CN110107789A - A kind of mining survey portable laser instrument - Google Patents
A kind of mining survey portable laser instrument Download PDFInfo
- Publication number
- CN110107789A CN110107789A CN201910490486.4A CN201910490486A CN110107789A CN 110107789 A CN110107789 A CN 110107789A CN 201910490486 A CN201910490486 A CN 201910490486A CN 110107789 A CN110107789 A CN 110107789A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- slide bar
- outer sleeve
- socketed
- inner sleeve
- 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.)
- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
-
- 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
Abstract
The invention discloses a kind of mining survey portable laser instruments, belong to measurement equipment technical field, including holder and the laser being mounted on holder, it further include pedestal, intermediate external member, upper slide bar and leg assembly, intermediate external member includes the outer sleeve and inner sleeve by internal terminal pad connection, outer sleeve and inner sleeve are coaxial arrangement, the upper bush of pedestal is socketed on the external cylindrical surface of inner sleeve, upper slide bar is socketed on the inner cylinder face of inner sleeve, the top of upper slide bar connects holder, the connection ring set of leg assembly is socketed on the external cylindrical surface of upper bush, several leg members of leg assembly are hinged on connection ring and put on；The external cylindrical surface upper and lower ends of outer sleeve are respectively fixedly connected with a rope ring, and bind has harness between rope ring.Mining survey of the present invention portable laser instrument, can sufficiently fold, and carry convenient for mining survey technical staff.
Description
Technical field
The present invention relates to measurement equipment technical field more particularly to a kind of mining survey portable laser instruments.
Background technique
Mine includes coal mine, metallic ore, nonmetallic ore, building materials mine and chemical mine etc..When mining survey is mine construction
The important ring of phase and production period.It to be not only mining production construction clothes since mining survey work is related to ground and underground
Business also will provide information for safety in production.Modernize mine survey engineering in, often use laser surveying instrument for
Mine information is acquired, and it is more accurate to measure, and data are relatively reliable.
However, mining survey laser device in the prior art, usual structure simply cannot be folded sufficiently, and laser measurement
The three-legged support needs of instrument are manually carried.Three-legged support by binding is very rolled in the carrying crossed over mountain after mountain
Grind carrying personnel.The bottom tip of three-legged support and the collision of easy and branch scratch carrying personnel, influence to move ahead, give and measure
Work brings a great deal of trouble trouble, also damaged easily laser.
Therefore, a kind of mining survey portable laser instrument how is designed, carries, becomes convenient for mining survey technical staff
Those skilled in the art will currently solve the problems, such as.
Summary of the invention
The object of the present invention is to provide a kind of mining survey portable laser instruments, can sufficiently fold, and are convenient for mine
Measuring technique personnel carry.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of mining survey portable laser instrument of the present invention, including holder and the laser being mounted on the holder
Instrument, further includes pedestal, intermediate external member, upper slide bar and leg assembly, and the intermediate external member includes being connected by internal terminal pad
Outer sleeve and inner sleeve, the outer sleeve and inner sleeve are coaxial arrangement, on the external cylindrical surface of the inner sleeve described in socket
The upper bush of pedestal, the upper slide bar is socketed on the inner cylinder face of the inner sleeve, and the top of the upper slide bar connects the cloud
The connection ring set of platform, the leg assembly is socketed on the external cylindrical surface of the upper bush, several stabilizer blades of the leg assembly
Part is hinged on the connection ring and puts on；
The external cylindrical surface upper and lower ends of the outer sleeve are respectively fixedly connected with a rope ring, bind between the rope ring
There is harness.
Further, be socketed between the inner sleeve of connection and upper bush, between the inner sleeve and upper slide bar, it is described
Locking line structure is provided between connection ring set and upper bush, the locking line structure includes locked groove group, raised line group and allows
Position through slot, several locked groove groups casing inner periphery uniformly at intervals, the raised line group of identical quantity is in slide bar periphery circumference
Uniformly at intervals, resigning through slot is set as between the adjacent locked groove group, the arc angle of the locked groove group is greater than the raised line
The arc angle of group；
Angle between two cell walls of the single locked groove of the locked groove group is 2 °~4 °, the protrusion line group it is single convex
Angle is identical as the locked groove group between the side wall of graining.
Further, the leg member of the leg assembly includes casing, slip pipe and locking jackscrew, the top hinge of described sleeve pipe
It connects on connection ring set, the bottom inner hole of described sleeve pipe is socketed the slip pipe, for locking the locking of the slip pipe
Jackscrew is arranged in the bottom sidewall of described sleeve pipe.
Further, the end of the slip pipe is provided with the tip for facilitating insertion into bottom surface, sets on the bottom surface of the terminal pad
It is equipped with convenient for placing the limited ring groove of the tip.
Further, it is provided at the top of the pedestal convenient for being clamped the protective edge of the outer sleeve lower edge.
Further, plastic cover is connected at the top of the outer sleeve, the protecting cover is connected to described outer by skirt
Protection is retracted to the laser inside the outer sleeve on the top external cylindrical surface of sleeve.
Compared with prior art, advantageous effects of the invention:
When expansion, upper slide bar is mentioned along the inner wall of inner sleeve for a kind of mining survey portable laser instrument of the present invention
It is raised to a high position, intermediate external member is lifted up a high position along the upper bush of pedestal, by the connection ring set of leg assembly along upper set
The external cylindrical surface of cylinder is promoted to a high position and opens the leg member certain angle, and the end support of the leg member is on the ground.
The hoisting depth of each socket place be can be adjusted according to the needs convenient for completing measurement work.When carrying, need to shrink the present invention,
Upper slide bar is reduced to lowest order along the inner wall of inner sleeve, by the connection ring set of leg assembly under the external cylindrical surface of upper bush
It is preferably minimized position, the external cylindrical surface that the leg member is adjacent to the upper bush is shunk, by intermediate external member along the upper bush of pedestal
It is reduced to lowest order.At this point, laser device of the present invention is retracted in outer sleeve, and harness is easy to use to carry.
In addition, between the inner sleeve and upper bush of socket connection, between inner sleeve and upper slide bar, connection ring set and upper bush
Between be provided with locking line structure, convenient for the adjustment and locking between each movable part.
Detailed description of the invention
The invention will be further described for explanation with reference to the accompanying drawing.
Fig. 1 is structural schematic diagram when mining survey portable laser instrument of the present invention is unfolded；
Fig. 2 is structural schematic diagram when mining survey portable laser instrument of the present invention folds；
Fig. 3 is the section view of inner sleeve；
Fig. 4 is the inner hole circumferentially deploying figure of Fig. 3；
Fig. 5 is the section view of upper slide bar；
Fig. 6 is the periphery circumferentially deploying figure of Fig. 5；
Description of symbols: 1, pedestal；101, protective edge；102, upper bush；2, intermediate external member；201, outer sleeve；；202, interior
Sleeve；203, terminal pad；203a, limited ring groove；204, rope ring；3, upper slide bar；4, holder；5, laser；6, leg assembly；
601, casing；602, slip pipe；603, jackscrew is locked；604, ring set is connected；7, harness；8, locked groove group；9, raised line group；10, it allows
Position through slot.
Specific embodiment
Core of the invention is to provide a kind of mining survey portable laser instrument, can sufficiently fold, and is convenient for mine
Measuring technique personnel carry.
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 and complete
Description, it is clear that described embodiment is 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.
With reference to each attached drawing of the specific embodiment of the invention, Fig. 1 is mining survey portable laser instrument exhibition of the present invention
Structural schematic diagram when opening；Fig. 2 is structural schematic diagram when mining survey portable laser instrument of the present invention folds；Fig. 3 is inner sleeve
The section view of cylinder；Fig. 4 is the inner hole circumferentially deploying figure of Fig. 3；Fig. 5 is the section view of upper slide bar；Fig. 6 is the periphery of Fig. 5
Circumferentially deploying figure.
In a specific embodiment, as shown in Fig. 1~2, a kind of mining survey portable laser instrument, including holder
4 and the laser 5 that is mounted on holder 4, it further include pedestal 1, intermediate external member 2, upper slide bar 3 and leg assembly 6, intermediate external member 2
Including the outer sleeve 201 and inner sleeve 202 connected by internal terminal pad 203, outer sleeve 201 and inner sleeve 202 are coaxial
It is arranged, the upper bush 102 of pedestal 1 is socketed on the external cylindrical surface of inner sleeve 202, set connects cunning on the inner cylinder face of inner sleeve 202
The top of bar 3, upper slide bar 3 connects holder 4, and the connection ring set 604 of leg assembly 6 is socketed on the external cylindrical surface of upper bush 102,
Four leg members of leg assembly 6 are hinged on connection ring set 604.
Also, the external cylindrical surface upper and lower ends of outer sleeve 201 are respectively fixedly connected with a rope ring 204, rope ring 204 it
Between bind have harness 7.
When expansion, upper slide bar 3 is mentioned along the inner wall of inner sleeve 202 for mining survey of the present invention portable laser instrument
It is raised to a high position, intermediate external member 2 is lifted up a high position along the upper bush 102 of pedestal 1, by the connection ring set of leg assembly 6
604 are promoted along the external cylindrical surface of upper bush 102 and to a high position and open the leg member certain angle, the end branch of the leg member
Support is on the ground.The hoisting depth of each socket place be can be adjusted according to the needs convenient for completing measurement work.When carrying, need by
The present invention is shunk, and upper slide bar 3 is reduced to lowest order along the inner wall of inner sleeve 202, by the connection ring set 604 of leg assembly 6
External cylindrical surface along upper bush 102 drops to lowest order, shrinks the external cylindrical surface that the leg member is adjacent to the upper bush 102,
Intermediate external member 2 is reduced to lowest order along the upper bush 102 of pedestal 1.At this point, laser device of the present invention is retracted to outer sleeve
In 201, harness 7 is easy to use to carry.
In a specific embodiment of the invention, as illustrated in figures 3-6, it is socketed the inner sleeve 202 and upper bush of connection
Between 102, between inner sleeve 202 and upper slide bar 3, connection ring set 604 and upper bush 102 between be provided with locking line structure,
Locking line structure includes locked groove group 8, raised line group 9 and resigning through slot 10, two locked groove groups 8 casing inner periphery uniformly at intervals,
The raised line group 9 of identical quantity is uniformly distributed in the slide bar periphery circle spacing, is set as resigning through slot 10 between adjacent locked groove group 8,
The arc angle of locked groove group 8 is greater than the arc angle X of raised line group 9, and angle X is less than 90 degree in the present embodiment.Further, it locks
Angle Y between two cell walls of the single locked groove of slot group 8 is 2 °~4 °, between the side wall of the single raised line of raised line group 9
Angle is identical as locked groove group 8.It is illustrated by taking inner sleeve 202 and upper slide bar 3 directly locking line structure as an example, promotes upper slide bar
When 3, upper slide bar 3 is rotated by 90 ° counterclockwise relative to inner sleeve 202 first, the raised line group 9 of upper slide bar 3 is located at inner sleeve at this time
202 10 position of resigning through slot does not hinder, and upper slide bar 3 is firmly promoted to after needing height, by upper slide bar 3 relative to inner sleeve
202 rotate clockwise 90 degree, and the raised line group 9 of upper slide bar 3 is embedded in the locked groove group 8 of inner sleeve 202, and setting due to angle Y
It sets, inner sleeve 202 and upper slide bar 3 is locked.
In a specific embodiment of the invention, as shown in Fig. 1~2, the leg member of leg assembly 6 include casing 601,
Slip pipe 602 and locking jackscrew 603, the top of casing 601 are hinged on connection ring set 604, and the bottom inner hole of casing 601, which is socketed, to be slided
The bottom sidewall of casing 601 is arranged in pipe 602, the locking jackscrew 603 for locking slip pipe 602.
Further, the end of slip pipe 602 is provided with the tip for facilitating insertion into bottom surface, is arranged on the bottom surface of terminal pad 203
Have convenient for placing the limited ring groove 203a of tip.The stretching for being conveniently adjusted leg member by the setting of casing 601 and slip pipe 602 is long
Degree easily facilitates the adjusting work for being unfolded to carry out when laser device of the present invention.
In a specific embodiment of the invention, as shown in Fig. 1~2, the top of pedestal 1 is provided with convenient for clamping housing
The protective edge 101 of 201 lower edges of cylinder.It can be played a protective role to 201 lower edge of outer sleeve by protective edge 101, when preventing accidental shock
Cause the lower edge of outer sleeve 201 by collision deformation.
In a specific embodiment of the invention, the top of outer sleeve 201 is connected with plastic cover, and protecting cover passes through skirt
It is connected to protection on the top external cylindrical surface of outer sleeve 201 and is retracted to the laser 5 inside outer sleeve 201, play water proof and dust proof
Effect.Tied rope bind also can be used on the rope ring 204 at 201 top of outer sleeve in the plastic cover, prevents from losing.
The portable laser instrument of mining survey described in this case passes through the inner sleeve 202 and upper bush 102 of socket connection
Between, the socket locking mechanism between inner sleeve 202 and upper slide bar 3, between connection ring set 604 and upper bush 102, can be abundant
Folding shrinking laser device of the present invention, and the harness 7 being arranged on 201 outer wall of outer sleeve is easy to use to carry.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (6)
1. a kind of mining survey portable laser instrument, including holder (4) and the laser being mounted on the holder (4)
(5), it is characterised in that: further include pedestal (1), intermediate external member (2), upper slide bar (3) and leg assembly (6), the intermediate external member
(2) include by the outer sleeve (201) and inner sleeve (202) of internal terminal pad (203) connection, the outer sleeve (201) and
Inner sleeve (202) is coaxial arrangement, and the upper bush of the pedestal (1) is socketed on the external cylindrical surface of the inner sleeve (202)
(102), it is socketed the upper slide bar (3) on the inner cylinder face of the inner sleeve (202), the top of the upper slide bar (3) connects institute
It states holder (4), the connection ring set (604) of the leg assembly (6) is socketed on the external cylindrical surface of the upper bush (102), institute
Several leg members for stating leg assembly (6) are hinged on the connection ring set (604)；
The external cylindrical surface upper and lower ends of the outer sleeve (201) are respectively fixedly connected with a rope ring (204), the rope ring
(204) bind has harness (7) between.
2. mining survey according to claim 1 portable laser instrument, it is characterised in that: be socketed the described interior of connection
Between sleeve (202) and upper bush (102), between the inner sleeve (202) and upper slide bar (3), the connection ring set (604) with
Locking line structure is provided between upper bush (102), the locking line structure includes locked groove group (8), raised line group (9) and allows
Position through slot (10), several locked groove groups (8) casing inner periphery uniformly at intervals, the raised line group (9) of identical quantity is in slide bar
The periphery circle spacing is uniformly distributed, is set as resigning through slot (10) between the adjacent locked groove group (8), the circle of the locked groove group (8)
Arc angle is greater than the arc angle of the raised line group (9)；
Angle between two cell walls of the single locked groove of the locked groove group (8) is 2 °~4 °, it is described protrusion line group (9) it is single
Angle is identical as locked groove group (8) between the side wall of raised line.
3. mining survey according to claim 1 portable laser instrument, it is characterised in that: the leg assembly (6)
Leg member include casing (601), slip pipe (602) and locking jackscrew (603), be hinged at the top of described sleeve pipe (601) described
It connects on ring set (604), the bottom inner hole of described sleeve pipe (601) is socketed the slip pipe (602), for locking the slip pipe
(602) the locking jackscrew (603) is arranged in the bottom sidewall of described sleeve pipe (601).
4. mining survey according to claim 3 portable laser instrument, it is characterised in that: the slip pipe (602)
End is provided with the tip for facilitating insertion into bottom surface, is provided on the bottom surface of the terminal pad (203) convenient for placing the tip
Limited ring groove (203a).
5. mining survey according to claim 1 portable laser instrument, it is characterised in that: the top of the pedestal (1)
Portion is provided with to be clamped the protective edge (101) of outer sleeve (201) lower edge.
6. mining survey according to claim 1 portable laser instrument, it is characterised in that: the outer sleeve (201)
Top be connected with plastic cover, the protecting cover is connected on the top external cylindrical surface of the outer sleeve (201) by skirt and is protected
Shield is retracted to the internal laser (5) of the outer sleeve (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490486.4A CN110107789A (en) | 2019-06-06 | 2019-06-06 | A kind of mining survey portable laser instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490486.4A CN110107789A (en) | 2019-06-06 | 2019-06-06 | A kind of mining survey portable laser instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107789A true CN110107789A (en) | 2019-08-09 |
Family
ID=67494076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490486.4A Pending CN110107789A (en) | 2019-06-06 | 2019-06-06 | A kind of mining survey portable laser instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107789A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578084A (en) * | 2020-06-08 | 2020-08-25 | 兰金美 | High-efficient intelligence environment detection device convenient to installation |
| CN111854714A (en) * | 2020-07-31 | 2020-10-30 | 谭章平 | Slope fixing device of laser direction indicator for mine measurement |
| KR102573681B1 (en) * | 2023-03-14 | 2023-09-04 | 삼부기술 주식회사 | Geodetic surveying device for stably fixing staff to ground |
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| CN201047375Y (en) * | 2007-04-04 | 2008-04-16 | 河南省电力公司漯河供电公司 | Quick-speed locking telescopic link |
| CN104848008A (en) * | 2015-04-16 | 2015-08-19 | 威宝摄影器材有限公司 | Photographing and camera shooting supporting rod capable of adjusting angles at will |
| CN205191113U (en) * | 2015-11-27 | 2016-04-27 | 台州揽信电器有限公司 | Foot rest |
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| CN207625637U (en) * | 2017-12-30 | 2018-07-17 | 东莞市铨润通讯电子有限公司 | A kind of portable electronics holder |
| US20180259120A1 (en) * | 2017-03-10 | 2018-09-13 | Stanley Lawrence | Survey Support Apparatus |
| CN108758276A (en) * | 2018-06-07 | 2018-11-06 | 河南工程学院 | A kind of instrument of surveying and mapping holder |
| CN208588381U (en) * | 2018-08-17 | 2019-03-08 | 初歧 | A kind of mining survey portable laser instrument |
-
2019
- 2019-06-06 CN CN201910490486.4A patent/CN110107789A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201047375Y (en) * | 2007-04-04 | 2008-04-16 | 河南省电力公司漯河供电公司 | Quick-speed locking telescopic link |
| CN104848008A (en) * | 2015-04-16 | 2015-08-19 | 威宝摄影器材有限公司 | Photographing and camera shooting supporting rod capable of adjusting angles at will |
| CN205191113U (en) * | 2015-11-27 | 2016-04-27 | 台州揽信电器有限公司 | Foot rest |
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| US20180259120A1 (en) * | 2017-03-10 | 2018-09-13 | Stanley Lawrence | Survey Support Apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578084A (en) * | 2020-06-08 | 2020-08-25 | 兰金美 | High-efficient intelligence environment detection device convenient to installation |
| CN111578084B (en) * | 2020-06-08 | 2021-09-07 | 山东益源环保科技有限公司 | High-efficient intelligence environment detection device convenient to installation |
| CN111854714A (en) * | 2020-07-31 | 2020-10-30 | 谭章平 | Slope fixing device of laser direction indicator for mine measurement |
| KR102573681B1 (en) * | 2023-03-14 | 2023-09-04 | 삼부기술 주식회사 | Geodetic surveying device for stably fixing staff to ground |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190809 |