CN109304698A - A kind of sample lineation device - Google Patents
A kind of sample lineation device Download PDFInfo
- Publication number
- CN109304698A CN109304698A CN201811307954.1A CN201811307954A CN109304698A CN 109304698 A CN109304698 A CN 109304698A CN 201811307954 A CN201811307954 A CN 201811307954A CN 109304698 A CN109304698 A CN 109304698A
- Authority
- CN
- China
- Prior art keywords
- sample
- block
- fixing piece
- scribing
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
Abstract
A kind of sample lineation device, including body assembly and carrier module；Main element includes positioning component and scribing line component；Positioning component includes main body, closed slide；Component is cranked arm by scribing block, spur rack, roller gear, scribing line, rotating handle, scribe head and fixing piece three form for scribing line；Carrier body includes objective table, sample table；Sample is placed on the sample table of objective table, turning knob two, and connecting block drives movable block to move axially along screw rod, steps up sample；Turning knob one, carrier module move integrally, and a certain line alignment of tag line and lower graduation mark in observation, stop operating knob one；Rotation rotation hand, scribe head draw a mark line on sample, repeat the above process, and scribe head can draw the mark line of different distance and length on sample；Structure of the invention is compact, is convenient for operation and maintenance, and scribing line precision and efficiency is greatly improved.
Description
Technical field
The invention belongs to test equipment technology field, and in particular to a kind of sample lineation device, for sample scribing line, label
Width, the device for measuring sample crack extending length.
Background technique
The relationship of Three Points Bending Specimen, corrosion fatigue test research crack propagation and stress form and corrosive medium, often
Can on sample a prefabricated crackle or wire cutting go out a smaller crackle, in order to further On Crack Propagation to it is related
The quantitative description of factor, the observation of crackle and measurement are indispensable, therefore, mark different distance and length in advance on sample
Mark line is particularly important, convenient for passing through electron microscope observation crack propagation situation during the test.However, not having still at present
Eaily device completes dashing work, often takes the mode crossed by hand to be operated, it is well known that draws by hand
Line, precision vary with each individual, and therefore, scribing line seriously affects experiment accuracy and consistency by hand.To solve to occur during test
This problem, design a kind of sample lineation device and have important practical significance.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide one kind have it is convenient, efficient, accurately
Sample lineation device finely tunes sample position, transfers groove pen, difference is drawn on sample by the way that sample is placed in objective table
The lines of scale, convenient for observing crack extending length under an electron microscope；Structure of the invention is compact, is convenient for operation and maintenance,
Scribing line precision and efficiency is greatly improved.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of sample lineation device, which is characterized in that
It include main element and carrier body；Main element includes positioning component and scribing line component；
The positioning component includes main body, sets that there are two closed slides at the top of the pedestal of main body；The left side of main body, which is equipped with, to be fixed
Part one, fixing piece two, screw rod pass through the threaded hole of fixing piece one, and the outer end of screw rod is fixedly connected with bevel gear one, and inner end passes through
The threaded hole of trapezoid block；Rotating bar passes through fixing piece two, and rotating bar one end is equipped with knob one, and the other end is equipped with bevel gear two, cone
Gear two is meshed with bevel gear one；
The scribing line component cranked arm by scribing block, spur rack, roller gear, scribing line, rotating handle, scribe head and fixing piece three
Composition；Scribing line is erected at the side of pedestal, and scribing block is inverted L-shaped；One concave slot, convex are arranged at the horizon bar top at the top of scribing block
Spur rack is equipped in slot, spur rack is engaged with roller gear, and roller gear is mounted between two fixing pieces three, two fixing pieces
Three are individually fixed in the two sides of concave slot；Rotating handle is fixedly connected with roller gear；Spur rack is cranked arm with scribing line to be connected；
Carrier body includes objective table, movable block, screw rod, fixing piece four, fixing piece five, bevel gear three, bevel gear four, rotation
Bar, knob two；Fixing piece four, fixing piece five are equipped on the left of objective table；One end of screw rod is equipped with bevel gear three, and the other end passes through solid
Determine part four, connecting block, screw rod is threadedly coupled with connecting block；Connecting block is fixed on the left of movable block, and movable block bottom passes through groove
It is socketed on the outside of sample table, is slidably connected with sample table；Bevel gear three is meshed with bevel gear four；Bevel gear four is located at swingle
One end, the other end of swingle is connected after passing through fixing piece five with knob two；
The top of the carrier body is equipped with sample table；Objective table bottom is set there are two inverted trapezoidal slot one, two inverted trapezoidal slots
One is slidably connected with two guide rails on pedestal respectively；Inverted trapezoidal block is fixed on objective table bottom；Under screw rod drive, inverted trapezoidal
Block and objective table are moved along guide rail.
The spur rack section is convex.
The right side of the objective table is equipped with baffle.
Hanging setting at the top of the scribing block.
The side of the pedestal is equipped with lower graduation mark.The side of the objective table is equipped with upper tag line.
The sample table is isosceles inverted trapezoidal.
The screw rod is located between two guide rails 17；Guide rail is isosceles inverted trapezoidal boss guide rail.
The block is inverted trapezoidal block；Block is fixed in the inverted trapezoidal slot two of objective table bottom.
The beneficial effects of the present invention are:
The present invention due to being provided with positioning component, scribing line component and carrier module, the sample table of carrier module, movable block, screw rod,
The clamping of sample can be achieved in bevel gear three；Two inverted trapezoidal guide rails, screw rod, gears on two inverted trapezoidal slots one being arranged, pedestal
Block, lower graduation mark and upper tag line can realize scribing line positioning；Hanging scribing block, concave slot, spur rack, the Cylinder Gear being arranged
Wheel, rotating handle and achievable scribing line of cranking arm of crossing, the present invention have simple and compact for structure, practical reliable, precision height, weight
Gently, feature easy to carry.
Detailed description of the invention
Fig. 1 is a kind of sample lineation device 3 d effect graph of the present invention.
Fig. 2 is a kind of sample lineation device main element 3 d effect graph of the present invention.
Fig. 3 is a kind of sample lineation device carrier body 3 d effect graph of the present invention.
Fig. 4 is present invention scribing line component 3 d effect graph.
Fig. 5 is convergence piece 3 d effect graph of the present invention.
Specific embodiment
Below in conjunction with attached drawing, present invention is further described in detail.
Referring to Fig. 1~5, a kind of sample lineation device includes main element 1 and carrier body 18；Main element 1 includes
Positioning component and scribing line component；
Positioning component includes main body 8, is set at the top of the pedestal 801 of main body 8 there are two closed slide 17；The left side of main body 8 uses spiral shell
Mounting fixing parts 1, fixing piece 2 14 are followed closely, screw rod 11 passes through the threaded hole of fixing piece 1, and the outer end of screw rod 11 is fixedly connected
Bevel gear 1, inner end pass through the threaded hole of block 12, are threadedly coupled with block 12；Rotating bar 15 passes through fixing piece 2 14, rotation
15 one end of bar is equipped with knob 1, and the other end is equipped with bevel gear 2 13, and bevel gear 2 13 is meshed with bevel gear 1；
The positioning component is by main body, fixing piece one, fixing piece two, bevel gear one, bevel gear two, screw rod, rotating bar, knob
One, inverted trapezoidal block and guide rail composition.
Scribing line component is cranked arm 3, rotating handle 4, scribe head 7 and solid by scribing block 802, spur rack 2, roller gear 6, scribing line
Determine the composition of part 35；Scribing block 802 is located at behind pedestal 801 (side), and scribing block 802 is inverted L-shaped；802 top of scribing block
One concave slot 8021 is arranged at horizon bar top, is equipped with spur rack 2 in concave slot 8021, spur rack 2 is engaged with roller gear 6, cylinder
Gear 6 is mounted between two fixing pieces 35, and two fixing pieces 35 are individually fixed in the two sides of concave slot 8021；Rotating handle
4 are fixedly connected with roller gear 6；Spur rack 2 and scribing line, which are cranked arm, 3 to be connected；
Carrier body 18 include objective table 28, movable block 27, screw rod 21, fixing piece 4 20, fixing piece 5 24, bevel gear 3 22,
Bevel gear 4 23, swingle 25, knob 2 26；Fixing piece 4 20, fixing piece five are separately connected by screw on the left of objective table 28
24；One end of screw rod 21 is equipped with bevel gear 3 22, and the other end passes through fixing piece 4 20, connecting block 29, screw rod 21 and connecting block 29
It is threadedly coupled；Connecting block 29 is fixed on 27 left side of movable block, and 27 bottom of movable block is socketed in 2803 outside of sample table by groove,
It is slidably connected with sample table；Bevel gear 3 22 is meshed with bevel gear 4 23；Bevel gear 4 23 is located at one end of swingle 25, rotation
The other end of bull stick 25 is connected after passing through fixing piece 5 24 with knob 2 26；
The top of the carrier body 18 is equipped with sample table 2803；28 bottom of objective table is set there are two inverted trapezoidal slot 1,
Two inverted trapezoidal slots 1 are slidably connected with two guide rails 17 on pedestal 801 respectively；Block 12 is fixed on 28 bottom of objective table
Portion；Under the drive of screw rod 11, block 12 and objective table 28 are moved along guide rail 17.
The right side of the objective table 28 is equipped with baffle 2805.
The side of the pedestal 801 is equipped with lower graduation mark 803.
The side of the objective table 28 is equipped with upper tag line 2804.
The block 12 is inverted trapezoidal block.Block 12 is fixed in the inverted trapezoidal slot 2 2801 of 28 bottom of objective table.
Hanging setting at the top of the scribing block.
2 section of spur rack is convex；
The sample table 2803 is isosceles inverted trapezoidal.
The screw rod 11 is located between two guide rails 17；Guide rail 17 is isosceles inverted trapezoidal boss guide rail.
The positioning component and scribing line component are coupled integrally by main body 8；The carrier body 18 is spatially positioned at fixed
Between hyte part and scribing line component；
Pedestal 801 includes that there are two closed slide 17 and a hanging scribing block 802, two closed slides 17 difference
It is located at the top two sides of pedestal 801；The guide rail 17 is used for 18 moving direction of control vector component；Block 12 is along 11 axis of screw rod
It is the mobile transmitting power of carrier body 18 to movement.
The scribing line, which is cranked arm, 3 to be connect with spur rack 2 by screw；Rotating handle 4 drives roller gear 6 to rotate, cylinder
Gear 6 engages spur rack 2, and spur rack 2 drives 3 movements of cranking arm of crossing, and bow pen 7 draws linear mark on sample 19.
There is a concave slot 8021 at the top of scribing block 802, concave slot 8021 is for installing spur rack 2；2 section of spur rack
For convex；
The carrier module 18 includes objective table 28, and objective table 28 rotates knob 2 26, bevel gear three for placing sample 19
22 engage with bevel gear 4 23, and screw rod 21 rotates, and 19 function of sample is stepped up or loosened to mobile realize of movable block.
The working principle of the invention is:
Sample 19 is placed on 28 sample table 2803 of objective table, turning knob 2 26, and bevel gear 3 22 and bevel gear 4 23 engage
Transmission, bevel gear 3 22 drive screw rod 21 to rotate, and connecting block 29 drives movable block 27 to move axially along screw rod 21, step up sample
19；Turning knob 1,2 13 engaged transmission of bevel gear 1 and bevel gear, bevel gear 1 drive screw rod 11 to rotate, block 12
Carrier module 18 is driven to move integrally, in observation after the 803 a certain line alignment of tag line 2804 and lower graduation mark, stop operating rotation
Button 1；Rotate rotating handle 4, roller gear 6 and the engaged transmission of spur rack 2, spur rack 2 and scribing line are cranked arm 3 mobile, scribe heads
7 draw a mark line on sample；Turning knob 1 again, carrier module 18 move integrally, tag line 2804 in observation
With the 803 another line alignment of lower graduation mark, stop operating knob 1；Rotating handle 4 is rotated, scribe head 7 is drawn on sample
Another mark line；According to test requirements document, scribe head 7 can be in the mark line for drawing different distance and length on sample.
Claims (8)
1. a kind of sample lineation device, which is characterized in that include main element (1) and carrier body (18)；Main element (1)
Including positioning component and scribing line component；
The positioning component includes main body (8), sets that there are two closed slide (17) at the top of the pedestal (801) of main body (8)；Main body
(8) left side is equipped with fixing piece one (10), fixing piece two (14), and screw rod (11) passes through the threaded hole of fixing piece one (10), screw rod
(11) outer end is fixedly connected with bevel gear one (9), and inner end passes through the threaded hole of inverted trapezoidal block (12)；Rotating bar (15), which passes through, fixes
Part two (14), rotating bar (15) one end are equipped with knob one (16), and the other end is equipped with bevel gear two (13), bevel gear two (13) and cone
Gear one (9) is meshed；
The scribing line component is by scribing block (802), spur rack (2), roller gear (6), (3), rotating handle of cranking arm of crossing
(4), scribe head (7) and fixing piece three (5) composition；Scribing block (802) is located at the side of pedestal (801), and scribing block (802) is to fall
L shape；Horizon bar top at the top of scribing block (802) has a concave slot (8021), is equipped with spur rack (2) in concave slot (8021),
Spur rack (2) is engaged with roller gear (6), and roller gear (6) is mounted between two fixing pieces three (5), two fixing pieces three
(5) two sides of concave slot (8021) are individually fixed in；Rotating handle (4) is fixedly connected with roller gear (6)；Spur rack (2) with
Scribing line crank arm (3) be connected；
Carrier body (18) include objective table (28), movable block (27), screw rod (21), fixing piece four (20), fixing piece five (24),
Bevel gear three (22), bevel gear four (23), swingle (25), knob two (26)；Fixing piece four is equipped on the left of objective table (28)
(20), fixing piece five (24)；One end of screw rod (21) is equipped with bevel gear three (22), and the other end passes through fixing piece four (20), linking
Block (29), screw rod (21) are threadedly coupled with connecting block (29)；Connecting block (29) is fixed on the left of movable block (27), movable block (27)
Bottom is socketed on the outside of sample table (2803) by groove, is slidably connected with sample table；Bevel gear three (22) and bevel gear four
(23) it is meshed；Bevel gear four (23) is located at one end of swingle (25), and the other end of swingle (25) passes through fixing piece five
(24) it is connected afterwards with knob two (26)；
The top of the carrier body (18) is equipped with sample table (2803)；Objective table (28) bottom is set there are two inverted trapezoidal slot one
(2802), two inverted trapezoidal slots one (2802) are slidably connected with two guide rails (17) on pedestal (801) respectively；Inverted trapezoidal block
(12) it is fixed on objective table (28) bottom；In the case where screw rod (11) drive, inverted trapezoidal block (12) and objective table (28) are along guide rail
(17) it moves.
2. a kind of sample lineation device according to claim 1, which is characterized in that spur rack (2) section is convex.
3. a kind of sample lineation device according to claim 1, which is characterized in that set on the right side of the objective table (28)
There are baffle (2805).
4. a kind of sample lineation device according to claim 1, which is characterized in that vacantly set at the top of the scribing block
It sets.
5. a kind of sample lineation device according to claim 1, which is characterized in that the side of the pedestal (801) is set
There are lower graduation mark (803)；The side of the objective table (28) is equipped with upper tag line (2804).
6. a kind of sample lineation device according to claim 1, which is characterized in that the sample table (2803) is isosceles
Inverted trapezoidal.
7. a kind of sample lineation device according to claim 1, which is characterized in that the screw rod (11), which is located at two, leads
Between rail (17)；Guide rail (17) is isosceles inverted trapezoidal boss guide rail.
8. a kind of sample lineation device according to claim 1, which is characterized in that the block (12) is inverted trapezoidal
Block；Block (12) is fixed in the inverted trapezoidal slot two (2801) of objective table (28) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307954.1A CN109304698B (en) | 2018-11-05 | 2018-11-05 | Sample marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307954.1A CN109304698B (en) | 2018-11-05 | 2018-11-05 | Sample marking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109304698A true CN109304698A (en) | 2019-02-05 |
| CN109304698B CN109304698B (en) | 2023-12-29 |
Family
ID=65222972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307954.1A Active CN109304698B (en) | 2018-11-05 | 2018-11-05 | Sample marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109304698B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873161A (en) * | 2021-01-15 | 2021-06-01 | 陕西科技大学 | Rapid scribing device and scribing method for surface of cylindrical part |
| CN113967903A (en) * | 2021-10-22 | 2022-01-25 | 广州文冲船厂有限责任公司 | Visual digital circle drawing tool |
| CN115097620A (en) * | 2022-08-04 | 2022-09-23 | 宁波华思图科技有限公司 | Three-eye stereomicroscope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB811560A (en) * | 1957-09-14 | 1959-04-08 | Lindsay Mcmillan | An improved adjustable surface marking or scribing instrument |
| US20020032969A1 (en) * | 2000-07-27 | 2002-03-21 | Cardew Tobias M. | Scribing apparatus and method |
| CN204382262U (en) * | 2014-12-31 | 2015-06-10 | 谢先彪 | Sample marking distance pen machine |
| CN206105818U (en) * | 2016-07-13 | 2017-04-19 | 合肥星火工贸有限公司 | Steel sheet cutting marking device |
| CN209207483U (en) * | 2018-11-05 | 2019-08-06 | 西安石油大学 | A kind of sample lineation device |
-
2018
- 2018-11-05 CN CN201811307954.1A patent/CN109304698B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB811560A (en) * | 1957-09-14 | 1959-04-08 | Lindsay Mcmillan | An improved adjustable surface marking or scribing instrument |
| US20020032969A1 (en) * | 2000-07-27 | 2002-03-21 | Cardew Tobias M. | Scribing apparatus and method |
| CN204382262U (en) * | 2014-12-31 | 2015-06-10 | 谢先彪 | Sample marking distance pen machine |
| CN206105818U (en) * | 2016-07-13 | 2017-04-19 | 合肥星火工贸有限公司 | Steel sheet cutting marking device |
| CN209207483U (en) * | 2018-11-05 | 2019-08-06 | 西安石油大学 | A kind of sample lineation device |
Non-Patent Citations (1)
| Title |
|---|
| 刘国年: "快速划线仪的制作和应用", 南方金属, no. 04 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873161A (en) * | 2021-01-15 | 2021-06-01 | 陕西科技大学 | Rapid scribing device and scribing method for surface of cylindrical part |
| CN113967903A (en) * | 2021-10-22 | 2022-01-25 | 广州文冲船厂有限责任公司 | Visual digital circle drawing tool |
| CN115097620A (en) * | 2022-08-04 | 2022-09-23 | 宁波华思图科技有限公司 | Three-eye stereomicroscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109304698B (en) | 2023-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109304698A (en) | A kind of sample lineation device | |
| CN209541678U (en) | A kind of ball screw assembly, Simple measurement device | |
| CN209207483U (en) | A kind of sample lineation device | |
| CN205732403U (en) | Simple pipe bender | |
| CN112710537A (en) | In-situ micro-nano indentation/scratch test platform | |
| CN104678889A (en) | Laser interference control method for grating mechanical ruling engine | |
| CN201637372U (en) | Novel railway gauging rule | |
| CN208772615U (en) | It is a kind of precisely can fixed length cutting TF machine | |
| CN107901015B (en) | A kind of self-centering Multifunctional ruler of high-precision circular hole | |
| CN102645190A (en) | Three-coordinate measuring instrument for measuring shaped pieces | |
| CN202583000U (en) | Novel mechanical stretching percentage elongation after fracture and section shrinkage rate testing tool | |
| CN204747156U (en) | A tool for tubular metal resonator is bent | |
| CN201016902Y (en) | Tension test sampling material dot automatic marking machine | |
| CN211178354U (en) | Shaft sleeve type workpiece measuring table | |
| CN203719629U (en) | Main body structure of large stroke image measuring instrument | |
| CN219496025U (en) | Hardness meter capable of adjusting sample orientation | |
| CN208470959U (en) | The automation precise feeding device of tubing | |
| CN109292530B (en) | Wire winding tool platform for automobile glass lifter | |
| CN108772749B (en) | Large-stroke gantry machine tool translational shaft sectional rack assembling and adjusting precision detection device | |
| CN112060358A (en) | Handheld groover guide apparatus | |
| CN201632847U (en) | Auxiliary clamp for sawing machine | |
| CN202614586U (en) | Automatic feeding device for fall-hammer impact testing machine | |
| CN213208837U (en) | Multifunctional measuring device for mechanical design | |
| CN201583490U (en) | Novel upward-lighting type testing mechanism | |
| CN219608645U (en) | Die bending strength testing instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Tianhan Inventor after: Lin Hong Inventor after: Ding Yiming Inventor after: Deng Biao Inventor before: Lin Hong Inventor before: Xu Tianhan Inventor before: Ding Yiming Inventor before: Deng Biao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |