CN102890483B - Function safety monitoring development and demonstration system for major hazard source equipment - Google Patents
Function safety monitoring development and demonstration system for major hazard source equipment Download PDFInfo
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- CN102890483B CN102890483B CN201210343288.3A CN201210343288A CN102890483B CN 102890483 B CN102890483 B CN 102890483B CN 201210343288 A CN201210343288 A CN 201210343288A CN 102890483 B CN102890483 B CN 102890483B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a function safety monitoring development and demonstration system for major hazard source equipment and belongs to the technical field of function safety monitoring. The system comprises a safety control cabinet, a safe PLC (programmable logic controller) arranged in the safety control cabinet, a pattern touch terminal, safety input equipment, and safety output equipment, and also comprises a quadrangle frame and an apparatus layer which are connected into a whole up and down, a safety grating, a non-contact magnetic safety door, a mechanical safety door, an alarm device, an operation button, and a safety carpet, wherein the safety grating, the non-contact magnetic safety door and the mechanical safety door are arranged at three sides of the quadrangle frame; the alarm device is arranged above the quadrangle frame; the operation button is arranged on a panel of the apparatus layer; the safety carpet is arranged on the ground at one side of the quadrangle frame, and monitored high-speed rotation equipment is arranged inside the quadrangle frame. The system provides four effective protective measures, and problems that operating personnel enter into a danger area or various human injuries caused by misoperation are effectively avoided.
Description
Technical field
The invention belongs to functional safety monitoring technique field, relate in particular to a kind of functional safety monitoring exploitation and demo system.
Background technology
Along with going deep into of social development and people-based concept, safety becomes more and more important for personnel, facility and environment.In recent years, the industrial circle such as lapicide, machine-building, the frequent generation of all kinds of industrial accidents has brought huge economic loss not only to enterprise and society, and to the person, equipment and environment structure great threat, become the key factor of restriction China's economic development and construction of harmonious society.The use of safety equipment and system is for preventing the vital role of having brought into play of particularly serious accident.This correct reliability of carrying out security function in the time that danger occurs of these equipment and system, the functional safety problem of security system itself is more and more outstanding.
Existing most of substantial risk source device uses guardrail to protect, and prevention personnel enter.Can affect staff observation and operating efficiency to high-risk equipment running status greatly, and can expand protection equipment, the needed space of personal security but guardrail arranges, reliability is poor.For the equipment of mechanical arm in machinery manufacturing industry and so on, adopt the mode of guardrail may affect the normal operation of equipment, and be difficult to realize effective, reliable, safe protection.
In addition, there are some major hazard source device contexts to adopt the mode of drawing warning line at its periphery, or the mode of drawing warning line on ground is pointed out personnel hazardous location scope, but these two kinds of modes are all too simple and easy, can not cause personnel's enough attention, and can not effectively protect the personnel that only have a certain position of health to enter hazardous location, danger is very large.
The 3rd, existing safety monitoring device function singleness, only completes the image monitoring of major hazard source device context, can not enter hazardous location to personnel and realize early warning and alarming, more can not realize urgent interlock, by hazardous equipment emergent stopping.
Therefore, practical, the reliable functional safety supervisory system for substantial risk source device of exploitation, monitor in real time the early warning and alarming of substantial risk source device and stop in emergency, the safe operation to major hazard source equipment and machine operation personnel's security protection has great importance.
Summary of the invention
The object of the invention is to overcome the weak point of prior art, a kind of monitoring of the functional safety for substantial risk source device exploitation and demo system are provided, for major hazard source equipment provides safe grating, Press line, contactless magnetic safety protective door, four kinds of effective safeguard procedures of safety mechanical door, effectively avoid operating personnel to enter hazardous location or all kinds of personal injuries because of misoperation initiation.
The invention provides a kind of functional safety for substantial risk source device monitoring exploitation and demo system, it is characterized in that, this system is mainly made up of functional safety monitoring unit and security protection and demonstration unit; Described functional safety control module comprises security control cabinet, is arranged on the safety PLC in security control cabinet, pattern touch terminal, safe input equipment, Safety output equipment; Pattern touch terminal is connected by cable with safety PLC, and in system operational process, operating personnel are convenient to observe the information in pattern touch terminal in outside; Described safe input equipment, safety PLC, Safety output equipment connect by cable successively; Described security protection and demonstration unit comprise the tetragonal body framework and the instrument layer that are connected up and down, the carrier of installing as equipment; Be arranged on the safe grating of three sides of tetragonal body framework, contactless magnetic safety door, safety mechanical door, be placed in the panalarm of tetragonal body framework top; Be arranged on the action button in instrument deck panels, be placed in the ground Press line of tetragonal body framework one side, monitored high-speed rotating equipment is placed in tetragonal body framework; Described Press line is connected with safe input equipment by cable with action button; High-speed rotating equipment and panalarm are by cable and Safety output equipment connection; Safe grating, contactless magnetic safety door are connected with safety PLC by safety bus with safety mechanical door.
The present invention has following beneficial effect:
System of the present invention is according to the actual demand of major hazard source monitoring of tools; for major hazard source equipment provides safe grating, Press line, contactless magnetic safety protective door, four kinds of effective safeguard procedures of safety mechanical door; safe condition can complete the collection, demonstration, warning, analysis, control of safeguard protection that typical major hazard installation control object produces, security parameter and thrashing time maintains; the system of realization is stopped in emergency, emergency cooperative, thrashing safety guarantee, personnel, machine and Environmental security in protection major hazard installation control object operational process.Effectively avoid operating personnel to enter hazardous location or the personal injury because of misoperation initiation.
Brief description of the drawings
Fig. 1 is general structure block diagram of the present invention.
Fig. 2 is functional safety monitoring unit and security protection and the each device distribution schematic diagram of demonstration unit in the present invention.
Embodiment
The monitoring exploitation of the functional safety for substantial risk source device and demo system that the present invention proposes, by reference to the accompanying drawings and embodiment be described in detail as follows:
As shown in Figure 1, this system is mainly made up of functional safety monitoring unit I and security protection and demonstration unit II for functional safety for substantial risk source device of the present invention monitoring exploitation and demo system general structure; Described functional safety monitoring unit, be used for the monitoring of security parameter and the data of collection are carried out to Treatment Analysis, judgement and logical operation, and operation result is outputed to security protection and demonstration unit, realize stopping in emergency of high-speed rotating equipment, panalarm interlink warning.Described security protection and demonstration unit, for realizing the execution of collection, transmission and operational order of on-site signal.
Described functional safety control module I comprises security control cabinet, is arranged on the safety PLC (safety programmable logic controller) in security control cabinet, pattern touch terminal, safe input equipment, Safety output equipment; Pattern touch terminal is connected by cable with safety PLC, and in system operational process, operating personnel are convenient to observe the information in pattern touch terminal in outside; Described safe input equipment, safety PLC, Safety output equipment connect by cable successively; Described security protection and demonstration unit II comprise the tetragonal body framework and the instrument layer that are connected up and down, the carrier of installing as equipment; Be arranged on the safe grating of three sides of tetragonal body framework, contactless magnetic safety door, safety mechanical door, be placed in the panalarm of tetragonal body framework top; Be arranged on the action button in instrument deck panels, be placed in the ground Press line of tetragonal body framework one side, monitored high-speed rotating equipment is placed in tetragonal body framework; Described Press line is connected with safe input equipment by cable with action button; High-speed rotating equipment and panalarm are by cable and Safety output equipment connection; Safe grating, contactless magnetic safety door are connected with safety PLC by safety bus with safety mechanical door.
In the present invention, in functional safety monitoring unit I and security protection and demonstration unit II, each device distribution embodiment is as shown in Figure 2.The security control cabinet 1 of carrier is installed and as the placement that is arranged in parallel of the tetragonal body framework 6 being connected up and down, instrument layer 7 that each equipment in security protection and demonstration unit II is installed carrier as the each equipment of functional safety monitoring unit I.
In functional safety monitoring unit I, pattern touch terminal 2 is arranged on the door of security control cabinet one side, and safe input equipment 3, safety PLC 4, Safety output equipment 5 are arranged on security control cabinet backboard by left-to-right.
In security protection and demonstration unit II, use the installation carrier of tetragonal body framework as high-speed rotating equipment 13, safe grating 11, contactless magnetic safety door 10 and safety mechanical door 12, tetragonal body framework below is instrument layer, and instrument layer below is bracing frame 8.High-speed rotating equipment is parallel on the metal backing that surface level direction is fixed on tetragonal body framework one side, and transmitter and the receiver of safe grating is installed on the vertical prism in two, its dead ahead, forms transparent safe grating protection in high-speed rotating equipment dead ahead.Tetragonal body frame left is provided with the contactless magnetic safety door of clear glass, and right side is provided with the safety mechanical door of clear glass, and top is provided with clear glass, and below is provided with sheet metal.Press line 9 is placed on the floor in dead ahead of contactless magnetic safety door, and personnel stand in Press line region, and high-speed rotating equipment stops demonstrating its protection to a certain specific ground region immediately.
Instrument layer is enclosed construction, sheet metal material, is positioned at tetragonal body framework below, taking the sheet metal of tetragonal body base of frame as top, and the inner cable of placing attended operation button 15 and high-speed rotating equipment.Action button is arranged on the instrument layer front panel of safe grating below, in order to control startup, recovery and the emergent stopping operation of high-speed rotating equipment.Panalarm 14 is fixed on high speed tetragonal body framework top in order to prompt facility running status.
Function and the embodiment of the each equipment of native system are respectively described below:
Security control cabinet in the functional safety monitoring unit I of the present embodiment, for as safety PLC, the installation carrier of pattern touch terminal, safe input equipment, Safety output equipment.On security control cabinet backboard, by left-to-right safe input equipment, safety PLC, the Safety output equipment of being provided with successively, on the door of security control cabinet one side, pattern touch terminal is installed.Security control cabinet cube structure, sheet metal material, specification is 500 × 1500 × 2000mm.
Safety PLC in functional safety monitoring unit I, in the time of operating personnel's violation operation, safety PLC analyzing and processing is from the electric signal of action button, safe grating, contactless magnetic safety door and safety mechanical door, output command is to high-speed rotating equipment, equipment is placed in to lockup state, and output order makes alarm equipment alarm simultaneously.Safety PLC meets EN954-1 11/94, and safe class is up to the 4th grade.
The present embodiment safety PLC adopts the PSS 3032 of Pilz company, main structure parameters: supply voltage: 24VDC; Range of tolerable variance: 20-30VDC, comprises residue pulsation; Power consumption 16W; Total load capacity in output: 9A.
Pattern touch terminal described in functional safety monitoring unit I, is mainly used in display system parameter information and warning message, control process data, realizes online language switching, USB or parallel printer interface is provided, and records online data.The pattern touch terminal of the present embodiment adopts the PMI 226-CT of Pilz company, and its compact conformation uses Microsoft
cE operating system, front end IP65, provides multiple programming language.Important technological parameters: touch-screen is 10 bit resolutions, artifical resistance meets DIN 42115; Supply voltage is 24V DC; Power consumption is 15w to the maximum; Expansion interface is PC/104; Audio interface is stereo socket 3.5mm.
Safe input equipment in functional safety monitoring unit described in I is for being input to safety PLC the data that collect.The safe input equipment of the present embodiment adopts the digital input module of the PSS DI 2 of Pilz company, important technological parameters: supply voltage: 24VDC; Range of tolerable variance: 20-30VDC; Input current: 6mA; Be of a size of 257 × 41 × 220mm; Environment temperature: 0-60 DEG C; Storage temperature :-25-70 DEG C.
Safety output equipment in functional safety monitoring unit described in I, for exporting to actuating equipment the order receiving from safety PLC.The Safety output equipment of the present embodiment adopts numeral/output module of the PSS DI 2O T of Pilz company, important technological parameters: supply voltage: 24VDC; Range of tolerable variance: 20-30VDC; Output allows electric current: 0-2.5A; Output allows electric current 6mA; Be of a size of 257 × 41 × 220mm; Environment temperature: 0-60 DEG C; Storage temperature :-25-70 DEG C.
Press line described in security protection and demonstration unit II, is mainly used in the protection to personnel within the scope of Press line region.When operating personnel set foot on Press line, watch-dog on Press line is transferred to through safe input equipment the pressure signal collecting in safety PLC, safety PLC is analyzed, is judged pressure signal, when pressure signal (presets higher than secure threshold, the object that user can protect is as required stepped on the minimum pressure values producing on Press line as secure threshold), safety PLC output command cuts off the enable signal of high-speed rotating equipment, equipment is placed in to lockup state, export control signal to panalarm, panalarm sends sound and light alarm simultaneously.
The Press line watch-dog of this enforcement adopts the PNOZ e1.1p of Pilz company, and according to EN9541, Press line watch-dog can reach 4 grades of safe classes.Important technological parameters: supply voltage: 24VDC; Tolerance: 80-125%; Output: 2 Safety outputs, 1 auxiliary output; The voltage and current of input and reset loop and feedback control loop: 24VDC, 5mA; Storage temperature :-25-70 DEG C.
Action button described in security protection and demonstration unit II, be mainly used in controlling high-speed rotating equipment parking, operation resets, resumes operation; Operating personnel press red emergency stop push button, and safety PLC receives after stop signal, and output command, to high-speed rotating equipment, is placed in lockup state by high-speed rotating equipment; Simultaneously output command is to panalarm, panalarm red alarm lamp Chang Liang.White button is reset button, and after high-speed rotating equipment is out of service, operating personnel only press reset button, just can carry out other operations.The green button is start button, presses the green button, and safety PLC is sent enabled instruction recovery high-speed rotating equipment and normally moved.
Emergency stop push button adopts the PITestop of Pilz; Reset, start button adopt Japan and spring ABN111.
Tetragonal body framework described in security protection and demonstration unit II, as the installation carrier of high-speed rotating equipment, safe grating, contactless magnetic safety door and safety mechanical door.Frame size is: 1000 × 1000 × 1000mm.
High-speed rotating equipment described in security protection and demonstration unit II, is mainly used in demonstrating operating personnel's violation operation or is strayed into behind explosive area, the stopping in emergency of hazardous equipment, locking, the state that resumes operation, and this high-speed rotating equipment is used for demonstrating substantial risk source device.
Whether normally panalarm described in security protection and demonstration unit II adopts the PIT si3.1 of Pilz company, be mainly used in display system operation.Panalarm is made up of tri coloured lantern, and green light is bright shows that system normally moves, and the bright expression early warning of amber light but equipment are still in running status, and the bright expression of red colored lamp is reported to the police, and high-speed rotating equipment is placed in lockup state.
Safe grating described in security protection and demonstration unit II, is mainly used in the protection to operating personnel's finger, hand, health.This safe grating is made up of synchronous transmitter and receiver, can reach 4 grades of safe classes.When operating personnel's palm is not intended to block after the infrared beam of safe grating, light signal changes into electric signal and is transferred in safety PLC by safety bus, process is to change in electric quantitative analysis, judgement, safety PLC output command cuts off the enable signal of high-speed rotating equipment, and equipment is placed in to lockup state; Safety PLC output command alarm red-fault pilot lamp Chang Liang simultaneously.
The safe grating of the present embodiment adopts the PSENopt of Pilz company, important technological parameters: supply voltage: 24VDC; Transmitter Rx:M12,8 pins and 5 pins; Receiver Tx:M12,4 pins; Connect with Safety BUS p.
Contactless magnetic safety door described in security protection and demonstration unit II, mainly for the protection of operator safety.When high-speed rotating equipment operation, when operating personnel open contactless magnetic safety door by force, electric signal cuts off, information will be transferred in safety PLC by safety bus, after safety PLC judges electric signal analysis, output command cuts off the enable signal of high-speed rotating equipment, and equipment is placed in to lockup state; Output command alarm red-fault pilot lamp Chang Liang simultaneously.
The contactless magnetic safety door switch of the present embodiment adopts the PSEN 2.1p of Pilz company, and application can reach the fourth stage, meets EN954-1 standard, has 2 contacts (often open for 1,1 normally closed), uses 4 pin M8 pin type connectors.Important technological parameters: switched voltage: 24VDC; Switch current: 100mA, power consumption: 2.4W; Maximum switching frequency: 5Hz; Distance of reaction scope: SON:>0.5/<3mm.
Safety mechanical door described in security protection and demonstration unit II, mainly for the protection of operator safety.Only have operating personnel to press red stop button, cut off electric signal, safety PLC is the enable signal of meeting output command cut-out high-speed rotating equipment, and equipment is placed in to lockup state, and output command makes safety mechanical door in released state simultaneously.
The safety mechanical switch that this safety mechanical door uses adopts the PSEN me1 of Pilz company, has locking device, 8 actuating directions, important technological parameters: according to GS-ET-19, holding force is 1500N to the maximum; Supply voltage: 24VDC; Environment temperature :-25-70 DEG C; Degree of protection is up to IP67.
Instrument layer described in security protection and demonstration unit II, as the installation carrier of action button, the inner cable of placing attended operation button and high-speed rotating equipment.Instrument layer height is 10 centimeters, and the rectangular parallelepiped that length and width all equate with tetragonal body framework, is of a size of 100 × 1000 × 1000mm.
Claims (7)
1. for functional safety monitoring exploitation and the demo system of substantial risk source device, it is characterized in that, this system is mainly made up of functional safety monitoring unit and security protection and demonstration unit; Described functional safety control module comprises security control cabinet, is arranged on the safety PLC in security control cabinet, pattern touch terminal, safe input equipment, Safety output equipment; Pattern touch terminal is connected by cable with safety PLC, and in system operational process, operating personnel are convenient to observe the information in pattern touch terminal in outside; Described safe input equipment, safety PLC, Safety output equipment connect by cable successively; Described security protection and demonstration unit comprise the tetragonal body framework and the instrument layer that are connected up and down, the carrier of installing as equipment; Be arranged on the safe grating of three sides of tetragonal body framework, contactless magnetic safety door, safety mechanical door, be placed in the panalarm of tetragonal body framework top; Be arranged on the action button in instrument deck panels, be placed in the ground Press line of tetragonal body framework one side, monitored high-speed rotating equipment is placed in tetragonal body framework; Described Press line is connected with safe input equipment by cable with action button; High-speed rotating equipment and panalarm are by cable and Safety output equipment connection; Safe grating, contactless magnetic safety door are connected with safety PLC by safety bus with safety mechanical door.
2. system as claimed in claim 1, it is characterized in that, described safety PLC analyzing and processing is from the electric signal of action button, safe grating, contactless magnetic safety door and safety mechanical door, output command is to high-speed rotating equipment, equipment is placed in to lockup state, and output order is reported to the police panalarm simultaneously.
3. system as claimed in claim 1, is characterized in that, described pattern touch terminal is mainly used in display system parameter information and warning message, control process data, realize online language switches, USB or parallel printer interface are provided, and records online data.
4. system as claimed in claim 1, is characterized in that, described Press line, is mainly used in the protection to personnel within the scope of Press line region, and the watch-dog on Press line is transferred to through safe input equipment the pressure signal collecting in safety PLC.
5. system as claimed in claim 1, is characterized in that, described panalarm is made up of tri coloured lantern, green light is bright shows that system normally moves, the bright expression early warning of amber light but equipment are still in running status, and the bright expression of red colored lamp is reported to the police, and high-speed rotating equipment is placed in lockup state.
6. system as claimed in claim 5, is characterized in that, described safe grating is mainly used in the protection to operating personnel's hand, health; This safe grating is made up of synchronous transmitter and receiver, when operating personnel's palm is not intended to block after the infrared beam of safe grating, light signal changes into electric signal and is transferred in safety PLC by safety bus, process is to change in electric quantitative analysis, judgement, safety PLC output command cuts off the enable signal of high-speed rotating equipment, and equipment is placed in to lockup state; Safety PLC output command panalarm red-fault pilot lamp Chang Liang simultaneously.
7. system as claimed in claim 1, is characterized in that, described contactless magnetic safety door, mainly for the protection of operator safety; When high-speed rotating equipment operation, when operating personnel open contactless magnetic safety door by force, electric signal cuts off, and information will be transferred in safety PLC by safety bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210343288.3A CN102890483B (en) | 2012-09-16 | 2012-09-16 | Function safety monitoring development and demonstration system for major hazard source equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210343288.3A CN102890483B (en) | 2012-09-16 | 2012-09-16 | Function safety monitoring development and demonstration system for major hazard source equipment |
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| Publication Number | Publication Date |
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| CN102890483A CN102890483A (en) | 2013-01-23 |
| CN102890483B true CN102890483B (en) | 2014-09-17 |
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| CN201210343288.3A Active CN102890483B (en) | 2012-09-16 | 2012-09-16 | Function safety monitoring development and demonstration system for major hazard source equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760310A (en) * | 2015-03-18 | 2015-07-08 | 青岛森麒麟轮胎有限公司 | Error-proofing locking method of belting side of tire moulding machine |
| CN105345487A (en) * | 2015-12-18 | 2016-02-24 | 苏州金逸康自动化设备有限公司 | Machine body shell for slide table type multi-hole drilling and tapping all-in-one machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7870299B1 (en) * | 2008-02-06 | 2011-01-11 | Westinghouse Electric Co Llc | Advanced logic system |
| JP4793589B2 (en) * | 2007-06-13 | 2011-10-12 | オムロン株式会社 | Safety remote I / O terminal |
| CN202240688U (en) * | 2011-08-23 | 2012-05-30 | 上海汇众汽车制造有限公司 | Automatic switching device of safety protective door of machine tool equipment |
| CN202351649U (en) * | 2011-12-05 | 2012-07-25 | 中国化工橡胶桂林有限公司 | Safety control system of automatic equipment |
| CN202854571U (en) * | 2012-09-16 | 2013-04-03 | 中国安全生产科学研究院 | Functional safety monitoring developing and demonstrating system for major hazard source equipment |
-
2012
- 2012-09-16 CN CN201210343288.3A patent/CN102890483B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4793589B2 (en) * | 2007-06-13 | 2011-10-12 | オムロン株式会社 | Safety remote I / O terminal |
| US7870299B1 (en) * | 2008-02-06 | 2011-01-11 | Westinghouse Electric Co Llc | Advanced logic system |
| CN202240688U (en) * | 2011-08-23 | 2012-05-30 | 上海汇众汽车制造有限公司 | Automatic switching device of safety protective door of machine tool equipment |
| CN202351649U (en) * | 2011-12-05 | 2012-07-25 | 中国化工橡胶桂林有限公司 | Safety control system of automatic equipment |
| CN202854571U (en) * | 2012-09-16 | 2013-04-03 | 中国安全生产科学研究院 | Functional safety monitoring developing and demonstrating system for major hazard source equipment |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第4793589号B2 2011.10.12 |
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