CN106193341A - A kind of rubber fastening band positioning attaching clamp device and using method - Google Patents
A kind of rubber fastening band positioning attaching clamp device and using method Download PDFInfo
- Publication number
- CN106193341A CN106193341A CN201610783986.3A CN201610783986A CN106193341A CN 106193341 A CN106193341 A CN 106193341A CN 201610783986 A CN201610783986 A CN 201610783986A CN 106193341 A CN106193341 A CN 106193341A
- Authority
- CN
- China
- Prior art keywords
- fastening band
- rubber fastening
- plate
- rubber
- bolt
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
The invention discloses a kind of rubber fastening band positioning attaching clamp device and using method thereof, stationary fixture device includes reinforced frame, fixation steel plate, rubber fastening band and waterstop fixture, described waterstop fixture includes train wheel bridge and lower plate, on, lower plate and rubber water-proof belt profile is suitable and forms the grasping part to rubber fastening band between two clamping plate, the two ends of train wheel bridge and lower plate are fixedly clamped by screw bolt and nut, the bottom at described lower plate two ends is respectively welded joint steel pipe, joint steel pipe away from lower plate one end with regulation bolt welding, fix vertical with reinforcing bar fixed mount of described fixation steel plate is connected, the centre of fixation steel plate is provided with bolt hole, described regulation bolt is arranged on fixation steel plate by double adjusting nuts.This grip device can realize fixedly securing rubber fastening band and being accurately positioned in the case of not destroying rubber water-proof band structure, ensures the stagnant water effect of rubber fastening band simultaneously.
Description
Technical field
The present invention relates to a kind of construction material installation tool, be specially a kind of rubber fastening band positioning attaching clamp dress
Put and using method.
Background technology
China's great majority building has waterproof requirement, at present frequently with arranging rubber fastening band at construction joint as waterproof
Measure.The fixing means of conventional rubber fastening band has two kinds, and one is to utilize additional bar to fix, and two is to utilize galvanized wire and template
Fixing, use both approaches installation waterstop to need to do perforation on waterstop and burrow, perforation procedure easily causes waterstop
Tear, waterstop is once torn, it is not necessary to the biggest external force breach will expand, and affects stagnant water effect.And do not bore a hole and can make
Obtain waterstop fixing firm not, do not have good stagnant water effect equally.
In prior art, owing to not having special fixture that rubber fastening band is fixed, if waterstop is at concrete
Casting process is subjected to displacement, it will destroy or reduce the sealing effect of waterstop, easily causes architecture construction seam position to ooze
The phenomenon that water leaks occurs.When employing has destructive galvanized wire or nail is fixed rubber fastening band, easily cause
Waterstop tears, and damages effective waterproof position, and the stagnant water effect of destroyed waterstop will be had a greatly reduced quality.
Summary of the invention
The present invention is directed to problem present in above-mentioned rubber fastening band fixation procedure, it is provided that a kind of rubber fastening band location is solid
Determine grip device and using method thereof, it is possible in the case of not destroying rubber water-proof band structure, realize the jail to rubber fastening band
Gu fix and be accurately positioned, ensure the stagnant water effect of rubber fastening band simultaneously.
For achieving the above object, the present invention is by the following technical solutions:
A kind of rubber fastening band positioning attaching clamp device, including reinforced frame, fixation steel plate, rubber fastening band and waterstop
Fixture, fixation steel plate and reinforced frame colligation or be welded as a whole.Described waterstop fixture includes train wheel bridge and lower plate, train wheel bridge
And form the grasping part to rubber fastening band between lower plate and rubber fastening band match profiles and two clamping plate, play fixing only
The effect of water band.The two ends of described train wheel bridge and lower plate are fixedly clamped by screw bolt and nut, and the bottom at lower plate two ends is divided
Be not welded with joint steel pipe, joint steel pipe away from lower plate one end with regulation bolt welding.Described fixation steel plate is solid with reinforcing bar
Determining frame vertically fixing connection, the centre of fixation steel plate is provided with bolt hole, and described regulation bolt is arranged on by double adjusting nuts
On fixation steel plate.Use waterstop fixture that rubber fastening band is fixed, can avoid in tradition waterstop fixing means only
Water brings the waterstop tear problem that eleven punch 11 causes into, is conducive to keeping the sealing performance of waterstop.
For ensureing the waterproof effect of rubber fastening band, the train wheel bridge of this stationary fixture and lower plate include being positioned at two ends respectively
Clamping part and clamping part between waterproof portion, described clamping part is the galvanized steel plain sheet suitable with rubber fastening band two side profile
Making, to ensure the fixed clamp effect of fixture, waterproof portion is that rubber pattern is made, to ensure the waterproof effect of fixture, clamping part
Adhesive is used to connect as one with waterproof portion.
The length of described lower plate clamping part is more than the length of train wheel bridge clamping part, and the bottom of lower plate clamping part is welded on
On described joint steel pipe, convenient installation.Described pair of adjusting nut includes that inner nut and outer nut, inside and outside nut are respectively arranged at
Adjusting screw rod and the both sides of fixation steel plate junction, use double adjusting nut to be fixed fixture, can regulate rubber by nut
The position of glue waterstop, it is achieved being accurately positioned of rubber fastening band.
The using method of a kind of rubber fastening band positioning attaching clamp device, comprises the following steps:
(1) according to rubber fastening band model, make matched clamp: make identical with rubber fastening band lateral profile upper,
Lower plate, the two ends of upper and lower clamping plate use galvanized steel plain sheet, and the mid portion of upper and lower clamping plate uses rubber membrane, galvanized steel plain sheet and rubber
Glued membrane uses adhesive to connect；
(2) assemble fixture: by the galvanized steel plain sheet at lower plate two ends respectively with round steel firm welding, round steel is away from galvanized steel plain sheet
One end and regulation bolt welding, fixation steel plate is set in the both sides of fixture correspondence position, fixation steel plate and reinforced frame colligation or
Welding, bolt hole is left in the centre of fixation steel plate, and the two ends of upper and lower clamping plate galvanized steel plain sheet are drilled with bolt hole；
(3) installing fixture: install fixture in rubber fastening band appropriate location, the upper and lower clamping plate of fixture use bolt and spiral shell
Female fixing, bolt can not tighten, in order to the movement that rubber fastening band is follow-up, and regulation bolt position determines according to field condition, Gu
The both sides determining steel plate bolt hole are separately provided for regulating the adjusting nut of bolt position；
(4) rubber fastening band location and fixing: treat that rubber fastening band places smooth, location confirmation, the fixing standard of chucking position
After Que, rubber fastening band position is fixed by the bolt tightening galvanized steel plain sheet two ends, and the adjusting nut of regulation fixation steel plate both sides can
It is adjusted the regulation of bolt position, and then drives the movement of rubber fastening band position, it is achieved being accurately positioned of rubber fastening band.
The invention provides a kind of rubber fastening band positioning attaching clamp device and using method thereof, by using above-mentioned skill
Art scheme, the present invention achieves following beneficial effect:
1, the present invention uses rubber fastening band positioning attaching clamp to be fixed rubber fastening band, can effectively solve existing
In the waterstop fixing means perforation waterstop fixing waterstop caused that burrows easily tears problem, and passes through stationary fixture
The clamping engagement of upper lower plate, makes rubber fastening band fixation, is prevented effectively from waterstop and occurs in concreting process
Displacement, is conducive to keeping the sealing performance of waterstop.
2, the upper and lower clamping plate of stationary fixture are respectively provided with the clamping part at two ends and the waterproof portion of centre, clamping part use with
The galvanized steel plain sheet that rubber fastening band two side profile is adaptive, can fully ensure that the fixed clamp performance of fixture so that rubber fastening band
Fixedly securing, waterproof portion uses waterproof rubber pattern, it is ensured that the waterproof effect of fixture, strengthens the sealing of rubber fastening band
Energy.
3, the end of stationary fixture is provided with regulation bolt, and regulation bolt and fixation steel plate use double adjusting nut to fix,
Realized the regulation of stationary fixture position by the position of double adjusting nuts adjustment regulation bolt, and then realize rubber fastening band position
Regulation, reach being accurately positioned of rubber fastening band.
4, this apparatus structure is simple, fixing easy to connect, does not has complicated valuable components and parts, it is easy to processing and manufacturing, uses
Low cost.
Accompanying drawing explanation
Fig. 1 is schematic diagram after rubber fastening band positioning attaching clamp of the present invention is installed；
Fig. 2 is schematic diagram before rubber fastening band positioning attaching clamp of the present invention is installed；
Reference: 1-reinforced frame, 2-fixation steel plate, 3-rubber fastening band, 4-waterstop fixture, 5-train wheel bridge, on 51-
Clamping plate clamping part, the waterproof portion of 52-train wheel bridge, 6-lower plate, 61-lower plate clamping part, the waterproof portion of 62-lower plate, 7-connects steel
Pipe, 8-regulates bolt, 9-adjusting nut.
Detailed description of the invention
A kind of rubber fastening band positioning attaching clamp device of with embodiment, the present invention being proposed below in conjunction with the accompanying drawings and
Using method is described in more detail.
As shown in Figure 1-2, the rubber fastening band positioning attaching clamp device of the present invention, including reinforced frame 1, fixation steel plate 2,
Rubber fastening band 3 and waterstop fixture 4, fixation steel plate 2 and reinforced frame 1 colligation or be welded as a whole.Waterstop fixture 4 includes
Clamping plate 5 and lower plate 6, the profile of upper and lower clamping plate and rubber fastening band 3 is suitable and formed rubber fastening band between two clamping plate
Grasping part, upper and lower clamping plate by rubber fastening band clamp, play the effect of fixing rubber fastening band 3.Train wheel bridge and lower plate
Two ends be fixedly clamped by screw bolt and nut, the bottom at lower plate two ends is respectively welded joint steel pipe 7, and joint steel pipe 7 is remote
Weld with regulation bolt 8 from one end of lower plate.Fix vertical with reinforced frame 1 of fixation steel plate 2 is connected, the centre of fixation steel plate 2
Being provided with bolt hole, regulation bolt 8 is arranged on fixation steel plate by double adjusting nuts.Use waterstop fixture to rubber water-proof
Band is fixed, and can avoid bores a hole to waterstop in tradition waterstop fixing means burrows the fixing waterstop caused tear
Problem, and by the clamping engagement of the upper and lower clamping plate of stationary fixture, make rubber fastening band fixation, be conducive to keeping waterstop
Sealing performance.
As in figure 2 it is shown, the train wheel bridge 5 of stationary fixture includes train wheel bridge clamping part 51 and the train wheel bridge of centre being positioned at two ends
Waterproof portion 52, corresponding with train wheel bridge, lower plate 6 includes that the lower plate of lower plate the clamping part 61 and centre being positioned at two ends is waterproof
Portion 62.The galvanized steel plain sheet that train wheel bridge clamping part and lower plate clamping part are suitable with rubber fastening band two side profile is made, with
Ensureing the fixed clamp effect of fixture, the waterproof portion of train wheel bridge and the waterproof portion of lower plate are that rubber pattern is made, to ensure the anti-of fixture
Water effect, train wheel bridge clamping part and the waterproof portion of train wheel bridge, lower plate clamping part and the waterproof portion of lower plate are connected as by adhesive
Integrally, while ensureing the waterproof effect of fixture, strengthen the sealing performance of rubber fastening band.
Installing for convenience of device, the length of lower plate clamping part 61 is pressed from both sides more than the length of train wheel bridge clamping part 51, lower plate
The bottom holding portion 61 is welded on joint steel pipe 7.Described pair of adjusting nut 8 includes inner nut and outer nut, and inside and outside nut is respectively
It is arranged at the both sides of regulation bolt 8 and fixation steel plate 2 junction, uses double adjusting nut that fixture is fixed, can be by double
The position of adjusting nut adjustment regulation bolt 8 realizes the regulation of stationary fixture position, and then realizes the tune of rubber fastening band 3 position
Joint, reaches being accurately positioned of rubber fastening band.
The specifically used method of above-mentioned rubber fastening band positioning attaching clamp device is:
(1) according to rubber fastening band model, make matched clamp: make identical with rubber fastening band lateral profile upper,
Lower plate, the two ends of upper and lower clamping plate use the galvanized steel plain sheet that 1mm is thick, wide for 50mm, and the mid portion of upper and lower clamping plate uses rubber
Film, galvanized steel plain sheet and rubber membrane use adhesive to connect；
(2) assemble fixture: by the galvanized steel plain sheet at lower plate two ends respectively with Φ 8 round steel firm welding, round steel is away from zinc-plated
One end of steel plate and regulation bolt welding, arrange fixation steel plate in the both sides of fixture correspondence position, and the width of fixation steel plate is
50mm, fixation steel plate and reinforced frame colligation or weld, bolt hole is left in the centre of fixation steel plate, upper and lower clamping plate galvanized steel plain sheet
Two ends are drilled with bolt hole；
(3) installing fixture: install fixture in rubber fastening band appropriate location, the upper and lower clamping plate of fixture use bolt and spiral shell
Female fixing, bolt can not tighten, in order to the movement that rubber fastening band is follow-up, and regulation bolt position determines according to field condition, Gu
The both sides determining steel plate bolt hole are separately provided for regulating the adjusting nut of bolt position；
(4) rubber fastening band location and fixing: treat that rubber fastening band places smooth, location confirmation, the fixing standard of chucking position
After Que, rubber fastening band position is fixed by the bolt tightening galvanized steel plain sheet two ends, and the adjusting nut of regulation fixation steel plate both sides can
It is adjusted the regulation of bolt position, and then drives the movement of rubber fastening band position, it is achieved being accurately positioned of rubber fastening band.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (7)
1. a rubber fastening band positioning attaching clamp device, presss from both sides including reinforced frame, fixation steel plate, rubber fastening band and waterstop
Tool, it is characterised in that described waterstop fixture includes that train wheel bridge and lower plate, upper and lower clamping plate are fitted mutually with rubber water-proof belt profile
Join and between two clamping plate, form the two ends of the grasping part to rubber fastening band, train wheel bridge and lower plate and pressed from both sides by screw bolt and nut
Fastening, the bottom at described lower plate two ends is respectively welded joint steel pipe, and joint steel pipe is away from one end of lower plate and regulation
Bolt welding, fix vertical with reinforcing bar fixed mount of described fixation steel plate is connected, and the centre of fixation steel plate is provided with bolt hole, described
Regulation bolt is arranged on fixation steel plate by double adjusting nuts.
A kind of rubber fastening band positioning attaching clamp device the most according to claim 1, it is characterised in that described train wheel bridge
Include clamping part and the waterproof portion of centre being positioned at two ends respectively with lower plate, described clamping part is and rubber fastening band two side wheel
Wide suitable galvanized steel plain sheet is made, and waterproof portion is that the rubber pattern with water-proof function is made.
A kind of rubber fastening band positioning attaching clamp device the most according to claim 2, it is characterised in that described clamping part
Adhesive is used to connect as one with waterproof portion.
A kind of rubber fastening band positioning attaching clamp device the most according to claim 2, it is characterised in that described lower plate
The length of clamping part is more than the length of train wheel bridge clamping part, and the bottom of lower plate clamping part is welded on described joint steel pipe.
A kind of rubber fastening band positioning attaching clamp device the most according to claim 1, it is characterised in that described double regulations
Nut includes that inner nut and outer nut, inside and outside nut are respectively arranged at the both sides of adjusting screw rod and fixation steel plate junction.
A kind of rubber fastening band positioning attaching clamp device the most according to claim 1, it is characterised in that described fixing steel
Plate and reinforced frame colligation or be welded as a whole.
7. the using method of a rubber fastening band positioning attaching clamp device, it is characterised in that comprise the steps:
(1) according to rubber fastening band model, matched clamp is made: make the upper and lower folder identical with rubber fastening band lateral profile
Plate, the two ends of upper and lower clamping plate use galvanized steel plain sheet, and the mid portion of upper and lower clamping plate uses rubber membrane, galvanized steel plain sheet and rubber membrane
Employing adhesive connects as one；
(2) assemble fixture: by the galvanized steel plain sheet at lower plate two ends respectively with round steel firm welding, round steel is away from the one of galvanized steel plain sheet
End and regulation bolt welding, arrange fixation steel plate in the both sides of fixture correspondence position, fixation steel plate and reinforced frame colligation or weld,
Bolt hole is left in the centre of fixation steel plate, and the two ends of upper and lower clamping plate galvanized steel plain sheet are drilled with bolt hole；
(3) installing fixture: install fixture in rubber fastening band appropriate location, the upper and lower clamping plate of fixture use bolts and nuts solid
Fixed, bolt can not tighten, in order to the movement that rubber fastening band is follow-up, and regulation bolt position determines according to field condition, fixing steel
The both sides in crab bolt hole are separately provided for regulating the adjusting nut of bolt position；
(4) rubber fastening band location and fixing: until rubber fastening band place smooth, location confirmation, chucking position fixing accurately after,
Rubber fastening band position is fixed by the bolt tightening galvanized steel plain sheet two ends, and the adjusting nut of regulation fixation steel plate both sides can be adjusted
The regulation of joint bolt position, and then drive the movement of rubber fastening band position, it is achieved being accurately positioned of rubber fastening band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783986.3A CN106193341B (en) | 2016-08-31 | 2016-08-31 | A kind of rubber fastening band positioning attaching clamp device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783986.3A CN106193341B (en) | 2016-08-31 | 2016-08-31 | A kind of rubber fastening band positioning attaching clamp device and application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106193341A true CN106193341A (en) | 2016-12-07 |
| CN106193341B CN106193341B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610783986.3A Active CN106193341B (en) | 2016-08-31 | 2016-08-31 | A kind of rubber fastening band positioning attaching clamp device and application method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996843A (en) * | 2017-05-05 | 2017-08-01 | 哈电集团（秦皇岛）重型装备有限公司 | HTGR steam (vapor) outlet connecting tube pipe clamp pretightening force measuring apparatus and method |
| CN110499781A (en) * | 2019-09-12 | 2019-11-26 | 成都交投建筑工业化有限公司 | Electric power piping lane tube coupling sealing section molding die and electric power piping lane tube coupling forming method |
| CN114016467A (en) * | 2021-11-30 | 2022-02-08 | 杭州萧山水利建筑工程有限公司 | Dyke bank protection parting rubber waterstop positioner |
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| CN2446192Y (en) * | 2000-09-27 | 2001-09-05 | 全日升工程有限公司 | Protecting structure of waterstop |
| CN2523820Y (en) * | 2001-11-10 | 2002-12-04 | 孙建华 | Rubber water stop belts |
| FR2896846A1 (en) * | 2006-02-01 | 2007-08-03 | Hutchinson Sa | JOINT FOR SEALING IN THE FIELD OF THE AUTOMOTIVE INDUSTRY OR BUILDING FOR EXAMPLE. |
| CN201209276Y (en) * | 2008-05-27 | 2009-03-18 | 葛加君 | Water stop tie fixation anchorage at building slot position |
| CN101781885A (en) * | 2010-03-12 | 2010-07-21 | 中国水电顾问集团中南勘测设计研究院 | Composite rubber water stop tape and slope sticking type water stop structure |
| CN204112507U (en) * | 2014-09-03 | 2015-01-21 | 中铁十五局集团有限公司 | The joint connecting structure of buried rubber watertight strip in a kind of |
| CN206000033U (en) * | 2016-08-31 | 2017-03-08 | 山东电力建设第一工程公司 | A kind of rubber fastening band positioning attaching clamp device |
-
2016
- 2016-08-31 CN CN201610783986.3A patent/CN106193341B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2446192Y (en) * | 2000-09-27 | 2001-09-05 | 全日升工程有限公司 | Protecting structure of waterstop |
| CN2523820Y (en) * | 2001-11-10 | 2002-12-04 | 孙建华 | Rubber water stop belts |
| FR2896846A1 (en) * | 2006-02-01 | 2007-08-03 | Hutchinson Sa | JOINT FOR SEALING IN THE FIELD OF THE AUTOMOTIVE INDUSTRY OR BUILDING FOR EXAMPLE. |
| CN201209276Y (en) * | 2008-05-27 | 2009-03-18 | 葛加君 | Water stop tie fixation anchorage at building slot position |
| CN101781885A (en) * | 2010-03-12 | 2010-07-21 | 中国水电顾问集团中南勘测设计研究院 | Composite rubber water stop tape and slope sticking type water stop structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996843A (en) * | 2017-05-05 | 2017-08-01 | 哈电集团（秦皇岛）重型装备有限公司 | HTGR steam (vapor) outlet connecting tube pipe clamp pretightening force measuring apparatus and method |
| CN106996843B (en) * | 2017-05-05 | 2023-02-28 | 哈电集团（秦皇岛）重型装备有限公司 | High-temperature gas cooled reactor steam outlet connecting pipe clamp pretightening force measuring device and method |
| CN110499781A (en) * | 2019-09-12 | 2019-11-26 | 成都交投建筑工业化有限公司 | Electric power piping lane tube coupling sealing section molding die and electric power piping lane tube coupling forming method |
| CN114016467A (en) * | 2021-11-30 | 2022-02-08 | 杭州萧山水利建筑工程有限公司 | Dyke bank protection parting rubber waterstop positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106193341B (en) | 2018-08-07 |
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Address after: 250000 No. 244 industrial North Road, Ji'nan, Shandong. Patentee after: SEPCO1 ELECTRIC POWER CONSTRUCTION CORPORATION Co.,Ltd. Address before: 250131 No. 244 Industrial North Road, Jinan City, Shandong Province Patentee before: SEPCO1 ELECTRIC POWER CONSTRUCTION Corp. |
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Address after: No.6 building, zone 2, Hanyu financial and business center, hi tech Zone, Jinan City, Shandong Province Patentee after: SEPCO1 ELECTRIC POWER CONSTRUCTION CORPORATION Co.,Ltd. Address before: 250000 No. 244 industrial North Road, Ji'nan, Shandong. Patentee before: SEPCO1 ELECTRIC POWER CONSTRUCTION CORPORATION Co.,Ltd. |
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