the other end for being uniformly distributed spring and spring on bracket, there is limitation
The angle that first semicircular ring and the second semicircular ring are opened, and preferably to the first semicircular ring of opening state and the second semicircular ring
The effect that position is fixed.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the right view of the regulating device of the utility model.
Fig. 3 is cross-sectional view at A-A in Fig. 2.
In figure, 1, pedestal；11, automatic lifting bar；12, object disposing platform；121, power supply；122, pipeline corrosion protection monitor；
123, support rod；1231, the first screw hole；124, rain cover；13, regulating device；131, air bag；1311, charge and discharge tracheae；132,
One sleeve；1321, it exports；133, charge and discharge inflator；134, adjusting rod；135, bracket；1351, vertical bar；1352, spring；1353, it holds in the palm
Piece；1354, cushion；14, rack；2, the first semicircular ring；21, metal detection stick；22, insulated fixing rod；23, conducting wire；3,
Two semicircular rings；4, pulley；5, screw rod；51, rotating handle；6, fixed link；61, thread segment；62, round rod segment；7, second sleeve；
71, the second screw hole；74, threaded rod；741, spinner handle；8, third screw hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: being a kind of natural gas line anticorrosion monitoring device disclosed by the utility model referring to Figure 1 and Figure 3, including
Pedestal 1, automatic lifting bar 11, object disposing platform 12, power supply 121, pipeline corrosion protection monitor 122, the first semicircular ring 2, the second semicircle
Ring 3, pulley 4, screw rod 5, rotating handle 51, metal detection stick 21, insulated fixing rod 22, conducting wire 23；Wherein, automatic lifting bar 11
Lower end be fixedly connected with pedestal 1,11 upper end of automatic lifting bar is fixedly connected with object disposing platform 12, power supply 121 and pipeline corrosion protection
Monitor 122 is fixed on object disposing platform 12, and power supply 121 and pipeline corrosion protection monitor 122 connect, and object disposing platform 12 is equipped with anti-
Canopy 124, rain cover 124 can be soaked with rain to avoid rainy day power supply 121 and pipeline corrosion protection monitor 122, reach protection
The purpose of power supply 121 and pipeline corrosion protection monitor 122.
Referring to Fig.1, referring to Fig.1 and Fig. 3, be equipped with regulating device 13 on pedestal 1, regulating device 13 include air bag 131,
First sleeve 132, charge and discharge inflator 133, adjusting rod 134 and bracket 135, pedestal 1 are equipped with the rack for placing charge and discharge inflator 133
14,131 bottom of air bag is equipped with charge and discharge tracheae 1311, and charge and discharge tracheae 1311 is connected with charge and discharge inflator 133；First sleeve 132 with
Pedestal 1 is fixedly connected, and first sleeve 132 is equipped with the outlet 1321 stretched out for charge and discharge tracheae 1311, gas close to the side wall of pedestal 1
Capsule 131 is located in first sleeve 132, and one end of adjusting rod 134 is inserted into the upper end of first sleeve 132 and is located at the upper of air bag 131
Side, the other end are fixedly connected with bracket 135 close to the side on ground；It is vertically and fixedly provided with two vertical bars 1351 on bracket 135, first
One end of semicircular ring 2 and one end of the second semicircular ring 3 are hinged by a horizontal axis, two vertical bars 1351 respectively with the both ends of horizontal axis
It is fixedly connected, it is another because one end of adjusting rod 134 is set to 131 top of air bag when the height of pipeline to be detected changes
End is fixedly connected with bracket 135 close to the side on ground, is filled according to actual needs by charge and discharge inflator 133 to air bag 131
The position of gas or deflation, adjusting rod 134 changes with the state of air bag 131, and the position of bracket 135 is with adjusting rod 134
The variation set and change；Due to being vertically and fixedly provided with two vertical bars 1351 on bracket 135 and two vertical bars 1351 are respectively with the first half
The both ends hinged with the second semicircular ring 3 of annulus 2 are fixedly connected, therefore the position of the first semicircular ring 2 and the second semicircular ring 3 is with bracket
The change of 135 positions and change, have can adjust and fix according to actual needs the first semicircular ring 2 and the second semicircular ring 3
The effect set.The other end of first semicircular ring 2 and the other end of the second semicircular ring 3 pass through lock connection；23 one end of conducting wire and pipe
Road Corrosion Intensity Checking System 122 connects, and the other end and metal detection stick 21 connect, and 22 one end of insulated fixing rod and metal detection stick 21 connect
It connects, the other end and the connection of 2 inner wall of the first semicircular ring；First semicircular ring 2 and 3 outer wall of the second semicircular ring are equipped with several third spiral shells
Hole and several screw rods 5 being threadedly coupled with third screw hole, one end of screw rod 5 passes through third screw hole and connect with pulley 4, another
End and rotating handle 51 connect.
Referring to Fig.1, the lower section that the first semicircular ring 2 and the second semicircular ring 3 are located on bracket 135 is equipped with spring 1352, when the
When one semicircular ring 2 and the second semicircular ring 3 are opened, spring 1352 holds the first semicircular ring 2 and the second semicircular ring 3；Spring 1352 is remote
One end from bracket 135 is fixedly connected with the supporting spring 1353 of cooperation the first semicircular ring 2 and 3 shape of the second semicircular ring, supporting spring 1353
Side far from spring 1352 is equipped with cushion 1354, and when the first semicircular ring 2 and the second semicircular ring 3 opening, supporting spring 1353 is held
First semicircular ring 2 and the second semicircular ring 3, the cushion 1354 on supporting spring 1353, which plays, avoids supporting spring 1353 to the first semicircular ring
2 and second semicircular ring 3 cause to wear, the spring 1352 positioned at the first semicircular ring 2 and the lower section of the second semicircular ring 3 has limitation first
Semicircular ring 2 and 3 open angle of the second semicircular ring and the effect that buffering is played to the first semicircular ring 2 and the second semicircular ring 3 that fall.
Referring to Fig.1, pedestal 1 is equipped with fixed link 6, and 2 outer wall of the first semicircular ring is equipped with second sleeve 7, and fixed link 6 includes
The thread segment 61 and round rod segment 62 of integrally connected are vertically and fixedly provided with support rod 123 on object disposing platform 12, and support rod 123 is equipped with
First screw hole 1231, thread segment 61 and the first screw hole 1231 are threadedly coupled and simultaneously pass through the first screw hole 1231, the insertion of round rod segment 62 the
In two sleeves 7, the side wall of second sleeve 7 is equipped with the second screw hole 71 and threaded rod 74, and threaded rod 74 and 71 screw thread of the second screw hole connect
It connects and passes through the second screw hole 71 and contradicted with fixed link 6, threaded rod 74 is equipped with spinner handle 741 far from one end of fixed link 6.
Specific embodiment: staff automatically monitors the pipeline corrosion protection on object disposing platform 12 using automatic lifting bar 11
The measurement height of instrument 122 is adjusted, and meets the needs of to height duct survey, using power supply 121 to pipeline corrosion protection monitor
122 are powered, and then according to the physical location of natural gas line, carry out inflation/deflation to air bag 131 using charge and discharge inflator 133,
It adjusts rack 14 and is set in be detected to suitable position by the first semicircular ring 2 and the second semicircular ring 3 using lock fastening
Then the outer surface of natural gas line rotates rotating handle 51, screw rod 5 is pushed to advance, so that pulley 4 and natural gas line surface
Contact, then contacts metal detection stick 21 with natural gas line to be detected, and energization is checked；A region is completed in detection
Afterwards, lock is opened, the first semicircular ring 2 and the second semicircular ring 3 fall on the supporting spring on the spring 1352 being disposed below after separating
1353, hold the first semicircular ring 2 and the second semicircular ring 3.Staff rotates thread segment 61, fixed link 6 and the first screw hole 1231
Connection, fixed link 6 move in the first screw hole 1231, and round rod segment 62 is embedded in second sleeve 7, rotating threaded rod 74, threaded rod 74
The second screw hole 71 is threadedly coupled and passed through with the first screw hole 1231 and fixed link 6 contradicts, and staff utilizes 4 mobile base of pulley
1, the first semicircular ring 2 and the second semicircular ring 3 are moved with the movement of pedestal 1, are moved to the next region of natural gas line and are carried out
It checks, when being moved to next area to be tested, rotates thread segment 61, fixed link 6 moves in the first screw hole 1231, round rod segment 62
It is detached from second sleeve 7, repeats above-mentioned measuring process.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of natural gas line anticorrosion monitoring device, including pedestal (1), automatic lifting bar (11), object disposing platform (12), power supply
(121), pipeline corrosion protection monitor (122), the first semicircular ring (2), the second semicircular ring (3), pulley (4), screw rod (5), rotation hand
Handle (51), metal detection stick (21), insulated fixing rod (22), conducting wire (23)；
Automatic lifting bar (11) lower end is fixedly connected with pedestal (1), automatic lifting bar (11) upper end and object disposing platform
(12) it is fixedly connected, the power supply (121) and pipeline corrosion protection monitor (122) are fixed on object disposing platform (12), the power supply
(121) it is connect with pipeline corrosion protection monitor (122)；
One end of first semicircular ring (2) and one end of the second semicircular ring (3) are hinged, first semicircular ring (2) it is another
The other end of end and the second semicircular ring (3) passes through lock connection；
Described conducting wire (23) one end and pipeline corrosion protection monitor (122) connection, the other end is connect with metal detection stick (21), described
Insulated fixing rod (22) one end is connect with metal detection stick (21), the other end and the connection of the first semicircular ring (2) inner wall；
First semicircular ring (2) and the second semicircular ring (3) outer wall be equipped with several third screw holes (8) and with third screw hole
(8) screw rod (5) being threadedly coupled, one end of the screw rod (5) pass through third screw hole (8) and connects with pulley (4), the other end with
Rotating handle (51) connection；
It is characterized by also including fixed link (6) and second sleeve (7), the fixed link (6) includes the thread segment of integrally connected
(61) and round rod segment (62) it, is vertically and fixedly provided with support rod (123) on the object disposing platform (12), is set on the support rod (123)
Having the first screw hole (1231), the thread segment (61) and the first screw hole (1231) are threadedly coupled and pass through the first screw hole (1231),
The second sleeve (7) is located on the first semicircular ring (2) outer surface, and the round rod segment (62) is embedded in second sleeve (7), and described the
The side wall of two sleeves (7) is equipped with the second screw hole (71) and threaded rod (74), the threaded rod (74) and the second screw hole (71) screw thread
The second screw hole (71) and fixed link (6) are connected and through to contradict.
2. a kind of natural gas line anticorrosion monitoring device according to claim 1, it is characterised in that: the threaded rod (74)
One end far from fixed link (6) is equipped with spinner handle (741).
3. a kind of natural gas line anticorrosion monitoring device according to claim 1, it is characterised in that: the pedestal (1) sets
There is the regulating device (13) for adjusting the first semicircular ring (2) Yu the second semicircular ring (3) height, the regulating device (13) includes
Air bag (131), first sleeve (132), charge and discharge inflator (133), adjusting rod (134) and bracket (135), air bag (131) bottom
Portion is equipped with charge and discharge tracheae (1311), and the charge and discharge inflator (133) is connected with charge and discharge tracheae (1311), the first sleeve (132)
It is fixedly connected with pedestal (1), side wall of the first sleeve (132) close to pedestal (1) is equipped with to be stretched for charge and discharge tracheae (1311)
Outlet (1321) out, the air bag (131) are located in first sleeve (132), one end insertion first of the adjusting rod (134)
The upper end of sleeve (132) is simultaneously set to above air bag (131), and the other end is fixedly connected with bracket (135) close to the side on ground；Institute
State and be vertically and fixedly provided with two vertical bars (1351) on bracket (135), two vertical bars (1351) respectively with the first semicircular ring (2) with
The hinged both ends of second semicircular ring (3) are fixedly connected.
4. a kind of natural gas line anticorrosion monitoring device according to claim 3, it is characterised in that: the bracket (135)
It is upper to be respectively arranged below with spring (1352) positioned at the first semicircular ring (2) and the second semicircular ring (3).
5. a kind of natural gas line anticorrosion monitoring device according to claim 4, it is characterised in that: the spring (1352)
One end far from bracket (135) is fixedly connected with the supporting spring of cooperation the first semicircular ring (2) and the second semicircular ring (3) shape
(1353).
6. a kind of natural gas line anticorrosion monitoring device according to claim 5, it is characterised in that: the supporting spring (1353)
Side far from spring (1352) is equipped with cushion (1354).
7. a kind of natural gas line anticorrosion monitoring device according to claim 6, it is characterised in that: on the pedestal (1)
Equipped with the rack (14) for placing charge and discharge inflator (133).
8. a kind of natural gas line anticorrosion monitoring device according to claim 1, it is characterised in that: the object disposing platform
(12) rain cover (124) are equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920127008.2U CN209655053U (en) | 2019-01-24 | 2019-01-24 | Natural gas line anticorrosion monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920127008.2U CN209655053U (en) | 2019-01-24 | 2019-01-24 | Natural gas line anticorrosion monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209655053U true CN209655053U (en) | 2019-11-19 |
Family
ID=68522489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920127008.2U Active CN209655053U (en) | 2019-01-24 | 2019-01-24 | Natural gas line anticorrosion monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209655053U (en) |
-
2019
- 2019-01-24 CN CN201920127008.2U patent/CN209655053U/en active Active
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Address after: 210042 building 10, No. 699-18, Xuanwu Avenue, Xuanwu District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Zhuowei Engineering Consulting Co.,Ltd. Address before: 210042 building 10, No. 699-18, Xuanwu Avenue, Xuanwu District, Nanjing City, Jiangsu Province Patentee before: Nanjing Zhuowei Engineering Supervision Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |