CN101788409A - Telescopic multifunctional soot/gas sampling tube with adjustable length - Google Patents
Telescopic multifunctional soot/gas sampling tube with adjustable length Download PDFInfo
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- CN101788409A CN101788409A CN201010107433A CN201010107433A CN101788409A CN 101788409 A CN101788409 A CN 101788409A CN 201010107433 A CN201010107433 A CN 201010107433A CN 201010107433 A CN201010107433 A CN 201010107433A CN 101788409 A CN101788409 A CN 101788409A
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Abstract
The invention provides a telescopic multifunctional soot/gas sampling tube with an adjustable length, which can solve problems caused by unadjustable length during carrying, transporting and storing of the sampling tube. The technical scheme is that the sampling tube comprises a protection tube and a lengthening protection tube, wherein the lengthening protection tube is sleeved on the protection tube. The sampling tube is characterized by also comprising a locking head, a locking screw cap and a locking sleeve, wherein the locking sleeve and the locking head are sleeved on the body of the protection tube; the locking sleeve is sleeved in the cavity of the locking screw cap; the locking head is fixed with the front end of the lengthening protection tube; and the locking screw cap is connected with the locking head through threads. After the telescopic multifunctional soot/gas sampling tube with the adjustable length is used, a hose can be conveniently taken down, and after connecting and locking parts of the sampling tube are loosened, the sampling tube returns to a smaller size for carrying, transporting and storing, thereby solving the problem of inconvenience caused by the length problem in the carrying, transporting and storing processes.
Description
Technical field
The present invention relates to environment supervision instrument, specifically, relate to a kind of telescopic smoke/gas multifunction sampling pipe of adjustable in length.
Background technology
At present, utilize in the process that smoke/gas multifunction sampling pipe samples to stationary pollution source, the general smoke/gas multifunction sampling pipe that uses, owing to wholely be made up of a pipe, length is fixed, and is non-telescoping.The general length of smoke/gas multifunction sampling pipe of this regular length all will be more than 1.5 meters, no matter are to use, carrying and transport, and unusual inconvenience all when depositing, and brought many problems for the enforcement of concrete sampling process.
Summary of the invention
The invention provides a kind of telescopic smoke/gas multifunction sampling pipe of adjustable in length, it can solve some problems that stopple coupon brings because of length is unadjustable when carrying, transporting and depositing.
In order to reach the purpose that addresses the above problem; technical scheme of the present invention is; a kind of telescopic smoke/gas multifunction sampling pipe of adjustable in length; comprise protection tube, lengthening pillar; described lengthening protective pipe sleeve is on described protection tube; it is characterized in that: also be provided with locking head, check nut and lock sleeve; described lock sleeve and described locking head are sleeved on the body of described protection tube; described lock sleeve is contained in the described check nut chamber; described locking head and described lengthening pillar front end are fixed, and described check nut and described locking head are by being threaded.
In technical scheme of the present invention, also have following additional technical feature:
Described lock sleeve to small part is taper, has at least one groove on the described locking body.
Described locking head and described lock sleeve are integral type, have necking part between described locking head and the described lock sleeve, and described groove bottom part is in described necking part.
Described locking head and described lock sleeve are split type, and the taper sheath of described lock sleeve partly is inserted in the conical surface chamber of described locking head.
The angle of taper scope in the conical surface chamber of described locking head is 4 °-20 °, and the angle of the tapering part of described lock sleeve is greater than the angle of taper of described locking head, greater than the difference range of angle at 1 °-5 °.
Be fixed with postive stop baffle in described protection tube rear end.
Be fixed with leading portion takes over and the leading portion bonnet in described protection tube rear end; and in lengthening pillar chamber; described leading portion is taken over and the leading portion bonnet is fixed; a circle boss that contracts in the rear end of described locking head has; described boss is provided with at least two projectioies, and the circumference that described leading portion is taken over is provided with and the suitable groove of described projection.
Be fixed with protective casing in described lengthening pillar rear end; described protective casing is fixed by top screw and described lengthening pillar; pitot tube in described stopple coupon rear end connects on mouth and the air guide pipe nipple and is fixed with the platinum resistance bonnet; when described lengthening pillar foreshortened to minimum position, described protective casing was blocked spacing by described platinum resistance bonnet.
Described lengthening pillar back segment comprises tail part protection cover and folding handle, and described tail part protection cover is connected with described lengthening pillar by screw thread.
Described lengthening pillar back segment is provided with protective sleeve and folding handle, and described protective sleeve and described protective casing are by being threaded.
The present invention has the following advantages and good effect:
1. telescopic smoke/gas multifunction sampling pipe entire length can be carried out free adjustment in specialized range, be applicable to many sampling occasions.
2. telescopic smoke/gas multifunction sampling pipe flow rate measuring device can be chosen S type pitot tube and class S type pitot tube, guarantees the accuracy of measuring accuracy.
3. the flexible pipe of hose transition branch has adopted the material of corrosion-and high-temp-resistant, is fit to the demand of multiple sampling occasion.
4. telescopic smoke/gas multifunction sampling pipe is finished using and can conveniently be transferred to shortest length, is easy to carry, and transports and deposits.
Lock sleeve adopt taper open flume type structure and with check nut be integral type, can lock effectively and unclamp, reliable lock is unclamped easy and convenient.
6. the circle boss that contracts in having of the rear end of locking head, boss is provided with projection, and the circumference that leading portion is taken over is provided with and the suitable groove of projection, and this structure can guarantee stopple coupon when deployed condition, and the front and back section is located mutually, thereby guarantees stable operation.
7. the protection tube rear end is fixed with postive stop baffle, perhaps connects fixedly platinum resistance bonnet of mouth and air guide pipe nipple rear end at pitot tube, can play position-limiting action.
8. the angle of the tapering part of lock sleeve is greater than the angle of taper of locking head, and at 1 °-5 °, interior big outer little angle design helps tightening up greater than the difference range of angle.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described in detail.
Fig. 1 is the main apparent direction cut-open view of the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
Fig. 2 be the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention remove folding handgrip look up the direction cut-open view;
In Fig. 1 and Fig. 2, the left side among the figure is set at the stopple coupon front end, and the right side is set at the stopple coupon rear end.
1, winding pipe assembly; 2, class S type pitot tube; 3, filter cylinder thimble assembly; 4, protecgulum; 5, protection tube; 6, set nut; 7, lock sleeve; 8, folding handgrip; 9, locking head; 10, lengthening pillar; 11, pitot tube connects mouth; 12, leading portion is taken over; 13, leading portion bonnet; 14, protective casing; 15, platinum resistance bonnet; 16, protective sleeve; 17, platinum resistance; 18, platinum resistance stator; 19, platinum resistance protective casing; 20, penetration pipe; 21, air guide pipe nipple.
Fig. 3-the 1st, the lock sleeve front view among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
Fig. 3-the 2nd, the lock sleeve side view among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
7, lock sleeve; 7-1, taper surface; 7-2, groove.
Fig. 4-the 1st, the locking head cut-open view among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
Fig. 4-the 2nd, the locking head side view among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
9, locking head; 9-1, the conical surface; 9-2, boss; 9-3, semi-circular projection; 9-4, external thread; α, angle of taper;
Fig. 5-the 1st, the leading portion among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention is taken over front view;
Fig. 5-the 2nd, the leading portion among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention is taken over side sectional view;
12, leading portion is taken over; 12-1, groove;
Fig. 6-the 1st, the leading portion bonnet cut-open view among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
Fig. 6-the 2nd, the leading portion bonnet vertical view among the telescopic smoke/gas multifunction sampling pipe embodiment 1 of adjustable in length of the present invention;
13, leading portion bonnet;
Fig. 7 be adjustable in length of the present invention telescopic smoke/gas multifunction sampling pipe embodiment 2 stretch out maximum the time master apparent direction cut-open view;
Fig. 8 is the shortening hour main apparent direction cut-open view of the telescopic smoke/gas multifunction sampling pipe embodiment 2 of adjustable in length of the present invention.
Fig. 9-the 1st, locking head and lock sleeve master apparent direction cut-open view among the telescopic smoke/gas multifunction sampling pipe embodiment 2 of adjustable in length of the present invention;
Fig. 9-the 2nd, locking head and lock sleeve side view among the telescopic smoke/gas multifunction sampling pipe embodiment 2 of adjustable in length of the present invention;
Fig. 9-the 3rd, locking head and lock sleeve stereographic map among the telescopic smoke/gas multifunction sampling pipe embodiment 2 of adjustable in length of the present invention;
7, lock sleeve; 7-1, taper surface; 7-2, groove; 9, locking head; 9-1, external thread; 9-2, necking down.
1, winding pipe assembly; 2, S type pitot tube; 3, filter cylinder thimble assembly; 4, protecgulum; 5, protection tube; 6, set nut; 7, lock sleeve; 8, folding handgrip; 9, locking head; 10, lengthening pillar; 11, pitot tube is taken over; 21, wireway hose adapter; 23, postive stop baffle; 24, tail part protection cover.
Embodiment
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of telescopic smoke/gas stopple coupon of adjustable in length comprises protection tube 5 and lengthening pillar 10, and lengthening pillar 10 is sleeved on the protection tube 5, makes lengthening pillar 10 to stretch on protection tube 5.
Locking device comprises lock sleeve 7, locking head 9 and check nut 6.Lock sleeve 7, locking head 9 and check nut 6 are sleeved on the body of protection tube 5, and lock sleeve 7 is contained in check nut 6 chambeies, and locking head 9 is fixing with the welding of lengthening pillar 10 front ends, and check nut 6 and locking head 9 are by being threaded.
Referring to Fig. 3-1 and Fig. 3-2, the part of lock sleeve 7 is taper 7-1, and angle of taper is 16 ° of (not shown)s.Have a groove 7-2 on lock sleeve 7 bodies, the width of groove 7-2 is 4mm.When locking state, lock sleeve 7 can shrink locking by the groove 7-2 on the taper 7-1 like this.
Referring to Fig. 4-1 and Fig. 4-2, the front end of locking head 9 has in the 9-1 of conical surface chamber, and the angle of taper α scope of conical surface chamber 9-1 is 4 °-20 °, and in the present embodiment, the α angle is 14 °, and the single face cone angle is that α/2 are 7 °.Conical surface chamber 9-1 matches with the taper 7-1 of lock sleeve 7.The angle of taper of lock sleeve 7 is 16 °, and greater than 14 ° of the angle of taper α of conical surface chamber 9-1, both differences are 2 °, and such version helps locking.A circle boss 9-2 who contracts in the rear end of locking head 9 has, boss 9-2 is provided with two semi-circular projection 9-3.The highly about 2mm of boss 9-2, semi-circular projection 9-3 highly are 6mm, and width is 5mm.Have external thread 9-4 on locking head 9 bodies of conical surface chamber 9-1 outside, external thread 9-4 matches with check nut 6.
Referring to Fig. 5-1, Fig. 5-2, Fig. 6-1 and 6-2, leading portion is taken over 12 circumference and is provided with the two groove 12-1s suitable with described protruding 9-3, and the groove 12-1 degree of depth is 8mm, and width is 6mm.
Leading portion bonnet 13 has four holes, and wherein, two is to connect pitot tube to connect 11, one in mouth be to connect penetration pipe 20, and another is to connect air guide pipe nipple 21.Leading portion adapter 12 and leading portion bonnet 13 are integrally welded, are fixed on protection tube 5 rear ends, and in lengthening pillar 10 chambeies, referring to Fig. 1.
Referring to Fig. 1 and Fig. 2; be fixed with protective casing 14 in described lengthening pillar 10 rear ends; have two top screw holes on the described protective casing 14; fixing by top screw with lengthening pillar 10; the pitot tube that platinum resistance bonnet 15 is weldingly fixed on the stopple coupon rear end connects on mouth and the air guide pipe nipple; when lengthening pillar 10 foreshortens to hour, it is spacing that protective casing 14 is blocked by described platinum resistance bonnet 15, makes that lengthening pillar 10 can not be to moving to left.
Hence one can see that; the integral position of platinum resistance bonnet 15 is fixed; protective casing 14 is enclosed within the end of lengthening pillar 10; and two top screws of screwing on are fixed; like this since the cylindrical of platinum resistance bonnet 15 greater than the internal diameter in the hole on the right side of protective casing 14; when pillar 10 integral body that will extend are pushed ahead, be stuck on the circle of platinum resistance bonnet 15 with regard to the hole that has guaranteed protective casing 14, thereby played spacing effect.
Lengthening pillar 10 back segments are provided with protective sleeve 16 and folding handle 8, and protective sleeve 16 and described protective casing 14 are by being threaded.
When stopple coupon need be organized work, check nut 6 is unclamped, lengthening pillar 10 is drawn back, when locking head 9 falls back on when taking over 12 positions with leading portion, the semi-circular projection 9-3 of locking head 9 is inserted in leading portion and takes in 12 the groove 12-1, and both locate mutually.At this moment, screw check nut 6 again, by locking head 9 lock sleeve 7 is clamped, lock sleeve 7 pillar 10 lockings that then will extends tighten up, thereby the realization locking positioning, can carry out sampling work, and at this moment, stopple coupon always is about about 1.5m.
When stopple coupon need shrink, check nut 6 is unclamped, locking head 9 and lock sleeve 7 are together unclamped, to the Zola, pulling lengthening pillar 10 is moved to the left simultaneously, and is limited when the hole of moving protective casing 14 to is stuck in platinum resistance bonnet 15 with locking head 9.Because lengthening pillar 10 is overlapped with protection tube 5, thereby is shortened about 500mm, at this moment, stopple coupon always is about about 1m, thereby stopple coupon has been realized the purpose of adjustable in length.
Embodiment 2
Referring to Fig. 9-1, Fig. 9-2 and Fig. 9-3, locking head 9 and lock sleeve 7 are integral type, and lock sleeve 7 has taper 7-1, has necking part 9-2 between locking head 9 and the lock sleeve 7, has 8 groove 7-2 on the lock sleeve 7 altogether, and groove 7-2 bottom is positioned at necking part 9-2.Have external thread 9-1 on the locking head 9, can match with check nut 6.
Referring to Fig. 7 and Fig. 8, locking head 9 and lock sleeve 7 are enclosed within on the protection tube 5, and protection tube 5 is a rectangular tube.Locking head 9 is fixing with the welding of lengthening pillar 10 front ends, and check nut 6 and locking head 9 are by being threaded.Check nut 6 also is taper with lock sleeve 7 mating surfaces.
Protection tube 5 rear ends are fixed with postive stop baffle 23.Lengthening pillar 10 back segments comprise tail part protection cover 24 and folding handle 8, and tail part protection cover 24 is connected with pillar 10 by screw thread.
Unclamp tail part protection cover 24 during use; load onto pitot tube hose adapter 11 and wireway hose adapter 21 (needing to guarantee sufficient length), unclamp check nut 6, lengthening pillar 10 draws to the right; after being adjusted to suitable length; tighten check nut 6, compressing lock sleeve 7 makes its contraction, and this extension position is firmly fixed; open folding handle 8; can begin to sample according to a conventional method, referring to Fig. 7, the about 1.5m of maximum length this moment.During this position, locking head 9 limited baffle plates 23 block.
Finish using; unclamp check nut 6; thereby lock sleeve 7 is discharged; retract lengthening pillar 10 left to the shortest position, tighten check nut 6 again, folding handle 8 closes; take off pitot tube hose adapter 11 and wireway hose adapter 21 is deposited in accordance with regulations; referring to Fig. 8, because pillar 10 is overlapped with protection tube 5, can contract to 1m this moment.
Remove the foregoing description, also can take the telescopic adjustment of other connection locking mode realization stopple coupon.
After the telescopic smoke/gas stopple coupon of adjustable in length of the present invention is finished using, can easily flexible pipe be taken off, stopple coupon be connected lock portion unclamp the back and recover reduced size and carry, transport and deposit.Solved and carried, transported and deposited the inconvenience of bringing because of length issue in the process.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. the telescopic smoke/gas multifunction sampling pipe of an adjustable in length; comprise protection tube, lengthening pillar; described lengthening protective pipe sleeve is on described protection tube; it is characterized in that: also be provided with locking head, check nut and lock sleeve; described lock sleeve, described locking head and check nut are sleeved on the body of described protection tube; described lock sleeve is contained in the described check nut chamber, and described locking head and described lengthening pillar front end are fixed, and described check nut and described locking head are by being threaded.
2. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 1, it is characterized in that: described lock sleeve to small part is taper, has at least one groove on the described locking body.
3. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 2, it is characterized in that: described locking head and lock sleeve are integral type, have necking part between it, described groove bottom part is in described necking part.
4. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 2, it is characterized in that: described locking head and described lock sleeve are split type, the tapering part of described lock sleeve is inserted in the conical surface chamber of described locking head.
5. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 4, it is characterized in that: the angle of taper scope in the conical surface chamber of described locking head is 4 °-20 °, the angle of the tapering part of described lock sleeve is greater than the angle of taper of described locking head, greater than the difference range of angle at 1 °-5 °.
6. according to the telescopic smoke/gas multifunction sampling pipe of claim 1 or 2 or 3 described a kind of adjustable in length, it is characterized in that: be fixed with postive stop baffle in described protection tube rear end.
7. according to the telescopic smoke/gas multifunction sampling pipe of claim 1 or 2 or 4 or 5 described a kind of adjustable in length; it is characterized in that: be fixed with leading portion in described protection tube rear end and take over and the leading portion bonnet; and in lengthening pillar chamber; described leading portion is taken over and the leading portion bonnet is fixed; a circle boss that contracts in the rear end of described locking head has; described boss is provided with at least two projectioies, and the circumference that described leading portion is taken over is provided with and the suitable groove of described projection.
8. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 7; it is characterized in that: be fixed with protective casing in described lengthening pillar rear end; described protective casing is fixed by top screw and described lengthening pillar; pitot tube in described stopple coupon rear end connects on mouth and the air guide pipe nipple and is fixed with the platinum resistance bonnet; when described lengthening pillar foreshortened to minimum position, described protective casing was blocked spacing by described platinum resistance bonnet.
9. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 6 is characterized in that: described lengthening pillar back segment comprises tail part protection cover and folding handle, and described tail part protection cover is connected with described lengthening pillar by screw thread.
10. the telescopic smoke/gas multifunction sampling pipe of a kind of adjustable in length according to claim 8, it is characterized in that: described lengthening pillar back segment is provided with protective sleeve and folding handle, and described protective sleeve and described protective casing are by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101074339A CN101788409B (en) | 2010-02-03 | 2010-02-03 | Telescopic multifunctional soot/gas sampling tube with adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101074339A CN101788409B (en) | 2010-02-03 | 2010-02-03 | Telescopic multifunctional soot/gas sampling tube with adjustable length |
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| Publication Number | Publication Date |
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| CN101788409A true CN101788409A (en) | 2010-07-28 |
| CN101788409B CN101788409B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101074339A Active CN101788409B (en) | 2010-02-03 | 2010-02-03 | Telescopic multifunctional soot/gas sampling tube with adjustable length |
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| CN (1) | CN101788409B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912227A (en) * | 2014-02-18 | 2014-07-09 | 曹广宇 | Drilling powder receiver |
| CN104913954A (en) * | 2015-06-25 | 2015-09-16 | 中国计量学院 | Combined flue gas dedusting and sampling device |
| CN108226569A (en) * | 2017-12-28 | 2018-06-29 | 宝鸡特种飞行器工程研究院有限公司 | Concertina type pitot |
| CN108507840A (en) * | 2018-05-31 | 2018-09-07 | 重庆交通大学 | A kind of unmanned plane air biologic grain harvester and its method |
| CN108731984A (en) * | 2018-05-18 | 2018-11-02 | 重庆工商大学 | A kind of being disconnected formula environmental monitoring sampling opium pipe |
| CN108982906A (en) * | 2017-06-02 | 2018-12-11 | 北京京东尚科信息技术有限公司 | Pitot-static tube |
| CN110841365A (en) * | 2019-12-18 | 2020-02-28 | 天津市远大工贸有限公司 | Protection device of filter element |
| CN111505335A (en) * | 2020-04-26 | 2020-08-07 | 上海应用技术大学 | Telescopic S-shaped pitot tube |
| CN114527047A (en) * | 2022-04-24 | 2022-05-24 | 南通诺澳电子有限公司 | High altitude particle pollutant multi-period detection device |
| CN115400904A (en) * | 2022-09-13 | 2022-11-29 | 重庆市渝江机械设备有限公司 | SOx/NOx control spray gun with extending structure |
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2010
- 2010-02-03 CN CN2010101074339A patent/CN101788409B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912227B (en) * | 2014-02-18 | 2017-06-23 | 曹广宇 | Drilling connects powder device |
| CN103912227A (en) * | 2014-02-18 | 2014-07-09 | 曹广宇 | Drilling powder receiver |
| CN104913954A (en) * | 2015-06-25 | 2015-09-16 | 中国计量学院 | Combined flue gas dedusting and sampling device |
| CN108982906A (en) * | 2017-06-02 | 2018-12-11 | 北京京东尚科信息技术有限公司 | Pitot-static tube |
| CN108982906B (en) * | 2017-06-02 | 2024-01-12 | 北京京东尚科信息技术有限公司 | Wind speed pipe |
| CN108226569A (en) * | 2017-12-28 | 2018-06-29 | 宝鸡特种飞行器工程研究院有限公司 | Concertina type pitot |
| CN108731984A (en) * | 2018-05-18 | 2018-11-02 | 重庆工商大学 | A kind of being disconnected formula environmental monitoring sampling opium pipe |
| CN108731984B (en) * | 2018-05-18 | 2021-06-18 | 重庆工商大学 | Detachable environmental monitoring sampling smoke gun |
| CN108507840A (en) * | 2018-05-31 | 2018-09-07 | 重庆交通大学 | A kind of unmanned plane air biologic grain harvester and its method |
| CN110841365A (en) * | 2019-12-18 | 2020-02-28 | 天津市远大工贸有限公司 | Protection device of filter element |
| CN111505335A (en) * | 2020-04-26 | 2020-08-07 | 上海应用技术大学 | Telescopic S-shaped pitot tube |
| CN114527047A (en) * | 2022-04-24 | 2022-05-24 | 南通诺澳电子有限公司 | High altitude particle pollutant multi-period detection device |
| CN115400904A (en) * | 2022-09-13 | 2022-11-29 | 重庆市渝江机械设备有限公司 | SOx/NOx control spray gun with extending structure |
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|---|---|
| CN101788409B (en) | 2012-01-11 |
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Address after: High tech Zone of Shandong Province, Qingdao City, 266109 East Road No. 379 Patentee after: Qingdao Laoying Haina Photoelectric Environmental Protection Group Co., Ltd. Address before: 266100 entrepreneurship center of hi tech Industrial Development Zone, Shandong, Qingdao 324-26 Patentee before: Qingdao Haina Guangdian Environmental Protection Co., Ltd. |
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