CN102404491A - Trapping method and trapping system including gradient blocks - Google Patents
Trapping method and trapping system including gradient blocks Download PDFInfo
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- CN102404491A CN102404491A CN2010102766303A CN201010276630A CN102404491A CN 102404491 A CN102404491 A CN 102404491A CN 2010102766303 A CN2010102766303 A CN 2010102766303A CN 201010276630 A CN201010276630 A CN 201010276630A CN 102404491 A CN102404491 A CN 102404491A
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Abstract
The invention discloses a trapping method and a trapping system including gradient blocks, which belong to the technical field of trapping in package printing. An existing trapping method can easily cause gaps between gradient trapping areas and between the gradient trapping areas and non-gradient trapping areas. The trapping method and the trapping system comprise the following procedures: firstly obtaining the shared borders of all the adjacent gradient blocks of an object to be trapped; judging whether each public border is a trapping border; judging the trapping directions of the trapping borders, and if the trapping borders are gradient trapping borders, judging the trapping directions of endpoints of the trapping borders; connecting the adjacent trapping borders according to the trapping directions of the trapping borders and the endpoints of the gradient trapping borders; generating the trapping areas; dividing the trapping areas; and finally filling colors in the divided trapping areas. The trapping method and the trapping system can effectively avoid the gaps and improve printing quality.
Description
Technical field
The present invention relates to a kind of trapping method and system, especially relate to a kind of trapping method and system that comprises the gradual change color lump, belong to the sunken seal technical field in the packages printing.
Background technology
In printing process, the situation of register trouble appears in multicolor overprint regular meeting often.Chromatography is meant the printing of under the situation of preceding version respective regions hollow out of the same colour (Knockout), carrying out, so occur the situation of register trouble easily.Because register trouble, it is white, very not attractive in appearance some tiny leakages to occur at two adjacent color lump boundaries.For fear of leaking white generation, need between different target edges, generate some tiny double exposure zones, promptly area of trap makes human eye leak in vain less than these.Above-mentioned processing mode is called to fall into prints.
Fall into to be imprinted on that to be called mending-leakage in the printing industry traditionally white, be called again scalable, mainly be for the leakage that remedies between two adjacent different colours pieces that cause because of the printing register trouble white.When people faced printed matter, always sensation was dark near from human eye, and light far away from human eye.Therefore, when sunken seal object is fallen into the seal processing, manage not allow the light color under the dark color to expose, and top dark color remain unchanged.Even a bit slight skew takes place like this, the printing ink of double exposure can be covered the mistake of register trouble, and does not cause the shape of object to be distorted, thereby guarantees not influence visual effect.
In falling into the seal processing procedure, the breach phenomenon possibly appear between the area of trap, and it is not attractive in appearance to cause falling into the seal result.One Chinese patent application (publication number: 101610343A; Day is disclosed: the method and system that 2009.12.23) disclose a kind of automatic trapping; These method and system are through falling into seal border ways of connecting; Can the breach that produce between the non-gradual change area of trap be filled, but between the gradual change area of trap, the breach that produces between gradual change area of trap and the non-gradual change area of trap is powerless.As shown in Figure 1, arrow indication zone is the breach between gradual change area of trap 12 and non-gradual change area of trap 11 and 13.Because to all might be different with trap width, so it be easy to occur and be not easy repairing with breach between other non-gradual change area of traps to the gradual change area of trap, does not also have solution preferably at present at the sunken India side at the every bit place that falls into the seal border.
Summary of the invention
To the defective that exists in the prior art; Technical problem to be solved by this invention provides a kind of trapping method and system that comprises the gradual change color lump, these method and system can solve effectively fall in the seal process between the gradual change area of trap, the gap problem that produces between gradual change area of trap and the non-gradual change area of trap.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is following:
A kind of trapping method that comprises the gradual change color lump may further comprise the steps:
(1) scanning waits to fall into all color lumps in the seal object, obtains the public boundary of all adjacent color lumps, saidly waits to fall into the seal object and comprises the gradual change color lump;
(2) judge whether each bar public boundary is to fall into the seal border;
(3) the sunken India side that judge to fall into the seal border to, be that gradual change falls into the seal border if fall into the seal border, then judge sunken India side that gradual change falls into seal border end points to;
(4) according to the sunken India side that falls into the seal border to the sunken India side that falls into seal border end points with gradual change to, adjacent sunken seal border is connected;
(5) generate area of trap; Wherein, the sunken seal border for having connected generates area of trap as a whole with it;
(6) area of trap is cut apart;
(7) area of trap after cutting apart is colored in.
The aforesaid trapping method that comprises the gradual change color lump, judge described in the step (2) whether public boundary is to fall into the seal border to adopt following method:
Judge whether two color lumps under the public boundary satisfy the seal condition that falls into, if satisfy the seal condition that falls into, then this public boundary is for falling into the seal border; Have one to be the gradual change color lump if fall in two color lumps under the seal border, then should fall into the seal border is that gradual change falls into the seal border.
The aforesaid trapping method that comprises the gradual change color lump, gradual change described in the step (3) fall into the sunken India side of seal border end points to obtaining through ink percentage and the brightness of judging the end points both sides.
The aforesaid trapping method that comprises the gradual change color lump, the process that described in the step (4) adjacent sunken seal border is connected is following:
If adjacent sunken seal border is non-gradual change and falls into the seal border, and sunken India side then connects these two and falls into the seal border to identical;
If there is one to be that gradual change falls into the seal border in the adjacent sunken seal border, and the non-gradual change sunken India side that falls into the seal border to gradual change fall into fall into the adjacent end points in seal border with said non-gradual change in the seal border sunken India side to identical, then connect these two and fall into the seal borders;
If adjacent sunken seal border is gradual change and falls into the seal border, and two sunken India sides that fall into seal borderline phase neighboring terminal point then connect these two and fall into the seal border to identical.
The aforesaid trapping method that comprises the gradual change color lump in the step (6), enters many sunken seal borders for one and connects the area of trap that the back generates, and utilizes the border that is got into color lump that area of trap is cut apart.
The aforesaid trapping method that comprises the gradual change color lump wherein, connects the area of trap that the back generates for entering one sunken seal border more, utilizes to be got into the angular bisector that the some place angle that the seal border connects takes place to fall into color lump area of trap is cut apart.
The aforesaid trapping method that comprises the gradual change color lump wherein, connects the area of trap that the back generates for entering one sunken seal border more, connects roundlet of strokes and dots falling into the seal border, and this roundlet gets into two zonules of color lumps formation with two, and area is respectively S1, S2; The angle that the location cut-off rule will fall into tie point place, seal border is divided into a, two angles of b according to S1/S2=a/b; Utilize this cut-off rule that area of trap is cut apart.
A kind of sunken seal system that comprises the gradual change color lump comprises that being used for scanning waits to fall into all color lumps of seal object, obtains the deriving means of all adjacent color lump public boundaries, saidly waits to fall into the seal object and comprises the gradual change color lump;
Be used to judge whether each bar public boundary is the judgment means I that falls into the seal border;
Be used to judge the sunken India side that falls into the seal border to judgment means II, be that gradual change falls into the seal border if fall into the seal border, then judgment means II be used to judge sunken India side that gradual change falls into seal border end points to;
Be used for according to the sunken India side that falls into the seal border to the sunken India side that falls into seal border end points with gradual change to, the jockey that adjacent sunken seal border is connected;
Be used to generate the generating apparatus of area of trap; Wherein, the sunken seal border for having connected generates area of trap as a whole with it;
Be used for segmenting device that area of trap is cut apart;
And be used for the device that colors in that the area of trap after cutting apart is colored in.
The method of the invention and system; The sunken India side that falls into seal border end points according to adjacent gradual change between relation; Or the gradual change sunken India side that falls into seal border end points to and the non-gradual change that the is adjacent sunken India side that falls into the seal border between relation, connect falling into the seal border, the sunken seal border after connecting is generated area of trap as a whole; Avoided effectively between the gradual change area of trap, produce breach between gradual change area of trap and the non-gradual change area of trap, thereby improved the quality of printing greatly.
Description of drawings
Fig. 1 is the breach sketch map that between non-gradual change area of trap and gradual change area of trap, produces described in the background technology;
Fig. 2 is the sunken seal system architecture diagram that comprises the gradual change color lump described in the embodiment;
Fig. 3 adopts system shown in Figure 2 to fall into the method flow diagram that seal comprises the gradual change color lump;
Fig. 4 is the sketch map that instance described in the embodiment waits to fall into the seal object;
Fig. 5 is the area of trap sketch map that instance described in the embodiment generates;
Fig. 6 is the sketch map after instance described in the embodiment is cut apart area of trap.
Embodiment
Describe the present invention below in conjunction with embodiment and accompanying drawing.
Fig. 2 shows the described sunken seal system configuration that comprises the gradual change color lump of this execution mode.As shown in Figure 2, this system comprises deriving means 21, the judgment means I22 that is connected with deriving means 21, the judgment means II23 that is connected with judgment means I22, the jockey 24 that is connected with judgment means II23, the generating apparatus 25 that is connected with jockey 24, the segmenting device 26 that is connected with generating apparatus 25 and the device 27 that colors in that is connected with segmenting device 26.
Deriving means 21 is used for scanning all color lumps of waiting to fall into the seal object, obtains the public boundary of all adjacent color lumps.Wherein, wait to fall into the seal object and comprise the gradual change color lump, be i.e. the color block that gradually changes of color.
Whether each bar public boundary of all public boundaries that judgment means I22 is used for judging that deriving means 21 obtains is to fall into the seal border.
Judgment means II23 be used to judge the sunken India side that falls into the seal border to, be that gradual change falls into the seal border if fall into the seal border, promptly should fall into the seal border be the border of gradual change color lump, then judgment means II23 be used to judge sunken India side that gradual change falls into seal border end points to.
Generating apparatus 25 is used to generate area of trap; Wherein, the sunken seal border for having connected generates area of trap as a whole with it.The part that area of trap contracts in being meant and extending out perhaps to sunken seal border.
Segmenting device 26 is used for area of trap is cut apart, and whole area of trap is divided into each falls into the area of trap under seal border.
The device 27 that colors in is used for the area of trap after cutting apart is colored in.
Fig. 3 shows and adopts system shown in Figure 2 to fall into the method flow that seal comprises the gradual change color lump.As shown in Figure 3, this method may further comprise the steps:
(1) deriving means 21 obtains the public boundary of all adjacent color lumps.
Scanning is waited to fall into all color lumps in the seal object, obtains the public boundary of all adjacent color lumps.Wherein, treat to comprise the gradual change color lump in the sunken seal object.
Treat that with shown in Figure 4 sunken seal object is an example.Seal object be should fall into and a gradual change color lump A and 3 non-gradual change color lump B, C, D comprised.Public boundary between gradual change color lump A and the color lump B is border 41; Public boundary between color lump B and the color lump C is border 42; Public boundary between color lump C and the color lump D is border 43; Public boundary between color lump D and the gradual change color lump A is border 44, and the public boundary between color lump C and the gradual change color lump A is border 45.
(2) judgment means I22 judges whether each bar public boundary is to fall into the seal border.
Judge whether two color lumps under the public boundary satisfy the seal condition that falls into, if satisfy the seal condition that falls into, then this public boundary is for falling into the seal border.Have one to be the gradual change color lump if fall in two color lumps under the seal border, then should fall into the seal border is that gradual change falls into the seal border.
In this execution mode; Whether the color lump of judging the public boundary both sides satisfies the method for seal condition employing based on printing ink site percentage and brightness that fall into; The concrete implementation procedure of this method can be referring to one Chinese patent application (publication number: 101610343A; Open day: the record 2009.12.23), no longer detail here.
In the above-mentioned instance, can know through judging: falling into the seal border is border 42,43 and 45.Wherein, fall into seal border 45 and fall into the seal border for gradual change.
(3) the judgment means II23 sunken India side that judge to fall into the seal border to, be that gradual change falls into the seal border if fall into the seal border, then judge sunken India side that gradual change falls into seal border end points to.
Fall into India side to determination methods also can no longer detail referring to the above-mentioned patent application document of quoting as proof here.The sunken India side that falls into seal border end points for gradual change to, can be through the ink percentage and brightness acquisition of judging the end points both sides.
In the above-mentioned instance; The sunken India side that falls into seal border 42 is to being to fall into seal by color lump B to color lump C; The sunken India side that falls into seal border 43 is to being to fall into seal by color lump C to color lump D; The sunken India side that falls into seal border 45 left end points 46 is to being to fall into seal by gradual change color lump A to color lump C, and the sunken India side of right endpoint 47 is to being to fall into seal by color lump C to gradual change color lump A, like the arrow direction among Fig. 4.
(4) jockey 24 based on the sunken India side that falls into the seal border to the sunken India side that falls into seal border end points with gradual change to, adjacent sunken seal border is connected.
If adjacent sunken seal border is non-gradual change and falls into the seal border, and sunken India side then connects these two and falls into the seal border to identical.
If there is one to be that gradual change falls into the seal border in the adjacent sunken seal border, and the non-gradual change sunken India side that falls into the seal border to gradual change fall into fall into the adjacent end points in seal border with non-gradual change in the seal border sunken India side to identical, then connect these two and fall into the seal borders.
If adjacent sunken seal border is gradual change and falls into the seal border, and two sunken India sides that fall into seal borderline phase neighboring terminal point then connect these two and fall into the seal border to identical.
In the above-mentioned instance,, therefore will fall into seal border 42 and be connected with the sunken border 45 of printing of gradual change because the sunken seal border 42 between color lump B and the color lump C and gradual change fall into the adjacent and sunken India side of the left end point 46 on seal border 45 to identical.Because the sunken seal border 43 between color lump D and the color lump C and gradual change fall into the adjacent and sunken India side of the right endpoint 47 on seal border 45 to identical, therefore will fall into seal border 43 and be connected with the sunken border 45 of printing of gradual change.Finally obtain falling into the sunken seal border that seal border 42,43,45 is formed by connecting the back.
(5) generating apparatus 25 generates area of trap; Wherein, the sunken seal border for having connected generates area of trap as a whole with it.
In the above-mentioned instance, as shown in Figure 5, with the sunken seal border after connecting as a whole, obtain area of trap 51 according to each sunken India side that falls into the seal border to expansion simultaneously.The generation method of area of trap can no longer detail referring to the above-mentioned patent application document of quoting as proof here.
(6) 26 pairs of area of traps of segmenting device are cut apart.
Enter many sunken seal borders for one and connect the area of trap that the back generates, utilize the border that is got into color lump that area of trap is cut apart.Said one enters many sunken seal borders connects and is meant that same color lump a plurality of different color lumps around it are done and falls into seal, these is fallen into seal borders couple together, and is called into multi-link.
In the above-mentioned instance, color lump C falls into seal to gradual change color lump A and color lump D, utilizes the 44 pairs of area of traps in border that got into color lump to cut apart, and is as shown in Figure 6.
Sunken seal border for advancing one connects the area of trap that the back generates more, has following dual mode that area of trap is cut apart.Saidly more enter one sunken seal border and connect and be meant that a plurality of different color lumps are done to same color lump and fall into seal, these are fallen into seal borders couple together, be called and advance a connection more.
1) angle bisection collimation method: the angular bisector that utilizes the point that is connected by the sunken seal of entering color lump generation border to belong to angle is cut apart area of trap.
In the above-mentioned instance, color lump B and gradual change color lump A all fall into seal to color lump C, utilize the angular bisector of the intersection point 46 place angles that fall into seal border 42 and 45 to cut apart area of trap, and be as shown in Figure 6.
2) area is than method: connect roundlet of strokes and dots falling into the seal border, this roundlet gets into two zonules of color lumps formation with two, and area is respectively S1, S2; The angle that the location cut-off rule will fall into tie point place, seal border is divided into a, two angles of b according to S1/S2=a/b; Utilize this cut-off rule that area of trap is cut apart.
Fig. 6 shows cuts apart three area of traps that the back generates in the above-mentioned instance, be respectively area of trap 61, area of trap 62, area of trap 63 and area of trap 64.Can find out by Fig. 6, between area of trap 61 and the area of trap 62, all do not have gap problem between area of trap 63 and the area of trap 64.
(7) area of trap of 27 pairs in device after cutting apart that color in colors in, and the concrete method of coloring in can no longer detail referring to the above-mentioned patent application document of quoting as proof here.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technology thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. trapping method that comprises the gradual change color lump may further comprise the steps:
(1) scanning waits to fall into all color lumps in the seal object, obtains the public boundary of all adjacent color lumps, and said treating comprises the gradual change color lump in the sunken seal object;
(2) judge whether each bar public boundary is to fall into the seal border;
(3) the sunken India side that judge to fall into the seal border to, be that gradual change falls into the seal border if fall into the seal border, then judge sunken India side that gradual change falls into seal border end points to;
(4) according to the sunken India side that falls into the seal border to the sunken India side that falls into seal border end points with gradual change to, adjacent sunken seal border is connected;
(5) generate area of trap; Wherein, the sunken seal border for having connected generates area of trap as a whole with it;
(6) area of trap is cut apart;
(7) area of trap after cutting apart is colored in.
2. the trapping method that comprises the gradual change color lump as claimed in claim 1 is characterized in that: judge described in the step (2) whether public boundary is to fall into the seal border to adopt following method:
Judge whether two color lumps under the public boundary satisfy the seal condition that falls into, if satisfy the seal condition that falls into, then this public boundary is for falling into the seal border; Have one to be the gradual change color lump if fall in two color lumps under the seal border, then should fall into the seal border is that gradual change falls into the seal border.
3. the trapping method that comprises the gradual change color lump as claimed in claim 1 is characterized in that: gradual change described in the step (3) falls into the sunken India side of seal border end points to obtaining through ink percentage and the brightness of judging the end points both sides.
4. the trapping method that comprises the gradual change color lump as claimed in claim 1 is characterized in that: the process that described in the step (4) adjacent sunken seal border is connected is following:
If adjacent sunken seal border is non-gradual change and falls into the seal border, and sunken India side then connects these two and falls into the seal border to identical;
If there is one to be that gradual change falls into the seal border in the adjacent sunken seal border, and the non-gradual change sunken India side that falls into the seal border to gradual change fall into fall into the adjacent end points in seal border with said non-gradual change in the seal border sunken India side to identical, then connect these two and fall into the seal borders;
If adjacent sunken seal border is gradual change and falls into the seal border, and two sunken India sides that fall into seal borderline phase neighboring terminal point then connect these two and fall into the seal border to identical.
5. like the described trapping method that comprises the gradual change color lump of one of claim 1 to 4, it is characterized in that: in the step (6), enter many sunken seal borders for one and connect the area of trap that the back generates, utilize the border that is got into color lump that area of trap is cut apart.
6. the trapping method that comprises the gradual change color lump as claimed in claim 5; It is characterized in that: the area of trap of generation after connecting for the sunken seal border of advancing one, the angular bisector that utilizes quilt to get into the some place angle of the sunken seal of color lump generation border connection is cut apart area of trap more.
7. the trapping method that comprises the gradual change color lump as claimed in claim 5; It is characterized in that: the sunken seal border for advancing connects the area of trap that the back generates more; Falling into roundlet of seal border connection strokes and dots, this roundlet and two entering color lumps constitute two zonules, and area is respectively S1, S2; The angle that the location cut-off rule will fall into tie point place, seal border is divided into a, two angles of b according to S1/S2=a/b; Utilize this cut-off rule that area of trap is cut apart.
8. a sunken seal system that comprises the gradual change color lump comprises that being used for scanning waits to fall into all color lumps of seal object, obtains the deriving means (11) of all adjacent color lump public boundaries, saidly waits to fall into the seal object and comprises the gradual change color lump;
Be used to judge whether each bar public boundary is the judgment means I (12) that falls into the seal border;
Be used to judge the sunken India side that falls into the seal border to judgment means II (13), be that gradual change falls into the seal border if fall into the seal border, then judgment means II (13) be used to judge sunken India side that gradual change falls into seal border end points to;
Be used for based on the sunken India side that falls into the seal border to the sunken India side that falls into seal border end points with gradual change to, the jockey (14) that adjacent sunken seal border is connected;
Be used to generate the generating apparatus (15) of area of trap; Wherein, the sunken seal border for having connected generates area of trap as a whole with it;
Be used for segmenting device (16) that area of trap is cut apart;
And be used for the device that colors in (17) that the area of trap after cutting apart is colored in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010276630.3A CN102404491B (en) | 2010-09-08 | 2010-09-08 | Trapping method and trapping system including gradient blocks |
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| CN201010276630.3A CN102404491B (en) | 2010-09-08 | 2010-09-08 | Trapping method and trapping system including gradient blocks |
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| CN102404491B CN102404491B (en) | 2014-08-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801898A (en) * | 2012-06-13 | 2012-11-28 | 方正国际软件有限公司 | Interactive trapping method |
| CN109715254A (en) * | 2016-07-19 | 2019-05-03 | 海德拉管理有限责任公司 | Enhance the safety and impressionability of scratch coating of making out an invoice by random chromatography |
| CN109816635A (en) * | 2018-12-31 | 2019-05-28 | 方正株式(武汉)科技开发有限公司 | Area of trap optimization method and device, storage medium |
| CN112967250A (en) * | 2021-03-03 | 2021-06-15 | 方正株式(武汉)科技开发有限公司 | Trapping area optimization method and device based on non-adjacent color blocks |
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| US5802970A (en) * | 1995-03-01 | 1998-09-08 | Tani Electronics Industry Co., Ltd | Screen printing apparatus |
| CN101610343A (en) * | 2008-06-16 | 2009-12-23 | 北京大学 | A kind of method and system of automatic trapping |
| CN101686309A (en) * | 2008-09-28 | 2010-03-31 | 北大方正集团有限公司 | Method and device of generating trapping by image path |
| CN101729744A (en) * | 2008-10-24 | 2010-06-09 | 方正国际软件(北京)有限公司 | Method and system of gradual changing color fading and trapping |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5802970A (en) * | 1995-03-01 | 1998-09-08 | Tani Electronics Industry Co., Ltd | Screen printing apparatus |
| CN101610343A (en) * | 2008-06-16 | 2009-12-23 | 北京大学 | A kind of method and system of automatic trapping |
| CN101686309A (en) * | 2008-09-28 | 2010-03-31 | 北大方正集团有限公司 | Method and device of generating trapping by image path |
| CN101729744A (en) * | 2008-10-24 | 2010-06-09 | 方正国际软件(北京)有限公司 | Method and system of gradual changing color fading and trapping |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801898A (en) * | 2012-06-13 | 2012-11-28 | 方正国际软件有限公司 | Interactive trapping method |
| CN109715254A (en) * | 2016-07-19 | 2019-05-03 | 海德拉管理有限责任公司 | Enhance the safety and impressionability of scratch coating of making out an invoice by random chromatography |
| CN109816635A (en) * | 2018-12-31 | 2019-05-28 | 方正株式(武汉)科技开发有限公司 | Area of trap optimization method and device, storage medium |
| CN109816635B (en) * | 2018-12-31 | 2023-08-22 | 方正株式(武汉)科技开发有限公司 | Trap area optimization method and device and storage medium |
| CN112967250A (en) * | 2021-03-03 | 2021-06-15 | 方正株式(武汉)科技开发有限公司 | Trapping area optimization method and device based on non-adjacent color blocks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102404491B (en) | 2014-08-27 |
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