CN110030437A - Buried pipeline - Google Patents

Buried pipeline Download PDF

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Publication number
CN110030437A
CN110030437A CN201910321207.1A CN201910321207A CN110030437A CN 110030437 A CN110030437 A CN 110030437A CN 201910321207 A CN201910321207 A CN 201910321207A CN 110030437 A CN110030437 A CN 110030437A
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CN
China
Prior art keywords
tube body
sealing ring
piping unit
ring
sealing
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
Application number
CN201910321207.1A
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Chinese (zh)
Other versions
CN110030437B (en
Inventor
张子江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Metallurgical Investigation & Design Research Co Ltd
Original Assignee
Ningbo Metallurgical Investigation & Design Research Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201910321207.1A priority Critical patent/CN110030437B/en
Publication of CN110030437A publication Critical patent/CN110030437A/en
Application granted granted Critical
Publication of CN110030437B publication Critical patent/CN110030437B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/01Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/065Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket, the sealing rings being placed previously on the male part
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/08Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • F16L9/125Rigid pipes of plastics with or without reinforcement electrically conducting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00Special arrangements for pipe couplings
    • F16L2201/60Identification or marking

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The present invention relates to pipe technology fields, specifically disclose a kind of buried pipeline, the piping unit being connected to each other including multistage, piping unit includes tube body (1), the tube wall of tube body (1) is embedded in the conductive wire (3) along tube body (1) length direction, the both ends of tube body (1) are respectively arranged with insertion end (12) and patch end (13), and it in insertion end (12) and patches and is provided with location structure between end (13), when the two segment pipe units docking worked in coordination, another piping unit of insertion end (12) insertion of one of piping unit patches end (13), and make conductive wire (3) the touching docking mutually of two neighboring piping unit by location structure, continuous conductive wire (3) are provided in buried PE pipeline, buried pipeline is easily visited It surveys.

Description

Buried pipeline
Technical field
The present invention relates to pipe technology fields, more specifically, being related to a kind of buried pipeline.
Background technique
Underground gas pipeline is the important component of urban infrastructure and the life that city is depended on for existence and development Line.With the development of science and technology, also variation is constantly occurring for the material of city gas pipeline, and the past largely uses metal tube Road is easy to embedded and repairs since combustion gas PE pipeline has many advantages, such as strong resistance tocrocking, light-weight, low cost, is not easy burn into, More and more it is used to replace metal pipe line at present.
The Detection Techniques of underground gas metallic conduit have tended to be mature, but the detection of the PE pipeline of combustion gas at present is still a skill Art problem, because PE pipeline is non-conductive also non-magnetic, common detecting metal pipeline equipment can not detect it, because dully Disaster caused by lower combustion gas PE pipeline location is innumerable.How quickly, buried combustion gas PE pipeline is accurately, easily detected, As urgent problem to be solved.
Summary of the invention
Detected PE pipeline is easy the object of the present invention is to provide a kind of.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of buried pipeline, including the piping unit that multistage is connected to each other, piping unit includes tube body, in the tube wall of tube body It is embedded with the conductive wire along tube length direction, the both ends of tube body are respectively arranged with insertion end and patch end, and are being inserted into It holds and patches and be provided with location structure between end, when the two segment pipe units docking worked in coordination, one of piping unit Insertion end be inserted into the end that patches of another piping unit, and make the conductive metal of two neighboring piping unit by location structure Silk touching positioning docking mutually.
Through the above scheme, by being arranged inside the tube body tube wall of piping unit along tube body direction conductive wire, and The conductive wire of each piping unit can touch mutually connection after docking, so that buried pipeline is when practical, Main body is still PE pipeline, and performance is stablized, and due to embedding continuous conductive wire, can easily be detected equipment spy It surveys.
Preferably, the tube wall of tube body is provided with the wire hole for being embedded in conductive wire, location structure includes setting It is in the positioning protrusion for patching end one end tube body end face in piping unit, and is arranged and is in one end pipe of insertion end in piping unit The locating recesses in body end face, positioning protrusion include that the conductive wire that tube body patches end one end tube body end face is exposed in end, positioning Recess includes the wire hole in tube body insertion end one end tube body end face, when the docking of mutual two piping units, one of them The conductive wire for patching end one end of piping unit is inserted into the wire hole of insertion end one end of another piping unit, and makes The conductive wire in conductive wire and insertion wire hole inside wire hole is touched.
Through the above scheme, by the setting of location structure, facilitate the conductive metal between the piping unit of each docking The docking of silk avoids the occurrence of the problem of can not staggeredly docking, and the conductive wire and wire hole having by tube body itself It realizes the function of location structure, has further simplified structure design.
Preferably, the outer tube surface of insertion end is provided with the snap ring of annular, and the direction of snap ring towards insertion end end is set It is equipped with inclined guide surface, the inner tubal wall for patching end is provided with the card slot with snap ring cooperation, when two piping units dock, inserts Enter end insertion to patch in end, and snap ring is caught in the relative motion that card slot limits two adjacent tube body axis directions.
Through the above scheme, it by the cooperation of snap ring and card slot, realizes insertion end and patches the axial direction between end Mutually lock together, it is simple to operate, naturally it is also possible to it is docked by the way of external screw thread and internal screw thread, it can phase but operate To trouble.
Preferably, insertion end and patch end between be provided with sealing structure, including insertion end outer tube wall is arranged in The first sealing ring and being arranged in of at least ring invagination patches an at least ring for end inner tubal wall and the first sealing ring cooperates the Two sealing rings, the number and ring width of the first sealing ring and the second sealing ring are all the same, and after insertion end insertion patches end First sealing ring and the second sealing ring correspond respectively.
Preferably, being provided with sealing ring in the first sealing ring and the second sealing ring, and the outer ring difference of sealing ring The outer tube wall and protrusion that protrude insertion end patch the inner tubal wall at end, and after insertion end insertion patches end, two mutually match Sealing ring squeeze fitting mutually.
Through the above scheme, so that patching end and when insertion end is worked in coordination, by be embedded in the first sealing ring sealing ring and The sealing ring for being embedded in the second sealing ring, which is realized, squeezes mutually fitting, improves the leakproofness between tube body and tube body.
Preferably, being provided with the sealing substance of expanded by heating in the first sealing ring, it is provided in the second sealing ring Heat-generating wires, and two conductive wires are equipped in the tube wall of tube body, the both ends of heat-generating wires respectively from it is different Conductive wire connection.
Preferably, sealing substance includes expansible graphite or foam.
Through the above scheme, it being powered by conductive wire, the heat-generating wires in the second sealing ring will generate heat, into And making the sealing mass expansion in the first sealing ring, sealing substance will be filled with entire first sealing ring and the second sealing Ring realizes the strong sealing effect between two tube bodies.
The present invention has significant technical effect: being provided in buried PE pipeline due to using above technical scheme Continuous conductive wire enables buried pipeline easily to be detected, while using the basis of conductive wire, second Setting heat-generating wires make the available expansion of expansive graphite sealing substance in the first sealing ring in sealing ring, will insert Enter end and patch and carry out potent sealing between end, and then the sealing performance met between the tube body of multistage setting is guaranteed.
Detailed description of the invention
Fig. 1 is piping unit docking schematic diagram in both ends of the invention;
Fig. 2 is the separated schematic diagram of both ends piping unit of the invention;
Fig. 3 and Fig. 4 is piping unit internal element perspective view of the explosion of the invention;
Fig. 5 is tube body half-section diagram of the invention.
In figure: 1, tube body;11, wire hole;12, insertion end;121, snap ring;122, the first sealing ring;13, end is patched; 131, the second sealing ring;132, card slot;2, substance is sealed;3, conductive wire;4, heat-generating wires.
Specific embodiment
Present invention is further described in detail with embodiment with reference to the accompanying drawing.
Embodiment 1
A kind of buried pipeline is illustrated referring to attached drawing 1-5 including the piping unit that multistage is connected to each other, for convenience at this Only with two segment pipe units in embodiment 1, and it is all made of straight tube, naturally it is also possible to dock to be formed using bend pipe, connection side Formula is consistent with the both ends of straight tube.
Piping unit includes tube body 1, and break-through is provided with wire hole 11 in the tube wall of tube body 1, and penetrates in wire hole 11 There is conductive wire 3.One end of tube body 1 is insertion end 12, and the other end is to patch end 13, and conductive wire therein 3 is close Wire hole 11 is stretched out in 1 end of tube body for patching section, does not expose wire hole 11 in 1 end of tube body close to insertion end 12, thus After docking, the insertion of insertion end 12 patches end 13, and the conductive wire 3 on one of tube body 1 is inserted on another tube body 1 Wire hole 11, when realization patches, the positioning of the docking angle between two tube bodies 1 guarantees the conductive metal between two tube bodies 1 Silk 3 can be realized the effect for being connected to each other touching connection.
Wherein, the outer tube wall of insertion end 12 is provided with snap ring 121, and snap ring 121 is towards the end direction of insertion end 12 With inclined guide surface, while it being provided with the card slot 132 cooperated with snap ring 121 in the inner tubal wall for patching end 13, is managed when two When being docked between body 1, another tube body 1 of the insertion of insertion end 12 of one of tube body 1 patches end 13, and snap ring 121 blocks Enter card slot 132, realizes docking.
In order to avoid being leaked at docking, in insertion end 12 and patches and be provided with sealing structure between end 13, sealing knot Structure includes the first sealing ring 122 matched in correspondence with each other and the second sealing ring 131, and the first sealing ring 122 is arranged in insertion end 12 Outer tube wall on, ring-shaped depression setting, the second sealing ring 131 is arranged on the inner tubal wall for patching section, ring-shaped depression setting, when inserting Enter end 12 and patch after end 13 is connected to each other, the first sealing ring 122 and the second sealing ring 131 form the cavity of a completion. It is provided with a circle on the first sealing ring 122 to be heated dilatable sealing substance 2, sealing substance 2 is expanded graphite, close second Heat-generating wires 4 are provided in seal ring 131, similar heating resistor, the both ends of heat-generating wires 4 respectively with penetrate in tube body 1 Two conductive wires 3 connect.To which after the docking of multiple piping units, two conductive wires 3 be powered, in every Heat-generating wires 4 in one piping unit will generate heat, and sealing 2 expanded by heating of substance will be filled with hostility sealing ring and the second sealing ring 131, realize potent sealing.
Embodiment 2
Difference from example 1 is that sealing structure, is arranged the first sealing ring in the first sealing ring 122 here, And first sealing ring after being packed into the first sealing ring 122, outer ring be slightly larger than insertion end 12 outer tube diameter;Second sealing ring 131 It is inside provided with the second sealing ring, and the second sealing ring, after being packed into the second sealing ring 131, inner ring is slightly smaller than interior caliber.To When patching end 13 and insertion end 12 is worked in coordination, the second sealing ring 131 of the first sealing ring and insertion of the first sealing ring 122 Second sealing ring, which is realized, squeezes mutually fitting, improves the leakproofness between tube body 1 and tube body 1.
Embodiment 3
Difference from example 1 is that two ends in tube body 1 are respectively arranged with the positioning protrusion being independently arranged And locating recesses, and the conductive wire 3 of each tube body 1 protrudes slightly above the setting of 1 both ends of tube body.When two tube bodies 1 are mutually opposite When connecing, guarantee that the positioning protrusion of a tube body 1 is inserted into the locating recesses of another tube body 1, to limit between two tube bodies 1 Setting angle, and after docking at this time, the conductive wire 3 between two 1 ends of tube body will touch mutually docking.Compared to Embodiment 1, this mode, the docking slightly inferior properties of conductive wire 3, the mode of preferred embodiment 1.

Claims (7)

1. a kind of buried pipeline, the piping unit being connected to each other including multistage, which is characterized in that piping unit includes tube body (1), The tube wall of tube body (1) is embedded in the conductive wire (3) along tube body (1) length direction, and the both ends of tube body (1) are respectively arranged with It insertion end (12) and patches end (13), and in insertion end (12) and patches and be provided with location structure between end (13), match when mutual When the two segment pipe units docking closed, another piping unit of insertion end (12) insertion of one of piping unit patches end (13), and by location structure make conductive wire (3) the touching positioning docking mutually of two neighboring piping unit.
2. buried pipeline according to claim 1, which is characterized in that the tube wall of tube body (1) is provided with for being embedded in conduction The wire hole (11) of wire (3), location structure include being arranged to be in piping unit to patch end (13) one end tube body (1) end face Positioning protrusion, and be arranged and in piping unit be in the locating recesses of insertion end (12) one end tube body (1) end face, positioning protrusion Expose the conductive wire (3) that tube body (1) patches end (13) one end tube body (1) end face including end, locating recesses include being in The wire hole (11) of tube body (1) insertion end (12) one end tube body (1) end face, when the docking of mutual two piping units, wherein one The conductive wire (3) for patching end (13) one end of a piping unit is inserted into insertion end (12) one end of another piping unit Wire hole (11), and make the conductive gold in wire hole (11) internal conductive wire (3) and insertion wire hole (11) Belong to silk (3) touching.
3. buried pipeline according to claim 1, which is characterized in that the outer tube surface of insertion end (12) is provided with the card of annular Ring (121), and the direction of snap ring (121) towards insertion end (12) end is provided with inclined guide surface, is patching the interior of end (13) Tube wall is provided with the card slot (132) with snap ring (121) cooperation, and when two piping units dock, insertion end (12) insertion is patched It holds in (13), and snap ring (121) is caught in the relative motion that card slot (132) limit two adjacent tube body (1) axis directions.
4. buried pipeline according to claim 1 or 3, which is characterized in that in insertion end (12) and patch between end (13) It is provided with sealing structure, sealing structure includes the first sealing ring that setting is invaginated in an at least ring of insertion end (12) outer tube wall (122) and setting is in at least ring for patching end (13) inner tubal wall and the second sealing ring of the first sealing ring (122) cooperation (131), the number and ring width of the first sealing ring (122) and the second sealing ring (131) are all the same, and when insertion end (12) are inserted into Patching end (13), the first sealing ring (122) and the second sealing ring (131) correspond respectively later.
5. buried pipeline according to claim 4, which is characterized in that in the first sealing ring (122) and the second sealing ring (131) it is provided with sealing ring in, and the outer ring of sealing ring protrudes the outer tube wall of insertion end (12) respectively and protrusion patches end (13) inner tubal wall, after insertion end (12) insertion patches end (13), two sealing rings mutually to match squeeze mutually fitting.
6. buried pipeline according to claim 4, which is characterized in that be provided in the first sealing ring (122) be heated it is swollen Swollen sealing substance (2) is provided with heat-generating wires (4) in the second sealing ring (131), and wears in the tube wall of tube body (1) There are two conductive wires (3), the both ends of heat-generating wires (4) are connected from different conductive wires (3) respectively.
7. buried pipeline according to claim 6, which is characterized in that sealing substance (2) includes expansible graphite or foam.
CN201910321207.1A 2019-04-19 2019-04-19 Buried pipeline Active CN110030437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910321207.1A CN110030437B (en) 2019-04-19 2019-04-19 Buried pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910321207.1A CN110030437B (en) 2019-04-19 2019-04-19 Buried pipeline

Publications (2)

Publication Number Publication Date
CN110030437A true CN110030437A (en) 2019-07-19
CN110030437B CN110030437B (en) 2021-03-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910321207.1A Active CN110030437B (en) 2019-04-19 2019-04-19 Buried pipeline

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114790875A (en) * 2022-04-23 2022-07-26 中国五冶集团有限公司 Spiral centrum crowded soil is pressed and is irritated stake machine drilling rod

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7226090B2 (en) * 2003-08-01 2007-06-05 Sunstone Corporation Rod and tubing joint of multiple orientations containing electrical wiring
CN201255281Y (en) * 2008-09-25 2009-06-10 肖更新 Double-positioning double-sealing ring
CN202469271U (en) * 2012-03-20 2012-10-03 辽宁远东新型管业发展有限公司 Built-in tracing line water supply pipe
CN103470889A (en) * 2013-09-17 2013-12-25 宁波市镇海声光密封件厂(普通合伙) Sealing ring
CN103939689A (en) * 2014-05-09 2014-07-23 王鹏 Thermal expansion type pipeline sealing ring
CN205136935U (en) * 2015-10-28 2016-04-06 重庆市一龙管道有限公司 Take tubular product of spike line
CN206191080U (en) * 2016-08-25 2017-05-24 重庆怡能钢管制造有限公司 A serial communication port,
CN107317125A (en) * 2010-07-16 2017-11-03 日长石技术有限公司 Electrical connection for drilling rod, sleeve pipe and oil pipe
CN107387922A (en) * 2017-08-17 2017-11-24 太仓永固精密制件有限公司 A kind of seal for pipe joints connector
CN208058163U (en) * 2018-03-10 2018-11-06 浙江巨通管业有限公司 A kind of regeneration concrete drainpipe
CN208331469U (en) * 2018-05-24 2019-01-04 北京房修一建筑工程有限公司 Unbonded prestressed concrete pipe

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7226090B2 (en) * 2003-08-01 2007-06-05 Sunstone Corporation Rod and tubing joint of multiple orientations containing electrical wiring
CN201255281Y (en) * 2008-09-25 2009-06-10 肖更新 Double-positioning double-sealing ring
CN107317125A (en) * 2010-07-16 2017-11-03 日长石技术有限公司 Electrical connection for drilling rod, sleeve pipe and oil pipe
CN202469271U (en) * 2012-03-20 2012-10-03 辽宁远东新型管业发展有限公司 Built-in tracing line water supply pipe
CN103470889A (en) * 2013-09-17 2013-12-25 宁波市镇海声光密封件厂(普通合伙) Sealing ring
CN103939689A (en) * 2014-05-09 2014-07-23 王鹏 Thermal expansion type pipeline sealing ring
CN205136935U (en) * 2015-10-28 2016-04-06 重庆市一龙管道有限公司 Take tubular product of spike line
CN206191080U (en) * 2016-08-25 2017-05-24 重庆怡能钢管制造有限公司 A serial communication port,
CN107387922A (en) * 2017-08-17 2017-11-24 太仓永固精密制件有限公司 A kind of seal for pipe joints connector
CN208058163U (en) * 2018-03-10 2018-11-06 浙江巨通管业有限公司 A kind of regeneration concrete drainpipe
CN208331469U (en) * 2018-05-24 2019-01-04 北京房修一建筑工程有限公司 Unbonded prestressed concrete pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114790875A (en) * 2022-04-23 2022-07-26 中国五冶集团有限公司 Spiral centrum crowded soil is pressed and is irritated stake machine drilling rod

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