CN205790317U - Antenna for base station - Google Patents
Antenna for base station Download PDFInfo
- Publication number
- CN205790317U CN205790317U CN201620478050.5U CN201620478050U CN205790317U CN 205790317 U CN205790317 U CN 205790317U CN 201620478050 U CN201620478050 U CN 201620478050U CN 205790317 U CN205790317 U CN 205790317U
- Authority
- CN
- China
- Prior art keywords
- hole
- angle modulation
- antenna
- linking arm
- initial point
- 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
- Support Of Aerials (AREA)
Abstract
The utility model discloses a kind of antenna for base station, including antenna, pole, mounting assembly and angle modulation sheet；Mounting assembly includes the first installed part and the second installed part, and upper antenna end is rotationally connected with pole by the first installed part, and antenna lower end is rotationally connected with pole by the second installed part；First installed part includes two linking arms that two ends are rotationally connected, and a linking arm other end is rotationally connected with on antenna, another linking arm other end be rotationally connected with on pole；Angle modulation sheet is overall in arc-shaped, is provided with multiple along circular arc arrangement and be spaced disjoint through hole, and a through hole is positioned at the same side, initial point hole as angle modulation hole as initial point hole, remaining through hole；Arbitrary linking arm is fixed with initial point hole by the first locking member, and optionally fixing with arbitrary angle modulation hole to realize Downtilt adjustable by the second locking member for another linking arm.The Downtilt of this antenna for base station is easy to adjust, and its angle modulation sheet volume is little, mechanical strength is high, it is adaptable to multiple use scene.
Description
Technical field
This utility model relates to a kind of antenna for base station.
Background technology
As depicted in figs. 1 and 2, the mounting assembly of antenna for base station in the market is used for regulating the angle modulation sheet major part of aerial mechanical Downtilt and is elongate configuration or fraction is sector structure.
String configuration angle modulation chip size is long, takes up room big, is not easy to communication engineering personnel and installs antenna transmission line and miscellaneous equipment, affect its construction safety；It addition, the pole external diameter that different operators uses is not of uniform size, for the pole of large scale external diameter, when low-angle, there is elongate configuration angle modulation sheet and pole interference problem, be i.e. suitable for the narrow range of pole external diameter size in antenna for base station machinery Downtilt.
Take up room little although sector structure angle modulation sheet solves it, facilitate engineer operation personal security installation communication equipment.But this angle modulation sheet overall structure is plane, and adjacent angle modulation hole there may be crossing holes phenomenon, and its intensity substantially reduces, and when the antenna heavy for quality or use ambient wind velocity are big, angle modulation sheet exists deformation or the risk of fracture.
Utility model content
This utility model is to solve above-mentioned technical problem to provide a kind of antenna for base station, and the Downtilt of antenna for base station is easy to adjust, and its angle modulation sheet volume is little, mechanical strength is high, it is adaptable to multiple use scene.
For solving above-mentioned technical problem, this utility model provides a kind of antenna for base station, including: antenna, pole, mounting assembly and angle modulation sheet；Described mounting assembly includes the first installed part and the second installed part, and described upper antenna end is rotationally connected with described pole by described first installed part, and described antenna lower end is rotationally connected with described pole by described second installed part；Described first installed part includes two linking arms that two ends are rotationally connected, and the linking arm other end described in is rotationally connected with on described antenna, another described linking arm other end be rotationally connected with on described pole；Described angle modulation sheet is overall in arc-shaped, is provided with multiple along circular arc arrangement and be spaced disjoint through hole, and through hole described in is positioned at the same side, described initial point hole as angle modulation hole as initial point hole, remaining described through hole；Arbitrary described linking arm is fixed with described initial point hole by the first locking member, and optionally fixing with arbitrary described angle modulation hole to realize Downtilt adjustable by the second locking member for another described linking arm.
Further, each described through hole same radius arc on described angle modulation sheet is spaced non-intersect arrangement.
Further, the circular arc of each described through hole two or more different radii on described angle modulation sheet it is spaced non-intersect and is staggered.
Further, when linking arm described in one and described initial point hole are fixed, another described linking arm is fixed one by one with each described angle modulation hole on the circular arc direction moving away from described initial point hole, described in two, between linking arm, formed subtended angle is gradually increased, and corresponding Downtilt is angularly incremented by.
Further, the size of described Downtilt is angularly incremented by with 0.5 ° or 1 °.
Further, when linking arm described in one and described initial point hole are fixed, the described angle modulation hole in another described linking arm and closest described initial point hole is fixed, described Downtilt is equal to 0 °；When linking arm described in one and described initial point hole are fixed, another described linking arm is fixed with the described angle modulation hole farthest away from described initial point hole, the size of described Downtilt is in the range of 8 °～15 °.
Further, when linking arm described in one and described initial point hole are fixed, another described linking arm is fixed with the described angle modulation hole farthest away from described initial point hole, the size of described Downtilt is 8 °, 10 °, 12 ° or 15 °.
Further, in arc-shaped and outer rim is formed with flange to described angle modulation sheet entirety.
Further, on described angle modulation sheet, corresponding each described angle modulation hole is marked with angle value respectively.
Further, described angle modulation sheet is rustless steel angle modulation sheet or mild steel angle modulation sheet.
The antenna for base station of this utility model embodiment: by arranging the overall angle modulation sheet in arc-shaped to regulate Downtilt so that angle modulation sheet small volume；And by initial point hole and angle modulation hole being set on angle modulation sheet along circular arc arrangement and being spaced non-intersect, not only reduce the volume of angle modulation sheet and enhance its mechanical strength.It addition, by forming flange in angle modulation sheet outer rim, it is possible to further enhance the mechanical strength of angle modulation sheet.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art string configuration angle modulation sheet.
Fig. 2 is the structural representation of prior art sector structure angle modulation sheet.
Fig. 3 is the structural representation of this utility model antenna base station embodiment.
Fig. 4 is the enlarged diagram of the first installed part in antenna base station shown in Fig. 3.
Fig. 5 is the enlarged diagram of the second installed part in antenna base station shown in Fig. 3.
Fig. 6 is the structural representation of angle modulation sheet the first embodiment in antenna base station shown in Fig. 3.
Fig. 7 is the structural representation of angle modulation sheet the second embodiment in antenna base station shown in Fig. 3.
Fig. 8 is the structural representation of angle modulation sheet the 3rd embodiment in antenna base station shown in Fig. 3.
Fig. 9 is the structural representation of another embodiment of angle modulation sheet shown in Fig. 8.
Detailed description of the invention
With embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Refer to Fig. 3, this utility model provides a kind of antenna for base station, it utilizes double leval jib principle to realize the regulation of machinery Downtilt, and this antenna for base station includes: antenna 1, pole 2, mounting assembly and angle modulation sheet 5, and this mounting assembly includes the first installed part 3 and the second installed part 4.
Referring to incorporated by reference to Fig. 4 and Fig. 5, antenna 1 upper end is rotationally connected with pole 2 by the first installed part 3, and antenna 1 lower end is rotationally connected with pole 2 by the second installed part 4.This first installed part 3 and this second installed part 4 respectively on antenna 1 back side and pole 2 appropriate distance of fixed position can be designed according to parameters such as the different profiles of antenna 1, sizes, specifically can be determined according to Overall Analysis and customer demand.
Concrete, as shown in Figure 3, first installed part 3 includes the first linking arm 31 and the second linking arm 32, upper end, antenna 1 back side can be provided with installation sheet 11, first linking arm 31 first end is rotatably connected on the upper installation sheet 11 of upper end, antenna 1 back side, first linking arm 31 second end and the second linking arm 32 first end are rotationally connected, and the second linking arm 32 second end is rotatably connected on pole 2.
Further, first installed part 3 can also include the first hinged seat 33 and the second hinged seat 34, first hinged seat 33 is locked on the upper installation sheet 11 of upper end, antenna 1 back side by bolt and nut 35, second hinged seat 34 is locked on pole 2 by bolt and nut 35, first linking arm 31 first end and the first hinged seat 33 are hinged, and the second linking arm 32 second end and the second hinged seat 34 are hinged.Wherein, the first linking arm 31 and the second respective length of linking arm 32 can be determined by the different antennae tilt angled down of design simulation antenna 1.
As shown in Figure 4, this second installed part 4 includes the first mounting seat 41 being installed on installation sheet 12 under antenna 1 back side and is installed on the second mounting seat 42 of pole 2 lower end, this first mounting seat 41 and the second mounting seat 42 are rotationally connected by rotary shaft, concrete, first mounting seat 41 and the second mounting seat 42 each extend over and are formed with a linking arm, are rotationally connected by this two linking arm.This second installed part 4 structure is simpler compared to the first installed part 3.Its structure and form do not limit, as long as the effect of rotary shaft can be played when antenna 1 carries out rotate regulation Downtilt compared to pole 2.
In this embodiment, angle modulation sheet 5 entirety is arc-shaped, be provided with multiple along circular arc arrangement and be spaced disjoint through hole, a through hole is positioned at the same side, initial point hole 51 as angle modulation hole 52 as initial point hole 51, remaining through hole.Arbitrary linking arm is fixed with initial point hole 51 by the first locking member 36, optionally fixing with arbitrary angle modulation hole 52 to realize Downtilt adjustable by the second locking member 37 for another linking arm, two linking arms, angle modulation sheet 5 utilize the triangle rock-steady structure that is locked of first locking member the 36, second locking member 37, and whole process achieves fixing and regulation Downtilt.
The antenna for base station of this utility model embodiment: by arranging the overall angle modulation sheet 5 in arc-shaped to regulate Downtilt so that angle modulation sheet 5 small volume；And by initial point hole 51 and angle modulation hole 52 being set on angle modulation sheet 5 along circular arc arrangement and being spaced non-intersect, not only reduce the volume of angle modulation sheet 5 and enhance its mechanical strength.It addition, by forming flange 53 in angle modulation sheet 5 outer rim, it is possible to further enhance the mechanical strength of angle modulation sheet 5.
Wherein, on angle modulation sheet 5, the determination in the angle modulation hole 52 of different angles can be performed such that the size by simulating different antennae angle of declination, the distance in (i.e. initial point hole 51, angle modulation hole 52) is (wherein between two linking arm fixed positions of the first installed part 3 to measure angle modulation sheet 5, the corresponding distance of each subtended angle size, each distance is corresponding with a Downtilt again).Specifically comprise the following steps that
1, the length of second 4 liang of linking arms of installed part is determined；
2, the length of 3 liang of linking arms of the first installed part 31,32 is determined；
3, the angle modulation sheet 5 two correct positions on 3 two linking arms of the first installed part 31,32 are determined；
4, difference analog simulation antenna 1 is when such as 0 °-15 °, the angle that the first installed part 3 two linking arm 31,32 opens accordingly, measures now two linking arms 31,32 respectively and raises two rigging position distances of gusset plates 5；
5, on angle modulation sheet 50 ° to the distance in initial point hole 51,1 ° to the distance in initial point hole 51,2 ° of distances to initial point hole 51 ... until 15 ° of distances to initial point hole 51 are equal with the 4th step measured distance respectively.
Its principle is with reverse direction, phantom antenna angle of declination determines the distance between angle modulation sheet 5 initial point hole 51 and each angle modulation hole 52 again, and reform into angle modulation sheet 5 on using and fix which angle modulation hole 52 on the connecting arm, i.e. the number of degrees of respective antenna angle of declination, it is achieved that one-to-one relationship.
In a detailed description of the invention, each through hole as initial point hole 51 and angle modulation hole 52 can be spaced non-intersect arrangement, the most as shown in Figure 6 in the same radius arc on angle modulation sheet 5.
In another embodiment, each through hole as initial point hole and angle modulation hole can be spaced non-intersect on the circular arc of two or more different radii on angle modulation sheet 5a, 5b and be staggered.Concrete, can be as it is shown in fig. 7, Fig. 7 be each through hole is spaced non-intersect and staggered schematic diagram on angle modulation sheet 5a on the circular arc of two different radiis；Or can as shown in Figure 8, Fig. 8 is that each through hole is spaced non-intersect and staggered schematic diagram on angle modulation sheet 5b on the circular arc of three different radiis.
Illustrate as a example by Fig. 3 and embodiment illustrated in fig. 6, when one linking arm (such as the first linking arm 31) is fixing with initial point hole 51, another linking arm (such as the second linking arm 32) is fixed one by one with each angle modulation hole 52 on the circular arc direction moving away from initial point hole 51, the subtended angle formed between two linking arms is gradually increased, and corresponding Downtilt equiangularly mode is incremented by.Generally, the size of Downtilt can with 0.5 ° or 1 ° angularly mode be incremented by, generally optional 1 ° of angularly incremental manner.It is of course also possible to be the angularly incremental manner of other precision, undoubtedly, the highest regulating effect for Downtilt of its precision is the best.Or, in other embodiments, it would however also be possible to employ non-angularly incremental manner, concrete depending on demand, do not make too many restrictions.
When one linking arm and initial point hole 51 is fixing, the angle modulation hole 52 in another linking arm and closest initial point hole 51 is fixed, Downtilt is equal to 0 °；When one linking arm is fixing with initial point hole 51, another linking arm is fixed with the angle modulation hole 52 farthest away from initial point hole 51, the size of Downtilt is in the range of 8 °～the common angle of 15 °.Concrete, when one linking arm is fixing with initial point hole 51, another linking arm is fixed with the angle modulation hole 52 farthest away from initial point hole 51, the size of Downtilt is 8 °, 10 °, 12 ° or 15 °, this angle modulation sheet 5 i.e. can help to realize Downtilt at 0 °～8 °, or 0 °～10 ° (such as Fig. 6), or be adjusted in the range of 0 °～12 ° (such as Fig. 7), or 0 °～15 ° (such as Fig. 8).Certainly, the maximum magnitude of adjustable antenna angle of declination can also be other value, is not construed as limiting herein.
In a better embodiment, as shown in Figure 6, flange 53 can be formed in the outer rim of angle modulation sheet 5, form similar flange shape.Using this version, its mechanical strength is significantly improved, and may be adapted to life-time service.Certainly, can arrange flange equally on angle modulation sheet 5a, the 5b shown in Fig. 7 and Fig. 8, Fig. 6 is only to illustrate as an example.
In a better embodiment, as it is shown in figure 9, corresponding each angle modulation hole 52 is marked with angle value 54 respectively on angle modulation sheet 5b, facilitate user Downtilt to be adjusted the most conspicuously.Certainly, can arrange angle value on the angle modulation sheet 5 shown in Fig. 6 and Fig. 7,5a equally, Fig. 9 is only explanation as an example.
In a better embodiment, owing to antenna for base station is usually placed in outdoor meeting by wind and weather, angle modulation sheet 5(5a, 5b) can be rustless steel angle modulation sheet or mild steel angle modulation sheet that carbon steel height warm macerating zinc processed, it is difficult to corrosion and mechanical strength is high, may be adapted to life-time service.
The installation regulation process of antenna for base station of the present utility model is as follows:
The first step, it is zero degree that the first installed part 3 regulates the Downtilt of two linking arms, with securing member lockings such as angle modulation sheet 5 and bolt and nuts 35.
Second step, the installation sheet that the first installed part 3 and the second installed part 4 are fixed with antenna 1 back side respectively is locked by bolt and nut 35 securing member.
3rd step, the first installed part 3 and the second installed part 4 are locked by bolt and nut 35 securing member with pole 2 respectively.
4th step, according to using scene demand, loosen the securing member of first 3 two linking arm junctions of installed part, adjust the Downtilt of two linking arms to required value, such as 8 °, then with securing member, angle modulation sheet 5 is locked on two linking arms 31,32, finally locks all first installed part 3 and fastening combined pieces of the second installed part 4.
5th step, later stage antenna 1 actual antennas angle of declination requirement as required, (repeating the 4th step) can be met by adjusting angle modulation sheet 5.
In sum, this utility model has the advantage that
(1) angle modulation sheet monnolithic case is circular arc turnup structure, and overall appearance size is little, compact conformation.
(2) arrangement of the angle modulation hole circular arc on angle modulation sheet, single-row, biserial or the arrangement of more multiple row, arranging compact avoid adjacent angle modulation hole simultaneously and intersects holes phenomenon.
(3) this utility model angle modulation sheet monnolithic case size is little, and mechanical strength is high, on the one hand solves all communication equipments facilitated on engineering staff's mounted base station tower, beneficially engineering staff's safe construction.It addition, the pole of bigger outside dimension scope can be suitable for.On the other hand can be applicable to heavier antenna wider with big wind load environment, i.e. versatility, the use demand of the operator in more country variant, area can be met.
(4) angle modulation sheet can realize producing in enormous quantities, optimizes its function, meets Mechanical Reliability and the use demand of different client of communication antenna.
These are only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (10)
1. an antenna for base station, it is characterised in that including:
Antenna, pole, mounting assembly and angle modulation sheet；
Described mounting assembly includes the first installed part and the second installed part, and described upper antenna end is rotationally connected with described pole by described first installed part, and described antenna lower end is rotationally connected with described pole by described second installed part；
Described first installed part includes two linking arms that two ends are rotationally connected, and the linking arm other end described in is rotationally connected with on described antenna, another described linking arm other end be rotationally connected with on described pole；
Described angle modulation sheet is overall in arc-shaped, is provided with multiple along circular arc arrangement and be spaced disjoint through hole, and through hole described in is positioned at the same side, described initial point hole as angle modulation hole as initial point hole, remaining described through hole；
Arbitrary described linking arm is fixed with described initial point hole by the first locking member, and optionally fixing with arbitrary described angle modulation hole to realize Downtilt adjustable by the second locking member for another described linking arm.
Antenna for base station the most according to claim 1, it is characterised in that:
Each described through hole is spaced non-intersect arrangement in the same radius arc on described angle modulation sheet.
Antenna for base station the most according to claim 1, it is characterised in that:
It is spaced non-intersect on the circular arc of each described through hole two or more different radii on described angle modulation sheet and is staggered.
4. according to the antenna for base station described in any one of claims 1 to 3, it is characterised in that:
When linking arm described in one and described initial point hole are fixed, another described linking arm is fixed one by one with each described angle modulation hole on the circular arc direction moving away from described initial point hole, described in two, between linking arm, formed subtended angle is gradually increased, and corresponding Downtilt is angularly incremented by.
Antenna for base station the most according to claim 4, it is characterised in that:
The size of described Downtilt is angularly incremented by with 0.5 ° or 1 °.
Antenna for base station the most according to claim 4, it is characterised in that:
When linking arm described in one and described initial point hole are fixed, the described angle modulation hole in another described linking arm and closest described initial point hole is fixed, described Downtilt is equal to 0 °；
When linking arm described in one and described initial point hole are fixed, another described linking arm is fixed with the described angle modulation hole farthest away from described initial point hole, the size of described Downtilt is in the range of 8 °～15 °.
Antenna for base station the most according to claim 6, it is characterised in that:
When linking arm described in one and described initial point hole are fixed, another described linking arm is fixed with the described angle modulation hole farthest away from described initial point hole, the size of described Downtilt is 8 °, 10 °, 12 ° or 15 °.
Antenna for base station the most according to claim 1, it is characterised in that:
In arc-shaped and outer rim is formed with flange to described angle modulation sheet entirety.
Antenna for base station the most according to claim 1, it is characterised in that:
On described angle modulation sheet, corresponding each described angle modulation hole is marked with angle value respectively.
Antenna for base station the most according to claim 1, it is characterised in that:
Described angle modulation sheet is rustless steel angle modulation sheet or mild steel angle modulation sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620478050.5U CN205790317U (en) | 2016-05-20 | 2016-05-20 | Antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620478050.5U CN205790317U (en) | 2016-05-20 | 2016-05-20 | Antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205790317U true CN205790317U (en) | 2016-12-07 |
Family
ID=58112452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620478050.5U Active CN205790317U (en) | 2016-05-20 | 2016-05-20 | Antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205790317U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376826A (en) * | 2018-03-16 | 2018-08-07 | 广东通宇通讯股份有限公司 | A kind of covering water tower type embellished antenna structure |
| CN109103561A (en) * | 2018-07-10 | 2018-12-28 | 安徽蓝讯电子科技有限公司 | A kind of novel small antenna for base station |
| CN112271427A (en) * | 2020-06-29 | 2021-01-26 | 京信通信技术(广州)有限公司 | Antenna installation assembly and base station antenna |
| WO2021169715A1 (en) * | 2020-02-27 | 2021-09-02 | 中兴通讯股份有限公司 | Antenna installation apparatus and antenna device |
| WO2024114169A1 (en) * | 2022-11-28 | 2024-06-06 | 中信科移动通信技术股份有限公司 | Base station antenna bracket and base station antenna |
-
2016
- 2016-05-20 CN CN201620478050.5U patent/CN205790317U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376826A (en) * | 2018-03-16 | 2018-08-07 | 广东通宇通讯股份有限公司 | A kind of covering water tower type embellished antenna structure |
| CN109103561A (en) * | 2018-07-10 | 2018-12-28 | 安徽蓝讯电子科技有限公司 | A kind of novel small antenna for base station |
| WO2021169715A1 (en) * | 2020-02-27 | 2021-09-02 | 中兴通讯股份有限公司 | Antenna installation apparatus and antenna device |
| CN112271427A (en) * | 2020-06-29 | 2021-01-26 | 京信通信技术(广州)有限公司 | Antenna installation assembly and base station antenna |
| WO2024114169A1 (en) * | 2022-11-28 | 2024-06-06 | 中信科移动通信技术股份有限公司 | Base station antenna bracket and base station antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205790317U (en) | Antenna for base station | |
| US8910431B2 (en) | Tower structure | |
| US10826155B2 (en) | Technician platform for antenna mount | |
| CA2586647A1 (en) | A tower part for a wind turbine, an aperture cover system, a method for manufacturing a tower part and uses hereof | |
| US9567765B2 (en) | Mast | |
| US20200173162A1 (en) | Bolt calibrated angle mainstay for tower construction and method for use | |
| CN202073183U (en) | Adjustable adaptor | |
| WO2010105919A2 (en) | Assembly device for installing solar collectors, in particular photovoltaic modules | |
| CN105421630B (en) | A kind of metal curtain wall hitch assembly | |
| US20210062532A1 (en) | Self supporting tilt over mast | |
| CN109915718B (en) | Adjustable installation system of 5G equipment | |
| CN209001111U (en) | A kind of mounting structure of base station omnidirectional antenna | |
| CN203442442U (en) | Holding pole device for communication type hanging piece | |
| US20240275018A1 (en) | Antenna support system | |
| CN208478545U (en) | A kind of adjustable support for installing outdoor GPS antenna for special-shaped house | |
| CN209948028U (en) | Omnidirectional adjustment antenna support | |
| CN202422882U (en) | Wind deflection preventing diagonal insulator hardware | |
| CN206441852U (en) | RAE modular mounting assemblies and antenna system | |
| CN205921086U (en) | Antenna angle modulation device | |
| EP3967874A1 (en) | Mounting structure for supporting a tower sector | |
| CN205806902U (en) | Tubular truss | |
| CN208179431U (en) | It is a kind of for adjusting the turning tool of the nut of foundation bolt | |
| CN211455922U (en) | Adjustable short pole holding support for floor antenna | |
| EP3967872B1 (en) | Mounting structure for supporting a tower sector | |
| CN205039457U (en) | Conveyer is used in self -supporting tower maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |