CN203053381U - Wide-range concrete carbonization depth measuring device - Google Patents
Wide-range concrete carbonization depth measuring device Download PDFInfo
- Publication number
- CN203053381U CN203053381U CN 201320050744 CN201320050744U CN203053381U CN 203053381 U CN203053381 U CN 203053381U CN 201320050744 CN201320050744 CN 201320050744 CN 201320050744 U CN201320050744 U CN 201320050744U CN 203053381 U CN203053381 U CN 203053381U
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- Prior art keywords
- scaleplate
- gathering sill
- length direction
- analyzing rod
- wide range
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- Expired - Lifetime
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- 239000004567 concrete Substances 0.000 title claims abstract description 50
- 238000003763 carbonization Methods 0.000 title claims abstract description 43
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 26
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides a wide range concrete carbonization degree of depth survey device can solve current phenolphthalein reagent container and carbonization degree of depth survey chi separation and set up, carries and uses inconveniently, and current carbonization degree of depth survey appearance is not suitable for the great component of carbonization degree of depth, and easy error production when vernier caliper survey leads to the poor problem of testing result accuracy. Comprises a phenolphthalein reagent container with an integral structure and a large measuring scale; survey chi includes that length direction is equipped with the scale mark, sets up survey pole and the pilot lever that can follow its length direction and remove on the scale mark, and the length direction of survey pole is unanimous with the scale mark, and the pilot lever sets firmly on surveying the pole and rather than perpendicular setting. The phenolphthalein reagent container and the measuring ruler are of an integral structure, so that the phenolphthalein reagent container is convenient to carry and use, the measuring efficiency is improved, and potential safety hazards are eliminated; the structure is simple, the measuring result is accurate and visual, the measuring range scale of the measuring rod can be set according to the requirement, and the requirement for measuring the carbonization depth of a larger component is met.
Description
Technical field
The utility model relates to the building structure technology field, is specifically related to a kind of device that concrete carbonization depth is used of measuring.
Background technology
At present, the mensuration of known concrete carbonization depth generally adopts following steps: 1, adopt proper implements to survey the surface, district at concrete and form diameter one hole, its degree of depth should be greater than the carbonization of concrete degree of depth; 2, with the powder in the hole and chip Ex-all, not handy scrub water; 3, drip or spray 1% phenolphthalein alcoholic solution at the concrete surface of chiseling; 4, when carbonization is known with not carbonization boundary line, measure the concrete degree of depth that chi is measured does not have variable color with carbonation depth.
The measurement result of concrete carbonization depth mainly contains two kinds of purposes: the one, and the derive intensity of the concrete members of surveying of the resilience data by concrete bouncing back instrument and the influence of considering carbonation depth; Another kind of purposes is measured the carbonization of concrete degree of depth for passing through, and binding reinforcement protective layer thickness situation is passed judgment on concrete carbonization to the influence of steel bar corrosion.
There is following shortcoming and defect part in prior art:
When 1, measuring, it is to separate to use that the phenolphthalein reagent container is measured chi with carbonation depth, carries inconvenience; Simultaneously, when measuring the concrete members carbonation depth, need a hand-held phenolphthalein reagent container to spray reagent, another hand-held carbonization instrument is measured, and perhaps holds the phenolphthalein reagent container earlier and sprays reagent, put down the phenolphthalein reagent container then, hold the carbonization instrument again and measure, not only lose time, and, if when the beam of mensuration eminence, plate, bring potential safety hazard for easily the mensuration personnel.
2, concrete carbonization depth mensuration chi is carbonation depth analyzer and vernier caliper, and the maximum range of carbonation depth analyzer only is 8mm, and the range of vernier caliper is bigger.
Purposes one for the measurement result of concrete carbonization depth, " rebound method detect concrete crushing strength technical regulation " (JGJ/T23-2011) surveyed when having provided carbonation depth at 0.0～6.0mm in district's concrete strength conversion table at appendix A, the concrete strength of different rebound value correspondences; And when this table thought that carbonation depth is greater than 6mm, carbonation depth was identical when equaling 6mm to the influence of rebound value.For this purposes, the carbonation depth analyzer can satisfy request for utilization.
For purposes two; " the highway bridge load-bearing capacity detects the evaluation rules " be middle 5.7.3 bar regulation (JTG/TJ21-2011): should determine the concrete carbonization assessment scale by the regulation of table 5.7.3 according to surveying district's concrete carbonization depth mean value and the ratio K c that surveys protective layer thickness mean value.And pass judgment on concrete carbonization to the influence of steel bar corrosion with this.For the minimum protective layer thickness of reinforcing bar; " highway reinforced concrete and prestressed concrete bridges and culverts design specifications " (JTG D62-2004) stipulates in table 9.1.1; at member classification and environmental baseline, minimum thickness of concrete cover circle of regular reinforcement and prestress linear reinforcing bar is between 15mm～85mm.For this purposes, because carbonation depth analyzer maximum range only is 8mm, can not satisfy request for utilization; Though vernier caliper can satisfy request for utilization, be easy to generate error when measuring, cause measurement result inaccurate, and carry inconvenience.
Summary of the invention
The utility model provides a kind of wide range concrete carbonization depth determinator, can solve in the prior art phenolphthalein reagent container and carbonation depth measures chi and separates setting, carry and use inconvenience, existing carbonation depth analyzer range is little simultaneously, restricted application, be not suitable for the bigger member of carbonation depth, and vernier caliper is easy to generate error when measuring, and causes the problem of measurement result poor accuracy.
For reaching the purpose that solves the problems of the technologies described above, the utility model is achieved by the following technical solutions: a kind of wide range concrete carbonization depth determinator, comprise phenolphthalein reagent container and wide range mensuration chi, described phenolphthalein reagent container and described wide range are measured chi and are structure as a whole; Described wide range is measured chi and is comprised that length direction is provided with the scaleplate of scale, is arranged on the scaleplate analyzing rod and the indicator stem that can move along the scaleplate length direction, the length direction of described analyzing rod is consistent with the length direction of described scaleplate, and described indicator stem is installed on the described analyzing rod and arrange vertical with analyzing rod.
In the technical solution of the utility model, also comprise following feature: when described indicator stem was positioned at the zero graduation position of described scaleplate, the mensuration end points of described analyzing rod was concordant with the bottom position of described scaleplate.
In the technical solution of the utility model, also comprise following feature: described scaleplate is transparent material, and its inside is provided with the gathering sill that extends along its length direction, the xsect of described gathering sill is T type and the outside that is communicated in scaleplate along the thickness direction of described scaleplate, described analyzing rod and indicator stem are positioned at described gathering sill, described analyzing rod is provided with the threaded hole that connects described analyzing rod, in the described threaded hole attachment screw is installed, the big end of described attachment screw is positioned at the described gathering sill outside.
In the technical solution of the utility model, also comprise following feature: the small end position of corresponding described attachment screw is provided with along the scaleplate length direction and connects the locking slot that extends on the described scaleplate, and described locking slot is communicated with described gathering sill.
In the technical solution of the utility model, also comprise following feature: a side relative with described phenolphthalein reagent container is provided with first gathering sill that extends along its length direction on the described scaleplate, described scaleplate inside is provided with second gathering sill that extends along its length direction, described second gathering sill is communicated with first gathering sill, and its xsect is the T type, described analyzing rod and indicator stem are positioned at described first gathering sill, be installed with the T type piece suitable with described second gathering sill on the described analyzing rod, described T type piece is embedded in described second gathering sill.
The bottom margin position of described first gathering sill is provided with seals the backstop boss of notch herein, and the centre of described backstop boss is provided with the through hole that passes for described analyzing rod.
In the technical solution of the utility model, also comprise following feature: the bottom surface of described phenolphthalein reagent container and the bottom surface of described scaleplate are in the same plane.
The range of described scaleplate is 85～100mm.
Compared with prior art, the utility model phenolphthalein reagent container and wide range are measured chi and are set to integrative-structure, carry and easy to use, simplify the operation course, and improve determination efficiency, eliminate safe hidden trouble; Simultaneously, it is simple in structure to measure chi, and measurement result is accurate and visual, and the range scale of analyzing rod can be set as required, can satisfy the needs that the big member of carbonation depth is measured.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment wide range concrete carbonization depth determinator;
Fig. 2 be among Fig. 1 A to view;
Fig. 3 be among Fig. 2 B-B to cut-open view;
Fig. 4 is that the utility model embodiment wide range concrete carbonization depth determinator is measured the status architecture synoptic diagram;
Fig. 5 is the another kind of example structure synoptic diagram of the utility model wide range concrete carbonization depth determinator;
Fig. 6 be among Fig. 5 E-E to cut-open view.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Reference 1 is to shown in Figure 3, and present embodiment wide range concrete carbonization depth determinator comprises phenolphthalein reagent container 1 and wide range mensuration chi 2, and the two is structure as a whole, and convenient the use carried; Wide range is measured chi 2 and is comprised that length direction is provided with the scaleplate 2-1 of scale, is arranged on the scaleplate 2-1 analyzing rod 2-2 and the indicator stem 2-3 that can move along scaleplate 2-1 length direction, the length direction of analyzing rod 2-2 is consistent with the length direction of scaleplate 2-1, and indicator stem 2-3 is installed in analyzing rod 2-2 and goes up and arrange with analyzing rod 2-2 is vertical.In the present embodiment, the scale of scaleplate 2-1 is arranged on the one side, defines the front that this side is scaleplate 2-1, and phenolphthalein reagent container 1 is one-body molded with scaleplate 2-1, is positioned on the back side of scaleplate 2-1.
Particularly, with reference to shown in Figure 4, the concrete using method of present embodiment wide range concrete carbonization depth determinator is: with concrete 3 need locate pick cutter after, forming diameter decides according to carbonizing degree greater than the concrete diameter of hole 3-1(of 15mm, its degree of depth should be greater than the carbonization of concrete degree of depth), with the powder in the hole and chip Ex-all, in hole 3-1, spray phenolphthalein reagent, promote analyzing rod 2-2 then downwards, analyzing rod 2-2 drives indicator stem 2-3 and moves down, make the mensuration end points C of analyzing rod 2-2 place point on the separatrix of measuring point D(carbonization and not carbonization) on, carry out reading according to the scale position of the correspondence of indicator stem 2-3 on scaleplate 2-1 and get final product this moment.The range scale of scaleplate 2-1 can be set as required, satisfy the needs that the big member of carbonation depth is measured, its range can be 85～100mm, and its range is 90mm in the present embodiment.
For ease of reading, the scale that guarantees indicator stem 2-3 indication on scaleplate 2-1 is actual carbonation depth value, avoid loaded down with trivial details compensation to convert, when indicator stem 2-3 is positioned at the zero graduation position of scaleplate 2-1, the mensuration end points C of analyzing rod 2-2 is concordant with scaleplate 2-1 terminal position, and the terminal scaleplate 2-1 that refers to goes up that end near its maximum scale value herein.So, during mensuration, how many distances concrete carbonization depth is, how many distances analyzing rod 2-2 and indicator stem 2-3 just move down, and the scale of indicator stem 2-2 indication is actual carbonation depth value.
In the present embodiment, with reference to Fig. 2 and shown in Figure 3, be provided with the gathering sill 2-4 that extends along its length direction in the scaleplate 2-1, the xsect of gathering sill 2-4 is the T type, gathering sill 2-4 runs through the outside of scaleplate 2-1 along its thickness direction when extending along scaleplate 2-1 length direction, analyzing rod 2-2 and indicator stem 2-3 are positioned at gathering sill 2-4, and analyzing rod 2-2 is provided with the perforation threaded hole that connects analyzing rod 2-2, attachment screw 2-5 is installed in the threaded hole, and the narrow slot part that the big end of attachment screw 2-5 passes gathering sill 2-4 is positioned at the outside of scaleplate 2-1.The big end of the described attachment screw 2-5 of present embodiment refers to its threadless increased diameter head, and small end refers to its screwed minor diameter tip.For ease of being clear that the position of analyzing rod 2-2 and indicator stem 2-3, scaleplate 2-1 adopts transparent material to make.So, guide effect has been played in the movement of the analyzing rod 2-2 of gathering sill 2-4 and indicator stem 2-3, analyzing rod 2-2 and indicator stem 2-3 is hidden has optimized one-piece construction in scaleplate 2 simultaneously, thus conveniently use and carry.For ease of analyzing rod 2-2 and indicator stem 2-3 are installed in gathering sill 2-4, the sipes portion 2-4-1 top of T type gathering sill 2-4 connects out scaleplate 2-1, the bottom of its narrow slot part 2-4-2 is positioned at the below that scaleplate 2-1 goes up range place scale, do not connect out scaleplate 2-1, to guarantee that satisfying range is that 90mm is as the criterion.After analyzing rod 2-2 and indicator stem 2-3 put into the 2-4-1 of its sipes portion from gathering sill 2-4 top, attachment screw 2-5 passes its narrow slot part 2-4-2 and is connected on the analyzing rod 2-2, and the narrow slot part 2-4-2 bottom of gathering sill 2-4 does not connect also plays the effect that backstop attachment screw 2-5 prevents that analyzing rod 2-2 and indicator stem 2-3 from skidding off simultaneously.Because analyzing rod 2-2 and indicator stem 2-3 are positioned at gathering sill 2-4 inside, dot analyzing rod 2-2 and indicator stem 2-3 among Fig. 2 and Fig. 4.
Concrete, during use, drive analyzing rod 2-2 to needing measuring point by promoting attachment screw 2-5, screw attachment screw 2-5 then its small end is withstood on the bottom land of gathering sill 2-4, then analyzing rod 2-2 is locked, indicator stem 2-3 indication scale reading is got final product.
Simultaneously, the small end position that scaleplate 2-1 goes up corresponding attachment screw 2-5 is provided with the locking slot 2-6 that connects extension along scaleplate 2-1 length direction, and locking slot 2-6 is communicated with gathering sill 2-4.So, when analyzing rod 2-2 was locked, the small end of attachment screw 2-5 was limited in the locking slot 2-6, further played spacing locking effect, prevented from that analyzing rod 2-2 and indicator stem 2-3 from producing to rock, and guaranteed to measure accuracy.
When measuring for making, the bottom surface of present embodiment wide range concrete carbonization depth determinator is concordant as far as possible with surface, concrete survey district, guarantee to measure accuracy, the bottom surface of the bottom surface of phenolphthalein reagent container 1 and scaleplate 1 is in the same plane in the present embodiment, so, during mensuration, the concrete carbonization depth determinator has contact concrete in larger area bottom surface to survey the surface, district, prevents from measuring chi place portion and causes placing the error at measurment that instability causes owing to the existence of hole 3-1.
Embodiment two
With reference to Fig. 5 and shown in Figure 6, different with embodiment one is, scaleplate 2-1 goes up on the side relative with phenolphthalein reagent container 1, the front that is scaleplate 2-1 is provided with the first gathering sill 2-8 that extends along its length direction, simultaneously, the inside of scaleplate 2-1 is provided with the second gathering sill 2-9 that extends along its length direction, and the second gathering sill 2-9 is communicated with the first gathering sill 2-8, and its xsect is the T type.Analyzing rod 2-2 and indicator stem 2-3 are positioned at the first gathering sill 2-8, are installed with the T type piece 2-7 suitable with the second gathering sill 2-9 on the analyzing rod 2-2, and T type piece 2-7 is embedded in the second gathering sill 2-9.So, analyzing rod 2-2 and indicator stem 2-3 are exposed to scaleplate 2-1, and then scaleplate 2-1 can adopt non-transparent material to make, analyzing rod 2-2 and indicator stem 2-3 by T type piece 2-7 with realize that it moves up and down mensuration cooperating of the second gathering sill 2-9.
Concrete, when needs are measured, promote analyzing rod 2-2 and drive T type piece 2-7 to needing measuring point, indicator stem 2-3 indication scale reading is got final product.
For prevent that analyzing rod 2-2 from skidding off in the first gathering sill 2-8, be provided with backstop boss 2-10 in the bottom margin position of the first gathering sill 2-8, backstop boss 2-10 seals the notch at the first gathering sill 2-8 bottom margin place, and its position, center is provided with the through hole 2-11 that passes for analyzing rod 2-2 simultaneously.When analyzing rod 2-2 drive indicator stem 2-3 was moved downward to lowermost end, indicator stem 2-3 was lived by backstop boss 2-10 backstop, thereby prevents that analyzing rod 2-2 from skidding off.The height of backstop boss 2-10 is to guarantee that satisfying range is that 90mm is as the criterion.
Owing to be installed with T type piece 2-7 on the analyzing rod 2-2, T type piece 2-7 successfully is embedded in the second gathering sill 2-9 when installing for making, the top of the second gathering sill 2-9 connects out scaleplate 2-1, perhaps the top of the second gathering sill 2-9 and the first gathering sill 2-8 all connects out scaleplate 2-1, and analyzing rod 2-2, indicator stem 2-3 and T type piece 2-7 assemble in the one embedded groove of back.
For ease of promoting analyzing rod 2-2, its surface protrudes from the first gathering sill 2-8.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. a wide range concrete carbonization depth determinator comprises phenolphthalein reagent container and wide range mensuration chi, and it is characterized in that: described phenolphthalein reagent container and described mensuration chi are structure as a whole; Described mensuration chi comprises that length direction is provided with the scaleplate of scale, is arranged on the scaleplate analyzing rod and the indicator stem that can move along the scaleplate length direction, the length direction of described analyzing rod is consistent with the length direction of described scaleplate, and described indicator stem is installed on the described analyzing rod and arrange vertical with analyzing rod.
2. wide range concrete carbonization depth determinator according to claim 1, it is characterized in that: when described indicator stem was positioned at the zero graduation position of described scaleplate, the mensuration end points of described analyzing rod was concordant with the bottom position of described scaleplate.
3. wide range concrete carbonization depth determinator according to claim 1 and 2, it is characterized in that: described scaleplate is transparent material, and its inside is provided with the gathering sill that extends along its length direction, the xsect of described gathering sill is the T type and is communicated in a side relative with described phenolphthalein reagent container on the scaleplate along the thickness direction of described scaleplate, described analyzing rod and indicator stem are positioned at described gathering sill, described analyzing rod is provided with the threaded hole that connects described analyzing rod, in the described threaded hole attachment screw is installed, the big end of described attachment screw is positioned at the outside of described gathering sill.
4. wide range concrete carbonization depth determinator according to claim 3, it is characterized in that: the small end position of corresponding described attachment screw is provided with along the scaleplate length direction and connects the locking slot that extends on the described scaleplate, and described locking slot is communicated with described gathering sill.
5. wide range concrete carbonization depth determinator according to claim 1 and 2, it is characterized in that: a side relative with described phenolphthalein reagent container is provided with first gathering sill that extends along its length direction on the described scaleplate, described scaleplate inside is provided with second gathering sill that extends along its length direction, described second gathering sill is communicated with first gathering sill, and its xsect is the T type, described analyzing rod and indicator stem are positioned at described first gathering sill, be installed with the T type piece suitable with described second gathering sill on the described analyzing rod, described T type piece is embedded in described second gathering sill.
6. wide range concrete carbonization depth determinator according to claim 5, it is characterized in that: the bottom margin position of described first gathering sill is provided with seals the backstop boss of notch herein, and the centre of described backstop boss is provided with the through hole that passes for described analyzing rod.
7. wide range concrete carbonization depth determinator according to claim 1, it is characterized in that: the bottom surface of described phenolphthalein reagent container and the bottom surface of described scaleplate are in the same plane.
8. wide range concrete carbonization depth determinator according to claim 1, it is characterized in that: the range of described scaleplate is 85～100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050744 CN203053381U (en) | 2013-01-30 | 2013-01-30 | Wide-range concrete carbonization depth measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050744 CN203053381U (en) | 2013-01-30 | 2013-01-30 | Wide-range concrete carbonization depth measuring device |
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| Publication Number | Publication Date |
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| CN203053381U true CN203053381U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320050744 Expired - Lifetime CN203053381U (en) | 2013-01-30 | 2013-01-30 | Wide-range concrete carbonization depth measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115552A (en) * | 2013-01-30 | 2013-05-22 | 青岛理工大学 | Wide-range concrete carbonization depth measuring device |
| CN108592750A (en) * | 2018-06-14 | 2018-09-28 | 于婷婷 | A kind of valve body Wall Thickness Testing Device |
-
2013
- 2013-01-30 CN CN 201320050744 patent/CN203053381U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115552A (en) * | 2013-01-30 | 2013-05-22 | 青岛理工大学 | Wide-range concrete carbonization depth measuring device |
| CN108592750A (en) * | 2018-06-14 | 2018-09-28 | 于婷婷 | A kind of valve body Wall Thickness Testing Device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20151021 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |