CN203631191U - Y-shaped suspension string of power transmission line - Google Patents
Y-shaped suspension string of power transmission line Download PDFInfo
- Publication number
- CN203631191U CN203631191U CN201320766681.3U CN201320766681U CN203631191U CN 203631191 U CN203631191 U CN 203631191U CN 201320766681 U CN201320766681 U CN 201320766681U CN 203631191 U CN203631191 U CN 203631191U
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- Prior art keywords
- composite insulation
- insulation substring
- substring group
- connecting tool
- type
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- 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.)
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- 239000000725 suspension Substances 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 105
- 239000012212 insulator Substances 0.000 claims abstract description 67
- 238000009413 insulation Methods 0.000 claims description 99
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005549 size reduction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a Y-shaped suspension string of a power transmission line. The Y-shaped suspension string of the power transmission line comprises a first composite insulator string set, a second composite insulator string set, a third composite insulator string set, a Y-shaped connecting fitting, a voltage-sharing shielding ring and an eight-division overhanging connecting plate. The first and second composite insulator string sets form a V-shape, and are respectively connected with the two ends of an upper V-shape of the Y-shaped connecting fitting, and a lower I-shape of the Y-shaped connecting fitting is connected with one end of the third composite insulator string set, and the other end of the third composite insulator string set is connected with the voltage-sharing shielding ring to the upper end of the eight-division overhanging connecting plate. A single limb of a V-shaped string of the Y-shaped suspension string is shorter than the single limb of the V-shaped string of a V-shaped suspension string, and a lower I-shaped string is added to guarantee that the electric clearance of a live part and a pole tower component satisfies the code requirements, so that the size of a pole tower cross arm corresponding to the Y-shaped suspension string is much smaller than the size of the pole tower cross arm corresponding to the V-shaped suspension string, and the size of the pole tower cross arm is reduced.
Description
Technical field
The utility model relates to suspension string technical field, more particularly, relates to a kind of transmission line Y type suspension string.
Background technology
Present stage is the circuit width of corridor that reduces transmission line, control housing demolition amount, transmission line adopts V-type suspension string in bulilt-up area territory more, referring to Fig. 1, the structural representation of the disclosed a kind of transmission line V-type suspension string of prior art, comprise: two composite insulation substrings 11, two are all pressed shading ring 12 and eight splitting hanging yoke plates 13, each composite insulation substring 11 connects a single limb of all pressing shading ring 12 to form a V-type composite insulation substring, and single limb of two V-type composite insulation substrings is connected to the upper end of eight splitting hanging yoke plates 13.
The separately air line distance of single limb maximum of two V-type composite insulation substrings determines the size of cross arm of tower, and the size of cross arm of tower is larger, and required tower material is more, thereby the expenditure of construction of shaft tower increases, and the overall technology index of shaft tower increases.
Wherein, reducing the size of cross arm of tower can be by reducing the angle between single limb of two V-type composite insulation substrings or reducing eight splitting hanging yoke plates 13 realizes apart from the vertical distance of cross arm of tower.But, relevant Regulations regulation, the angle between single limb of two V-type composite insulation substrings is relevant with engineering design wind speed and wire characteristic, in same engineering, immobilizes, and eight splitting hanging yoke plates 13 immobilize apart from the vertical minimum range of cross arm of tower.Therefore, how, in the situation that suspension string meets related specifications rules, reducing cross arm of tower size, is those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of transmission line Y type suspension string, to realize suspension string in the situation that meeting related specifications rules, reduces the size of cross arm of tower, thereby reduces the expenditure of construction of shaft tower, reduces the overall technology index of shaft tower.
A kind of transmission line Y type suspension string, comprising: the first composite insulation substring group, the second composite insulation substring group, the 3rd composite insulation substring group, Y type connecting tool, all press shading ring and eight splitting hanging yoke plates;
Described the first composite insulation substring group and described the second composite insulation substring composition V-type are connected to the ChengVXing two ends, top of described Y type connecting tool, the bottom of described Y type connecting tool becomes one end of I type to connect one end of described the 3rd composite insulation substring group, and the other end of described the 3rd composite insulation substring group connects the described upper end of shading ring to described eight splitting hanging yoke plates of all pressing.
Preferably, described the first composite insulation substring group comprises the first synthetic insulator and the first connecting tool that are connected, and described the first synthetic insulator is used for connecting described Y type connecting tool;
Described the second composite insulation substring group comprises the second synthetic insulator and the second connecting tool that are connected, and described the second synthetic insulator is used for connecting described Y type connecting tool;
Described the 3rd composite insulation substring group comprises two synthetic insulators in parallel.
Preferably, described the first composite insulation substring group is identical with length with the structure of described the second composite insulation substring group.
The structure of described two synthetic insulators in parallel that preferably, described the 3rd composite insulation substring group comprises and identical length are same.
Preferably, described the first composite insulation substring group comprises two synthetic insulators in parallel and the first connecting tool, and a common port of described two synthetic insulators in parallel connects described the first connecting tool, and another common port connects described Y type connecting tool;
Described the second composite insulation substring group comprises two synthetic insulators in parallel and the second connecting tool, and a common port of described two synthetic insulators in parallel connects described the second connecting tool, and another common port connects described Y type connecting tool;
Described the 3rd composite insulation substring group comprises four synthetic insulators in parallel.
Preferably, described the first composite insulation substring group is identical with length with the structure of described the second composite insulation substring group.
The structure of described two synthetic insulators in parallel that preferably, described the first composite insulation substring group comprises and identical length are same;
The structure of described two synthetic insulators in parallel that described the second composite insulation substring group comprises and identical length are same.
The structure of described four synthetic insulators in parallel that preferably, described the 3rd composite insulation substring group comprises and identical length are same.
Can find out from above-mentioned technical scheme, the utility model provides a kind of transmission line Y type suspension string, comprising: the first composite insulation substring group, the second composite insulation substring group, the 3rd composite insulation substring group, Y type connecting tool, all press shading ring and eight splitting hanging yoke plates; The first composite insulation substring group and the second composite insulation substring composition V-type are connected to the ChengVXing two ends, top of Y type connecting tool, the bottom of Y type connecting tool becomes one end of I type to connect one end of the 3rd composite insulation substring group, and the other end of the 3rd composite insulation substring group connects the upper end of all pressing shading ring to eight splitting hanging yoke plate.The Y type suspension string that the utility model provides is made up of upper part V-type part and lower part I type part, because the single limb of Y type suspension string V string part is short compared with the single limb of V string part of V-type suspension string, and increase bottom I string part and guarantee that the electric clearance of live part and shaft tower member meets Regulations requirement, therefore, the size reduction of cross arm of tower size that Y type suspension string the is corresponding cross arm of tower corresponding with respect to V-type suspension string is a lot, has reduced the size of cross arm of tower., therefore, the Y type suspension string that the utility model provides, in the situation that meeting related specifications rules, has reduced the size of cross arm of tower, thereby has reduced the expenditure of construction of shaft tower, has reduced the overall technology index of shaft tower.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of V-type suspension string of prior art;
Fig. 2 is the structural representation of the disclosed a kind of transmission line Y type suspension string of the utility model embodiment;
Fig. 3 is the end view of the disclosed a kind of transmission line Y type suspension string V-type part of the utility model embodiment;
Fig. 4 is the end view of the disclosed a kind of transmission line Y type suspension string I type part of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 2, the utility model embodiment discloses a kind of structural representation of transmission line Y type suspension string, and described transmission line Y type suspension string comprises:
The first composite insulation substring group 21, the second composite insulation substring group 22, the 3rd composite insulation substring group 24, Y type connecting tool 23, all press shading ring 25 and eight splitting hanging yoke plates 13;
22 one-tenth V-types of the first composite insulation substring group 21 and the second composite insulation substring group are connected to the ChengVXing two ends, top of Y type connecting tool 23, the bottom of Y type connecting tool 23 becomes one end of I type to connect one end of the 3rd composite insulation substring group 24, and the other end of the 3rd composite insulation substring group 24 connects the upper end of all pressing shading ring 25 to eight splitting hanging yoke plates 13.
In summary it can be seen, the Y type suspension string that the utility model provides is made up of upper part V-type part and lower part I type part, because the single limb of Y type suspension string V string part is short compared with the single limb of V string part of V-type suspension string, and increase bottom I string part and guarantee that the electric clearance of live part and shaft tower member meets Regulations requirement, therefore, the size reduction of cross arm of tower size that Y type suspension string the is corresponding cross arm of tower corresponding with respect to V-type suspension string is a lot, has reduced the size of cross arm of tower.Therefore, the Y type suspension string that the utility model provides, in the situation that meeting related specifications rules, has reduced the size of cross arm of tower, thereby has reduced the expenditure of construction of shaft tower, has reduced the overall technology index of shaft tower.
Preferably, the first composite insulation substring group 21 can comprise a synthetic insulator and a connecting tool, or comprise two synthetic insulators in parallel and a connecting tool, the second composite insulation substring group 22 also comprises a synthetic insulator and a connecting tool accordingly, or comprising two synthetic insulators in parallel and a connecting tool, the number of the synthetic insulator that the second composite insulation substring group 22 comprises with the first composite insulation substring group 21 is identical.
Wherein, in the time that the first composite insulation substring group 21 and the second composite insulation substring group 22 include a synthetic insulator and a connecting tool, the 3rd composite insulation substring group 24 comprises two synthetic insulators in parallel; In the time that the first composite insulation substring group 21 and the second composite insulation substring group 22 include two synthetic insulators in parallel and a connecting tool, the 3rd composite insulation substring group 24 comprises four synthetic insulators in parallel, and the number of the synthetic insulator that the 3rd composite insulation substring group 24 comprises is the first composite insulation substring group 21(or the second composite insulation substring group 22) 2 times of the number of the synthetic insulator that comprises.
It should be noted is that, weight and the number of the transmission line that the number of the synthetic insulator that the first composite insulation substring group 21 comprises separately with the second composite insulation substring group 22 bears to Y type suspension string are relevant.Therefore, can set according to actual needs the number of the synthetic insulator being connected in parallel in the first composite insulation substring group 21 and the second composite insulation substring group 22, the utility model does not limit at this.
Referring to Fig. 2, concrete, the first composite insulation substring group 21 comprises the first synthetic insulator 211 and the first connecting tool 212 that are connected, and wherein, the first synthetic insulator 211 is for connecting Y type connecting tool 23; The second composite insulation substring group 22 comprises the second synthetic insulator 221 and the second connecting tool 222 that are connected, and wherein, the second synthetic insulator 221 is for connecting Y type connecting tool 23; The 3rd composite insulation substring group 24 comprises two synthetic insulators in parallel.
Wherein, in the present embodiment, structure and the length of the first composite insulation substring group 21 and the second composite insulation substring group 22 all can be identical.
Referring to Fig. 3, the end view of the disclosed a kind of transmission line Y type suspension string V-type part of the utility model, by finding out in Fig. 3, when structure and the identical length while of the first composite insulation substring group 21 and the second composite insulation substring group 22, the first synthetic insulator 211 of the first composite insulation substring group 21 is identical with length with the second synthetic insulator 221 of the second composite insulation substring group 22 and the structure of the second connecting tool 222 with the first connecting tool 212.
It should be noted is that, structure and the length of included two synthetic insulators in parallel of above-mentioned the 3rd composite insulation substring group 24 are also all identical, specifically referring to Fig. 4.
In addition, referring to Fig. 2, concrete, when the first composite insulation substring group 21 comprises two synthetic insulators in parallel (Reference numeral 211 in Fig. 2 only illustrates a synthetic insulator) and the first connecting tool 212, a common port of two synthetic insulators in parallel connects the first connecting tool 212, and another public end connects Y type connecting tool 23; The second composite insulation substring group 22 comprises two synthetic insulators in parallel (Reference numeral 221 in Fig. 2 only illustrates a synthetic insulator) and the second connecting tool 222, a common port of two synthetic insulators in parallel connects the second connecting tool 222, and another public end connects Y type connecting tool 23; The 3rd composite insulation substring group 24 comprises four synthetic insulators in parallel.
It should be noted is that, in the time that two synthetic insulators in parallel not directly do not connect, the gold utensil of two common connections of synthetic insulator is the common port of two synthetic insulators in parallel described above.
Wherein, in the present embodiment, structure and the length of the first composite insulation substring group 21 and the second composite insulation substring group 22 all can be identical.
Preferably, the structure of two synthetic insulators in parallel that the first composite insulation substring group 21 comprises and identical length are same, and the structure of two composite insulation substrings in parallel that the second composite insulation substring group 22 comprises and identical length are with (not shown in Fig. 2).
In addition, the structure of included four synthetic insulators in parallel of above-mentioned the 3rd composite insulation substring group 24 and identical length with.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a transmission line Y type suspension string, is characterized in that, comprising: the first composite insulation substring group, the second composite insulation substring group, the 3rd composite insulation substring group, Y type connecting tool, all press shading ring and eight splitting hanging yoke plates;
Described the first composite insulation substring group and described the second composite insulation substring composition V-type are connected to the ChengVXing two ends, top of described Y type connecting tool, the bottom of described Y type connecting tool becomes one end of I type to connect one end of described the 3rd composite insulation substring group, and the other end of described the 3rd composite insulation substring group connects the described upper end of shading ring to described eight splitting hanging yoke plates of all pressing.
2. transmission line Y type suspension string according to claim 1, is characterized in that, described the first composite insulation substring group comprises the first synthetic insulator and the first connecting tool that are connected, and described the first synthetic insulator is used for connecting described Y type connecting tool;
Described the second composite insulation substring group comprises the second synthetic insulator and the second connecting tool that are connected, and described the second synthetic insulator is used for connecting described Y type connecting tool;
Described the 3rd composite insulation substring group comprises two synthetic insulators in parallel.
3. transmission line Y type suspension string according to claim 2, is characterized in that, described the first composite insulation substring group is identical with length with the structure of described the second composite insulation substring group.
4. according to the transmission line Y type suspension string described in claim 2 or 3 any one, it is characterized in that, the structure of described two synthetic insulators in parallel that described the 3rd composite insulation substring group comprises and identical length are same.
5. transmission line Y type suspension string according to claim 1, is characterized in that,
Described the first composite insulation substring group comprises two synthetic insulators in parallel and the first connecting tool, and a common port of described two synthetic insulators in parallel connects described the first connecting tool, and another common port connects described Y type connecting tool;
Described the second composite insulation substring group comprises two synthetic insulators in parallel and the second connecting tool, and a common port of described two synthetic insulators in parallel connects described the second connecting tool, and another common port connects described Y type connecting tool;
Described the 3rd composite insulation substring group comprises four synthetic insulators in parallel.
6. transmission line Y type suspension string according to claim 5, is characterized in that, described the first composite insulation substring group is identical with length with the structure of described the second composite insulation substring group.
7. transmission line Y type suspension string according to claim 5, is characterized in that,
The structure of described two synthetic insulators in parallel that described the first composite insulation substring group comprises and identical length are same;
The structure of described two synthetic insulators in parallel that described the second composite insulation substring group comprises and identical length are same.
8. according to the transmission line Y type suspension string described in claim 5 to 7 any one, it is characterized in that, the structure of described four synthetic insulators in parallel that described the 3rd composite insulation substring group comprises and identical length are same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766681.3U CN203631191U (en) | 2013-11-22 | 2013-11-22 | Y-shaped suspension string of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766681.3U CN203631191U (en) | 2013-11-22 | 2013-11-22 | Y-shaped suspension string of power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631191U true CN203631191U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320766681.3U Expired - Lifetime CN203631191U (en) | 2013-11-22 | 2013-11-22 | Y-shaped suspension string of power transmission line |
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| Country | Link |
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| CN (1) | CN203631191U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240865A (en) * | 2014-08-26 | 2014-12-24 | 江东金具设备有限公司 | Composite insulator triple Y-shaped overhung string |
| CN104269232A (en) * | 2014-09-22 | 2015-01-07 | 国家电网公司 | Composite insulator V-shaped overhung string for overhead transmission line |
| CN104376934A (en) * | 2014-11-20 | 2015-02-25 | 国家电网公司 | Compact type tri-connection V-shaped suspension string for light-ice area |
| CN104733138A (en) * | 2015-03-25 | 2015-06-24 | 中国电力工程顾问集团中南电力设计院有限公司 | Ultra-high voltage direct-current circuit Y-shaped string tangent tower |
| CN110970851A (en) * | 2019-12-06 | 2020-04-07 | 中国电力工程顾问集团西南电力设计院有限公司 | Ч type suspension string for preventing wind bias |
| CN112836376A (en) * | 2021-02-09 | 2021-05-25 | 北京信息职业技术学院 | VI string stress calculation method |
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
-
2013
- 2013-11-22 CN CN201320766681.3U patent/CN203631191U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240865A (en) * | 2014-08-26 | 2014-12-24 | 江东金具设备有限公司 | Composite insulator triple Y-shaped overhung string |
| CN104269232A (en) * | 2014-09-22 | 2015-01-07 | 国家电网公司 | Composite insulator V-shaped overhung string for overhead transmission line |
| CN104376934A (en) * | 2014-11-20 | 2015-02-25 | 国家电网公司 | Compact type tri-connection V-shaped suspension string for light-ice area |
| CN104733138A (en) * | 2015-03-25 | 2015-06-24 | 中国电力工程顾问集团中南电力设计院有限公司 | Ultra-high voltage direct-current circuit Y-shaped string tangent tower |
| CN110970851A (en) * | 2019-12-06 | 2020-04-07 | 中国电力工程顾问集团西南电力设计院有限公司 | Ч type suspension string for preventing wind bias |
| CN110970851B (en) * | 2019-12-06 | 2024-04-12 | 中国电力工程顾问集团西南电力设计院有限公司 | Windproof bias-used 'shaped' hanging string |
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
| CN112836376A (en) * | 2021-02-09 | 2021-05-25 | 北京信息职业技术学院 | VI string stress calculation method |
| CN112836376B (en) * | 2021-02-09 | 2024-03-01 | 北京信息职业技术学院 | Stress calculation method for VI strings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |