CN208269833U - A kind of eminence component physical size measuring device - Google Patents
A kind of eminence component physical size measuring device Download PDFInfo
- Publication number
- CN208269833U CN208269833U CN201821042249.9U CN201821042249U CN208269833U CN 208269833 U CN208269833 U CN 208269833U CN 201821042249 U CN201821042249 U CN 201821042249U CN 208269833 U CN208269833 U CN 208269833U
- Authority
- CN
- China
- Prior art keywords
- frame
- laser rangefinder
- laser
- expansion bracket
- electric expansion
- 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.)
- Active
Links
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of eminence component physical size measuring devices, including mobile platform, electric expansion bracket, measuring unit and singlechip controller, the top of mobile platform is arranged in electric expansion bracket, measuring unit is fixed at the top of electric expansion bracket, measuring unit includes U-frame frame, the interior Slideslip of U-frame frame is provided with first laser rangefinder, second laser rangefinder and third laser range finder, and first laser rangefinder, second laser rangefinder and third laser range finder pass through driving mechanism and be slidably arranged in U-frame frame.The utility model eminence component physical size measuring device passes through mobile platform and electric expansion bracket, it can accurately and rapidly be matched with the component to be measured of eminence, pass through the first laser rangefinder, second laser rangefinder and third laser range finder being arranged in U-frame frame, convenient, saving manpower can be measured with the sectional dimension information of real-time measurement component to be measured.
Description
Technical field
The utility model relates to construction account technical fields, particularly relate to a kind of eminence component physical size measuring device.
Background technique
With the development of society, the service life of the building of early stage is asymptotic, many houses need to carry out quality testing concurrent
Existing quality problems are to determine the next service condition in house.In addition, many ancient buildings due to long neglected and in disrepair, need to carry out it
A series of modification measures such as reinforcing, this just needs to carry out precise measurement to the size of each component of ancient building, convenient for ancient building
It restores and safety is monitored.However it is difficult accurately in the above-mentioned two actually detected middle structural units that can find eminence
Its size is measured, such as the beam element of eminence.There are the following problems:
In modern and ancient building, there is biggish clear height in some houses, can not be to the similar small size such as beam element on ground
Component carries out accurate high, wide measurement.The measurement method of eminence beam element is at this stage: artificially setting up scaffold, scaffold is high
Spend close to component height when, survey crew with steel ruler complete measure small members size task.The error measured in this way exists
In human error, including measurement error and error in reading；And measurement height is higher.According to national relevant regulations, it is greater than 2m
For high-rise working, safety belt is needed, the protection of numerous safety equipments such as safety cap, action of such people in high vacancy is limited,
And entire scaffold inconvenience movement, transition.It expends a large amount of human and material resources and financial resources, and inefficiency, has biggish safety
Hidden danger.
Utility model content
For the deficiency in above-mentioned background technique, the utility model proposes a kind of eminence component physical size measuring device,
It solves the problems, such as to measure ancient building complicated for operation, measurement accuracy low technical.
The technical solution of the utility model is achieved in that a kind of eminence component physical size measuring device, including moves
The top of mobile platform is arranged in moving platform, electric expansion bracket, measuring unit and singlechip controller, electric expansion bracket,
Measuring unit is fixed at the top of electric expansion bracket, and measuring unit includes U-frame frame, is provided on the inside of U-frame frame
First laser rangefinder, second laser rangefinder and third laser range finder, first laser rangefinder, which slides up and down, to be arranged in U-shaped
The inside of the left side wall of frame, second laser rangefinder slide up and down the inside that the right side wall of U-frame frame is arranged in, third laser
Rangefinder level is slidably arranged in the top of the bottom wall of U frame, and first laser rangefinder, second laser rangefinder and third swash
Optar passes through driving mechanism and is slidably arranged in U-frame frame, and the singlechip controller is connected with power supply unit and leads to
Cross control switch respectively with electric expansion bracket, driving mechanism, first laser rangefinder, second laser rangefinder and third laser
Rangefinder is connected, and first laser rangefinder, second laser rangefinder and third laser range finder are connected by singlechip controller
There is display.
The mobile platform includes support plate, and electric expansion bracket and display are fixedly connected on above support plate,
The quadrangle of support plate is opened up there are four mounting hole, and mounting hole internal screw thread is connected with adjusting stud, is adjusted and is provided with below stud
Universal wheel.
The mobile platform includes support plate, and electric expansion bracket is fixedly connected on above support plate, supports plate
Quadrangle open up there are four mounting hole, mounting hole internal screw thread is connected with adjusting stud, adjusts and is provided with universal wheel below stud.
Horizontal bubble is provided with above the support plate, the stud that adjusts is connected with across the upper semisection of mounting hole
Regulation handle, regulation handle and the adjusting at L-shaped leveling part of stud structure.
The electric expansion bracket includes the mounting base being fixedly connected with support plate, is fixedly installed push rod in mounting base
The fixing end of motor, push-rod electric machine is arranged in mounting base, and the telescopic end of push-rod electric machine is fixedly connected with the U-frame frame, push rod
Motor is connected by lifter switch with singlechip controller.
The upside of the inside of left side wall of the U-frame frame, the inside of right side wall and bottom wall offers sliding groove, described
Driving mechanism includes three electric telescopic rods being fixed in sliding groove, and the fixation of the fixing end of three electric telescopic rods is set
Set in sliding groove, the telescopic end of electric telescopic rod respectively with first laser rangefinder, second laser rangefinder and third laser
Rangefinder is connected, and electric telescopic rod is connect by slide switch with singlechip controller.
Measurement baffle, measurement baffle and U-frame frame are connected with above the left side wall or right side wall of the U-frame frame
Bottom wall it is parallel, measure the free end of baffle and another side wall member of formation import of U-frame frame, the width of member inlet is big
In the maximum width of component to be measured.
The utility model eminence component physical size measuring device passes through mobile platform and electric expansion bracket, Ke Yizhun
Really, it is rapidly matched with the component to be measured of eminence, passes through the first laser rangefinder that is arranged in U-frame frame, second laser
Rangefinder and third laser range finder, can be with the sectional dimension information of real-time measurement component to be measured.The tune being arranged on mobile platform
Save stud cooperate horizontal bubble, can accurately, easily adjust levelness, to guarantee the accurate of laser range finder measurement result
Property.Electric telescopic rod controls each laser range finder movement, and measurement can be made more convenient, in measurement, avoids lifting electricity
Dynamic telescope support also can guarantee that mobile platform is stablized motionless, avoids mobile platform and the mobile when institute band of electric expansion bracket simultaneously
The large error come.Activity setting measurement baffle, the different situations for the component to be measured that can arrange in pairs or groups carry out precise measurement, when structure to be measured
When not having cover board above part, mountable upper measurement baffle makes to measure the top that baffle is pressed in component to be measured；When component to be measured
When there is cover board in top, measurement baffle can be removed, makes the top of U-frame frame and cover board phase apical grafting.The utility model eminence component object
The application method for managing dimension measuring device, can establish coordinate system, can be accurately by the real-time measurement of each laser range finder
Obtain the dimension information of left member side face to be measured, right side and ground side.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that Fig. 1 removes the top view after measurement baffle；
Fig. 3 is the operation chart of embodiment 3；
Fig. 4 is the operation chart of embodiment 4.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, embodiment 1, a kind of eminence component physical size measuring device, including mobile platform 1, electronic stretch
Contracting bracket 2, measuring unit 3 and singlechip controller, singlechip controller are connected with power supply unit.Mobile platform 1 can drive
Other modular levels are mobile, and stretching on vertical direction may be implemented in electric expansion bracket 2, and measuring unit 3 is in 1 He of mobile platform
Matching positioning can be carried out with component 9 to be measured under the drive of electric expansion bracket 2, then measuring unit 3 can carry out component 9 to be measured
Dimensional measurement.
The mobile platform 1 includes support plate 101, and electric expansion bracket 2 is fixedly connected on the upper of support plate 101
Side, the top of support plate 101 are provided with horizontal bubble 102, and the quadrangle of support plate 101 opens up there are four mounting hole, installs
Hole internal screw thread, which is connected with, adjusts stud 103, adjusts and is provided with universal wheel 104 below stud 103, and universal wheel 104 is soft rubber tire,
With decrease of noise functions, the stability and measurement accuracy of extra vibration influence measuring unit 3 generated in moving process is prevented.It is described
It adjusts stud 103 and is connected with regulation handle 105 across the upper semisection of mounting hole, regulation handle 105 and adjusting stud 103 constitute L
Shape levels part.By rotating regulation handle 105, thus it is possible to vary adjust stud 103 and support the relative position of plate 101.Pass through
It adjusts four and adjusts the levelness of the adjustable support plate 101 of stud 103, then the levelness of horizontal bubble 102 is cooperated to indicate,
3 holding of measuring unit can be made horizontal, quickly and easily to guarantee measurement accuracy when measuring component 9 to be measured.
The electric expansion bracket 2 includes the mounting base 201 being fixedly connected with support plate 101, is fixed in mounting base 201
Be provided with push-rod electric machine 202, the fixing end of push-rod electric machine 202 is arranged in mounting base 201,202 telescopic ends of push-rod electric machine with
Measuring unit 3 is fixedly connected, and push-rod electric machine 202 is connected by lifter switch with singlechip controller.It is opened by operating lifting
It closes, the raising and lowering of push-rod electric machine 202 may be implemented, and then measuring unit 3 is driven to carry out lift adjustment.
The measuring unit 3 includes the U-frame frame 30 being fixedly connected with the telescopic end of push-rod electric machine 202, U-frame frame 30
The upside of the inside of left side wall, the inside of right side wall and bottom wall offers sliding groove, sets in the first sliding groove 301 of left side wall
It is equipped with the first laser rangefinder 311 slided up and down, second slided up and down is provided in the second sliding groove 302 of right side wall and is swashed
Optar 312 is provided with third laser range finder 313 in the third sliding groove 303 on the top of bottom wall.First laser rangefinder
311, second laser rangefinder 312 and third laser range finder 313 are connected with display 7 by singlechip controller.The list
Piece machine controller by measurement switch respectively with first laser rangefinder 311, second laser rangefinder 312 and third laser ranging
Instrument 313 is connected, and by operation measurement switch, can control each laser range finder and measures to component 9 to be measured, measurement data
After the storage of singlechip controller, calculation processing, it is transmitted on display 7 and carries out real-time display.
First laser rangefinder 311, second laser rangefinder 312 and third laser range finder 313 pass through three electricity respectively
Dynamic telescopic rod 33 realizes sliding function.The fixing end of three electric telescopic rods 33 is fixed in sliding groove, electric expansion
The telescopic end of bar 33 is connected with first laser rangefinder 311, second laser rangefinder 312 and third laser range finder 313 respectively
It connects.Electric telescopic rod 33 is connected by slide switch with singlechip controller, by manipulation slide switch, it can be achieved that Laser Measuring
The promotion of distance meter operates.Each laser range finder measures on the sliding of U-frame frame inner edge, side.
Embodiment 2, a kind of eminence component physical size measuring device, the left side wall of the U-frame frame 30 or right side wall
Top is connected with measurement baffle 31, and measurement baffle 31 is parallel with the bottom wall of U-frame frame 30.Measure the free end of baffle 31
With another side wall member of formation import 32 of U-frame frame 30, the width of member inlet 32 is greater than the width of component 9 to be measured.Setting
Measure baffle 31, can above component 9 to be measured without cover board 8 when measure use.Electric expansion bracket 2 is operated, makes to survey
Amount baffle 31, which is pressed in above component 9 to be measured, to be measured.The other structures of the present embodiment are same as Example 1.
Embodiment 3, a kind of application method of eminence component physical size measuring device, comprising the following steps:
Step 1: preparing, will in the top of 30 left side wall of U-frame frame or the top installation measurement baffle 31 of right side wall
The present apparatus is moved to the lower section of component 9 to be measured, and whether observation horizontal bubble 102 is horizontally situated, by rotating regulation handle
105 and the position of horizontal bubble 102 is observed, the accurate support plate 101 that adjusts is to horizontal position.
Step 2: being adjusted, and operation lifter switch starts electric expansion bracket 2, makes electric expansion bracket 2 gradually to structure to be measured
Part 9 is close, and after component 9 to be measured enters U-frame frame 30 from member inlet 32, the mobile present apparatus makes the top position of component 9 to be measured
In the lower section of measurement baffle 31, operation lifter switch makes measurement baffle 31 compress component 9 to be measured.
Step 3: measurement, operation measurement switch starting first laser rangefinder 311, second laser rangefinder 312, third
Laser range finder 313, while starting three electric telescopic rods 33, electric telescopic rod 33 pushes three laser range finders to start to treat
The size for surveying component 9 measures.
Horizontal distance between first laser rangefinder 311 and second laser rangefinder 312 is L, first laser rangefinder
311 at a distance from 9 left side of component to be measured be L1, second laser rangefinder 312 is L at a distance from 9 right side of component to be measured2,, to be measured
The width of component is L3, it may be assumed that L1 +L2, +L3=L.The vertical distance of third laser range finder 313 and measurement baffle 31 is H, to be measured
The height of component 9 is H1, third laser range finder 313 is H at a distance from 9 bottom of component to be measured2, i.e. H1+ H2=H。
In the step 3, the coordinate position of three laser range finders is positioned in real time, electric telescopic rod 33 starts
Before, first laser rangefinder 311, second laser rangefinder 312 and third laser range finder 313 are respectively positioned on 30 inside of U-frame frame
The lower left corner, vertical direction is denoted as Y-axis, and horizontal direction is denoted as X-axis, and the lower left corner is denoted as coordinate origin (0,0).Electric expansion
After bar 33 starts, first laser rangefinder 311 and second laser rangefinder 312 each along U-frame frame 30 inner sidewall vertically to
Upper movement, while first laser rangefinder 311 and the equal real-time measurement of second laser rangefinder 312 distance at Y-axis different height
The distance of component to be measured, coordinate are denoted as (0, L respectively1) and (H, L2,), and then can obtain the width dimensions L of component 9 to be measured3.The
Three laser range finders are moved far from coordinate origin (0,0) and horizontally to the right under the promotion of electric telescopic rod 33, while third swashs
Distance of 313 real-time measurement of optar at X-axis different location apart from component 9 to be measured, real-time coordinates are denoted as (0, H1), in turn
It can obtain the depth of section size H of component 9 to be measured2., because three laser range finders are synchronous operation, obtain width dimensions L3
With height dimension H2Afterwards, the section shape and size of component 9 to be measured can be learnt.
Embodiment 4, a kind of application method of eminence component physical size measuring device, comprising the following steps:
Step 1: preparing, and removes the measurement baffle 31 on left side wall top or right side wall top, by the present apparatus be moved to
9 lower section of component is surveyed, whether observation horizontal bubble 102 is horizontally situated, and by rotation regulation handle 105 and observes horizontal bubble
102 position, the accurate support plate 101 that adjusts is to horizontal position.
Step 2: being adjusted, and operation lifter switch starts electric expansion bracket 2, makes electric expansion bracket 2 gradually to structure to be measured
Part 9 is close, after component 9 to be measured enters U-frame frame 30 from member inlet 32, continues to control the stretching upwards of electric expansion bracket 2,
Until the 8 phase apical grafting of cover board on the top and 9 top of component to be measured of U-frame frame 30.
Step 3: measurement, operation measurement switch starting first laser rangefinder 311, second laser rangefinder, 312, third
Laser range finder 313, while starting three electric telescopic rods 33, electric telescopic rod 33 pushes three laser range finders to start to treat
The size for surveying component 9 measures.
Horizontal distance between first laser rangefinder 311 and second laser rangefinder 312 is L, first laser rangefinder
311 at a distance from 9 left side of component to be measured be L1, second laser rangefinder 312 is L at a distance from 9 right side of component to be measured2,, to be measured
The width of component is L3, it may be assumed that L1 +L2, +L3=L.The vertical distance of third laser range finder 313 and cover board 8 is H, component 9 to be measured
Height be H1, third laser range finder 313 is H at a distance from 9 bottom of component to be measured2, i.e. H1+ H2=H。
In the step 3, the coordinate position of three laser range finders is positioned in real time, electric telescopic rod 33 starts
Before, first laser rangefinder 311, second laser rangefinder 312 and third laser range finder 313 are respectively positioned on 30 inside of U-frame frame
The lower left corner, vertical direction is denoted as Y-axis, and horizontal direction is denoted as X-axis, and the lower left corner is denoted as coordinate origin (0,0).Electric expansion
After bar 33 starts, first laser rangefinder 311 and second laser rangefinder 312 each along U-frame frame 30 inner sidewall vertically to
Upper movement, while first laser rangefinder 311 and the equal real-time measurement of second laser rangefinder 312 distance at Y-axis different height
The distance of component to be measured, coordinate are denoted as (0, L respectively1) and (H, L2,), and then can obtain the width dimensions L of component 9 to be measured3.The
Three laser range finders 313 are moved far from coordinate origin (0,0) and horizontally to the right under the promotion of electric telescopic rod 33, while third
Distance of 313 real-time measurement of laser range finder at X-axis different location apart from component 9 to be measured, real-time coordinates are denoted as (0, H1), into
And it can obtain the depth of section size H of component 9 to be measured2., because three laser range finders are synchronous operation, obtain broad-ruler
Very little L3With height dimension H2Afterwards, the section shape and size of component 9 to be measured can be learnt.
The not detailed place of the utility model is the common knowledge of this field.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of eminence component physical size measuring device, it is characterised in that: including mobile platform (1), electric expansion bracket
(2), measuring unit (3) and singlechip controller, electric expansion bracket (2) are connected to the top of mobile platform (1), measuring unit
(3) be fixed at the top of electric expansion bracket (2), measuring unit (3) includes U-frame frame (30), U-frame frame (30) it is interior
Side is provided with first laser rangefinder (311), second laser rangefinder (312) and third laser range finder (313), first laser
Rangefinder (311), which slides up and down, to be arranged in the inside of the left side wall of U-frame frame (30), and second laser rangefinder glides on (312)
Dynamic to be arranged in the inside of the right side wall of U-frame frame (30), third laser range finder (313) level is slidably arranged in U-frame frame
(30) top of bottom wall, first laser rangefinder (311), second laser rangefinder (312) and third laser range finder (313)
It is slidably arranged in U-frame frame (30) by driving mechanism, the singlechip controller is connected with power supply unit and passes through control
System switch respectively with electric expansion bracket (2), driving mechanism, first laser rangefinder (311), second laser rangefinder (312)
It is connected with third laser range finder (313), first laser rangefinder (311), second laser rangefinder (312) and third Laser Measuring
Distance meter (313) is connected with display (7) by singlechip controller.
2. eminence component physical size measuring device according to claim 1, it is characterised in that: the mobile platform (1)
Including supporting plate (101), electric expansion bracket (2) and display (7) are fixedly connected on above support plate (101), support
The quadrangle of plate (101) is opened up there are four mounting hole, and mounting hole internal screw thread, which is connected with, adjusts stud (103), is adjusted stud (103)
Lower section is provided with universal wheel (104).
3. eminence component physical size measuring device according to claim 2, it is characterised in that: the support plate
(101) it is provided with above horizontal bubble (102), the upper semisection that adjusting stud (103) passes through mounting hole is connected with adjusting
Handle (105), regulation handle (105) and the adjusting at L-shaped leveling part of stud (103) structure.
4. eminence component physical size measuring device according to claim 2, it is characterised in that: the electric expansion bracket
It (2) include the mounting base (201) being fixedly connected with support plate (101), mounting base is fixedly installed push-rod electric machine on (201)
(202), in mounting base (201), the telescopic end of push-rod electric machine (202) is fixedly connected for the fixing end setting of push-rod electric machine (202)
The U-frame frame (30), push-rod electric machine (202) are connected by lifter switch with singlechip controller.
5. eminence component physical size measuring device according to claim 1-4, it is characterised in that: the U-shaped
The upside of the inside of left side wall of frame (30), the inside of right side wall and bottom wall offers sliding groove, the driving mechanism packet
Three electric telescopic rods (33) being fixed in sliding groove are included, the fixing end of three electric telescopic rods (33) is fixedly installed
In sliding groove, the telescopic end of electric telescopic rod (33) respectively with first laser rangefinder (311), second laser rangefinder
(312) it is connected with third laser range finder (313), electric telescopic rod (33) is connected by slide switch and singlechip controller
It connects.
6. eminence component physical size measuring device according to claim 5, it is characterised in that: the U-frame frame (30)
Left side wall or right side wall above be connected with measurement baffle (31), measure baffle (31) and U-frame frame (30) bottom wall
It is parallel, measure the free end of baffle (31) and another side wall member of formation import (32) of U-frame frame (30), member inlet
(32) width is greater than the maximum width of component to be measured (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042249.9U CN208269833U (en) | 2018-06-29 | 2018-06-29 | A kind of eminence component physical size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042249.9U CN208269833U (en) | 2018-06-29 | 2018-06-29 | A kind of eminence component physical size measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208269833U true CN208269833U (en) | 2018-12-21 |
Family
ID=64690417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821042249.9U Active CN208269833U (en) | 2018-06-29 | 2018-06-29 | A kind of eminence component physical size measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208269833U (en) |
-
2018
- 2018-06-29 CN CN201821042249.9U patent/CN208269833U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108534680A (en) | A kind of eminence component physical size measuring device and its application method | |
| CN105908955B (en) | Indoor autonomous intelligence mechanical float | |
| CN105865426A (en) | Automatic centering and measuring total station | |
| CN105910591B (en) | A kind of method and device detecting elevator verticality and headroom size | |
| CN107091669A (en) | The detection means and its detection method of new track and localization graduated cylinder liquid level precision change | |
| CN208269833U (en) | A kind of eminence component physical size measuring device | |
| CN103601072B (en) | Absolute position control method based on the horizontal adjusting sling for spacecraft that suspension centre regulates | |
| CN106197935A (en) | Discharge duct anti-soft impulse testing machine | |
| CN204495333U (en) | A kind of erecting device of wall-hanging hydrostatic level | |
| CN204142258U (en) | A kind of wall column formwork testing apparatus for verticality | |
| CN111707876A (en) | A diaxon straightness quick adjustment mechanism that hangs down for large-scale antenna near field tester | |
| CN202002625U (en) | Template verticality inspection device | |
| CN108645390B (en) | Pay-off rack | |
| CN201662385U (en) | Multifunctional measurement scale for buildings | |
| CN208721070U (en) | A kind of horizontal vertical measuring device of high level armored concrete wall | |
| CN114777752A (en) | Perpendicularity measuring instrument for shear wall template | |
| CN205373703U (en) | Triangle levelling rod | |
| CN209181774U (en) | A kind of building lot level detection device | |
| CN211954127U (en) | Levelness detection device for construction | |
| CN112816063A (en) | Indoor light collection measuring device and measuring method | |
| CN208456533U (en) | A kind of downhole sensor mounting device | |
| CN207730217U (en) | A kind of concrete wall column and mold plate verticality detection device | |
| CN205958223U (en) | Exhaust duct resists flexible impact tester | |
| CN206601132U (en) | A kind of Novel engineering horizontal survey chi | |
| CN211783452U (en) | Building engineering detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |