CN103093668A - Polygonal dynamic demonstration teaching aid - Google Patents
Polygonal dynamic demonstration teaching aid Download PDFInfo
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- CN103093668A CN103093668A CN2013100475523A CN201310047552A CN103093668A CN 103093668 A CN103093668 A CN 103093668A CN 2013100475523 A CN2013100475523 A CN 2013100475523A CN 201310047552 A CN201310047552 A CN 201310047552A CN 103093668 A CN103093668 A CN 103093668A
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- ruler
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
- G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
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Abstract
The invention relates to a polygonal dynamic demonstration teaching aid which comprises a plurality of rulers, a through groove is formed in the middle of each ruler in the length direction, a plurality of sliders are installed in each through groove, the sliders can slide in the through grooves, an inserting connection post is arranged on the top of each slider, a sleeved connection hole which can be matched with each inserting connection post is formed in the bottom of each slider, the rulers can be vertically folded, the sliders can be mutually and vertically overlapped and combined together, and thereby the plurality of rulers can be combined into various polygonal shapes. In demonstration, the upper ruler and the lower ruler can be overlapped or separated according to requirements and form various intuitive polygons in an assembling mode. Assembly and disassembly of the rulers are simple, time-saving and convenient. Drawing workload of a user or a teacher can be reduced, students can further cultivate abilities such as thinking, association, analogy and observation, imagination of the students is aroused, and interest of learning geometry of the students is improved.
Description
Technical field
The present invention relates to dynamic demonstration teaching aid, particularly a kind of polygon dynamic demonstration teaching aid how much.
Background technology
At present, in several teaching, teaching aid generally has ruler, set square etc., when the teaching drawing, draw own needed figure to one step of basic previous step that the teacher can only be online, drawing course is loaded down with trivial details and not directly perceived, the teacher should draw again and say, very busy, association, analogy, observation and the manipulative ability that simultaneously can not cultivate preferably the student will certainly affect the effect of several teaching.And itself there are many drawbacks in they: carry inconvenience, use also inconvenience, prior or function singleness.
On the other hand, existing how much teaching aids, although can the ocular demonstration geometric figure,, the figure that can demonstrate is fewer, and usable range is narrow.
And some how much teaching aids adopt wing bolts or nut to connect, and assembly and disassembly are all cumbersome and spended time is longer, affect the continuity of teaching demonstration.
Summary of the invention
Technical matters to be solved by this invention is, a kind of polygon dynamic demonstration teaching aid is provided, the polygon of often using during the dynamic demonstration several teaching intuitively and the figure of correlation theorem, the geometric figure of capable of dynamic demonstration is many, and dismounting simply saves time, and is easy to use.
For solving the problems of the technologies described above, the invention provides a kind of polygon dynamic demonstration teaching aid, comprise some rulers, be provided with groove along its length direction in the middle of each ruler, some slide blocks are installed in groove, slide block can slide in groove, be provided with inserting column in slider top, be provided with the sleeve joint hole that can match with inserting column at slider bottom, ruler can be stacked up and down, its slide block can be vertically stacked together mutually, thus make some can be combined into ruler various polygon-shaped.
Further, be concaved with step surface, gathering sill and end concave surface respectively in ruler in the both sides of groove, step surface is lower than the end face of ruler, and end concave surface is lower than the bottom surface of ruler, and gathering sill is lower than step surface and away from groove; A side at gathering sill is concaved with some vertical grooves in ruler.
Further, slide block also comprises the upper holder block that can mutually fasten and presses down soon, and upper holder block is arranged on the step surface and gathering sill of groove both sides, and can slide in gathering sill, and lower lock block is arranged in the end concave surface of groove both sides, and can slide on end concave surface; Bottom surface at upper holder block convexes with guiding rib, and guiding rib matches with gathering sill.
Further, be concaved with respectively decorative pearl on top of an official cap hole in the two sides of upper holder block, the decorative pearl on top of an official cap that spring and an end face are the bulb shape is installed in decorative pearl on top of an official cap hole successively, the decorative pearl on top of an official cap can slide in decorative pearl on top of an official cap hole, the bulb of the decorative pearl on top of an official cap can exceed the side of upper holder block, and can only touch on vertical rooved face.
Further, be provided with the magnetic conduction buckling piece at the slide block end face, be provided with magnetic piece in the slide block bottom surface, can mutually be vertically stacked together the slide block of different rulers from the magnetic absorption effect of magnetic piece by the magnetic conduction buckling piece; The magnetic conduction buckling piece can be upper holder block, press down fast and magnetic piece snaps together.
Further, inserting column is convexly equipped with in the centre position of lower lock block end face, and inserting column is connected in series upper holder block and magnetic conduction buckling piece, and exceeds the end face of magnetic conduction buckling piece; Sleeve joint hole is arranged on the bottom of lower lock block, and is positioned at the below of inserting column, and sleeve joint hole can match with another the inserting column of ruler slide block.
Further, the end of inserting column is provided with connected structure, is provided with the socket join structure that can cooperatively interact with connected structure in sleeve joint hole.
Further, connected structure is the annular groove that is arranged on the inserting column end; Socket join structure comprises two fixture blocks and fastener, and two fixture blocks are separately positioned on the both sides of sleeve joint hole, is provided with the chute that fixture block is installed on lower lock block, and fixture block can slide in chute; The spacing of two fixture block front ends is not more than the external diameter of inserting column, and two fixture blocks can be connected in the inserting column annular groove of slide block of another ruler.
Further, fastener is socketed on inserting column, and the fastener dual-side is respectively equipped with two catch, and two catch only are against respectively the tail end of two fixture blocks, and catch can swing in the cavity volume of upper holder block and lower lock block assembling formation.
Further, polygon dynamic demonstration teaching aid also is furnished with the protractor that the surface is provided with angle index, is provided with circular hole at the center of protractor, and circular hole can be sleeved on inserting column.
Compared with prior art, a kind of polygon dynamic demonstration teaching aid of the present invention, comprise some ruler, be provided with groove in the middle of ruler, be provided with some slide blocks in groove, slide block can slide in groove, is provided with inserting column in slider top, is provided with the sleeve joint hole that can match with inserting column at slider bottom.Ruler can the up and down stacked, its slide block can be vertically stacked together mutually, thus make some can be combined into ruler various polygon-shaped.When the present invention demonstrates, closed assembly or separate two rulers in up and down as required, the dismounting of ruler simply saves time, and is easy to use.Can alleviate teacher's mapping workload, can also cultivate the student and beat one's brains, associate analogy and observation ability, excite student's imagination, improve the geometric interest of Students ' Learning.
Description of drawings
Fig. 1 is the schematic appearance of a preferred embodiment of the present invention;
Fig. 2 is M schematic cross-section in Fig. 1;
Fig. 3 is the schematic perspective view of slide block the first embodiment in Fig. 1;
Fig. 4 is the decomposing schematic representation of Fig. 3;
Fig. 5 is the schematic perspective view of slide block the second embodiment of the present invention;
Fig. 6 is the schematic diagram in N cross section in Fig. 5;
Fig. 7 is the decomposing schematic representation of Fig. 5;
Fig. 8 is the arbitrary triangle schematic diagram that the present invention demonstrates;
Fig. 9 is the similar schematic diagram of triangle that the present invention demonstrates;
Figure 10 is the trapezoidal neutrality line schematic diagram that the present invention demonstrates;
Figure 11 is the diagonal line schematic diagram of the rhombus demonstrated of the present invention.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Polygon dynamic demonstration teaching aid of the present invention comprises some ruler 1.Please refer to shown in Figure 1, the schematic perspective view of the ruler 1 of a preferred embodiment of the present invention.Be provided with groove 11 in the middle of ruler 1 along its length direction every, three slide blocks 2 are installed in groove 11, each slide block 2 can slide in groove 11.End face 12 at ruler 1 is provided with scale sign 13 along its length near its edge.
Please together with reference to shown in Figure 2, be concaved with step surface 14, gathering sill 15 and end concave surface 16 in two side direction rulers 1 of groove 11.Step surface 14 is positioned at ruler 1 top, and lower than the end face 12 of ruler 1.End concave surface 16 is positioned at ruler 1 bottom, and lower than the bottom surface 17 of ruler 1.Gathering sill 15 is lower than step surface 14, and away from groove 11.Be concaved with vertical groove 18 in a side of gathering sill 15 in ruler 1, in the present embodiment, vertical groove 18 is arranged on side away from groove 11.The cross section of vertical groove 18 can arrange and be in the shape of the letter V, and the summit of V font indicates 13 with the scale of ruler 1 end face 12 and aligns.The cross section of vertical groove 18 also can arrange and be circular-arc.
In the present invention, having provided 2 two embodiment of slide block, please more together with reference to Fig. 3 and shown in Figure 4, is the first embodiment of slide block 2.In the present embodiment, slide block 2 comprise the upper holder block 21 of mutual fastening and press down fast 22, and magnetic conduction buckling piece 23 and magnetic piece 24.Magnetic conduction buckling piece 23 is arranged on the end face of slide block 2, and magnetic piece 24 is arranged on slide block 2 bottom surfaces, magnetic conduction buckling piece 23 can upper holder block 21, press down fast 22 and magnetic piece 24 snap together.Upper holder block 21 is arranged on the step surface 14 and gathering sill 15 of groove 11 both sides, and can be free to slide in gathering sill 15.Lower lock block 22 is arranged in the end concave surface 16 of groove 11 both sides, and can be free to slide on end concave surface 16.In the present embodiment, the lower lock block 22 that is in slide block 2 bottoms exceeds the bottom surface 17 of ruler 1, is in the magnetic conduction buckling piece 23 of slide block 2 end faces lower than the end face 12 of ruler 1.
Centre position at lower lock block 22 end faces convexes with inserting column 25, and inserting column 25 is connected in series upper holder block 21 and magnetic conduction buckling pieces 23, and exceeds the end face of magnetic conduction buckling piece 23.Be concaved with sleeve joint hole 26 in the bottom of inserting column 25, inserting column 25 can match with the sleeve joint hole 26 of another ruler 1 slide block 2, makes the slide block 2 of two rulers 1 in up and down to be stacked together.And, above the magnetic piece 24 of slide block 2 bottoms of that ruler 1 can also be stacked together by the magnetic absorption effect with the magnetic conduction buckling piece 23 of the slide block 2 of following that ruler 1, further increase fastness and the stability of slide block 2 junctions of two rulers 1.
Convex with guiding rib 27 in the bottom surface of upper holder block 21, guiding rib 27 can match with gathering sill 15, and can be free to slide in gathering sill 15.Be concaved with respectively decorative pearl on top of an official cap hole 212 in the two sides 211 of upper holder block 21, the decorative pearl on top of an official cap 29 that spring 28 and an end face are the bulb shape is installed in decorative pearl on top of an official cap hole 212 successively, the decorative pearl on top of an official cap 29 can be in decorative pearl on top of an official cap hole 212 interior slips, the bulb of the decorative pearl on top of an official cap 29 can exceed the side 211 of upper holder block 21, and can only touch on vertical groove 18 surfaces.
When slide block 2 slides scale at ruler 1 when indicating other position beyond 13, the bulb of the decorative pearl on top of an official cap 29 is directed to and is retracted into after the side extruding of groove 15 in decorative pearl on top of an official cap hole 212.When the scale that slides into ruler 1 when slide block 2 indicated 13 position, the decorative pearl on top of an official cap 29 was upspring under the pressure-acting of spring 28 and is resetted, and the bulb of the decorative pearl on top of an official cap 29 resets and stretches out, and only contacted vertical groove 18 surfaces.Slide block 2 is free to slide in gathering sill 15, and when sliding into scale and indicate 13 position, the decorative pearl on top of an official cap 29 just resets in decorative pearl on top of an official cap hole 212, and conflicts to and stand groove 18 surfaces, and sends " click clatter " sound to point out.
Again together with reference to Fig. 5 and shown in Figure 7, be please the second embodiment of slide block 2'.In the present embodiment, slide block 2' comprises the upper holder block 21' of mutual fastening and presses down fast 22'.Centre position at lower lock block 22' end face convexes with inserting column 25', and the end of inserting column 25' is provided with connected structure, and connected structure is the annular groove 23' that is arranged on the inserting column end.Be concaved with sleeve joint hole 26' in the bottom of inserting column 25', inserting column 25' can match with the sleeve joint hole 26' of another ruler 1 slide block 2', makes the slide block 2' of two rulers 1 in up and down to be stacked together.Be provided with the socket join structure 24' that can cooperatively interact with connected structure in sleeve joint hole 26'.
Socket join structure 24' comprises two fixture block 241' and fastener 242', and two fixture block 241' are separately positioned on the both sides of sleeve joint hole 26', is provided with the chute 221' that fixture block 241' is installed on lower lock block 22', and fixture block 241' can slide in chute 221'.The spacing of two fixture block 241' front end 243' is not more than the external diameter of inserting column 25', and two fixture block 241' can be connected in the annular groove 23' of inserting column 25' of slide block 2' of another ruler 1.For the ease of stack and the dismounting of the slide block 2' of two rulers 1, the front end 243' of fixture block 241' can be arranged to circular-arc, is convenient to like this inserting column 25' and is inserted in annular groove 23', and pull-off is out in the annular groove 23' also to be convenient to inserting column 25'.
Fastener 242' is socketed on inserting column 25', fastener 242' dual-side is respectively equipped with two catch 244', two catch 244' only are against respectively the tail end 245' of two fixture block 241', and catch 244' can swing in the cavity volume 222' of upper holder block 21' and lower lock block 22' assembling formation.In the time of in inserting column 25' is inserted into annular groove 23', inserting column 25' can strut two fixture block 241', makes two fixture block 241' outwards remove respectively, drives catch 244' and swings.After inserting column 25' inserted and puts in place, two fixture block 241' were connected in annular groove 23', and catch 244' resilience restores to the original state.
In the present embodiment, the fit structure of slide block 2' and ruler 1 is included in groove 11 slide construction and is arranged on the decorative pearl on top of an official cap structure and the last embodiment that press down fast 22' identical, does not repeat them here.
In order to increase demonstration effect of the present invention, of the present invention often also be furnished with the protractor 3 that a slice surface is provided with angle index to ruler 1.Be provided with circular hole 31 at the center of protractor 3, circular hole 31 can be sleeved on inserting column 25, can facilitate protractor 3 is sleeved on the inserting column 25 of slide block 2.In the present embodiment, protractor 3 is made by transparent material, and ruler 1 can be also to be made by transparent material, can see intuitively the angle number of degrees between the ruler 1 after combination.
In the present embodiment, polygon demonstration realia comprises six rulers 1 and six protractors 3, is provided with three slide blocks 2 every on ruler 1.Ruler 1 more than three can be by the various patterns commonly used in several teaching that are superimposed to form of slide block 2.
Ruler 1 is concatenated into linearity, can do to lengthen the rule use.
Three rulers 1 can be assembled into by the slide block 2 on ruler 1 the various triangles in several teaching, can demonstrate leg-of-mutton stability, but the angle of demonstration of parallelism line are complementary, etc.The present embodiment provides wherein a kind of combined demonstration figure of arbitrary triangle, please refer to Fig. 5.
Four rulers 1 can be assembled into various quadrilaterals in several teaching by some slide blocks 2, can demonstrate tetragonal instability, can demonstrate leg-of-mutton neutrality line, can demonstrate leg-of-mutton angular bisector, can demonstrate leg-of-mutton vertical line, can demonstrate triangle similar, etc.The present embodiment provides the wherein similar combined demonstration figure of a kind of triangle, please refer to Fig. 6.
Five rulers 1 can be assembled into various pentagons in several teaching by some slide blocks 2, can demonstrate trapezoidal neutrality line, etc.The present embodiment provides wherein a kind of combined demonstration figure of trapezoidal neutrality line, please refer to Fig. 7.
Six rulers 1 can be assembled into various hexagons in several teaching by some slide blocks 2, can demonstrate the diagonal line of rhombus, can demonstrate triangle core, can demonstrate leg-of-mutton orthocenter, etc.The present embodiment provides wherein a kind of cornerwise combined demonstration figure of rhombus, please refer to Fig. 8.
Because being generally demonstrates on the blackboard of holding up, so, the demonstrator must live in to state teaching aid with hand steered, prevent that it from falling because of deadweight, the present invention has done an improvement for this reason, be provided with some magnetic magnetite 4(in the bottom surface of ruler 1 as shown in Figure 1), magnetite 4 is installed and is adhesively fixed in the counterbore (not shown) at close ruler 1 both ends.When the present invention demonstrated on blackboard made of iron, magnetite 4 can be adsorbed on ruler 1 on blackboard and can not fall because of deadweight, need not to live with hand steered, provided convenience to the demonstrator.
The present invention by ruler and connector simple combination and demonstrate various geometric figures, can cultivate better the student and beat one's brains, start, associate analogy and observation ability, excite the geometric interest of Students ' Learning.By the conversion of Presentation Graphics, also can contact and the education of motion viewpoint the student, cultivate students ' analysis problem and problem-solving ability.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. polygon dynamic demonstration teaching aid, comprise some rulers, be provided with groove along its length direction in the middle of each ruler, some slide blocks are installed in described groove, described slide block can slide in described groove, it is characterized in that, be provided with inserting column in described slider top, be provided with the sleeve joint hole that can match with described inserting column at described slider bottom, described ruler can be stacked up and down, its slide block can be vertically stacked together mutually, thus make some can be combined into described ruler various polygon-shaped.
2. polygon dynamic demonstration teaching aid according to claim 1, it is characterized in that, both sides at described groove are concaved with step surface, gathering sill and end concave surface respectively in described ruler, described step surface is lower than the end face of described ruler, concave surface of the described end is lower than the bottom surface of described ruler, and described gathering sill is lower than described step surface and away from described groove; A side at described gathering sill is concaved with some vertical grooves in described ruler.
3. polygon dynamic demonstration teaching aid according to claim 2, it is characterized in that, described slide block also comprises the upper holder block that can mutually fasten and presses down fast, described upper holder block is arranged on the step surface and gathering sill of described groove both sides, and can slide in described gathering sill, described lower lock block is arranged in the end concave surface of described groove both sides, and can slide on concave surface of the described end; Bottom surface at described upper holder block convexes with guiding rib, and described guiding rib matches with gathering sill.
4. polygon dynamic demonstration teaching aid according to claim 3, it is characterized in that, be concaved with respectively decorative pearl on top of an official cap hole in the two sides of described upper holder block, the decorative pearl on top of an official cap that spring and an end face are the bulb shape is installed in described decorative pearl on top of an official cap hole successively, the described decorative pearl on top of an official cap can slide in described decorative pearl on top of an official cap hole, the bulb of the described decorative pearl on top of an official cap can exceed the side of described upper holder block, and can only touch on described vertical rooved face.
5. polygon dynamic demonstration teaching aid according to claim 4, it is characterized in that, be provided with the magnetic conduction buckling piece at described slide block end face, be provided with magnetic piece in described slide block bottom surface, can mutually be vertically stacked together the slide block of different described rulers from the magnetic absorption effect of magnetic piece by described magnetic conduction buckling piece; Described magnetic conduction buckling piece can be described upper holder block, press down fast and magnetic piece snaps together.
6. polygon dynamic demonstration teaching aid according to claim 5, is characterized in that, described inserting column is convexly equipped with in the centre position of described lower lock block end face, and described inserting column is connected in series described upper holder block and magnetic conduction buckling piece, and exceed the end face of described magnetic conduction buckling piece; Described sleeve joint hole is arranged on the bottom of described lower lock block, and is positioned at the below of described inserting column, and described sleeve joint hole can match with the inserting column of another described ruler slide block.
7. polygon dynamic demonstration teaching aid according to claim 4, is characterized in that, the end of described inserting column is provided with connected structure, is provided with the socket join structure that can cooperatively interact with described connected structure in described sleeve joint hole.
8. polygon dynamic demonstration teaching aid according to claim 7, is characterized in that, described connected structure is the annular groove that is arranged on described inserting column end; Described socket join structure comprises two fixture blocks and fastener, and two described fixture blocks are separately positioned on the both sides of described sleeve joint hole, is provided with the chute that described fixture block is installed on described lower lock block, and described fixture block can slide in described chute; The spacing of two described fixture block front ends is not more than the external diameter of described inserting column, and two described fixture blocks can be connected in the inserting column annular groove of slide block of another described ruler.
9. polygon dynamic demonstration teaching aid according to claim 8, it is characterized in that, described fastener is socketed on described inserting column, described fastener dual-side is respectively equipped with two catch, two described catch only are against respectively the tail end of two described fixture blocks, and described catch can swing in the cavity volume of described upper holder block and lower lock block assembling formation.
10. polygon dynamic demonstration teaching aid according to claim 1, it is characterized in that, described polygon dynamic demonstration teaching aid also is furnished with the protractor that the surface is provided with angle index, is provided with circular hole at the center of described protractor, and described circular hole can be sleeved on described inserting column.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047552.3A CN103093668B (en) | 2013-02-06 | 2013-02-06 | Polygonal dynamic demonstration teaching aid |
| PCT/CN2014/071295 WO2014121698A1 (en) | 2013-02-06 | 2014-01-23 | Polygonal dynamic demonstration teaching aid |
| SG11201508257SA SG11201508257SA (en) | 2013-02-06 | 2014-01-23 | Polygonal dynamic demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047552.3A CN103093668B (en) | 2013-02-06 | 2013-02-06 | Polygonal dynamic demonstration teaching aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103093668A true CN103093668A (en) | 2013-05-08 |
| CN103093668B CN103093668B (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310047552.3A Active CN103093668B (en) | 2013-02-06 | 2013-02-06 | Polygonal dynamic demonstration teaching aid |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103093668B (en) |
| SG (1) | SG11201508257SA (en) |
| WO (1) | WO2014121698A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014121698A1 (en) * | 2013-02-06 | 2014-08-14 | Hu Shuhua | Polygonal dynamic demonstration teaching aid |
| CN104122934A (en) * | 2014-07-15 | 2014-10-29 | 北京航空航天大学 | Attitude range adjustable stable platform limiting mechanism |
| CN106448357A (en) * | 2016-12-07 | 2017-02-22 | 泸县奇峰镇学校 | Device for mathematics teaching |
| CN106997706A (en) * | 2017-04-28 | 2017-08-01 | 王辰飞 | A kind of mathematical modeling teaching aid |
| CN114013203A (en) * | 2021-11-09 | 2022-02-08 | 临澧县职业中专学校 | Mathematics plane drawing is with supplementary teaching aid based on grafting cooperation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781887A (en) * | 2017-02-04 | 2017-05-31 | 邓启民 | A kind of teaching planar pattern demonstration device |
| DK179936B1 (en) * | 2018-03-12 | 2019-10-14 | Angle.Design ApS | Tool for Assisting the Process of Marking or Cutting |
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Also Published As
| Publication number | Publication date |
|---|---|
| SG11201508257SA (en) | 2016-01-28 |
| CN103093668B (en) | 2014-12-17 |
| WO2014121698A1 (en) | 2014-08-14 |
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