CN107757657A - A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system - Google Patents

A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system Download PDF

Info

Publication number
CN107757657A
CN107757657A CN201711034802.4A CN201711034802A CN107757657A CN 107757657 A CN107757657 A CN 107757657A CN 201711034802 A CN201711034802 A CN 201711034802A CN 107757657 A CN107757657 A CN 107757657A
Authority
CN
China
Prior art keywords
sections
information
section
train
zone
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.)
Pending
Application number
CN201711034802.4A
Other languages
Chinese (zh)
Inventor
杨吉钊
付少良
袁波
冯常明
沈琦
张勇雄
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.)
Xinjiutong Technology (Changzhou) Co., Ltd.
Original Assignee
Chengdu Jiuyi Intelligent Polytron Technologies Inc
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
Application filed by Chengdu Jiuyi Intelligent Polytron Technologies Inc filed Critical Chengdu Jiuyi Intelligent Polytron Technologies Inc
Priority to CN201711034802.4A priority Critical patent/CN107757657A/en
Publication of CN107757657A publication Critical patent/CN107757657A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning or like safety means along the route or between vehicles or trains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/04Automatic systems, e.g. controlled by train; Change-over to manual control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20Trackside control of safe travel of vehicle or train, e.g. braking curve calculation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

Information integral track traffic method of controlling security and its system, according to train operation route and speed, running track is divided into the certain multiple sections of fundamental length by empty overhead traveling crane the invention discloses a kind of empty overhead traveling crane;Infrastructure, energy facilities, hardware device, antenna equipment, zone system are set in the certain position of each section, onboard system is set on the train run in running track, the zone system matches with the onboard system.The adjacent section of the present invention make it that the train into the section pulls open spacing, prevents rear-end collision because of the gap of speed.

Description

A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system
Technical field
The present invention relates to track traffic security technology area, more particularly to a kind of information integral track traffic of empty overhead traveling crane ground Method of controlling security and its system.
Background technology
Empty overhead traveling crane information integral track traffic safety with control key technology overall goal:Information towards empty overhead traveling crane The quiet dynamic air-staying platform technology of integration;The track dedicated network technology of information integral based on empty overhead traveling crane;Track traffic System status information obtains in real time and monitoring technology;Rail Transit System state information fusion and treatment technology;Based on private network Vehicle mobile interchange technology.
The method of existing track traffic security control, it is by for the controlling of signal lamp, wired or wireless controlled mostly System, alarm bell signal control to realize.By manual control signal, make implication of the driver according to signal representation, i.e., it is common Red light stops, the specified signal such as green light row, to determine the manipulation for track vehicle in next step, such safety control system Dependent on manual control and the reliability of equipment, it is impossible to effective to avoid due to signal operation person, track vehicle driving The traffic accident that the artificial error of member or the failure of equipment are triggered.In order to effectively effectively ensure the safety of track traffic, need Prior art is improved, for high-speed rail transportation, with greater need for the track traffic with high reliability Control method and system, the potential safety hazard brought due to human error and equipment failure is eliminated, to avoid the generation of major accident.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention One purpose is with proposing a kind of empty overhead traveling crane information integral track traffic method of controlling security and its system, adjacent section Because the gap of speed make it that the train into the section pulls open spacing, prevents rear-end collision.
A kind of empty overhead traveling crane according to embodiments of the present invention ground information integral track traffic method of controlling security, according to train Running route and speed, by empty overhead traveling crane running track be divided into the certain multiple sections of fundamental length;In each area The certain position of section sets infrastructure, energy facilities, hardware device, antenna equipment, zone system, is run in running track Train on onboard system is set, the zone system matches with the onboard system;When locomotive operation passes through the institute of n sections When stating zone system, the onboard system is engaged with the zone system of the n sections and triggers the zone system as pre- warning System segment, the system segment for running the adjacent n-1 sections having already passed through is caution system section, makes to drive into the adjacent n-1 areas Section slows down in rear train;When train progresses through the zone system of n+1 sections, the onboard system with it is described It is caution system section that the zone system of n+1 sections, which is engaged and triggers the zone system to n segment marks, can make to move ahead and drive into this Adjacent n sections slow down speed automatically in rear train because of information warning, while release the previous secondary adjacent n-1 having already passed through The caution system section of section is normal system section, makes the train positioned at n-1 sections because of the normal operation without information warning prompting;With This progressive mode is shown and warned for the adjacent sections progress information early warning that train has already passed through, while releases train and have already passed through Secondary adjacent area section system warning, by way of subregion segment information warns, control running track on train begin in operation Safe distance is kept with front truck eventually, prevents locomotive and knocks into the back;
Infrastructure is Space, Place physical entity, to provide basic physical environment guarantee;Energy facilities be and the train energy Related facilities and equipment, there is provided basic power source guarantee;Hardware device be generic server, router, interchanger, disk array, The hardware facility equipment such as refrigeration plant;Antenna equipment is to realize the wireless interconnected required antenna equipment in the world, meets that the world interconnects Radiolink demand.
In some embodiments of the invention, the zone system is provided with track triggering system, and the onboard system is set Vehicle-mounted triggering system is equipped with, the track triggering system matches with the vehicle-mounted triggering system, and its institute of n sections is driven into train State vehicle-mounted triggering system and the n sections track triggering system it is corresponding when, trigger the n sections as pre- warning system segment, The system of n-1 sections is changed into deceleration system state by the normal system state given tacit consent to, while make the zone system of n-2 sections Revert to normal condition.
In some embodiments of the invention, the zone system is arranged on the original position or leading portion of each section Position or middle section position, the zone system is interior to be provided with information control center, and described information control centre is provided with information control Device, the track triggering system are provided with information trigger switch C;The vehicle-mounted triggering system is provided with information trigger switch C’;The dynamic of the information trigger switch C of the system and information trigger switch C ' of the vehicle-mounted triggering system is triggered by the track Work manipulates to described information control device.
In some embodiments of the invention, the information trigger switch C of the track triggering system and the onboard system Information trigger switch C ' be to be connected or disconnected using contactless or touch switch, including the use of optoelectronic switch, Infrared switch, electromagnetic switch are connected or disconnected.
A kind of empty overhead traveling crane information integral track traffic safety control system, system is by being arranged on train body Onboard system and the zone system composition being arranged on running track section, the onboard system match with the zone system The information of control zone warns system segment, caution system section and normal system section to be pre-.
Beneficial effect in the present invention:1st, method and system of the invention is by early warning and warning way, control zone The speed of train;So that the train on the adjacent section that train operation has already passed through slows down speed, so as to complete adjacent Section make it that the train into the section pulls open spacing, prevents rear-end collision because of the gap of speed;2nd, the letter of zone system The default conditions for ceasing control system are normal condition, i.e. normally travel speed state, after information trigger switch group is triggered, behaviour Management information system work is controlled, controls the speed of train, therefore, management information system of the invention is all the time for uncharging work Make state, sparking will not be produced, ensuring that the system of the present invention has high reliability.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Shown in the example of the embodiment, wherein same or similar label represents same or similar from beginning to end Element or the element with same or like function.Embodiment below by description is exemplary, it is intended to for explaining this Invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " for shown orientation or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
A kind of empty overhead traveling crane ground information integral track traffic method of controlling security, will according to train operation route and speed Empty overhead traveling crane running track be divided into the certain multiple sections of fundamental length;In the certain position of each section, base is set Infrastructure, energy facilities, hardware device, antenna equipment, zone system, vehicle-mounted system is set on the train run in running track System, the zone system match with the onboard system;It is described when locomotive operation passes through the zone system of n sections Onboard system is engaged with the zone system of the n sections and triggers the zone system as pre- warning system segment, and operation has passed through The system segment for the adjacent n-1 sections crossed is caution system section, and make to drive into the adjacent n-1 sections slows down speed in rear train Degree;When train progresses through the zone system of n+1 sections, the zone system of the onboard system and the n+1 sections It is caution system section to be engaged and trigger the zone system to n segment marks, can make move ahead drive into the adjacent n sections rear Train slows down speed because of information warning automatically, while releases the caution system section of the previous secondary adjacent n-1 sections having already passed through For normal system section, make the train positioned at n-1 sections because of the normal operation without information warning prompting;For row in a manner of this is progressive The adjacent sections that car has already passed through carry out information early warning and show and warn, while the system for releasing the secondary adjacent area section that train has already passed through Warning, by way of subregion segment information warns, the train in running track is controlled to keep safety with front truck all the time in operation Distance, prevent locomotive and knock into the back;
Infrastructure is Space, Place physical entity, to provide basic physical environment guarantee;Energy facilities be and the train energy Related facilities and equipment, there is provided basic power source guarantee;Hardware device be generic server, router, interchanger, disk array, The hardware facility equipment such as refrigeration plant;Antenna equipment is to realize the wireless interconnected required antenna equipment in the world, meets that the world interconnects Radiolink demand.Network operating system distributed deployment is realized in the server in terrestrial information, controller relevant device Logical central control, the real-time infrastructure for obtaining terrestrial information port, energy facilities, hardware device, antenna facility component Status information, realize calculating, storage, the virtualization of network, antenna resources to ground cyber port, form virtualization pool; By NMS, OSS, network safety system, the integrated management to ground cyber port and unified tune are realized Degree.
In some embodiments of the invention, the zone system is provided with track triggering system, and the onboard system is set Vehicle-mounted triggering system is equipped with, the track triggering system matches with the vehicle-mounted triggering system, and its institute of n sections is driven into train State vehicle-mounted triggering system and the n sections track triggering system it is corresponding when, trigger the n sections as pre- warning system segment, The system of n-1 sections is changed into deceleration system state by the normal system state given tacit consent to, while make the zone system of n-2 sections Revert to normal condition.
In some embodiments of the invention, the zone system is arranged on the original position or leading portion of each section Position or middle section position, the zone system is interior to be provided with information control center, and described information control centre is provided with information control Device, the track triggering system are provided with information trigger switch C;The vehicle-mounted triggering system is provided with information trigger switch C’;The dynamic of the information trigger switch C of the system and information trigger switch C ' of the vehicle-mounted triggering system is triggered by the track Work manipulates to described information control device.
In some embodiments of the invention, the information trigger switch C of the track triggering system and the onboard system Information trigger switch C ' be to be connected or disconnected using contactless or touch switch, including the use of optoelectronic switch, Infrared switch, electromagnetic switch are connected or disconnected.
A kind of empty overhead traveling crane information integral track traffic safety control system, system is by being arranged on train body Onboard system and the zone system composition being arranged on running track section, the onboard system match with the zone system The information of control zone warns system segment, caution system section and normal system section to be pre-.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any One or more embodiments or example in combine in an appropriate manner.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (5)

  1. A kind of 1. empty overhead traveling crane ground information integral track traffic method of controlling security, it is characterised in that:
    According to train operation route and speed, running track is divided into the certain multiple sections of fundamental length by empty overhead traveling crane; The certain position of each section sets infrastructure, energy facilities, hardware device, antenna equipment, zone system, is transporting Onboard system is set on the train run on row track, and the zone system matches with the onboard system;Work as locomotive operation By n sections the zone system when, the onboard system is engaged with the zone system of the n sections and triggers the section System is pre- warning system segment, and the system segment for running the adjacent n-1 sections having already passed through is caution system section, makes to drive into this Adjacent n-1 sections slow down in rear train;When train progresses through the zone system of n+1 sections, the car It is caution system section that loading system, which is engaged with the zone system of the n+1 sections and triggers the zone system to n segment marks, can Make to move ahead drive into the adjacent n sections slow down speed automatically because of information warning in rear train, while release it is previous The caution system section of the secondary adjacent n-1 sections passed through is normal system section, makes the train positioned at n-1 sections because being prompted without information warning And normal operation;Show and warn for the adjacent sections progress information early warning that train has already passed through in a manner of this is progressive, solve simultaneously Except the system warning for the secondary adjacent area section that train has already passed through, by way of subregion segment information warns, control in running track Train keeps safe distance with front truck all the time in operation, prevents locomotive and knocks into the back;
    Infrastructure is Space, Place physical entity, to provide basic physical environment guarantee;Energy facilities be and the train energy Related facilities and equipment, there is provided basic power source guarantee;Hardware device be generic server, router, interchanger, disk array, The hardware facility equipment such as refrigeration plant;Antenna equipment is to realize the wireless interconnected required antenna equipment in the world, meets that the world interconnects Radiolink demand.
  2. 2. a kind of empty overhead traveling crane according to claim 1 ground information integral track traffic method of controlling security and its system, It is characterized in that:The zone system is provided with track triggering system, and the onboard system is provided with vehicle-mounted triggering system, described Track triggering system matches with the vehicle-mounted triggering system, and its described vehicle-mounted triggering system of n sections and the n are driven into train When the track triggering system of section is corresponding, the n sections are triggered as pre- warning system segment, make the system of n-1 sections by giving tacit consent to Normal system state be changed into deceleration system state, while the zone system of n-2 sections is reverted to normal condition.
  3. 3. a kind of empty overhead traveling crane according to claim 2 ground information integral track traffic method of controlling security and its system, It is characterized in that:The zone system is arranged on the original position or front-end position or middle section position of each section, described Information control center is provided with zone system, described information control centre is provided with information control device, the track triggering system System is provided with information trigger switch C;The vehicle-mounted triggering system is provided with information trigger switch C ';Triggered by the track and be The information trigger switch C of system and the information trigger switch C ' of the vehicle-mounted triggering system action are entered to described information control device Row manipulation.
  4. 4. a kind of empty overhead traveling crane according to claim 1 ground information integral track traffic method of controlling security and its system, It is characterized in that:The information trigger switch C of the track triggering system and information trigger switch C ' of the onboard system is to make Connected or disconnected with contactless or touch switch, carried out including the use of optoelectronic switch, infrared switch, electromagnetic switch Connection disconnects.
  5. 5. a kind of empty overhead traveling crane information integral track traffic safety control system, it is characterised in that:System is by being arranged on row Onboard system on car car body forms with the zone system being arranged on running track section, the onboard system and the section System match control zone information for pre- warning system segment, caution system section and normal system section.
CN201711034802.4A 2017-10-30 2017-10-30 A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system Pending CN107757657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711034802.4A CN107757657A (en) 2017-10-30 2017-10-30 A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711034802.4A CN107757657A (en) 2017-10-30 2017-10-30 A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system

Publications (1)

Publication Number Publication Date
CN107757657A true CN107757657A (en) 2018-03-06

Family

ID=61271790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711034802.4A Pending CN107757657A (en) 2017-10-30 2017-10-30 A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system

Country Status (1)

Country Link
CN (1) CN107757657A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110696873A (en) * 2019-10-25 2020-01-17 新誉集团有限公司 Switch control system based on air-to-vehicle-ground integrated network
CN110696879A (en) * 2019-10-25 2020-01-17 新誉集团有限公司 Train speed control system based on air-to-air vehicle-ground integrated network

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223879A (en) * 2012-01-30 2013-07-31 高治周 Safety control method and safety control system for electric rail transit
JP2014054936A (en) * 2012-09-13 2014-03-27 Mitsubishi Electric Corp Train communication system and train communication method
CN106218673A (en) * 2016-08-31 2016-12-14 北京交控科技股份有限公司 A kind of train operation control system based on the empty ground integrated network of overhead traveling crane
CN107204847A (en) * 2017-06-20 2017-09-26 西安电子科技大学 Empty overhead traveling crane ground track dedicated network access authentication and key agreement protocol and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223879A (en) * 2012-01-30 2013-07-31 高治周 Safety control method and safety control system for electric rail transit
JP2014054936A (en) * 2012-09-13 2014-03-27 Mitsubishi Electric Corp Train communication system and train communication method
CN106218673A (en) * 2016-08-31 2016-12-14 北京交控科技股份有限公司 A kind of train operation control system based on the empty ground integrated network of overhead traveling crane
CN107204847A (en) * 2017-06-20 2017-09-26 西安电子科技大学 Empty overhead traveling crane ground track dedicated network access authentication and key agreement protocol and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
钱名军等: "《铁路行车组织基础》", 31 March 2015, 中国铁道出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110696873A (en) * 2019-10-25 2020-01-17 新誉集团有限公司 Switch control system based on air-to-vehicle-ground integrated network
CN110696879A (en) * 2019-10-25 2020-01-17 新誉集团有限公司 Train speed control system based on air-to-air vehicle-ground integrated network
CN110696879B (en) * 2019-10-25 2021-09-03 新誉集团有限公司 Train speed control system based on air-to-air vehicle-ground integrated network
CN110696873B (en) * 2019-10-25 2021-09-03 新誉集团有限公司 Switch control system based on air-to-vehicle-ground integrated network

Similar Documents

Publication Publication Date Title
CN110758484B (en) Train automatic driving method, VOBC, TIAS and area controller
RU2209149C2 (en) Safety system preventing collision of trains and derailemtn of rail vehicles
WO2020248402A1 (en) Electronic tag positioning-based lightweight train control system
CN104354720B (en) Tramcar main track Cha Qu interlocking means of defence and system
EP2746132B1 (en) Ctcs level-3 onboard automatic train operation device and rail transit car
JP6296676B2 (en) Train control system
CN106697001B (en) For the train mobile authorization processing method across line condition
CN109278807B (en) Train jump stopping method based on train-vehicle communication train control system
CN103754229A (en) Control of throttle and braking actions at individual distributed power locomotives in a railroad train
JP5171712B2 (en) Railroad crossing control device
JP2006232106A (en) Signal security system
CN111016968B (en) Safety protection system and method for red light running in RM mode with double-transponder combined protection
CN206704207U (en) Movable block degraded running system
KR101260373B1 (en) Signal operation method for tram at divergent intersection
BR102014030956B1 (en) METHOD FOR MANAGING A DERAILING OF A GUIDED GROUND VEHICLE, GUIDED GROUND VEHICLE AND ASSEMBLY
CN105575114B (en) A kind of tramcar intersection is made a dash across the red light warning system and alarm implementation method
US10286924B2 (en) Rail bus transportation network loop system
CN107757657A (en) A kind of empty overhead traveling crane ground information integral track traffic method of controlling security and its system
US20150197255A1 (en) Bi-modal traffic system
CN113699910B (en) Intelligent road sealing system
CN104831593A (en) Freely-overtaking lane arranging method of two lane road
CN103282259B (en) For the device of European Train Control System 2 grades of ETCS L2 Train Control
JP2012249402A (en) Atc on-board speed controller, train control system, and control method
JP7287807B2 (en) On-board equipment and train control system
CN114394128B (en) Train control method and system, vehicle-mounted subsystem and trackside resource management subsystem

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190704

Address after: 213100 No. 128 Dongfang East Road, Wujin District, Changzhou City, Jiangsu Province

Applicant after: Xinjiutong Technology (Changzhou) Co., Ltd.

Address before: 610000 Chengdu, Sichuan, China (Sichuan) free trade pilot area, Chengdu high tech Zone, No. 200, 4 floor, 200 Tianfu five street.

Applicant before: Chengdu Jiuyi intelligent Polytron Technologies Inc

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180306