CN103542841A - Multi-line laser with convenience in installation and debugging - Google Patents
Multi-line laser with convenience in installation and debugging Download PDFInfo
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- CN103542841A CN103542841A CN201310421647.7A CN201310421647A CN103542841A CN 103542841 A CN103542841 A CN 103542841A CN 201310421647 A CN201310421647 A CN 201310421647A CN 103542841 A CN103542841 A CN 103542841A
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- 238000009434 installation Methods 0.000 title abstract description 19
- 238000009966 trimming Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 9
- 238000013016 damping Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Manufacturing & Machinery (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a multi-line laser with convenience in installation and debugging. The multi-line laser comprises a body, wherein the body comprises a vertical laser base; four concave laser installation slots are sequentially distributed in the top end of the vertical laser base in a manner of spaced 90 degrees, and a slot cover is arranged above the vertical laser base; a V-shaped slot or trapezoid-shaped slot is formed in the slot cover relative to each laser installation slot; the vertical laser of the line laser is arranged between the laser installation slot and the V-shaped slot or trapezoid-shaped slot; the vertical laser base and the slot cover are two parts, and can be integrally molded through dies in production, namely, when the multi-line laser is produced, the four concave laser installation slots which are sequentially distributed in the vertical laser base in a manner of spaced 90 degrees and the V-shaped or trapezoid-shaped slot covers arranged relative to the laser installation slots can be respectively molded integrally through dies, so that the production process of the multi-line laser is relatively simple and convenient, the precision is easily guaranteed, and cost is low.
Description
The application divides an application, the application number of original application: 2011101096328, and invention and created name: multi-line laser leveling instrument, the applying date: 2011-4-29.
Technical field
The present invention relates to a kind of multi-line laser leveling instrument.
Background technology
The body of existing multi-line laser leveling instrument comprises: vertical laser seat and be located at the horizontal laser of vertical laser seat middle part one side in short transverse, at the top of vertical laser seat, be evenly equipped with the four groups of vertical laser that can launch perpendicular line, angle between adjacent perpendicular line is 90 °, and for actual observation, particularly the benchmark calibration under complicated construction environment and laying and the acceptance of work of pipe-networks engineering provide convenience.
The weak point of above-mentioned frame for line marking instrument of the prior art is:
1), in the production run of described frame for line marking instrument, the four groups of laser instruments that can launch perpendicular line are mounted respectively in the mounting groove (circle hole groove) of vertical laser seat, angle between each mounting groove is 90 °, because the vertical laser seat of this shape cannot pass through mould one-shot forming, need to be by machine or manually complete finishing, to guarantee the precision of each mounting groove, so its difficulty of processing is large, cost is higher and precision Customers ' Legal Right, the stability of product quality is lower.
2), frame for line marking instrument main body top is movably connected on a suspension holdfast, because horizontal laser is located at middle part one side of vertical laser seat, causes the body center of gravity of frame for line marking instrument to be offset.For this reason, prior art is provided with the counterweight for horizontal laser described in balance at the opposite side of vertical laser seat, so that vertical laser seat is in plumbness.And counterweight generally adopts metal to make, cause production cost higher, and corresponding Installation and Debugging step is more loaded down with trivial details.
3), the body of multi-line laser leveling instrument is arranged on base by single-revolution seat, is combined with damping ring plate between revolving bed and base, assembling is complicated, once and the inefficacy of described damping ring plate, just cannot realize fine adjustment function, reliability is lower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multi-line laser leveling instrument simple in structure, with low cost, and its body has Installation and Debugging conveniently and processing and the easy feature ensureing of installation accuracy.
In order to solve the problems of the technologies described above, the invention provides a kind of multi-line laser leveling instrument and comprise body, this body comprises: vertical laser seat, the top of this vertical laser seat is provided with the laser instrument mounting groove of four concave shapes of alternate 90 ° of distributions successively, and the top of this vertical laser seat is provided with groove lid; At this groove, cover be provided with V-type groove or dovetail groove relative to each laser instrument mounting groove; The vertical laser of frame for line marking instrument is located between described laser instrument mounting groove and described V-type groove or dovetail groove.
For convenience of Installation and Debugging, the vertical line degree adjusting bolt hole that the bottom surface of described laser instrument mounting groove is provided with a carrying bolt hole and is located at these both sides, the place ahead, carrying bolt hole; In carrying bolt hole, be provided with for supporting the carrying bolt of the trunk portion of described vertical laser, in each vertical line degree adjusting bolt hole, be provided with for regulating the vertical line degree adjusting bolt of the vertical line degree of described vertical laser Output of laser.
Regulate for convenience the direction of each vertical laser Output of laser, on the side of described laser instrument mounting groove, be respectively equipped with direction adjusting bolt hole, in all directions adjusting bolt hole, be provided with for regulating the direction adjusting bolt of described vertical laser Output of laser.
The present invention further provides a kind of without adopting counterweight can make the multi-line laser leveling instrument of vertical laser seat in plumbness, it comprises body gravity center adjustment mechanism, and this body gravity center adjustment mechanism comprises: be located at the vertical laser seat top of frame for line marking instrument a pair of bearing pin mount pad, be located at this to the bearing pin on bearing pin mount pad, the suspension holdfast that is rotatably connected on balancing shaft on this bearing pin, is rotationally connected with the two ends of this balancing shaft; The axis of the horizontal laser on the axis of described bearing pin and described vertical laser seat be arranged in parallel; When assembling, the body center of gravity line of the intersection point of the axis of the axis of bearing pin and balancing shaft and frame for line marking instrument is intersected, the body barycentre offset of frame for line marking instrument can be adjusted to zero.
Further, the axis of described bearing pin and the axis of described horizontal laser intersect with the vertical center line of described vertical laser seat simultaneously, to guarantee the balance of bearing pin both sides.
Further, the top end face of the bearing pin mount pad on described vertical laser seat is provided with the bolt for fixing described bearing pin.When Installation and Debugging, only the body center of gravity line of the intersection point of the axis of the axis of bearing pin and balancing shaft and frame for line marking instrument need be intersected, at once the body barycentre offset of frame for line marking instrument is adjusted to zero, now, again with the fixing described bearing pin of bolt, complete installation.
The base fine-adjustment mechanism that the present invention further provides the convenient and good multi-line laser leveling instrument of reliability of a kind of with low cost, Installation and Debugging, it comprises: concentricity axle is base, fine tuning dish and revolving bed setting up and down successively; Fine tuning dish is provided with the non-rectangular channel radially arranging; The central authorities of described base are provided with circular trough, the madial wall of this circular trough is provided with a chute, in this chute, be provided with trimming bolt and the slide block of threaded engagement each other, the outboard end of trimming bolt extends the sidewall of described circular trough, and the top of described slide block extends in the rectangular channel on described fine tuning dish.
Further, for guaranteeing when finely tuning, fine tuning dish is suitable for, around described central shaft rotation, being provided with a plurality of around the equally distributed column of described central shaft in described circular trough; On fine tuning dish, be also provided with around described central shaft be uniformly distributed and with the described column fan looping pit of corresponding setting one by one, and each column extends corresponding fan looping pit.
Further, for guaranteeing to have moderate damping force between described fine tuning dish and base, to guarantee the stability of fine setting, between described fine tuning dish and revolving bed, be provided with fixed ring piece, this fixed ring piece is provided with the mounting hole that the top with described column is bolted.
Technique scheme of the present invention has the following advantages compared to existing technology: in the body of (1) multi-line laser leveling instrument of the present invention, vertical laser seat and groove lid are two parts, and during production, it can distinguish one-shot forming by mould; That is: when producing, the V-type groove that the laser instrument mounting groove of four concave shapes of the alternate 90 ° of distributions successively on vertical laser seat and having is oppositely arranged with each laser instrument mounting groove or the groove of dovetail groove lid, can distinguish one-shot forming by mould, so its production technology is relatively simple and convenient, precision easily ensures and with low cost.During use, only the vertical laser of frame for line marking instrument need be located between described laser instrument mounting groove and described V-type groove or dovetail groove, and debug by the bolt of 5 diverse locations, can guarantee service precision.(2) a pair of bearing pin mount pad on vertical laser seat top is movably connected on the support consisting of described balancing shaft and suspension holdfast by a bearing pin.The body center of gravity line of the intersection point of the axis of bearing pin and the axis of balancing shaft and frame for line marking instrument intersects, therefore when assembling, be suitable for the body barycentre offset of frame for line marking instrument to be adjusted to zero, without adopting counterweight to adjust body barycentre offset, reduced production cost, facilitated installation and debugging simultaneously.(3) when carrying out the angular setting of frame for line marking instrument, first by directly rotate back to swivel base to roughly towards mode complete coarse adjustment, then by rotary fine adjustment bolt, adjust the position of slide block, and then drive fine tuning dish trace to rotate, and drive revolving bed trace rotation, until stop while arriving corresponding angle.Due in coarse adjustment process, the bottom of revolving bed only with fine tuning dish generation kinetic friction; In trim process, only fine tuning dish and base edge generation kinetic friction, the problem that it does not exist damping to lose efficacy; Once therefore solve damping ring plate of the prior art, lost efficacy, just cannot realize the defect of fine adjustment function, guaranteed its reliability.And base fine-adjustment mechanism of the present invention is simple in structure, with low cost, there is Installation and Debugging feature easily simultaneously.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the body of the multi-line laser leveling instrument in the present invention;
Fig. 2 is the structural representation of the body of the multi-line laser leveling instrument in the present invention;
Fig. 3 is the structural representation of the base fine-adjustment mechanism of the multi-line laser leveling instrument in the present invention.
Embodiment
See Fig. 1, the body of the multi-line laser leveling instrument of the present embodiment comprises: vertical laser seat 1, the top of this vertical laser seat 1 is provided with the laser instrument mounting groove 1-1 of four concave shapes of alternate 90 ° of distributions successively, and the top of this vertical laser seat 1 is fixed with groove lid 2; Be provided with V-type groove or dovetail groove 2-1 relative to each laser instrument mounting groove 1-1 on this groove lid 2; The vertical laser 3 of frame for line marking instrument is located between described laser instrument mounting groove 1-1 and described V-type groove or dovetail groove 2-1.
The vertical line degree adjusting bolt hole 1-3 that the bottom surface of described laser instrument mounting groove 1-1 is provided with a carrying bolt hole 1-2 and is located at these both sides, 1-2 the place ahead, carrying bolt hole; In the 1-2 of carrying bolt hole, be provided with for supporting the carrying bolt of 3-1 of the trunk portion of described vertical laser 3, in each vertical line degree adjusting bolt hole 1-3, be provided with for regulating the vertical line degree adjusting bolt of the vertical line degree of described vertical laser 3 Output of lasers.
On the side of described laser instrument mounting groove 1-1, be respectively equipped with direction adjusting bolt hole 1-4, in all directions adjusting bolt hole 1-4, be provided with for regulating the direction adjusting bolt of described vertical laser 3 Output of lasers.
See Fig. 2, the gravity centre adjustment mechanism of multi-line laser leveling instrument comprises: be located at vertical laser seat 1 top of frame for line marking instrument a pair of bearing pin mount pad 12, be located at this to the bearing pin on bearing pin mount pad 12, the suspension holdfast 15 that is rotatably connected on balancing shaft 14 on this bearing pin, is rotationally connected with the two ends of this balancing shaft 14; The axis of horizontal laser 11-1 on the axis of described bearing pin and described vertical laser seat 1 be arranged in parallel; When assembling, only the body center of gravity line of the intersection point of the axis of the axis of described bearing pin and balancing shaft 14 and frame for line marking instrument need be intersected, the body barycentre offset of frame for line marking instrument can be adjusted to zero.
The axis of described bearing pin and the axis of described horizontal laser 11-1 intersect with the vertical center line of described vertical laser seat 1 simultaneously.
The top end face of the bearing pin mount pad 12 on described vertical laser seat 1 is provided with the bolt 12-1 for fixing described bearing pin.When Installation and Debugging, only the body center of gravity line of the intersection point of the axis of the axis of bearing pin and balancing shaft and frame for line marking instrument need be intersected, at once the body barycentre offset of frame for line marking instrument is adjusted to zero, now, again with the fixing described bearing pin of bolt, complete installation.
See Fig. 3, the base fine-adjustment mechanism of multi-line laser leveling instrument comprises: concentricity axle is base 21, fine tuning dish 22 and revolving bed 23 setting up and down successively.
As best embodiment, the angle of the warp of rectangular channel 22-2 and fine tuning dish 22 is 10 °-30 °, to facilitate trimming bolt 21-4 to control the rotation of fine tuning dish 22 by slide block 21-5.
In described circular trough 21-1, be provided with three around the equally distributed column 21-2 of described central shaft; On fine tuning dish 22, be also provided with around described central shaft be uniformly distributed and with the described column 21-2 fan looping pit 22-1 of corresponding setting one by one, and each column 21-2 extends corresponding fan looping pit 22-1.
Between described fine tuning dish 22 and revolving bed 23, be provided with fixed ring piece 24, this fixed ring piece 24 is provided with the mounting hole 24-1 that the top with described column 21-2 is bolted.
The central authorities of described fine tuning dish 22 are provided with annular protrusion 22-4, are provided with a plurality of bolt erection column 22-3 in this annular protrusion 22-4.
The central authorities of described revolving bed 23 are provided with circular fitting recess 23-1, the bottom center of this circle fitting recess 23-1 is provided with mounting hole 23-2, annular protrusion 22-4 on described fine tuning dish 22 is suitable for extending this mounting hole 23-2, in this circle fitting recess 23-1, be provided with the banking stop 25 that a diameter is greater than described mounting hole 23-2, the end face of each bolt erection column 22-3 on described annular protrusion 22-4 is connected with described banking stop 25 through bolt, thereby base 21, fine tuning dish 22 and revolving bed 23 are linked into an integrated entity.Revolving bed 23 can carry out 360 ° relative to fine tuning dish 22 and base 21 and rotate, and fine tuning dish 22 is length and the determining positions thereof by described rectangular channel 22-2 with respect to the rotation amount of base 21.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (1)
1. a multi-line laser leveling instrument, is characterized in that comprising: body; This body comprises: vertical laser seat (1), and the top of this vertical laser seat (1) is provided with the laser instrument mounting groove (1-1) of four concave shapes of alternate 90 ° of distributions successively, and the top of this vertical laser seat (1) is provided with groove lid (2); At upper be provided with V-type groove or the dovetail groove (2-1) relative to each laser instrument mounting groove (1-1) of this groove lid (2);
The vertical laser of frame for line marking instrument (3) is located between described laser instrument mounting groove (1-1) and described V-type groove or dovetail groove (2-1);
Described vertical laser seat (1) and groove lid (2) are respectively by mould one-shot forming;
This multi-line laser leveling instrument comprises base fine-adjustment mechanism, and this base fine-adjustment mechanism comprises: concentricity axle is base (21), fine tuning dish (22) and revolving bed (23) setting up and down successively;
Fine tuning dish (22) is provided with the non-rectangular channel (22-2) radially arranging; The central authorities of described base (21) are provided with circular trough (21-1), the madial wall of this circular trough (21-1) is provided with a chute (21-3), in this chute (21-3), be provided with the trimming bolt of threaded engagement (21-4) and slide block (21-5) each other, the outboard end of trimming bolt (21-4) extends the sidewall of described circular trough (21-1), and the top of described slide block (21-5) extends in the rectangular channel (22-2) on described fine tuning dish (22);
The vertical line degree adjusting bolt hole (1-3) that the bottom surface of described laser instrument mounting groove (1-1) is provided with a carrying bolt hole (1-2) and is located at these both sides, the place ahead, carrying bolt hole (1-2); In carrying bolt hole (1-2), be provided with the carrying bolt of the trunk portion (3-1) for supporting described vertical laser (3), in each vertical line degree adjusting bolt hole (1-3), be provided with for regulating the vertical line degree adjusting bolt of the vertical line degree of described vertical laser (3) Output of laser;
In described circular trough (21-1), be provided with a plurality of around the equally distributed column of described central shaft (21-2); On fine tuning dish (22), be also provided with around described central shaft be uniformly distributed and with described column (21-2) the fan looping pit (22-1) of corresponding setting one by one, and each column (21-2) extends corresponding fan looping pit (22-1);
Between described fine tuning dish (22) and revolving bed (23), be provided with fixed ring piece (24), this fixed ring piece (24) is provided with the mounting hole (24-1) that the top with described column (21-2) is bolted;
The central authorities of described fine tuning dish (22) are provided with annular protrusion (22-4), are provided with a plurality of bolt erection columns (22-3) in this annular protrusion (22-4); The central authorities of described revolving bed (23) are provided with circular fitting recess (23-1), the bottom center of this circle fitting recess (23-1) is provided with mounting hole (23-2), annular protrusion (22-4) on described fine tuning dish (22) is suitable for extending this mounting hole (23-2), in this circle fitting recess (23-1), be provided with the banking stop (25) that a diameter is greater than described mounting hole (23-2), the end face of each bolt erection column (22-3) on described annular protrusion (22-4) is connected with described banking stop (25) through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421647.7A CN103542841B (en) | 2011-04-29 | 2011-04-29 | Multi-line laser with convenience in installation and debugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421647.7A CN103542841B (en) | 2011-04-29 | 2011-04-29 | Multi-line laser with convenience in installation and debugging |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110109632 Division CN102261911B (en) | 2011-04-29 | 2011-04-29 | Multi-line laser leveling instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103542841A true CN103542841A (en) | 2014-01-29 |
| CN103542841B CN103542841B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310421647.7A Expired - Fee Related CN103542841B (en) | 2011-04-29 | 2011-04-29 | Multi-line laser with convenience in installation and debugging |
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| Country | Link |
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| CN (1) | CN103542841B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001050086A1 (en) * | 1999-12-29 | 2001-07-12 | Chuying Li | Laser plumbing and leveling instrument which adjusting height of horizontal line |
| CN1532998A (en) * | 2003-03-24 | 2004-09-29 | 上海爱普特仪器有限公司 | Laser positioning fixer |
| CN2784880Y (en) * | 2005-04-13 | 2006-05-31 | 杨俊� | Side wing type connecting mechanism of laser marker |
| CN201359496Y (en) * | 2009-02-27 | 2009-12-09 | 沈建明 | Laser head installing and adjusting mechanism of laser line instrument |
-
2011
- 2011-04-29 CN CN201310421647.7A patent/CN103542841B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001050086A1 (en) * | 1999-12-29 | 2001-07-12 | Chuying Li | Laser plumbing and leveling instrument which adjusting height of horizontal line |
| CN1532998A (en) * | 2003-03-24 | 2004-09-29 | 上海爱普特仪器有限公司 | Laser positioning fixer |
| CN2784880Y (en) * | 2005-04-13 | 2006-05-31 | 杨俊� | Side wing type connecting mechanism of laser marker |
| CN201359496Y (en) * | 2009-02-27 | 2009-12-09 | 沈建明 | Laser head installing and adjusting mechanism of laser line instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103542841B (en) | 2014-12-31 |
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Owner name: JIANG CHUNHUA Free format text: FORMER OWNER: ZHU YAPING Effective date: 20141204 |
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Inventor after: Su Xuan Inventor after: Guo Danlei Inventor after: Chen Qi Inventor after: Zheng Xiuyan Inventor after: Gao Yang Inventor before: Zhu Hanming |
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Free format text: CORRECT: INVENTOR; FROM: ZHU HANMING TO: SU XUAN GUO DANLEI CHEN QI ZHENG XIUYAN GAO YANG Free format text: CORRECT: ADDRESS; FROM: 213000 CHANGZHOU, JIANGSU PROVINCE TO: 211215 NANJING, JIANGSU PROVINCE |
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Effective date of registration: 20141204 Address after: Lishui Economic Development Zone, Nanjing City, Jiangsu province 211215 zhe Ning Road No. 355 Applicant after: Jiang Chunhua Address before: 213000 Jiangsu province Xinbei District of Changzhou City Long Jin Lu Baicao court 26- Ding No. -701 Applicant before: Zhu Yaping |
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Owner name: SHENZHEN CHINASKY LASER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANG CHUNHUA Effective date: 20150803 |
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Inventor after: Li Yang Inventor after: Gao Yang Inventor after: Chen Rujian Inventor after: He Yang Inventor after: Luo Guofu Inventor after: Shu Guoding Inventor after: Su Xuan Inventor after: Guo Danlei Inventor after: Chen Qi Inventor after: Zheng Xiuyan Inventor before: Su Xuan Inventor before: Guo Danlei Inventor before: Chen Qi Inventor before: Zheng Xiuyan Inventor before: Gao Yang |
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Free format text: CORRECT: INVENTOR; FROM: SU XUAN GUO DANLEI CHEN QI ZHENG XIUYAN GAO YANG TO: LI YANG CHEN RUJIAN HE YANG LUO GUOFU SHU GUODING SU XUAN GUO DANLEI CHEN QI ZHENG XIUYAN GAO YANG |
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Effective date of registration: 20150803 Address after: 518000, Guangdong District, Shenzhen City, Henggang District, Longgang street, six community, 1 Street, 3 B1 building, 1-3 floor Patentee after: Sky century laser Science and Technology Ltd. of China of Shenzhen Address before: Lishui Economic Development Zone, Nanjing City, Jiangsu province 211215 zhe Ning Road No. 355 Patentee before: Jiang Chunhua |
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Application publication date: 20140129 Assignee: Sky century laser Science and Technology Ltd. of China of Shenzhen Assignor: Jiang Chunhua Contract record no.: 2015440020260 Denomination of invention: Installation and Debugging are multi-line laser leveling instrument easily Granted publication date: 20141231 License type: Exclusive License Record date: 20150710 |
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Address after: 241000 Anhui Wuhu city Yijiang District high tech Industrial Development Zone Service Outsourcing Industry Park, No. 4 floor, 10 floor 1009 Patentee after: Sky century laser Science and Technology Ltd. of China of Shenzhen Address before: 518000, Guangdong District, Shenzhen City, Henggang District, Longgang street, six community, 1 Street, 3 B1 building, 1-3 floor Patentee before: Sky century laser Science and Technology Ltd. of China of Shenzhen |
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Granted publication date: 20141231 Termination date: 20200429 |