CN110424742A - A kind of receipts face machine automatically controlling absolute altitude - Google Patents
A kind of receipts face machine automatically controlling absolute altitude Download PDFInfo
- Publication number
- CN110424742A CN110424742A CN201910733445.3A CN201910733445A CN110424742A CN 110424742 A CN110424742 A CN 110424742A CN 201910733445 A CN201910733445 A CN 201910733445A CN 110424742 A CN110424742 A CN 110424742A
- Authority
- CN
- China
- Prior art keywords
- level meter
- infrared ray
- absolute altitude
- plate
- fixed
- 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.)
- Granted
Links
- 239000006260 foam Substances 0.000 claims abstract description 46
- 238000013016 damping Methods 0.000 claims abstract description 33
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
Abstract
The invention discloses a kind of receipts face machines for automatically controlling absolute altitude, including levelling machine, the body two sides of levelling machine are mounted on infrared ray receiver, level meter holder is installed between the two neighboring ring support of levelling machine, the inner wall upper end of level meter holder is fixed with protection air-cushion by gluing, infrared ray gradienter is placed in level meter holder, the outer sheath of infrared ray gradienter is equipped with level meter outer cover, and the lower end of foam backing plate is provided with damping under being internally located at of level meter holder；The receipts face machine of the automatic control absolute altitude can control the absolute altitude of concrete; when receipts face machine works; it is measured without band line repeatedly; it is easy for installation; the control of concrete surface absolute altitude is substantially increased simultaneously; and the infrared ray gradienter in the present invention can be received into when not in use in the level meter holder on levelling machine, can be protected well to infrared ray gradienter.
Description
Technical field
The present invention relates to technical field of building construction, specially a kind of receipts face machine for automatically controlling absolute altitude.
Background technique
In modern construction, bed course, basis, floor is levelling adopts levelling machine substantially, is surveyed by band line using tape measure
The method of amount carries out absolute altitude control, and generally existing construction worker's measurement point is very few, and absolute altitude deviation is easily caused in leveling procedures
Excessive defect；For this purpose, it is proposed that a kind of receipts face machine for automatically controlling absolute altitude.
Summary of the invention
The purpose of the present invention is to provide a kind of receipts face machines for automatically controlling absolute altitude, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of receipts face machine for automatically controlling absolute altitude, including is looked for
Flat machine, the body two sides of the levelling machine are mounted on infrared ray receiver, the two neighboring ring support of the levelling machine it
Between level meter holder is installed, two middle side parts of the level meter holder are respectively and fixedly provided with fixed plate I, two neighboring annular branch
The two sides of frame are welded with fixed plate II, and two fixed plate I are ridden upon respectively on two fixed plate II, and fixed plate I and fixation
It is connected and fixed by fixing bolt between plate II, the upper end side of the level meter holder is hinged with by articulated shaft to be turned over
The inner wall upper end of lid, the level meter holder is fixed with protection air-cushion by gluing, passes through in the middle part of the flip lid lower surface
Gluing is fixed with foam protective plate, and infrared ray gradienter, the infrared ray gradienter are placed in the level meter holder
Outer sheath be equipped with level meter outer cover, the lower end of the level meter outer cover is connected with lower foam backing plate, the infrared ray gradienter
Lower end setting there are three adjusting foot, the upper end of the lower foam backing plate open up there are three with adjust foot corresponding adjustings foot positioning
Slot, the adjusting foot are plugged in corresponding adjusting foot locating slot, and the upper center setting of the level meter outer cover is fluted,
Handle is fixed in the groove, the lower end of foam backing plate is provided with damping machine under being internally located at of the level meter holder
Structure, and foam backing plate is placed on the upper end of damping.
Preferably, the damping by two groups of telescoping mechanisms and damping bottom plate form, two groups of telescoping mechanisms are set respectively
It sets in damping bottom plate rear and front end, the telescoping mechanism includes outer tube, and one end of the outer tube is movably articulated in water
The inside bottom of level holder, the equal activity in the one end of the outer tube far from hinged place is inserted with flexible interior bar, described flexible
One end that interior bar is located in outer tube is respectively connected with damping spring, and the described one end of flexible interior bar far from damping spring is hinged on
The lower end of the lower end of damping bottom plate, the lower foam backing plate is placed on the upper end of damping bottom plate.
Preferably, the level meter outer cover is set as drum type brake transparent plastic outer cover.
Preferably, the lower foam backing plate is bonded by upper foam plectane and lower foam plectane, the upper foam plectane
It is adhesively fixed on the upper surface middle part of lower foam plectane, and upper foam plectane is plugged in the lower end of level meter outer cover by squeezing,
The lower foam plectane is fitted in the lower end of level meter outer cover, and the outer diameter of lower foam plectane is greater than the outer diameter of level meter outer cover.
Preferably, described one end for renovating separate hinged place is connected with connecting plate I, and the upper end of the level meter holder is another
One middle side part is fixed with connecting plate II, and the connecting plate I and connecting plate II patch merga pass is bolted through the connection of setting
It is fixed.
Preferably, the protection air-cushion is arranged along four side of inner wall of level meter holder in rectangle frame, the protection air-cushion
Thickness at least 10mm.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention design rationally, this is by infrared ray receiver
It is installed on the two sides of levelling machine, levelling machine is placed in concrete surface work, by presenting not after infrared receiver to signal
Same color when receiving the work of face machine, measures to control concrete absolute altitude without band line repeatedly, easy for installation, greatly improves simultaneously
The control of concrete surface absolute altitude, and the infrared ray gradienter in the present invention can be received on levelling machine when not in use
In level meter holder, infrared ray gradienter can be protected well, convenience is high, and it is practical, it is conducive to promote.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure enlargement diagram at A in Fig. 1 of the present invention；
Fig. 3 is level meter holder schematic diagram of the present invention；
Fig. 4 is infrared ray gradienter schematic diagram of the present invention；
Fig. 5 is structure enlargement diagram at B in Fig. 4 of the present invention.
In figure: levelling machine 1, infrared ray receiver 101, level meter holder 2, flip lid 3, fixed plate I4, fixed plate II5,
Fixing bolt 6, connecting plate I7, connecting plate II8, connection bolt 9, articulated shaft 10, protection air-cushion 11, upper foam protective plate 12, water
It is level outer cover 13, groove 14, handle 15, infrared ray gradienter 16, lower foam backing plate 17, damping bottom plate 18, flexible interior bar 19, outer
Casing 20, damping spring 21 adjust foot 22, adjust foot locating slot 23.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 5 is please referred to, the present invention provides a kind of technical solution: a kind of receipts face machine automatically controlling absolute altitude, including look for
Flat machine 1, the body two sides of levelling machine 1 are mounted on infrared ray receiver 101, between the two neighboring ring support of levelling machine 1
Level meter holder 2 is installed, two middle side parts of level meter holder 2 are respectively and fixedly provided with fixed plate I4, two neighboring ring support
Two sides be welded with fixed plate II5, two fixed plate I4 are ridden upon respectively on two fixed plate II5, and fixed plate I4 and solid
It is connected and fixed by fixing bolt 6 between fixed board II5, it, can convenient fixation and disassembly using the fixed form of bolt；
The upper end side of level meter holder 2 is hinged with flip lid 3 by articulated shaft 10, renovates 3 one end far from hinged place
It is connected with connecting plate I7, is fixed with connecting plate II8, connecting plate I7 and connecting plate in the middle part of the upper end other side of level meter holder 2
II8 patch merga pass is connected and fixed through the connection bolt 9 of setting, and the inner wall upper end of level meter holder 2 is fixed by gluing
There is protection air-cushion 11, protection air-cushion 11 is arranged along four side of inner wall of level meter holder 2 in rectangle frame, the thickness of protection air-cushion 11
At least 10mm, flip lid are fixed with upper foam protective plate 12 by gluing in the middle part of 3 lower surfaces, put in level meter holder 2
It is equipped with infrared ray gradienter 16, the outer sheath of infrared ray gradienter 16 is equipped with level meter outer cover 13, and level meter outer cover 13 is set as
Drum type brake transparent plastic outer cover, level meter outer cover 13 can play a very good protection when infrared ray gradienter 16 works,
It needs to install on the ground using needing to take out it from level meter holder 2 when infrared ray gradienter 16 and pass through adjusting
Foot 22 adjusts level, after adjusting, upper level meter outer cover 13 can be covered from the top of infrared ray gradienter 16, prevents levelling machine
There is concrete to splash on infrared ray gradienter 16 when work, good protection is played to infrared ray gradienter 16, ensure that infrared
The normal work of line level meter 16 can be outside level meter when needing to be received into infrared ray gradienter 16 in level meter holder 2
Lower foam backing plate 17 is installed in the bottom of cover 13, is then placed in level meter holder 2, can carry out to infrared ray gradienter 16 together
Protection and damping effect well；
The lower end of level meter outer cover 13 is connected with lower foam backing plate 17, and lower foam backing plate 17 is by upper foam plectane and lower foam
Plectane is bonded, and upper foam plectane is adhesively fixed on the upper surface middle part of lower foam plectane, and upper foam plectane passes through extruding
It is plugged in the lower end of level meter outer cover 13, lower foam plectane is fitted in the lower end of level meter outer cover 13, and lower foam plectane is outer
Diameter is greater than the outer diameter of level meter outer cover 13, and there are three adjust foot 22, lower foam backing plate 17 for the lower end setting of infrared ray gradienter 16
Upper end open up there are three with adjust corresponding the adjustings foot locating slot 23 of foot 22, adjust foot 22 and be plugged in corresponding adjusting foot and determines
In the slot 23 of position, the upper center of level meter outer cover 13 is arranged fluted 14, is fixed with handle 15, level meter holder in groove 14
The lower end of foam backing plate 17 is provided with damping under 2 being internally located at, and foam backing plate 17 is placed on the upper end of damping,
Damping by two groups of telescoping mechanisms and damping bottom plate 18 form, two groups of telescoping mechanisms are separately positioned on the front and back of damping bottom plate 18
Both ends, telescoping mechanism include outer tube 20, and one end of outer tube 20 is movably articulated in the inside bottom of level meter holder 2
Portion, the equal activity in the one end of outer tube 20 far from hinged place are inserted with flexible interior bar 19, and flexible interior bar 19 is located in outer tube 20
One end is respectively connected with damping spring 21, and the flexible one end of interior bar 19 far from damping spring 21 is hinged under damping bottom plate 18
End, the lower end of lower foam backing plate 17 are placed on the upper end of damping bottom plate 18, and in levelling machine work, damping can be to merging
Infrared ray gradienter 16 in level meter holder 2 plays good damping effect, prevents 16 high-frequency of infrared ray gradienter from shaking
Dynamic damage.
The working principle of the invention:
It first passes through and has installed infrared ray gradienter 16, infrared ray gradienter emits infrared ray, and levelling machine is placed in concrete table
When face works, infrared receiver receives the infrared ray of the transmitting of infrared ray gradienter 16, when 101 middle part of infrared receiver
When tap receives signal, infrared receiver 101 shows concrete absolute altitude deviation within the allowable range, works as infrared ray in green
When 101 top of receiver receives signal, infrared receiver 101 is in yellow, shows that concrete absolute altitude is relatively low；When infrared ray connects
When receipts 101 lower part of device receives signal, infrared receiver 101 takes on a red color, and shows that concrete absolute altitude is higher；Infrared ray is received
Device 101 is installed on the two sides of levelling machine 1, and levelling machine is placed in concrete surface work, after having installed infrared ray gradienter 16, leads to
Cross infrared receiver to the different colours presented after signal, so that concrete absolute altitude is controlled, when receiving the work of face machine, without repeatedly
Band line measures, easy for installation, while substantially increasing the control of concrete surface absolute altitude, and the infrared ray gradienter in the present invention
It can be received into the level meter holder on levelling machine, infrared ray gradienter can be protected well when not in use
Shield, convenience are high.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of receipts face machine for automatically controlling absolute altitude, including levelling machine (1), it is characterised in that: the body two of the levelling machine (1)
Side is mounted on infrared ray receiver (101), is equipped with level meter between the two neighboring ring support of the levelling machine (1) and is put
It sets box (2), two middle side parts of the level meter holder (2) are respectively and fixedly provided with fixed plate I (4), and the two of two neighboring ring support
Side is welded with fixed plate II (5), and two fixed plate I (4) are ridden upon respectively on two fixed plate II (5), and fixed plate I (4)
It is connected and fixed by fixing bolt (6) between fixed plate II (5), the upper end side of the level meter holder (2) passes through
Articulated shaft (10) is hinged with flip lid (3), and the inner wall upper end of the level meter holder (2) is fixed with protection air-cushion by gluing
(11), upper foam protective plate (12), the level meter holder are fixed with by gluing in the middle part of described flip lid (3) lower surface
(2) it is placed in infrared ray gradienter (16), the outer sheath of the infrared ray gradienter (16) is equipped with level meter outer cover (13), institute
The lower end for stating level meter outer cover (13) is connected with lower foam backing plate (17), and the lower end of the infrared ray gradienter (16) is provided with three
A adjusting foot (22), the upper end of the lower foam backing plate (17) open up there are three with adjust foot (22) corresponding adjusting foot locating slot
(23), the adjusting foot (22) is plugged in corresponding adjusting foot locating slot (23), the upper end of the level meter outer cover (13)
Fluted (14) are arranged in middle part, are fixed with handle (15) in the groove (14), level meter holder (2) are internally located at
The lower end of lower foam backing plate (17) is provided with damping, and foam backing plate (17) is placed on the upper end of damping.
2. it is according to claim 1 it is a kind of automatically control absolute altitude receipts face machine, it is characterised in that: the damping by
Two groups of telescoping mechanisms and damping bottom plate (18) composition, two groups of telescoping mechanisms are separately positioned on damping bottom plate (18) rear and front end, institute
Stating telescoping mechanism includes outer tube (20), and one end of the outer tube (20) is movably articulated in level meter holder (2)
Inside bottom, the outer tube (20) are inserted with flexible interior bar (19) far from the equal activity in one end of hinged place, the flexible interior bar
(19) one end being located in outer tube (20) is respectively connected with damping spring (21), and the flexible interior bar (19) is far from damping spring
(21) one end is hinged on the lower end of damping bottom plate (18), and the lower end of the lower foam backing plate (17) is placed on damping bottom plate
(18) upper end.
3. a kind of receipts face machine for automatically controlling absolute altitude according to claim 1, it is characterised in that: the level meter outer cover
(13) it is set as drum type brake transparent plastic outer cover.
4. according to claim 1 with a kind of receipts face machine of automatic control absolute altitude described in 3, it is characterised in that: the lower foam pad
Plate (17) is bonded by upper foam plectane and lower foam plectane, and the upper foam plectane is adhesively fixed on the upper of lower foam plectane
Surface middle part, and upper foam plectane is plugged in the lower end of level meter outer cover (13) by squeezing, the lower foam plectane is fitted in
The lower end of level meter outer cover (13), and the outer diameter of lower foam plectane is greater than the outer diameter of level meter outer cover (13).
5. a kind of receipts face machine for automatically controlling absolute altitude according to claim 1, it is characterised in that: the flip lid (3) is separate
One end of hinged place is connected with connecting plate I (7), is fixed with connecting plate in the middle part of the upper end other side of the level meter holder (2)
II (8), the connecting plate I (7) are connected and fixed with connecting plate II (8) patch merga pass through the connection bolt (9) of setting.
6. a kind of receipts face machine for automatically controlling absolute altitude according to claim 1, it is characterised in that: the protection air-cushion (11)
It is arranged along four side of inner wall of level meter holder (2) in rectangle frame, the thickness at least 10mm of the protection air-cushion (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733445.3A CN110424742B (en) | 2019-08-09 | Automatic receive face machine of control elevation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733445.3A CN110424742B (en) | 2019-08-09 | Automatic receive face machine of control elevation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110424742A true CN110424742A (en) | 2019-11-08 |
| CN110424742B CN110424742B (en) | 2024-04-26 |
Family
ID=
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718861A (en) * | 1990-07-02 | 1995-01-20 | Taisei Corp | Device for placing and leveling floor concrete |
| DE20021218U1 (en) * | 2000-12-15 | 2001-02-15 | Liao Ying Chou | Laser dragonfly |
| CN202577998U (en) * | 2012-05-04 | 2012-12-05 | 曹海文 | Full-automatic four-wheel laser leveling machine |
| CN104457698A (en) * | 2014-12-10 | 2015-03-25 | 衡阳泰豪通信车辆有限公司 | Level gauge protection device |
| CN104533069A (en) * | 2014-12-15 | 2015-04-22 | 范兴华 | Laser leveling machine for terrace |
| CN204461417U (en) * | 2015-03-30 | 2015-07-08 | 中铁十一局集团有限公司 | There is the engineering construction infrared ray gradienter automatically regulating horizontal functional |
| CN109282792A (en) * | 2018-11-13 | 2019-01-29 | 周剑 | A kind of infrared ray gradienter for building convenient for loading and unloading battery |
| CN208688494U (en) * | 2018-07-06 | 2019-04-02 | 江苏坤勋建设工程有限公司 | A kind of construction level meter support device |
| CN208918305U (en) * | 2018-09-14 | 2019-05-31 | 卢小荣 | A kind of height controller for floorslab concrete |
| CN210888095U (en) * | 2019-08-09 | 2020-06-30 | 中建八局第二建设有限公司 | Automatic receive face machine of control elevation |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718861A (en) * | 1990-07-02 | 1995-01-20 | Taisei Corp | Device for placing and leveling floor concrete |
| DE20021218U1 (en) * | 2000-12-15 | 2001-02-15 | Liao Ying Chou | Laser dragonfly |
| CN202577998U (en) * | 2012-05-04 | 2012-12-05 | 曹海文 | Full-automatic four-wheel laser leveling machine |
| CN104457698A (en) * | 2014-12-10 | 2015-03-25 | 衡阳泰豪通信车辆有限公司 | Level gauge protection device |
| CN104533069A (en) * | 2014-12-15 | 2015-04-22 | 范兴华 | Laser leveling machine for terrace |
| CN204461417U (en) * | 2015-03-30 | 2015-07-08 | 中铁十一局集团有限公司 | There is the engineering construction infrared ray gradienter automatically regulating horizontal functional |
| CN208688494U (en) * | 2018-07-06 | 2019-04-02 | 江苏坤勋建设工程有限公司 | A kind of construction level meter support device |
| CN208918305U (en) * | 2018-09-14 | 2019-05-31 | 卢小荣 | A kind of height controller for floorslab concrete |
| CN109282792A (en) * | 2018-11-13 | 2019-01-29 | 周剑 | A kind of infrared ray gradienter for building convenient for loading and unloading battery |
| CN210888095U (en) * | 2019-08-09 | 2020-06-30 | 中建八局第二建设有限公司 | Automatic receive face machine of control elevation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110424742A (en) | A kind of receipts face machine automatically controlling absolute altitude | |
| CN207475746U (en) | A kind of agricultural remote sensing monitoring device | |
| CN110424742B (en) | Automatic receive face machine of control elevation | |
| CN208140122U (en) | Mark post is used in a kind of mapping of Novel engineering | |
| CN216952420U (en) | Surveyor's level for hydraulic engineering measurement | |
| CN112747203A (en) | Auxiliary engine construction is measured with adjustable balanced colored pole support | |
| CN214169957U (en) | Controllable concrete surface collecting device | |
| CN209022025U (en) | A kind of flatness deformation operation platform with horizontal plane detection | |
| CN205333055U (en) | Civil engineering is surveyor's level for measurement | |
| CN211796527U (en) | One-hour urine pad test detector | |
| CN209370719U (en) | A kind of multifunction machine Filled Iron for Vibration Damping | |
| CN211218700U (en) | Main spindle box for planing table type machining center | |
| CN218766531U (en) | Building engineering manages with outer wall infiltration detection machine | |
| CN214583069U (en) | Automatic height measurement calibrating device for dispensing platform | |
| CN218863763U (en) | Diameter measuring device for engineering cost | |
| CN218116449U (en) | PC worker method stake assistance-localization real-time guide rail | |
| CN108043639A (en) | A kind of new type auto spray equipment for display frame production line | |
| CN218523333U (en) | Miniaturized battery WIFI camera | |
| CN211355526U (en) | Digital X-ray imaging equipment capable of quickly adjusting height | |
| CN208970729U (en) | A kind of vehicle-mounted transmission distance antenna | |
| CN211112321U (en) | Phage antibody elution device | |
| CN220786421U (en) | Paper tape pasting mechanism | |
| CN214812112U (en) | Uniform gluing device for laminating composite screen of intelligent instrument | |
| CN219322521U (en) | Double-knob type sound equipment | |
| CN216238462U (en) | A netted fixed soil device that protects for ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 250014 17th floor, unit 1, phase II office building, Zhongjian cultural city, 16 Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant after: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Address before: 250014 18th floor, Zhongjian building, No.16, Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant before: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Country or region before: China |
|
| GR01 | Patent grant |