CN106017617B - magnetic effect liquid level meter - Google Patents
magnetic effect liquid level meter Download PDFInfo
- Publication number
- CN106017617B CN106017617B CN201610374007.9A CN201610374007A CN106017617B CN 106017617 B CN106017617 B CN 106017617B CN 201610374007 A CN201610374007 A CN 201610374007A CN 106017617 B CN106017617 B CN 106017617B
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- Prior art keywords
- block
- measuring
- magnetic
- exterior
- survey
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 title abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000005187 foaming Methods 0.000 claims description 25
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 210000005239 tubule Anatomy 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 abstract description 8
- 239000012071 phase Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 239000003129 oil well Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
Abstract
A magnetic effect liquid level meter comprises a shell body, a left cap, a right cap, an adapter, a switching disc, a hexagonal base, a measuring rod, a measuring block, a check ring, a terminal cap, a power source plate, a functional plate, a display screen and a measuring element. The magnetic effect liquid level meter can efficiently and accurately measure the liquid level and display the liquid level to a user through the display screen, measured information can be sent to a remote management terminal through a wireless module, and simultaneous measurement of density and liquid level of different liquid phases can be achieved.
Description
Technical field
The present invention relates to technical field of petroleum extraction, more particularly to the level gauging aspect of technical field of petroleum extraction, tool
Body is related to a kind of magnetic effect liquidometer.
Background technology
During oil exploitation, output content from oil well matter is crude oil, sewage, natural gas and a small amount of silt etc., because of each oil field ground
Matter situation is different, and the physical difference of output object is big, and meeting output content from oil well, to quantify means considerably less, especially oil phase and water phase nothing
Method is measured, even if output object is separated into after single oil phase, water phase, gas phase using large-scale segregation apparatuss, is then needed substantial amounts of
Segregation apparatuss and supporting metering device, it is cumbersome, and equipment management personnel needs are numerous, cause with high costs, stripper well
Cannot bear, can only use on indivedual barrelers.
A kind of method that patent documentation CN103015968A discloses use quality and level gauge output content from oil well, it is adopted
Various sensors carry out continual measurement to output content from oil well, at any time the quality of output object, liquid in hopper in acquisition device
Position, temperature, pressure and other parameters, the quality and moisture content of oil are obtained by control circuit, but this mode is for profit two
Phase output object needs also exist for configuring substantial amounts of sensor so that equipment is still complicated huge, relatively costly so that when it is used
Significantly limited.
And the measuring staff of existing magnetic effect liquidometer straight tube is usually and with certain hardness using stainless-steel pipe,
It is bulky so that these liquidometers are in transport and cause high cost overhead during use.
The content of the invention
It is an object of the invention to provide a kind of can quickly by the liquid data in container etc. and the magnetic effect that shown
Liquidometer, and a kind of magnetic effect liquidometer for being readily transported and/or quickly measuring liquid level and density is provided, further also carry
For a kind of magnetic effect liquidometer of the data of multi-phase fluid, so as to be surveyed to single-phase or multi-phase fluid by liquid level and density
Amount.
To achieve these goals, the invention provides a kind of magnetic effect liquidometer, it includes housing body, and left cover is right
Lid, adaptor, disk of transferring, hexagonal base, measuring staff surveys block, back-up ring, end cap, power panel, feature board, display screen and measurement
Element, it is characterised in that left cover and right cover is separately mounted to the left and right two ends of housing body, power panel is arranged on left cover and housing
Between main body, feature board is arranged between right cover and housing body, and right cover central authorities are provided with opening, and display screen is arranged on right cover inwall
During groove is set, and display screen can be observed from the opening of right cover, the top of columnar adaptor is connected to housing master
The lower end of body, the lower end of adaptor is connected with switching disk, and adaptor is respectively provided with housing body and switching disk junction
There are the first O-ring and the second O-ring, switching disk connection hexagonal base, disk of transferring offers logical with hexagonal base central authorities
Road, measuring cell is arranged on inside adaptor, and one end of measuring staff is connected to measuring cell, and the other end of measuring staff is through switching disk
With the set passage in hexagonal base central authorities and stretch out, in hexagonal tube chamber welds with base to measuring staff, back-up ring is installed on the another of measuring staff by end cap
One end, surveys block and is slidably set on measuring staff, and between hexagonal base and back-up ring, the line of induction is provided with measuring staff.
According to a second aspect of the present invention, measuring staff is the soft state rustless steel tubule of integral solder molding, so that measuring staff exists
During measurement for straight tube in transport can bending or disk put.
According to a third aspect of the present invention, the top of columnar adaptor is connected to housing by countersunk head soket head cap screw
The lower end of main body, by coiled hair soket head cap screw connection switching disk, one end of measuring staff is welded to measurement unit for the lower end of adaptor
Part.
According to a fourth aspect of the present invention, feature board is connected with wireless transport module, measured by the magnetic effect liquidometer
Data remote management terminal is sent to by the wireless transport module.
According to a fifth aspect of the present invention, surveying block includes tetrafluoro set, expanded material and magnetic material, and tetrafluoro set is arranged at
Block inner side and measuring staff contact position are surveyed, for strengthening the anti-wear performance and greasy property of surveying block relative to measuring staff.
According to a sixth aspect of the present invention, survey in block includes the exterior measuring block with inner chamber and be arranged in exterior measuring block inner chamber
Survey block, exterior measuring block include outer foaming body, outer magnetic block and exterior measuring block tetrafluoro set, interior survey block include interior foaming body, interior magnetic block and
Interior survey block tetrafluoro set, outer foaming body is provided with least one passage, and at least one passage causes the inner chamber and exterior measuring of exterior measuring block
The ft connection of block.
According to a seventh aspect of the present invention, surveying block includes that first surveys block and the second survey block, wherein,
First survey block includes the first exterior measuring block with inner chamber and the first interior survey block being arranged in the first exterior measuring block inner chamber,
First exterior measuring block includes that block is surveyed in the first outer foaming body, the first outer magnetic block and the first exterior measuring block tetrafluoro set, first includes first
Interior foaming body, block tetrafluoro set is surveyed in first in magnetic block and first, the first outer foaming body is provided with least one first passage, this
At least one first passage causes the ft connection of the inner chamber of the first exterior measuring block and the first exterior measuring block；
Second survey block includes the second exterior measuring block with inner chamber and the second interior survey block being arranged in the second exterior measuring block inner chamber,
Second exterior measuring block includes that block is surveyed in the second outer foaming body, the second outer magnetic block and the second exterior measuring block tetrafluoro set, second includes second
Interior foaming body, block tetrafluoro set is surveyed in second in magnetic block and second, the second outer foaming body is provided with least one second channel, this
At least one second channel causes the ft connection of the inner chamber of the second exterior measuring block and the second exterior measuring block.
The invention has the advantages that:The present invention is capable of the liquid level of the measurement liquid of efficiently and accurately, and by showing
Screen shows user and the information by measured by can be sent to remote management terminal as wireless module, and can be for not
Measure while entering line density and liquid level with liquid phase, and using the soft state rustless steel tubule of integral solder molding, can bear outer
Portion's pressure, can also coil packaging, be readily transported；Integral solder can prevent gas from leaking, improve the air-tightness;Float in slide bar and magnetic
Tetrafluoro set is provided between son, using the antiwear characteristic and lubrication property of PTFE, significantly reduce slide bar and magnetic float it
Between abrasion, improve the service life of product.
Description of the drawings
Fig. 1 shows the structural representation of the magnetic effect liquidometer of the present invention；
Fig. 2 shows that the magnetic effect liquid level of the present invention measures a preferred implementation of block, to realize liquid level and liquid
The synchro measure of density；
Fig. 3 shows another preferred implementation of the survey block of the magnetic effect liquidometer of the present invention, to realize different liquid phases
Liquid level and fluid density synchro measure.
Specific embodiment
Below with reference to embodiment, the present invention will be further described：
As shown in fig. 1, the magnetic effect liquidometer includes housing body 1, left cover 2, right cover 3, adaptor 4, disk of transferring
5, hexagonal base 6, measuring staff 7 surveys block 8, back-up ring 9, end cap 10, power panel 11, feature board 12, display screen 13 and measuring cell
14, wherein, left cover 2 and right cover 3 are respectively mounted（For example screw togather）At the left and right two ends of housing body 1, power panel 11 is installed（For example
Engaging）Between left cover 2 and housing body 1, feature board 12 is installed（For example engage）Between right cover 3 and housing body 1, right cover
3 central authorities are provided with opening, and display screen 13 is installed（For example engage）Arrange in groove in the inwall of right cover 3, and the opening from right cover 3 can
To observe display screen 13, the top connection of columnar adaptor 4（For example it is threaded connection and/or by countersunk head six
Angle screw 16 connects）To the lower end of housing body 1, the lower end of adaptor 4 connects（For example pass through coiled hair soket head cap screw 17）Have
Switching disk 5, adaptor 4 is respectively arranged with the first O-ring 15 and the second O-ring with housing body 1 and switching disk 5 junction
18, switching disk 5 connects（For example it is threaded connection）Hexagonal base 6, switching disk 5 is offered with the central authorities of hexagonal base 6
Passage, measuring cell 14 is arranged on inside adaptor 4, one end connection of measuring staff 7（For example by welding）To measuring cell 14, survey
The other end of bar 7 stretches out through the central set passage of switching disk 5 and hexagonal base 6, and hexagonal base 6 is welded on measuring staff 7,
Back-up ring 9 is installed on end cap 10 other end of measuring staff 7, surveys block 8 and is slidably set on measuring staff 7, and in hexagonal base 6 with
Between back-up ring 9.
Measuring staff 7 is the soft state rustless steel tubule of integral solder molding, so that measuring staff 7 is being transported in measurement for straight tube
When can bending or disk put, is provided with the line of induction in measuring staff 7.
Surveying block 8 includes tetrafluoro set, expanded material and magnetic material, and tetrafluoro set is arranged at the inner side of survey block 8 and contacts with measuring staff 7
Place, for strengthening the anti-wear performance and greasy property of surveying block 8 relative to measuring staff 7.
In this embodiment, surveying block 8 is used to measure the liquid level of liquid phase, and these data are measured and located by measuring cell
Reason, and shown corresponding information on a display screen by feature board, so as to user acquisition.
Feature board is connected with wireless transport module（It is not shown）, the data measured by the magnetic effect liquidometer are by the nothing
Line transport module is sent to remote management terminal.
As shown in Figure 2, it is preferable that surveying block 81 includes the exterior measuring block with inner chamber and the interior survey being arranged in exterior measuring block inner chamber
Block, exterior measuring block include outer foaming body 811, outer magnetic block 812 and exterior measuring block tetrafluoro set 810, it is interior survey block include interior foaming body 814,
Interior magnetic block 813 and interior survey block tetrafluoro set 816, outer foaming body 811 is provided with least one passage 815, at least one passage
815 cause the inner chamber of exterior measuring block and the ft connection of exterior measuring block, interior survey block to be arranged in exterior measuring block in various existing modes
In chamber, such as outer foaming body 811 is to connect as one.
Existing when in use that measuring staff is inserted in testing liquid, then surveying block will float on liquid level, and according to the testing liquid
Density present and different eat liquid depth.It is minimum to be measured that the left figure of Fig. 2 represents that the application magnetic effect liquidometer to be measured
Fluid density, the right figure of Fig. 2 represents the application magnetic effect liquidometer highest testing liquid density to be measured.Therefore it is to be measured
The density of liquid must could cause the magnetic effect of the application between minimum testing liquid density and highest testing liquid density
Liquidometer normally runs.
Outer magnetic block is configured to linear linear relationship with the poor density with testing liquid of the distance between interior magnetic block, because
And sense the position corresponding to outer magnetic block and the position corresponding to interior magnetic block, i.e., outer magnetic block and interior magnetic block distance
Difference, compares the straight linear relation to calculate the density of testing liquid, and according to the interior magnetic block of the interior survey block in exterior measuring block
The height of testing liquid is calculated corresponding to the position of the line of induction.
Surveying block 81 is used to measure the liquid level and density of liquid phase, is derived from the data of corresponding liquid phase, measuring cell by these
Data are measured and processed, and are shown corresponding information on a display screen by feature board, so as to user acquisition.
As shown in Figure 3, it is preferable that surveying block 8 includes that first surveys the survey block 83 of block 82 and second, and the first survey block 82 is included with interior
The first exterior measuring block in chamber and the first interior survey block being arranged in the first exterior measuring block inner chamber, the first exterior measuring block includes the first outer foaming body
821st, the first outer magnetic block 822 and the first exterior measuring block tetrafluoro set 820, block is surveyed in first to be included in first in foaming body 824, first
Block tetrafluoro set 826 is surveyed in magnetic block 823 and first, the first outer foaming body 821 is provided with least one first passage 825, and this is extremely
A few first passage 825 causes the inner chamber of the first exterior measuring block and the ft connection of the first exterior measuring block；Second surveys block 83 includes tool
The the second exterior measuring block for having inner chamber and the second interior survey block being arranged in the second exterior measuring block inner chamber, the second exterior measuring block includes the second outgoing
Foam 831, the second outer magnetic block 832 and the second exterior measuring block tetrafluoro set 830, survey in second block include foaming body 834 in second, the
Block tetrafluoro set 836 is surveyed in two in magnetic block 833 and second, the second outer foaming body 831 is provided with least one second channel 835,
At least one second channel 835 causes the inner chamber of the second exterior measuring block and the ft connection of the second exterior measuring block.
First survey block 82 is respectively used to measure the liquid level and density of two kinds of different liquid phases with the second survey block 83, is derived from phase
Answer the data of liquid phase, measuring cell that these data are measured and processed, and included corresponding information aobvious by feature board
In display screen, so as to user acquisition.
It should be strongly noted that the magnetic effect liquidometer of the application is not limited in the multi-phase fluid body examination of output content from oil well
Amount, it is equally applicable to various multi-phase fluid measurements.
For person of ordinary skill in the field, with the development of technology, present inventive concept can be by different way
Realize.Embodiments of the present invention are not limited in embodiments described above, and can carry out within the scope of the claims
Change.
Claims (7)
1. a kind of magnetic effect liquidometer, it includes housing body, and left cover, right cover, adaptor, disk of transferring, hexagonal base is surveyed
Bar, surveys block, back-up ring, end cap, power panel, feature board, display screen and measuring cell, it is characterised in that left cover and right cover is distinguished
Installed in the left and right two ends of housing body, power panel is arranged between left cover and housing body, and feature board is arranged on right cover and shell
Between phosphor bodies, right cover central authorities are provided with opening, and display screen is arranged on right cover inwall and arranges in groove, and can from the opening of right cover
To observe display screen, the top of columnar adaptor is connected to the lower end of housing body, and the lower end of adaptor is connected with and turns
Disk is connect, adaptor is respectively arranged with the first O-ring and the second O-ring, switching circle with housing body and switching disk junction
Disk connects hexagonal base, and switching disk offers passage with hexagonal base central authorities, and measuring cell is arranged on inside adaptor, is surveyed
One end of bar is connected to measuring cell, and the other end of measuring staff stretches out through the central set passage of switching disk and hexagonal base,
To on measuring staff, back-up ring is installed on end cap hexagonal tube chamber welds with base the other end of measuring staff, is surveyed block and is slidably set on measuring staff, and
Between hexagonal base and back-up ring, the line of induction is provided with measuring staff.
2. magnetic effect liquidometer as claimed in claim 1, it is characterised in that measuring staff for integral solder molding soft state rustless steel
Tubule so that measuring staff in measurement for straight tube in transport can bending or disk put.
3. magnetic effect liquidometer as claimed in claim 2, it is characterised in that the top of columnar adaptor is by countersunk head
Hex screw is connected to the lower end of housing body, and the lower end of adaptor is by coiled hair soket head cap screw connection switching disk, measuring staff
One end be welded to measuring cell.
4. the magnetic effect liquidometer as described in arbitrary in claim 1-3, it is characterised in that feature board is connected with and is wirelessly transferred mould
Block, the data measured by the magnetic effect liquidometer are sent to remote management terminal by the wireless transport module.
5. magnetic effect liquidometer as claimed in claim 4, it is characterised in that surveying block includes tetrafluoro set, expanded material and magnetic
Property material, tetrafluoro set be arranged at survey block inner side with measuring staff contact position, for strengthen survey block relative to measuring staff anti-wear performance and profit
Slip energy.
6. magnetic effect liquidometer as claimed in claim 4, it is characterised in that surveying block includes exterior measuring block and setting with inner chamber
Interior survey block in exterior measuring block inner chamber, exterior measuring block includes outer foaming body, outer magnetic block and exterior measuring block tetrafluoro set, and interior survey block includes interior
Foaming body, interior magnetic block and interior survey block tetrafluoro set, outer foaming body is provided with least one passage, and at least one passage causes outer
Survey the inner chamber of block and the ft connection of exterior measuring block.
7. magnetic effect liquidometer as claimed in claim 4, it is characterised in that surveying block includes that first surveys block and second and survey block, its
In,
First survey block include the first exterior measuring block with inner chamber and be arranged in the first exterior measuring block inner chamber first in survey block, first
Exterior measuring block includes that block is surveyed in the first outer foaming body, the first outer magnetic block and the first exterior measuring block tetrafluoro set, first to be included being sent out in first
Foam, block tetrafluoro set is surveyed in first in magnetic block and first, the first outer foaming body is provided with least one first passage, and this is at least
One first passage causes the inner chamber of the first exterior measuring block and the ft connection of the first exterior measuring block；
Second survey block include the second exterior measuring block with inner chamber and be arranged in the second exterior measuring block inner chamber second in survey block, second
Exterior measuring block includes that block is surveyed in the second outer foaming body, the second outer magnetic block and the second exterior measuring block tetrafluoro set, second to be included being sent out in second
Foam, block tetrafluoro set is surveyed in second in magnetic block and second, the second outer foaming body is provided with least one second channel, and this is at least
One second channel causes the inner chamber of the second exterior measuring block and the ft connection of the second exterior measuring block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374007.9A CN106017617B (en) | 2016-05-31 | 2016-05-31 | magnetic effect liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374007.9A CN106017617B (en) | 2016-05-31 | 2016-05-31 | magnetic effect liquid level meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106017617A CN106017617A (en) | 2016-10-12 |
| CN106017617B true CN106017617B (en) | 2017-04-26 |
Family
ID=57092768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610374007.9A Active CN106017617B (en) | 2016-05-31 | 2016-05-31 | magnetic effect liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106017617B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990961A (en) * | 2017-12-27 | 2018-05-04 | 西安安森智能仪器股份有限公司 | A kind of explosion-proof type magnetostriction liquidometer of measurable multiple liquid levels |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755540A (en) * | 1993-08-09 | 1995-03-03 | Tatsuno Co Ltd | Measuring instrument for liquid level in tank |
| RU2273838C1 (en) * | 2005-05-19 | 2006-04-10 | Закрытое акционерное общество "НТФ НОВИНТЕХ" | Density meter |
| CN201688893U (en) * | 2010-02-10 | 2010-12-29 | 王川 | Magnetostriction liquid level measuring instrument |
| CN201688892U (en) * | 2010-04-22 | 2010-12-29 | 北京航天金泰星测技术有限公司 | Digital magnetostrictive liquid level sensor |
| CN102519553B (en) * | 2012-01-06 | 2013-10-23 | 青岛澳科仪器有限责任公司 | Magnetostrictive liquid level meter |
| CN104422497A (en) * | 2013-08-19 | 2015-03-18 | 张德发 | Magnetic-induced telescoping sensor for measuring level of cleaning liquid of floating roof tank and mounting and operation method |
| CN104677432A (en) * | 2013-11-28 | 2015-06-03 | 上海立新液压有限公司 | Magnetostrictive displacement sensing flowmeter and flow measuring method |
| CN204649275U (en) * | 2015-04-10 | 2015-09-16 | 西吉电工（兰州）有限公司 | A kind of novel magnetostriction water level flowmeter |
| CN204831482U (en) * | 2015-08-26 | 2015-12-02 | 大庆市镁华仪仪表衡器有限公司 | Magnetic effect level gauge |
-
2016
- 2016-05-31 CN CN201610374007.9A patent/CN106017617B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106017617A (en) | 2016-10-12 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Kegui Inventor after: Han Xiao Inventor before: Hou Fengyun Inventor before: Zhang Lianming |
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Effective date of registration: 20161208 Address after: 163458 in Heilongjiang province in G District of Daqing City Ranghulu District Olin Business District Residence Internazionale business service center B- business services 9001 Applicant after: DAQING MEILONG MEASUREMENT AND CONTROL TECHNOLOGY CO., LTD. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Xibinlu 1-5 service No. 50 Applicant before: MAGNESIUM DAQING HUA INSTRUMENT WEIGHING LIMITED |
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Effective date of registration: 20190806 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Xibinlu 1-5 service No. 50 Patentee after: MAGNESIUM DAQING HUA INSTRUMENT WEIGHING LIMITED Address before: Business Service Center B-Business Service 9001, G District, Olin International Apartment Business District, Hulu District Patentee before: DQING MEILONG MEASUREMENT AND CONTROL TECHNOLOGY CO., LTD. |
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