CN204691328U - Between the standard cleaning maintenance of a kind of outdoor batch production - Google Patents

Between the standard cleaning maintenance of a kind of outdoor batch production Download PDF

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Publication number
CN204691328U
CN204691328U CN201520280475.0U CN201520280475U CN204691328U CN 204691328 U CN204691328 U CN 204691328U CN 201520280475 U CN201520280475 U CN 201520280475U CN 204691328 U CN204691328 U CN 204691328U
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CN
China
Prior art keywords
maintenance
dustcloth
batch production
module
standard cleaning
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.)
Withdrawn - After Issue
Application number
CN201520280475.0U
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Chinese (zh)
Inventor
陈昊
朱超
吴健
朱凯
王斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520280475.0U priority Critical patent/CN204691328U/en
Application granted granted Critical
Publication of CN204691328U publication Critical patent/CN204691328U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses between the standard cleaning maintenance of a kind of outdoor batch production, comprise body (2) between top between maintenance (1) and maintenance; Between maintenance, top (1) comprises the gusset (101) of several arches, is placed on body between maintenance (2) after gusset (101) left and right sides overlaps mutually; Between maintenance, body (2) comprises the sidewall (202a), base plate (202b) and the end face (202c) that form room; End face (202c) comprises the framework (3) of hollow structure, lead (4) and dustcloth (5), and lead (4) is horizontally set on framework (3), and dustcloth (5) can slide along lead (4); Alarm device (7) is provided with in body (2) between maintenance; The utility model realizes GIS device once break down, and need not return factory and safeguard, by building outdoor batch production standard maintenance cleaning shop on the spot to equipment mounting or dismounting maintenance, can decrease power off time.

Description

Between the standard cleaning maintenance of a kind of outdoor batch production
Technical field
The utility model relates to power system GIS device checkout gear field, particularly relates between the standard cleaning maintenance of a kind of outdoor batch production.
Background technology
Along with the development of China's electric utility, GIS combination electric appliance uses increasingly extensive in 220kV and above electrical network.Thus GIS reduces conventional open style equipment conductive component to a great extent expose risk by external actions such as air because its conductive component is all enclosed in metal-back to be undertaken insulating by SF6 gas, effectively improves equipment operational reliability.But, also just because of totally enclosed feature makes the importance of Assembling quality more outstanding.As everyone knows, because of the restriction by equipment conveying condition, the large electric appliances equipment such as GIS after finalization of the manufacture, often need to be disassembled into different delivery units, in-site installation is carried out according to certain process flow for assembling again after arriving user installation scene, how GIS electrical equipment cleaning inside degree controls to a great extent, determines its safe operation reliability.In order to ensure the cleannes of GIS electric equipment inside, the processing of product component, assembling, maintenance all must be carried out in special cleaning shop.When emergency repair time has strict demand, set-up time and quality are usually puzzlement substation equipment maintenance and repair personnel's difficult problems.
The mode of directly installing under natural environment is applied very extensive.From having experience, the weak point that this method exists: 1. weather condition determines construction speed, and programming is difficult to strict control, install GIS has requirement to air humidity simultaneously, installation quality is subject to humidity effect, only could carry out operation when fine day.And south of the River rainwater is more, for Nanjing, the annual precipitation Day in In Nanjing is generally at more than 100 days, and the duration needed for the GIS installing a 220kV transformer station 12 intervals is generally 72 days, the whole duration is all that the probability of fine day is less than 0.01%, has had a strong impact on programming.
2. installation environment affects construction quality.Because haze takes place frequently, even if in fine day construction, be subject to air pollution effect, during open work, the inner impurity of GIS is not cleaned out, and impurity or dust sink collection and be adsorbed on GIS inner tank wall, cause continuous discharge, accidents caused generation.Show according to another interrelated data statistics, in GIS device class Fault of Insulating Breakdown, be mixed into the fault caused by impurity, account for 70% of total failare number.
3. carrying out of upkeep operation is unfavorable for.GIS device is the visual plant ensureing electric energy conveying in transformer station, needs to repair in time during its fault, otherwise transformer station's ability of supplying electric power declines, and causes economic loss.But simultaneously because the requirement of GIS device to environment is higher, outdoorly can not keep in repair, generally need dismounting to return in factory to cleaning shop and keep in repair, cause the increase of maintenance time.
Current because of the restriction by equipment conveying condition, the large electric appliances equipment such as GIS often need to be disassembled into different delivery units after finalization of the manufacture, in-site installation is carried out according to certain process flow for assembling again after arriving user installation scene, how GIS electrical equipment cleaning inside degree controls to a great extent, determines its safe operation reliability.In order to ensure the cleannes of GIS electric equipment inside, processing, the assembling of product component all must be carried out in cleaning shop.
Prior art, there is no and be specifically designed between the maintenance of outdoor GIS batch production standard, and present conventional method directly carries out maintenance out of doors under natural environment to install, and GIS device, once break down, needs to return factory's maintenance, delays emergency repair time and set-up time.
Utility model content
The utility model proposes between the standard cleaning maintenance of a kind of outdoor batch production, GIS device is once break down, factory need not be returned safeguard, can by building outdoor batch production standard maintenance cleaning shop on the spot to equipment mounting or dismounting maintenance, for the clean of GIS electrical equipment inside provides strong guarantee, greatly reduce power off time, improve economic benefit.
The technical solution of the utility model is as follows:
Between the standard cleaning maintenance of a kind of outdoor batch production, to comprise between maintenance body between top and maintenance;
Between maintenance, top comprises the gusset of several arches, to be placed between maintenance on body after the gusset left and right sides overlaps mutually; When the GIS device that volume is larger needs to enter between purification maintenance, when can not be entered by removable door, can by hanging out gusset, GIS device is put between purification maintenance by top between maintenance.
Between maintenance, body comprises and forms the sidewall in room, base plate and end face, and sidewall wherein two, after upper extension, support top between maintenance; Sidewall after general upwards extension and the shape of gusset adapt, and the edge of gusset extends beyond sidewall both sides, prevents rainwater from entering.
End face comprises the framework of hollow structure, lead and dustcloth, and lead is horizontally set on framework, and dustcloth can slide along lead.Lead is arranged near sidewall, time between the GIS device Engage of standard purification maintenance that volume is larger, only needs the end of dustcloth being moved to lead.
Sidewall is provided with removable door; The GIS device of small volume is by between removable door Engage of standard purification maintenance.
Alarm device is provided with in body between maintenance; Alarm device comprises signal acquisition module, DC-DC power module, collection control circuit, acousto-optic acquisition module, LED display module, alarm module and supplementary lighting module; Signal acquisition module, acousto-optic acquisition module, LED display module, alarm module are all connected with collection control circuit, and acousto-optic acquisition module is connected with supplementary lighting module; DC-DC power module and signal acquisition module, collect control circuit, acousto-optic acquisition module, LED display module, alarm module, supplementary lighting module be connected, for the assembly of alarm device provides power supply.Signal acquisition module connects detected GIS device, can receive the fault message of GIS device.
Because the operating position of maintenance is away from master-control room, field personnel cannot obtain the corresponding sound (as accident alarming signal) information effectively.Therefore; be necessary the alarm device being equiped with combination digital centralized control equipment in maintenance chamber interior; around when environment generation exception or circuit breaker trip, to remind field personnel in time, effectively, ensure that station personnel grasp rapidly periphery state in emergency circumstances.The supplementary lighting module of alarm device automatically can regulate maintenance room light intensity under the environment that light is more weak, provides the photoenvironment that a human body is pleasant.
The central angle that the arcuation form of the gusset of arch is corresponding is less than 180 degree, can effectively prevent ponding on gusset.
Distance between gusset highest point and end face is 50cm ~ 80cm, provides the space of a dust-separation.
Dustcloth comprises left dustcloth and right dustcloth, the dust-proof left and right two halves being separately positioned on end face of left dustcloth and the right side; The left and right sides of framework is provided with sliding rolling wheel, and one end of sliding rolling wheel is provided with and pulls chain, and left dustcloth is fixedly connected with the sliding rolling wheel of the left and right sides respectively with one end of right dustcloth, can the left dustcloth of drawing and right dustcloth by pulling the sliding rolling wheel of chain rotation.
The contact jaw of left dustcloth and right dustcloth is provided with thread gluing.
Removable door is provided with door curtain, the width of door curtain than detachable gate-width 20 cm ~ 40cm, length 30cm ~ 50cm longer than removable door.
Door curtain comprise rain repellent silk layer of cloth, dust-proof layer of cloth and folder scrim layer, rain repellent silk layer of cloth, dust-proof layer of cloth and folder scrim layer set gradually, folder scrim layer towards maintenance between body interior arrange.Folder screen cloth is solid, wear-resisting, windproof good, is applicable to the repeatedly dismounting of removable door and the folding repeatedly of door; Rain repellent silk cloth water resistance is good, light wear-resistant.
Door curtain is provided with silk cuff, the shirt-circuited end of silk cuff is along the rainproof silk having more 20cm ~ 50cm, and silk cuff is used for ventilation, and when not in use, the outer side flanging of cuff can be tightened with rope.
Base plate is PVC floor leather, and on-the-spot laying is convenient, not fragile, reusable, convenient for cleaning, and difficult combustion is dust-proof, moistureproof; Sidewall is PC force-bearing plate, meets the requirement of on-the-spot wind loading rating, on-the-spot light.Internal ground material adopts plastic flooring, meets dust-proof, moistureproof, fire-fighting requirements.
Between maintenance, the supporting framework of body is aluminium alloys framework, and composition form is Novel penetrating-rod-type, and ground fixed form is that lower margin supports and adds bolt and fix, the feature light, not easily the burn into life-span is long, section bar is attractive in appearance.Meet requirement that is practical and security performance, reach the requirement of batch production maintenance.
Compared with prior art, the beneficial effects of the utility model comprise:
1. have developed between the maintenance of outdoor batch production standard, GIS device is once break down, factory need not be returned safeguard, can by building outdoor batch production standard maintenance cleaning shop on the spot to equipment mounting or dismounting maintenance, for the clean of GIS electrical equipment inside provides strong guarantee, greatly reduce power off time, improve economic benefit.
2. overhaul indoor and be equiped with combination digital centralized control equipment.This device comprises GIS device accident alarming unit and Intelligent supplemental lighting unit.Alarm unit can detect abnormal sound and the illumination of maintenance chamber interior and surrounding by acousto-optic acquisition system, and the fault of closing on GIS device can run by signal acquiring system Test Field and trip signal, send sound and light alarm signal in time, remind the attention of staff.Intelligent supplemental lighting unit automatically can regulate maintenance room light intensity under the environment that light is more weak, provides the photoenvironment that a human body is pleasant.
3. adopt aluminium alloys framework between maintenance, composition form is Novel penetrating-rod-type, and ground fixed form is that lower margin support adds bolt, has light, that not easily the burn into life-span is long, section bar is attractive in appearance feature.Meet requirement that is practical and security performance, reach the requirement of batch production maintenance.
4. between maintenance, top uses detachable arcuate structure, solve hoisting large-size component requirement and because of rainy ponding, cause the impact of seepage.
between maintenance, materials for wall uses printing opacity can reach the PC force-bearing plate of 88%, meets the requirement of on-the-spot wind loading rating, on-the-spot light.Internal ground material adopts plastic flooring, meets dust-proof, moistureproof, fire-fighting requirements.
Accompanying drawing explanation
Fig. 1 is the schematic appearance between the standard cleaning maintenance of a kind of outdoor batch production of the utility model;
Fig. 2 is the structural representation between the standard cleaning maintenance of a kind of outdoor batch production of the utility model;
Fig. 3 is alarm device structural representation;
Fig. 4 is sliding rolling wheel installation site schematic diagram;
Fig. 5 is silk cuff schematic diagram.
Detailed description of the invention
For making the purpose of this utility model, technical scheme, advantage clearly, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Below with reference to accompanying drawing of the present utility model; clear, complete description and discussion are carried out to the technical scheme in the utility model embodiment; obviously; as described herein is only a part of example of the present utility model; it is not whole examples; based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to protection domain of the present utility model.
As depicted in figs. 1 and 2, between the standard cleaning maintenance of a kind of outdoor batch production, to comprise between maintenance body 2 between top 1 and maintenance;
Between maintenance, top 1 comprises the gusset 101 of several arches, to be placed between maintenance on body 2 after gusset 101 left and right sides overlaps mutually; When the GIS device that volume is larger needs to enter between purification maintenance, when can not be entered by removable door, can by hanging out gusset 101, GIS device is put between purification maintenance by top 1 between maintenance.
Between maintenance, body 2 comprises and forms sidewall 202a, the base plate 202b in room and end face 202c, sidewall 202a, base plate 202b and end face 202c form rectangular structure, and sidewall 202a wherein two, after upper extension, support top 1 between maintenance; Sidewall after general upwards extension and the shape of gusset 101 adapt, and the edge of gusset 101 extends beyond sidewall both sides, prevents rainwater from entering.
End face 202c comprises the framework 3 of hollow structure, lead 4 and dustcloth 5, and lead 4 is horizontally disposed with on the frame 3, and dustcloth 5 can slide along lead 4.Lead 4 is arranged near sidewall, time between the GIS device Engage of standard purification maintenance that volume is larger, only needs the end of dustcloth 5 being moved to lead 4.
Sidewall 202a is provided with removable door 6; The GIS device of small volume is by between removable door 6 Engage of standard purification maintenance.
As shown in Figure 3, alarm device 7 is provided with in body 2 between maintenance; Alarm device 7 comprises signal acquisition module, DC-DC power module, collection control circuit, acousto-optic acquisition module, LED display module, alarm module and supplementary lighting module; Signal acquisition module, acousto-optic acquisition module, LED display module, alarm module are all connected with collection control circuit, and acousto-optic acquisition module is connected with supplementary lighting module; DC-DC power module and signal acquisition module, collect control circuit, acousto-optic acquisition module, LED display module, alarm module, supplementary lighting module be connected, for the assembly of alarm device 7 provides power supply.
Because the operating position of maintenance is away from master-control room, field personnel cannot obtain the corresponding sound (as accident alarming signal) information effectively.Therefore; be necessary the alarm device 7 being equiped with combination digital centralized control equipment in maintenance chamber interior; around when environment generation exception or circuit breaker trip, to remind field personnel in time, effectively, ensure that station personnel grasp rapidly periphery state in emergency circumstances.The supplementary lighting module of alarm device 7 automatically can regulate maintenance room light intensity under the environment that light is more weak, provides the photoenvironment that a human body is pleasant.
The central angle that the arcuation form of the gusset 101 of arch is corresponding is less than 180 degree, can effectively prevent ponding on gusset 101.
Distance between gusset 101 highest point and end face 202c is 50cm ~ 80cm, provides the space of a dust-separation.
Dustcloth 5 comprises left dustcloth and right dustcloth, the dust-proof left and right two halves being separately positioned on end face 202c of left dustcloth and the right side; As shown in Figure 4, the left and right sides of framework 3 is provided with sliding rolling wheel 301, one end of sliding rolling wheel 301 is provided with and pulls chain 302, left dustcloth is fixedly connected with the sliding rolling wheel 301 of the left and right sides respectively with one end of right dustcloth, can the left dustcloth of drawing and right dustcloth by pulling the sliding rolling wheel 301 of chain 302 rotation.Two ends arrange sliding rolling wheel 301 and pull chain 302, the dustcloth 5 at top between the height folding maintenance can stood people.Comparatively big article can be facilitated after crown center dustcloth is opened to lift up into hang out, and can waterproof after closing.The present embodiment, sliding rolling wheel 301 and to pull chain 302 identical with drawing curtain rolling pole, the structure of tow line of roll up curtain, draw and roll up dustcloth process and curtain and draw and lick Cheng Xiangtong, distinguishing and being that dust-proof Bradley licks journey is that horizontal direction pull-up is rolled up, and curtain is that vertical direction draws volume.
The contact jaw of left dustcloth and right dustcloth is provided with thread gluing.Dustcloth at arch gusset middle slip deciliter, can connect with two pass thread gluing between the two halves of left and right.
Removable door 6 is provided with door curtain 601, the width 20 cm ~ 40cms wider than removable door 6 of door curtain 601, length 30cm ~ 50cm longer than removable door 6.
Door curtain 601 comprise rain repellent silk layer of cloth, dust-proof layer of cloth and folder scrim layer, rain repellent silk layer of cloth, dust-proof layer of cloth and folder scrim layer set gradually, folder scrim layer towards maintenance between body 2 inside arrange.Folder screen cloth is solid, wear-resisting, windproof good, is applicable to the repeatedly dismounting of removable door and the folding repeatedly of door; Rain repellent silk cloth water resistance is good, light wear-resistant.
As shown in Figure 5, door curtain 601 is provided with silk cuff 10, the shirt-circuited end of silk cuff 10 is along the rainproof silk having more 20cm ~ 50cm, and silk cuff 10 is for ventilation, and when not in use, the outer side flanging of cuff can be tightened with rope.
In the present embodiment, removable door 6 there is vertical door curtain, door curtain 601 width 20cm wider than dismounting door 6, length 30cm longer than dismounting door 6, the dustcloth at removable door place centrally line centered by 1.4m and 2.6m two height, offer the silk cuff 10 that diameter is 1.4m, cuff has more 20cm along limit, and the outer side flanging of cuff can be tightened with rope.
Base plate 202b is PVC floor leather, and on-the-spot laying is convenient, not fragile, reusable, convenient for cleaning, and difficult combustion is dust-proof, moistureproof; Sidewall 202a is PC force-bearing plate, meets the requirement of on-the-spot wind loading rating, on-the-spot light.Internal ground material adopts plastic flooring, meets dust-proof, moistureproof, fire-fighting requirements.
Between maintenance, the supporting framework of body 2 is aluminium alloys framework, and composition form is Novel penetrating-rod-type, and ground fixed form is that lower margin supports and adds bolt and fix, the feature light, not easily the burn into life-span is long, section bar is attractive in appearance.Meet requirement that is practical and security performance, reach the requirement of batch production maintenance.
In the present embodiment, bottom surface adopts 5mm to thicken PVC floor leather, and on-the-spot laying is convenient, not fragile, reusable, convenient for cleaning, and difficult combustion is dust-proof, moistureproof.Removable door side PVC is housed and presss from both sides screen cloth (1000D4.5*4.5 yarn) parcel, its excess-three face adopts weather-proof, shock resistance, high transparency PC force-bearing plate as body of wall, the rainproof silk of cuff high strength, 4 main support APS-8-4080L aluminium alloy extrusions of surrounding, all the other auxiliary stands APS-8-4040 aluminium alloy extrusions.There is the soft cloth lengthening and hang low in the long 70cm of bottom bracket at four sides, bottom for sealed bottom.And the 70cm soft cloth lengthened is connected with two pass thread gluing with between dustcloth, is convenient to unpick and wash.Article 4, main support adds the staple of reinforcing rib, securing member, band rope and fixed bottom boundary.
Below be only preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1. between the standard cleaning maintenance of outdoor batch production, it is characterized in that, comprise body (2) between top between maintenance (1) and maintenance;
Between described maintenance, top (1) comprises the gusset (101) of several arches, is placed on body between maintenance (2) after described gusset (101) left and right sides overlaps mutually;
Between described maintenance, body (2) comprises and forms the sidewall (202a) in room, base plate (202b) and end face (202c), and described sidewall (202a) wherein two, after upper extension, support top (1) between overhauling;
Described end face (202c) comprises the framework (3) of hollow structure, lead (4) and dustcloth (5), and described lead (4) is horizontally set on framework (3), and dustcloth (5) can slide along lead (4);
Described sidewall (202a) is provided with removable door (6);
Alarm device (7) is provided with in body (2) between described maintenance;
Described alarm device (7) comprises signal acquisition module, DC-DC power module, collection control circuit, acousto-optic acquisition module, LED display module, alarm module and supplementary lighting module;
Described signal acquisition module, acousto-optic acquisition module, LED display module, alarm module are all connected with collection control circuit, and acousto-optic acquisition module is connected with supplementary lighting module; Described DC-DC power module and signal acquisition module, collect control circuit, acousto-optic acquisition module, LED display module, alarm module, supplementary lighting module be connected, for the assembly of alarm device (7) provides power supply.
2., between the standard cleaning maintenance of the outdoor batch production of one according to claim 1, it is characterized in that,
The central angle that the arcuation form of the gusset (101) of described arch is corresponding is less than 180 degree, effectively can prevent the upper ponding of gusset (101).
3., between the standard cleaning maintenance of the outdoor batch production of one according to claim 1, it is characterized in that,
Distance between described gusset (101) highest point and end face (202c) is 50cm ~ 80cm.
4. between the standard cleaning maintenance of the outdoor batch production of one according to claim 1, it is characterized in that, described dustcloth (5) comprises left dustcloth and right dustcloth, the dust-proof left and right two halves being separately positioned on end face (202c) of described left dustcloth and the right side;
The left and right sides of described framework (3) is provided with sliding rolling wheel (301), one end of sliding rolling wheel (301) is provided with and pulls chain (302), described left dustcloth is fixedly connected with the sliding rolling wheel (301) of the left and right sides respectively with one end of right dustcloth, can the left dustcloth of drawing and right dustcloth by pulling the sliding rolling wheel (301) of chain (302) rotation.
5. between the standard cleaning maintenance of the outdoor batch production of one according to claim 4, it is characterized in that, the contact jaw of described left dustcloth and right dustcloth is provided with thread gluing.
6., between the standard cleaning maintenance of the outdoor batch production of one according to claim 1, it is characterized in that,
Described removable door (6) is provided with door curtain (601), the width 20 cm ~ 40cms wider than removable door (6) of described door curtain (601), length 30cm ~ 50cm longer than removable door (6).
7., between the standard cleaning maintenance of the outdoor batch production of one according to claim 6, it is characterized in that,
Described door curtain (601) comprise rain repellent silk layer of cloth, dust-proof layer of cloth and folder scrim layer, rain repellent silk layer of cloth, dust-proof layer of cloth and folder scrim layer set gradually, described folder scrim layer towards maintenance between body (2) inside arrange.
8., between the standard cleaning maintenance of the outdoor batch production of one according to claim 6, it is characterized in that,
Described door curtain (601) is provided with silk cuff (10), the shirt-circuited end of described silk cuff (10) is along the rainproof silk having more 20cm ~ 50cm.
9. between the standard cleaning maintenance of the outdoor batch production of one according to claim 6, it is characterized in that, described base plate (202b) is PVC floor leather, and sidewall (202a) is PC force-bearing plate.
10. between the standard cleaning maintenance of the outdoor batch production of one according to claim 1, it is characterized in that, between described maintenance, the supporting framework of body (2) is aluminium alloys framework, and composition form is Novel penetrating-rod-type, and ground fixed form is that lower margin supports and adds bolt and fix.
CN201520280475.0U 2015-05-04 2015-05-04 Between the standard cleaning maintenance of a kind of outdoor batch production Withdrawn - After Issue CN204691328U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104895357A (en) * 2015-05-04 2015-09-09 国家电网公司 Outdoor factory standard purification overhauling room

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104895357A (en) * 2015-05-04 2015-09-09 国家电网公司 Outdoor factory standard purification overhauling room
CN104895357B (en) * 2015-05-04 2017-03-08 国家电网公司 A kind of open air batch production standard cleaning maintenance between

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