CN107290269B - The online Corrosion monitoring equipment of copper sheet and its application method - Google Patents
The online Corrosion monitoring equipment of copper sheet and its application method Download PDFInfo
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- CN107290269B CN107290269B CN201710334525.2A CN201710334525A CN107290269B CN 107290269 B CN107290269 B CN 107290269B CN 201710334525 A CN201710334525 A CN 201710334525A CN 107290269 B CN107290269 B CN 107290269B
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- 238000005260 corrosion Methods 0.000 title claims abstract description 70
- 230000007797 corrosion Effects 0.000 title claims abstract description 70
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 46
- 239000010949 copper Substances 0.000 title claims abstract description 46
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003915 liquefied petroleum gas Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001453 impedance spectrum Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
The invention discloses the online Corrosion monitoring equipment of copper sheet, are related to liquefied petroleum gas copper strip test law technology, for solving Corrosion standards colour table, after long-time service, if do not regularly replaced, the problem of Corrosion standards colour table surface can adhere to the metal fillings in detection process, and detection effect can reduce.It includes detection platform, positioned at the testing agency of detection platform left half, positioned at the detection sliding slot of detection platform right half, the testing agency includes detection support, first motor, the first drive shaft, leading truck, the crane being socketed on leading truck, the crane, which is equipped with, compares structure.Using the lift testing agency for being inlaid with Corrosion standards colour table, more Corrosion standards colour tables are comprehensive, while detecting judgement, improve the accuracy determined copper corrosion.The present invention also provides the online Corrosion monitoring equipment application methods of copper sheet.
Description
Technical field
The present invention relates to liquefied petroleum gas copper strip test law technologies, are that the online Corrosion monitoring of copper sheet is set specifically
Standby and its application method.
Background technique
Copper corrosion equipment is for measuring diesel oil, gasoline, lubricating oil or other oil products to the corrosivity degree of copper.Inspection
It needs to polish to copper sheet when survey, copper sheet is put into cleaning solvent after polishing and is cleaned, dry and carried out again most after cleaning
After polish, after polishing copper sheet is compared with Corrosion standards colour table, sample is determined according to the classification of Corrosion standards colour table
Corrosivity.
Patent document 200920276246.6 discloses a kind of copper strip corrosion quick tester, including cylinder, top cover, U-shaped
Pipe, cork, the cylinder are connect with top seal, and U-tube is fixedly connected with top cover, it is characterized in that the analyzer further includes adding
Hot device and thermostat, heater are located at the analyzer bottom, and thermostat is located at analyzer side wall.It oil sample to be measured and will be beaten when measurement
Copper sheet after mill is placed in U-tube, and heating end of reaction further takes out copper sheet, determines the rank of copper corrosion.The instrument can be fast
Speed measurement copper corrosion rank, and its structure is simple, rationally distributed, low in cost, installation, operation and use are all very convenient, also
Convenient for testing staff's carrying.
Patent document 201310526027.X discloses a kind of corrosion of diesel through copper piece rapid detection method, major technique side
Case are as follows: after handling the copper interdigital capacitive sensor polishing of production, put it into 100 DEG C ± 1 DEG C of constant temperature of diesel oil system
Middle reaction 20 minutes；In reaction process, using impedance spectrum instrument, primary copper interdigital capacitor sensor was detected at interval of 1 minute
Impedance value, within interval time, two interpolar application+15V of capacitance type sensor DC voltage with accelerated corrosion process,
Finally, judging the corrosion level of diesel oil according to impedance variations feature.
But above-mentioned technical proposal, the residence time determined corrosion level is too short, if copper sheet surface adhesion has polishing
Remaining metal fillings in the process will affect Corrosion standards colour table to determine corrosive accuracy of copper sheet sample.Especially, rotten
Standard colour board is lost, after long-time service, if do not regularly replaced, Corrosion standards colour table surface can adhere to the metal in detection process
Bits, detection effect can reduce.
Summary of the invention
It is a kind of comprehensive using more Corrosion standards colour tables object of the present invention is to be intended to provide, while detecting the copper sheet of judgement
Online Corrosion monitoring equipment.
The online Corrosion monitoring equipment of copper sheet, including detection platform are located at inspection positioned at the testing agency of detection platform left half
The detection sliding slot of scaffold tower face right half, the testing agency include detection support, first motor, the first drive shaft, leading truck, set
First motor, first drive shaft, rear end connection first are installed in the crane being connected on leading truck, the detection support top
Motor, front end connect crane, first drive shaft, and front end is equipped with first gear, and the crane is equipped with and first
The second gear of gear matches, the crane, which is equipped with, compares structure.
By adopting the above technical scheme, starting first motor, first gear rotates clockwise, second gear rotation is driven, into
And it controls crane and is moved downward along leading truck；After the copper sheet that a upper process comes enters detection sliding slot, crane is utilized
On comparison structure, complete Corrosion monitoring determine；
When shutdown, switching switch, first gear is rotated counterclockwise, and drives second gear rotation, and then control lifting
Frame is moved upwards along leading truck, is convenient to clean detection sliding slot.
It further limits, the comparison structure includes comparing terminal, positioned at the comparison piece compared on terminal, the comparison piece
Inside it is inlaid with Corrosion standards colour table.
It using the Corrosion standards colour table inlayed in piece is compared, completes Corrosion monitoring and determines, convenient for periodic replacement Corrosion standards
Colour table.
It further limits, the crane includes vertical supports, upper horizontal support, lower transverse frame, and the first trunnion is described
Upper horizontal support rear end connects vertical supports by first rotating shaft, and front end connects the first trunnion by the second shaft, and described the
It is equipped with below one trunnion and compares piece, the lower transverse frame is at concave shape.
It further limits, the comparison terminal is two, is respectively arranged on the first trunnion two sides.
It further limits, lock seat is equipped at the top of the lower transverse frame two-arm, guide rod latches head, the guide rod
Both ends pass through lock head connection lock seat respectively, and the guide rod runs through the first trunnion.
It further limits, first trunnion two sides are respectively left slider and the right side there are also grip slide, the grip slide
Sliding block, the guide rod outer wall are equipped with external screw thread, and the left slider is equipped with the first circular hole, and first circular-hole internal-wall is equipped with interior spiral shell
Line, the right sliding block are equipped with the first circular hole, and first circular-hole internal-wall is equipped with internal screw thread.
It adds left slider and right sliding block is respectively sleeved on guide rod, avoid the first trunnion from moving up and down for a long time, run-off the straight
Phenomenon, cause compare piece in be inlaid with Corrosion standards colour table cannot contact detection sliding slot on copper sheet to be detected.
It further limits, the lower transverse frame two-arm front end is equipped with bending tube, reinforcing bar, and the bending tube is equipped with the
One through-hole, the reinforcing bar both ends are equipped with external screw thread, and the reinforcing bar both ends are connected after passing through first through hole by the first nut.
It further limits, the upper horizontal support leading portion outer wall is equipped with hinged seat, articulated jib, the articulated jib rear end connection
Hinged seat, front end connect the second shaft.
It further limits, the detection platform bottom is equipped with the first idler wheel.
The present invention also provides the online Corrosion monitoring equipment application methods of copper sheet, include the following steps,
Step 1, equipment installation, equipment installation, the testing agency include detection support, first motor, the first driving
First motor, first drive shaft are installed in axis, leading truck, the crane being socketed on leading truck, the detection support top
Rear end connects first motor, and front end connects crane, and first drive shaft front end is equipped with first gear, on the crane
Equipped with the matched second gear of first gear, the crane be equipped with compare structure；The comparison structure includes than opposite end
Son is inlaid with Corrosion standards colour table in the comparison piece positioned at the comparison piece compared on terminal；The crane includes vertical branch
Frame, upper horizontal support, lower transverse frame, the first trunnion, the upper horizontal support rear end connect vertical supports by first rotating shaft,
Its front end connects the first trunnion by the second shaft, is equipped with below first trunnion and compares piece, the lower transverse frame is at recessed
Font；
Step 2, starting device start first motor, and first gear rotates clockwise, and drive second gear rotation, in turn
It controls lower transverse frame to move downward along leading truck, lock seat, guide rod, lock is equipped at the top of the lower transverse frame two-arm
Head, the guide rod both ends pass through lock head connection lock seat respectively, and the guide rod runs through the first trunnion, utilizes guide rod band
The dynamic comparison piece for being inlaid with Corrosion standards colour table moves downward, close to detection sliding slot；When the copper sheet that a upper process comes enters inspection
After surveying sliding slot, using the Corrosion standards colour table inlayed in piece is compared, Corrosion monitoring is completed；
When shutdown, switching switch, first gear is rotated counterclockwise, and drives second gear rotation, and then controls lower cross
It is moved upwards to frame along leading truck, is inlaid with Corrosion standards colour table comparison piece using guide rod drive and moves upwards, it is separate
Detect sliding slot.
The present invention compared with prior art, using the lift testing agency for being inlaid with Corrosion standards colour table, more Corrosion standards
Colour table is comprehensive, while detecting judgement, improves the accuracy determined copper corrosion.
Detailed description of the invention
The present invention can be further illustrated by the nonlimiting examples that attached drawing provides；
Fig. 1 is the online Corrosion monitoring equipment perspective view of copper sheet of the present invention；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the online Corrosion monitoring equipment front view of copper sheet of the present invention；
Main element symbol description is as follows:
Sliding slot 3, detection support 4, first motor 5, the first drive shaft 6, leading truck detect in detection platform 1, testing agency 2
7, structure 8 is compared, terminal 9 is compared, compares piece 10, vertical supports 11, upper horizontal support 12, lower transverse frame 13, the first trunnion
14, first rotating shaft 15, the second shaft 16, Corrosion standards colour table 17, lock seat 18, guide rod 19, lock head 20, bending tube 21,
Reinforcing bar 22, the first nut 23, hinged seat 24, articulated jib 25, the first idler wheel 26.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
Embodiment one,
Such as Fig. 1, Fig. 2, shown in Fig. 3, the online Corrosion monitoring equipment of copper sheet, including detection platform 1, it is left to be located at detection platform 1
Partial testing agency 2, positioned at the detection sliding slot 3 of 1 right half of detection platform, testing agency 2 includes detection support 4, the first electricity
Machine 5, the first drive shaft 6, leading truck 7, the crane being socketed on leading truck 7 install first motor 5 at the top of detection support 4, the
One drive shaft 6, rear end connect first motor 5, and front end connects crane, the first drive shaft 6, and front end is equipped with first gear, rise
Drop frame is equipped with and the matched second gear of first gear, and crane, which is equipped with, compares structure 8.
Comparing structure 8 includes comparing terminal 9, positioned at the comparison piece 10 compared on terminal 9, compares in piece 10 and is inlaid with corrosion
Standard colour board 17.
Crane includes vertical supports 11, upper horizontal support 12, lower transverse frame 13, the first trunnion 14, upper horizontal support
12 rear ends by first rotating shaft 15 connect vertical supports 11, front end by the second shaft 16 connect the first trunnion 14, first
It is equipped with below ear 14 and compares piece 10, lower transverse frame 13 is at concave shape.
Comparing terminal 9 is two, is respectively arranged on 14 two sides of the first trunnion.
Lock seat 18 is equipped at the top of lower 13 two-arm of transverse frame, guide rod 19 latches head 20, and 19 both ends of guide rod lead to respectively
The connection lock seat 18 of lock head 20 is crossed, guide rod 19 runs through the first trunnion 14.
Embodiment two,
Such as Fig. 1, Fig. 2, shown in Fig. 3, the online Corrosion monitoring equipment of copper sheet, including detection platform 1, it is left to be located at detection platform 1
Partial testing agency 2, positioned at the detection sliding slot 3 of 1 right half of detection platform, testing agency 2 includes detection support 4, the first electricity
Machine 5, the first drive shaft 6, leading truck 7, the crane being socketed on leading truck 7 install first motor 5 at the top of detection support 4, the
One drive shaft 6, rear end connect first motor 5, and front end connects crane, the first drive shaft 6, and front end is equipped with first gear, rise
Drop frame is equipped with and the matched second gear of first gear, and crane, which is equipped with, compares structure 8.
Comparing structure 8 includes comparing terminal 9, positioned at the comparison piece 10 compared on terminal 9, compares in piece 10 and is inlaid with corrosion
Standard colour board 17.
Crane includes vertical supports 11, upper horizontal support 12, lower transverse frame 13, the first trunnion 14, upper horizontal support
12 rear ends by first rotating shaft 15 connect vertical supports 11, front end by the second shaft 16 connect the first trunnion 14, first
It is equipped with below ear 14 and compares piece 10, lower transverse frame 13 is at concave shape.
Comparing terminal 9 is two, is respectively arranged on 14 two sides of the first trunnion.
Lock seat 18 is equipped at the top of lower 13 two-arm of transverse frame, guide rod 19 latches head 20, and 19 both ends of guide rod lead to respectively
The connection lock seat 18 of lock head 20 is crossed, guide rod 19 runs through the first trunnion 14.
There are also grip slide, grip slide is respectively left slider 15 and right sliding block 16, guide rod 19 for first trunnion, 14 two sides
Outer wall is equipped with external screw thread, and left slider 15 is equipped with the first circular hole, and the first circular-hole internal-wall is equipped with internal screw thread, and right sliding block 16 is equipped with the first circle
Hole, the first circular-hole internal-wall are equipped with internal screw thread.
Lower 13 two-arm front end of transverse frame is equipped with bending tube 21, reinforcing bar 22, and bending tube 21 is equipped with first through hole, reinforces
22 both ends of bar are equipped with external screw thread, and 22 both ends of reinforcing bar are connected after passing through first through hole by the first nut 23.
Upper 12 leading portion outer wall of horizontal support is equipped with hinged seat 24, articulated jib 25, and 25 rear end of articulated jib connects hinged seat 24,
Front end connects the second shaft 16.
1 bottom of detection platform is equipped with the first idler wheel 26.
Embodiment one is compared with embodiment two, for opposite embodiment one, in embodiment two, adds left slider and right sliding block
It is respectively sleeved on guide rod, the first trunnion is avoided to move up and down for a long time, run-off the straight phenomenon causes to be inlaid with corrosion in comparison piece
Standard colour board cannot contact the copper sheet to be detected on detection sliding slot, using Corrosion standards colour table, realize and determine copper corrosion, most
The corrosion classification of copper sheet is obtained eventually.
The classification of Corrosion standards colour table
The online Corrosion monitoring equipment application method of copper sheet, includes the following steps,
Step 1, equipment installation, equipment installation, the testing agency include detection support, first motor, the first driving
First motor, first drive shaft are installed in axis, leading truck, the crane being socketed on leading truck, the detection support top
Rear end connects first motor, and front end connects crane, and first drive shaft front end is equipped with first gear, on the crane
Equipped with the matched second gear of first gear, the crane be equipped with compare structure；The comparison structure includes than opposite end
Son is inlaid with Corrosion standards colour table in the comparison piece positioned at the comparison piece compared on terminal；The crane includes vertical branch
Frame, upper horizontal support, lower transverse frame, the first trunnion, the upper horizontal support rear end connect vertical supports by first rotating shaft,
Its front end connects the first trunnion by the second shaft, is equipped with below first trunnion and compares piece, the lower transverse frame is at recessed
Font；
Step 2, starting device start first motor, and first gear rotates clockwise, and drive second gear rotation, in turn
It controls lower transverse frame to move downward along leading truck, lock seat, guide rod, lock is equipped at the top of the lower transverse frame two-arm
Head, the guide rod both ends pass through lock head connection lock seat respectively, and the guide rod runs through the first trunnion, utilizes guide rod band
The dynamic comparison piece for being inlaid with Corrosion standards colour table moves downward, close to detection sliding slot；When the copper sheet that a upper process comes enters inspection
After surveying sliding slot, using the Corrosion standards colour table inlayed in piece is compared, Corrosion monitoring is completed；
When shutdown, switching switch, first gear is rotated counterclockwise, and drives second gear rotation, and then controls lower cross
It is moved upwards to frame along leading truck, is inlaid with Corrosion standards colour table comparison piece using guide rod drive and moves upwards, it is separate
Detect sliding slot.
The online Corrosion monitoring equipment of copper sheet provided by the invention and its application method are described in detail above.Specifically
The explanation of embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and repair
Decorations, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (5)
1. the online Corrosion monitoring equipment of copper sheet, it is characterised in that: including detection platform, positioned at the detection machine of detection platform left half
Structure, positioned at the detection sliding slot of detection platform right half, the testing agency includes detection support, first motor, the first drive shaft,
First motor, the first driving shaft rear end are installed in leading truck, the crane being socketed on leading truck, the detection support top
First motor is connected, front end connects crane, and first drive shaft front end is equipped with first gear, and the crane is equipped with
With the matched second gear of first gear, the crane, which is equipped with, compares structure；The comparison structure includes comparing terminal, position
In comparing the comparison piece on terminal, Corrosion standards colour table is inlaid in the comparison piece；The crane includes vertical supports, on
Horizontal support, lower transverse frame, the first trunnion, the upper horizontal support rear end connect vertical supports by first rotating shaft, before
End connects the first trunnion by the second shaft, is equipped with below first trunnion and compares piece, the lower transverse frame is at concave shape；
The comparison terminal is two, is respectively arranged on the first trunnion two sides；Lock seat, guiding are equipped at the top of the lower transverse frame two-arm
Bar latches head, and the guide rod both ends pass through lock head connection lock seat respectively, and the guide rod runs through the first trunnion.
2. the online Corrosion monitoring equipment of copper sheet according to claim 1, it is characterised in that: first trunnion two sides are also
Grip slide, the grip slide are respectively left slider and right sliding block, and the guide rod outer wall is equipped with external screw thread, the left slider
Equipped with the first circular hole, first circular-hole internal-wall is equipped with internal screw thread, and the right sliding block is equipped with the first circular hole, in first circular hole
Wall is equipped with internal screw thread.
3. the online Corrosion monitoring equipment of copper sheet according to claim 2, it is characterised in that: before the lower transverse frame two-arm
End is equipped with bending tube, reinforcing bar, and the bending tube is equipped with first through hole, and the reinforcing bar both ends are equipped with external screw thread, described to add
Solid rod both ends are connected after passing through first through hole by the first nut；The upper horizontal support leading portion outer wall is equipped with hinged seat, hingedly
Arm, the articulated jib rear end connect hinged seat, and front end connects the second shaft.
4. the online Corrosion monitoring equipment of copper sheet according to claim 3, it is characterised in that: the detection platform bottom is equipped with
First idler wheel.
5. the online Corrosion monitoring equipment application method of copper sheet according to claim 1, it is characterised in that: including following step
Suddenly,
Step 1, equipment installation, the testing agency include detection support, first motor, the first drive shaft, leading truck, socket
First motor, the first electricity of the first driving shaft rear end connection are installed at the top of the crane on leading truck, the detection support
Machine, front end connect crane, and first drive shaft front end is equipped with first gear, and the crane is equipped with and first gear
Matched second gear, the crane, which is equipped with, compares structure；The comparison structure includes comparing terminal, is located at and compares terminal
On comparison piece, be inlaid with Corrosion standards colour table in the comparison piece；The crane includes vertical supports, upper horizontal support,
Lower transverse frame, the first trunnion, the upper horizontal support rear end connect vertical supports by first rotating shaft, and front end passes through second
Shaft connects the first trunnion, is equipped with below first trunnion and compares piece, the lower transverse frame is at concave shape；
Step 2, starting device start first motor, and first gear rotates clockwise, and drive second gear rotation, and then control
Lower transverse frame is moved downward along leading truck, and lock seat is equipped at the top of the lower transverse frame two-arm, and guide rod latches head,
The guide rod both ends pass through lock head connection lock seat respectively, and the guide rod is run through the first trunnion, driven using guide rod
The comparison piece for being inlaid with Corrosion standards colour table moves downward, close to detection sliding slot；When the copper sheet that a upper process comes enters detection
After sliding slot, using the Corrosion standards colour table inlayed in piece is compared, Corrosion monitoring is completed；
When shutdown, switching switch, first gear is rotated counterclockwise, and drives second gear rotation, and then controls lower lateral frame
Frame is moved upwards along leading truck, is inlaid with Corrosion standards colour table comparison piece using guide rod drive and is moved upwards, far from detection
Sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334525.2A CN107290269B (en) | 2017-05-12 | 2017-05-12 | The online Corrosion monitoring equipment of copper sheet and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334525.2A CN107290269B (en) | 2017-05-12 | 2017-05-12 | The online Corrosion monitoring equipment of copper sheet and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107290269A CN107290269A (en) | 2017-10-24 |
| CN107290269B true CN107290269B (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710334525.2A Active CN107290269B (en) | 2017-05-12 | 2017-05-12 | The online Corrosion monitoring equipment of copper sheet and its application method |
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| CN107290269A (en) | 2017-10-24 |
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