CN201795796U - Laser line marking instrument positioning control frame for digitalized building surveying and mapping - Google Patents
Laser line marking instrument positioning control frame for digitalized building surveying and mapping Download PDFInfo
- Publication number
- CN201795796U CN201795796U CN2010202609280U CN201020260928U CN201795796U CN 201795796 U CN201795796 U CN 201795796U CN 2010202609280 U CN2010202609280 U CN 2010202609280U CN 201020260928 U CN201020260928 U CN 201020260928U CN 201795796 U CN201795796 U CN 201795796U
- Authority
- CN
- China
- Prior art keywords
- laser line
- vertical
- laser
- mapping
- line marker
- 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.)
- Expired - Fee Related
Links
- 238000013507 mapping Methods 0.000 title claims abstract description 68
- 239000003550 marker Substances 0.000 claims description 79
- 238000005259 measurement Methods 0.000 abstract 2
- 238000010330 laser marking Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 37
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000000295 complement effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000234282 Allium Species 0.000 description 1
- 235000002732 Allium cepa var. cepa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a laser line marking instrument positioning control frame for digitalized building surveying and mapping, comprising a horizontal rod, a vertical rod and a laser line marking instrument, wherein the horizontal rod and the vertical rod are fixedly connected to form sliding fit; the central axis of the horizontal rod and the central axis of the vertical rod are vertical; the marked line on the lower surface of the horizontal rod and the central axis of the vertical rod are in the same vertical surface; a laser marking line instrument installing frame is fixed on the vertical rod, is positioned below the horizontal rod and forms sliding fit with the vertical rod; a laser line marking instrument is fixed on the laser line marking instrument installing frame; and the vertical laser sector surface projected by the laser line marking instrument, the marked line on the lower surface of the horizontal rod and the central axis of the vertical rod are in the same surface of the vertical surface. The laser line marking instrument positioning control frame can control the laser line marking instrument to accurately position the mark so as to carry out simulated measurement on modeling marking lines at the outer surfaces of the building parts, and realize simulated measurement of digitalized building surveying and mapping of building parts to the positions of high buildings lower than the position where a surveying and mapping person is located under the premise without setting scaffolds.
Description
Technical field
The utility model relates to and is used to control the Laser Line Marker location in the digital building mapping, indicates the aid that modeling indicates line to utilize Laser Line Marker at construction to be measured position outside surface, is mainly used in architectural mapping field in modern times.
Background technology
At present, known architectural mapping method is " a traditional architecture mapping method ", and its range of application comprises the ancient building mapping, also comprises the architectural mapping in modern times.After " traditional architecture mapping method " refers to that nineteen thirty Zhu Qiqian foundes " Chinese tectonics society ", architectural mapping method on the Modern Significance that China first generation architect Liang Sicheng, Liu Dunzhen etc. introduce Western Modern architectural mapping method, found in conjunction with the Chinese ancient architecture feature also continued into the present for Chinese architecture mapping circle's widespread use afterwards always.Promptly continue this architectural mapping method as regular higher education civil engineering subject specialty Tenth Five-year plan teaching material " ancient building mapping ".(referring to the Wang Qiheng chief editor, the Wu green onion is established an army in vain and writes. ancient building mapping [M]. and Beijing: China Construction Industry Press, 2006)
One of disadvantage of traditional architecture mapping method is the pile mapping that need scaffold erecting, if do not scaffold erecting, the elevation of building schema mapping of the construction site that the mapping person can not directly contact can't be surveyed and drawn.Scaffold erecting and need expend a large amount of financial resource and material resource, this increases substantially the cost of architectural mapping; Ce Hui pile does not possess the condition that scaffolds erecting if desired, will the mapping of elevation of building schema mapping can't be carried out.
The utility model content
The purpose of this utility model provides a kind of Laser Line Marker positioning control frame that is used for the digital building mapping, being used to be implemented under the prerequisite that pile do not scaffold erecting, to the mapping person can not construction site direct control, that be lower than the mapping person position the mapping of digital building facade schema mapping.
For achieving the above object, technical solution adopted in the utility model is: this Laser Line Marker positioning control frame that is used for the digital building mapping comprises horizon bar, vertical bar and Laser Line Marker, described horizon bar is fixedlyed connected and is formed with vertical bar and is slidingly matched, the axis of described horizon bar is vertical mutually with the axis of vertical bar, and the axis of sign line on the lower surface of described horizon bar and vertical bar is on same vertical plane; Also be fixed with the Laser Line Marker erecting frame on the described vertical bar, described Laser Line Marker erecting frame is positioned at the below of horizon bar, described Laser Line Marker erecting frame forms with vertical bar and is slidingly matched, described Laser Line Marker is fixed on the Laser Line Marker erecting frame, and the vertical plane at the sign line on the vertical laser covering of the fan that described Laser Line Marker throwed and the lower surface of described horizon bar and the place, axis of described vertical bar is same.
Further, the xsect of vertical bar described in the utility model is circle or annular.
Further, vertical bar described in the utility model constitutes by dismountable quarter butt head and the tail are fixedly connected.
Compared with prior art, the beneficial effects of the utility model are: (1) the utility model is simple in structure, easy to use.(2) under the prerequisite that does not scaffold erecting, use prior art, promptly use the traditional architecture mapping method can't survey and draw the construction site that the mapping person can not directly contact in the pile, this causes the mapping of elevation of building schema mapping to implement.Because using the utility model Laser Line Marker positioning control frame control Laser Line Marker accurately locatees, utilize Laser Line Marker to indicate the modeling sign line that this pile is lower than the construction to be measured position outside surface of mapping person position, and then take the graticule modeling photo of this construction site, finish mapping to the digital building facade schema mapping of this construction site, thereby under the prerequisite that does not scaffold erecting, the mapping of using the elevation of building schema mapping that prior art can't finish is finished in the final mapping that realizes the digital building facade schema mapping of pile.(3) the utility model is the aid of mapping of the digital building facade schema mapping of implementing pile of not scaffolding erecting, and the mapping pile that do not scaffold erecting can be saved the expense that scaffolds erecting, and reduces the cost of architectural mapping significantly.
Description of drawings
Fig. 1 is the structural representation of the utility model Laser Line Marker positioning control frame;
Fig. 2 is to use the utility model that the construction to be measured spots localization Laser Line Marker that is lower than the mapping person position is indicated the synoptic diagram that modeling indicates line;
Among the figure, 1. horizon bar; 2. vertical bar; 3. link; 4. Laser Line Marker erecting frame; 5. Laser Line Marker; 6. vertical laser covering of the fan; 7. modeling indicates line; 8. construction to be measured position.
Embodiment
As shown in Figure 1, the Laser Line Marker positioning control frame that the utility model is used for the digital building mapping comprises horizon bar 1, vertical bar 2 and Laser Line Marker 5, horizon bar 1 is fixedlyed connected with vertical bar 2 by link 3, the circular hole that the middle part of link 3 has the external diameter of diameter and vertical bar 2 to be complementary, vertically bar 2 passes the circular hole of link 3, form between the two and be slidingly matched, vertically bar 2 can vertically slide up and down in the circular hole of link 3, and can use the securing member of link 3 to be locked in the precalculated position.The axis of horizon bar 1 is vertical mutually with the axis of vertical bar 2.Drawing the sign line of axis on same vertical plane that has with vertical bar 2 on the lower surface of horizon bar 1.
Vertically also be fixed with Laser Line Marker erecting frame 4 on the bar 2, Laser Line Marker erecting frame 4 is positioned at the below of horizon bar 1.The xsect circular or the annular of vertical bar 2.The circular hole that the middle part of Laser Line Marker erecting frame 4 has the external diameter of diameter and vertical bar 2 to be complementary, vertically bar 2 passes the circular hole of Laser Line Marker erecting frame 4, form between the two and be slidingly matched, Laser Line Marker erecting frame 4 can vertically vertically slided up and down on the bar 2, and can use the securing member of Laser Line Marker erecting frame 4 to be locked in the precalculated position.Laser Line Marker 5 is fixed on the Laser Line Marker erecting frame 4.During concrete operations, the vertical laser covering of the fan 6 that Laser Line Marker 5 is throwed intersects formation laser intersection with the lower surface of horizon bar 1, whether the sign line of drawing on the lower surface with this laser intersection and horizon bar 1 overlaps as judging whether vertical laser covering of the fan 6 that Laser Line Marker 5 is throwed meets is used the utility model Laser Line Marker positioning control frame to indicate the criterion that modeling indicates the requirement of line, only under the situation that the sign line of drawing on the lower surface of this laser intersection and horizon bar 1 overlaps, the sign line of drawing on the vertical laser covering of the fan 6 that Laser Line Marker 5 is throwed and the lower surface of horizon bar 1, vertically the central shaft of bar 2 just can be on same vertical plane, and the vertical laser covering of the fan 6 that Laser Line Marker 5 is throwed is only to meet and uses the utility model Laser Line Marker positioning control frame to indicate the vertical laser covering of the fan that modeling indicates the requirement of line.
As preferred implementation of the present utility model, vertically bar 2 constitutes by dismountable quarter butt head and the tail are fixedly connected, and an end of every quarter butt has external screw, and the other end has supporting cloudy nut, can make vertical bar 2 be combined into stock by many quarter butts.This makes the mapping person can constitute the quantity of the quarter butt of vertical bar 2 by increase and decrease, and the position of regulating the top one joint quarter butt that constitutes vertical bar 2, but in the falling head of the vertical bar 2 of the position control of mapping person's direct control, thereby the position of control Laser Line Marker 5.Because the digital building mapping need be used the utility model Laser Line Marker positioning control frame to indicate modeling at various construction site and indicate line, the operating environment complexity, operation easier is bigger, and the vertical bar 2 in the utility model constitutes by dismountable quarter butt head and the tail are fixedly connected, operation easier is reduced significantly, the more important thing is, because of using dismountable quarter butt to operate in narrow environment, the narrow construction site that many use stocks can't be operated can use the utility model Laser Line Marker positioning control frame to indicate modeling and indicate line.
When using the utility model Laser Line Marker positioning control frame to implement the digital building mapping, the graticule instrument that uses is self leveling Laser Line Marker 5, use self leveling Laser Line Marker 5 to meet horizontal laser light covering of the fan or the vertical laser covering of the fan that the digital building mapping method requires to the outside surface projection at construction to be measured position 8, it is exactly the horizontal cutting plane at construction to be measured position 8 or the outer contour of vertical cutting plane that this horizontal laser light covering of the fan or vertical laser covering of the fan intersect the intersection that forms with the outside surface at construction to be measured position 8, be the outer contour of the elevation of building schema mapping at construction to be measured position 8, be called modeling and indicate line 7.
The self leveling Laser Line Marker has multiple model on the market at present, as Lay match LS619 self leveling Laser Line Marker, exportable 180 ° of horizontal laser light covering of the fan, two orthogonal 180 ° of vertical laser covering of the fans, and a laser positioning point vertically downward; Lay match LS618 self leveling Laser Line Marker, exportable 180 ° of horizontal laser light covering of the fan, two orthogonal 90 ° of vertical laser covering of the fans, and a laser positioning point vertically downward.
Laser Line Marker erecting frame and supporting dismountable quarter butt have multiple model on the market at present, and the Laser Line Marker CG-1 support bar as Changzhou Lay network Instr Ltd. produces contains Laser Line Marker erecting frame and supporting dismountable quarter butt.
As shown in Figure 2, Laser Line Marker 5 is installed on the Laser Line Marker erecting frame 4 of vertical bar 2 lower ends, open Laser Line Marker, the horizontal laser light covering of the fan of confirming Laser Line Marker is with after vertical laser covering of the fan 6 normally throws, regulate Laser Line Marker 5, the vertical laser covering of the fan 6 of its projection is intersected with horizon bar 1 lower surface form the laser intersection, and this laser intersection is overlapped with sign line on horizon bar 1 lower surface.The crevice projection angle of the vertical laser covering of the fan of locking Laser Line Marker also makes Laser Line Marker be in opening all the time in operating process, the utility model Laser Line Marker positioning control frame is placed on the precalculated position of 8 tops, construction to be measured position, is fixed on horizon bar 1 on the construction to be measured and confirms that horizon bar 1 is in horizontality; The position of confirming the Laser Line Marker positioning control frame meets the mapping requirement, as vertical with building exterior wall face.Behind horizon bar 1 location, because of the sign line on the vertical laser covering of the fan 6 of Laser Line Marker 5 projection and horizon bar 1 lower surface on same vertical plane, can guarantee that the intersection of vertical laser covering of the fan 6 or horizontal laser light covering of the fan and construction to be measured position 8 outside surfaces meets the sign requirement of modeling sign line 7.Constitute the quantity of the quarter butt of vertical bar 2 by increase and decrease, and the position of regulating the top one joint quarter butt that constitutes vertical bar 2, but falling head at the vertical bar 2 of the position control of mapping person's direct control, thereby control Laser Line Marker 5 arrives the position that mapping persons can not direct control, after Laser Line Marker 5 arrives this position, lock vertical bar 2, the position of promptly locked Laser Line Marker 5.Laser Line Marker 5 is opened before decline, is in opening in whole operation process all the time, and Laser Line Marker 5 arrives and is locked in this position and promptly finished the sign that modeling indicates line 7.
As shown in Figure 2, below be that the construction to be measured position of single-curved surface geometrical body and plane geometrical body is an example with the outside surface, introduce the step of using the utility model Laser Line Marker positioning control frame the construction to be measured position 8 that is lower than the mapping person position to be implemented the mapping of digital building facade schema mappings:
(1) self leveling Laser Line Marker 5 is fixed on the Laser Line Marker erecting frame 4 of the utility model Laser Line Marker positioning control frame, utilize Laser Line Marker 5 to throw vertical laser covering of the fan 6 to the outside surface at construction to be measured position 8, the outside surface at vertical laser covering of the fan 6 and construction to be measured position 8 intersects and forms modeling and indicate line 7, and the condition that vertical laser covering of the fan 6 must satisfy is: the outside surface at construction to be measured position 8 is positioned at normal on the modeling sign line 7 all on the plane at vertical laser covering of the fan 6 places.
(2) in the viewfinder range at the construction to be measured position 8 of intending taking, obtain two groups of line segments, the line segment that is obtained is horizontal line or vertical curve.Wherein, each group line segment contains two line segments, and same group of two interior line segments are parallel to each other, and is vertical mutually between the line segment on the same group.
Obtain a plane of intersecting with construction to be measured position 8, this plane is parallel or vertical with the laser covering of the fan; In this plane, obtain a geometric figure again, measure and draw the required form dimension of this geometric figure.
Specifically, as shown in Figure 2, in the viewfinder range at the construction to be measured position 8 of intending taking, obtain the sets of line segments 1 that comprises line segment AB and line segment DC, and the sets of line segments 2 that comprises line segment AD and line segment BC, line segment AB in the sets of line segments 1 and line segment DC are parallel to each other and are horizontal line, and line segment AD in the sets of line segments 2 and line segment BC are parallel to each other and are vertical curve, and the line segment in the sets of line segments 1 is vertical mutually with line segment in the sets of line segments 2.Obtain the plane ABCD by line segment AB and line segment DC location, this plane ABCD is crossing with construction to be measured position 8, and plane ABCD is vertical with vertical laser covering of the fan 6.
Obtain a geometric figure in the ABCD of plane again, promptly rectangle ABCD measures and draws required form dimension line segment AB of rectangle ABCD and the length of line segment BC.
(3) utilize camera to take the photo at construction to be measured position 8, this photo shows modeling and indicates line 7, the described two groups of line segments of step (2), promptly comprises the sets of line segments 1 of line segment AB and line segment DC, the sets of line segments 2 that comprises line segment AD and line segment BC and rectangle ABCD.
(4) use modeling software, for example use Google SketchUp software, with two groups of line segments in the described photo of step (3) is foundation, and the perspective relation of adjusting scene modeling is so that the perspective relation coupling at the construction to be measured position 8 in the described photo of the perspective relation of this scene modeling and step (3).
(5) draw rectangle ABCD according to the length of required form dimension line segment AB of the measured drafting rectangle ABCD of step (2) and line segment BC, with rectangle ABCD is the described photo of modeling size reference plane convergent-divergent step (3), photo behind the convergent-divergent and this modeling size reference plane rectangle ABCD are complementary, and serve as according to the three-dimensional model of setting up construction to be measured position 8 with the photo behind the convergent-divergent.
(6) serve as according to the elevation of building schema mapping that generates construction to be measured position 8 with the described three-dimensional model of step (5).
To sum up, utilize that the utility model Laser Line Marker positioning control frame can not direct control the mapping person, the height that is lower than the mapping person position uses Laser Line Marker 5 to indicate the modeling sign line 7 at construction to be measured position 8, indicate the graticule modeling photo that modeling indicates the construction to be measured position 8 of line 7 thereby can take, and be foundation with this graticule modeling photo, use modeling software, set up the three-dimensional model of construction to be measured position 8 outside surfaces, and serve as according to the elevation of building schema mapping that generates construction to be measured position 8 with this three-dimensional model, finally be implemented in the digital building facade schema mapping mapping of finishing this construction site under the prerequisite that does not scaffold erecting.
Claims (3)
1. one kind is used for the Laser Line Marker positioning control frame that digital building is surveyed and drawn, it is characterized in that: comprise horizon bar (1), vertical bar (2) and Laser Line Marker (5), described horizon bar (1) is fixedlyed connected and is formed with vertical bar (2) and is slidingly matched, the axis of described horizon bar (1) is vertical mutually with the axis of vertical bar (2), and the axis of sign line on the lower surface of described horizon bar (1) and vertical bar (2) is on same vertical plane; Also be fixed with Laser Line Marker erecting frame (4) on the described vertical bar (2), described Laser Line Marker erecting frame (4) is positioned at the below of horizon bar (1), described Laser Line Marker erecting frame (4) forms with vertical bar (2) and is slidingly matched, described Laser Line Marker (5) is fixed on the Laser Line Marker erecting frame (4), and the vertical plane at the sign line on the vertical laser covering of the fan that described Laser Line Marker (5) is throwed and the lower surface of described horizon bar (1) and the place, axis of described vertical bar (2) is same.
2. the Laser Line Marker positioning control frame that is used for the digital building mapping according to claim 1, it is characterized in that: the xsect of described vertical bar (2) is circle or annular.
3. the Laser Line Marker positioning control frame that is used for the digital building mapping according to claim 1 and 2 is characterized in that: described vertical bar (2) constitutes by dismountable quarter butt head and the tail are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202609280U CN201795796U (en) | 2010-07-16 | 2010-07-16 | Laser line marking instrument positioning control frame for digitalized building surveying and mapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202609280U CN201795796U (en) | 2010-07-16 | 2010-07-16 | Laser line marking instrument positioning control frame for digitalized building surveying and mapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795796U true CN201795796U (en) | 2011-04-13 |
Family
ID=43850702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202609280U Expired - Fee Related CN201795796U (en) | 2010-07-16 | 2010-07-16 | Laser line marking instrument positioning control frame for digitalized building surveying and mapping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048624B (en) * | 2014-07-04 | 2016-09-28 | 中国二十二冶集团有限公司 | Scaffold perpendicularity laser detection equipment and detection method |
| CN106225780A (en) * | 2016-08-26 | 2016-12-14 | 成都晨越造价咨询有限公司 | The field surveys device of construction costs |
-
2010
- 2010-07-16 CN CN2010202609280U patent/CN201795796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048624B (en) * | 2014-07-04 | 2016-09-28 | 中国二十二冶集团有限公司 | Scaffold perpendicularity laser detection equipment and detection method |
| CN106225780A (en) * | 2016-08-26 | 2016-12-14 | 成都晨越造价咨询有限公司 | The field surveys device of construction costs |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106840124B (en) | A method of for skyscraper rapid survey setting-out | |
| CN106320707A (en) | Full projection paying-off method | |
| CN103114732B (en) | Cast steel penetration pipe node space positioning method | |
| CN110646159A (en) | Construction method for high-precision control and measurement of cast-in-place bare concrete wind tunnel | |
| CN101900553B (en) | Laser level positioning control frame for digitized architectural mapping | |
| CN201795796U (en) | Laser line marking instrument positioning control frame for digitalized building surveying and mapping | |
| CN101908228A (en) | Digital building measuring and drawing method for acquiring building vertical face map | |
| CN104834797B (en) | A kind of pseudo-classic architecture concrete wing angle is based on CAD and construction method | |
| CN207082019U (en) | A kind of unmanned plane projects actinobacillus device | |
| CN108915136A (en) | A kind of construction method of open stone curtain wall | |
| CN109440987A (en) | A kind of construction method of the element type curtain wall of super high-rise building | |
| CN107130805B (en) | A kind of planar honeycomb tubular truss construction method using pattern inclinometer | |
| CN201795797U (en) | Accessory appliance used for marking and photographing in digital building mapping | |
| CN215630024U (en) | Pipeline engineering backfill layer thickness control tool | |
| CN101915572A (en) | Marked line and photography-assisting tool for digitized architectural surveying and mapping | |
| CN205745678U (en) | The construction positioner of embedding pipe fittings | |
| Liu et al. | Application Research of BIM Technology in Ancient Architecture Restoration | |
| CN101666145B (en) | Method for upward hanging projecting eave stones | |
| CN110761531A (en) | High-rise building outer wall decorative line painting construction method | |
| CN206593647U (en) | A kind of device for being used to detect building perpendicularity | |
| CN211850620U (en) | Device of straightness and thickness is plastered to accurate control ardealite | |
| Antonopoulos et al. | 3D survey and BIM-ready modeling of a Greek Orthodox Church in Athens | |
| CN207194401U (en) | One kind white washed wall gets cake device ready | |
| Xie et al. | Discussion on casing wall measurement positioning method | |
| CN104790660A (en) | Cross beam construction method of oval floor system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120716 |