CN101159722A - Gateway equipment and method of implementing wide area network sharing connection on gateway equipment - Google Patents
Gateway equipment and method of implementing wide area network sharing connection on gateway equipment Download PDFInfo
- Publication number
- CN101159722A CN101159722A CNA2007101663740A CN200710166374A CN101159722A CN 101159722 A CN101159722 A CN 101159722A CN A2007101663740 A CNA2007101663740 A CN A2007101663740A CN 200710166374 A CN200710166374 A CN 200710166374A CN 101159722 A CN101159722 A CN 101159722A
- Authority
- CN
- China
- Prior art keywords
- wide area
- area network
- configuration
- wan bridge
- module
- 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
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses gateway equipment and a method for achieving wide area network sharing connection on the gateway equipment. The gateway equipment comprises a configuration module, a wide area network bridge configuration management module, a wide area network bridge kernel function module, and a basic wide area network interface data pack processing module. The method comprises receiving a configuration command for constructing wide area network sharing connection sent by a network side by the configuration module, sending a configuration message for constructing wide area network sharing connection to the wide area network bridge configuration management module according to the command, instructing the wide area network bridge kernel function module to construct a wide area sharing connection after the wide area network bridge configuration management module receives the configuration message for constructing the wide area sharing connection, and constructing the wide area network sharing connection on corresponding basic wide area network interface by the wide area network kernel function module. The invention has independent architectures and good transplantability and adaptability, and is suitable for a plurality of access modes such as DSL, ETH and PON.
Description
Technical field
The present invention relates to computer networking technology, relate in particular to a kind of gateway device and on gateway device, realize the shared method that connects of wide area network.
Background technology
On the present residential gateway equipment, integrated more and more abundanter network application business.Except basic business of networking is provided for the user, business such as Internet video, the networking telephone, video monitoring also are provided, the support to operator's webmaster also is provided simultaneously.So various so abundant Network all needs framework on dissimilar wide area networks connects.Service application causes the variation to wide area network connection request on the residential gateway equipment, sharedization, and modularization can not be that single bridge application or route used again.Meanwhile, take into account two aspects of technology and resource, how to support many different shared wide area networks of type to connect, proposed to require and challenge a wide area network connection device.
At above-mentioned demand, a kind of wide area network connection device share technique that is intended to solve has appearred, i.e. WAN bridge technology, this technology is specially adapted to the residential gateway series products.Simultaneously according to different application scenarioss and operator's networking present situation, the connection type that the wide area network that the WAN bridge technology is supported connects is different, PPPoE (Point to Point Protocol over Ethernet is arranged at present, peer-peer protocol based on Ethernet), DHCP (Dynamic Host Configuration Protocol, DHCP), Static IP (static IP), Bridge (bridge) etc., and can derive as PPPoE and Bridge and DHCP the applied in any combination of various possibility such as many Bridge type.Along with enriching day by day of business, the number that the wide area network that the WAN bridge technology is supported connects also increases gradually.And, realize on a wide area network connection device in the prior art that (as a Wide Area Network interface) support the combination that many wide area networks connect all kinds of problems can occur from the angle that technology realizes, many times or even can't realize the combination of different connection types.
Simultaneously, in the parameter tree structure of TR069 protocol specification, require the support of wide area network connection device by ITMS (Integrated Terminal Management System, the terminal total management system) Pei Zhi mode is created, deletion, revise a plurality of PPP (Point to Point Protocol, the point-to-point protocol) type or the wide area network of IP type and connect, and with this basis of carrying out as business.Therefore there is the demand of residential gateway equipment being unified by ITMS that administers and maintains in operator in the prior art.
Summary of the invention
The invention provides a kind of gateway device and on gateway device, realize the shared method that connects of wide area network, connect in order to realize that on the family expenses gateway device wide area network is shared.
A kind of gateway device comprises configuration module, WAN bridge Configuration Manager, WAN bridge core functions module and basic Wide Area Network interface processing data packets module, wherein,
Configuration module is used to receive the configuration order that network side issues, and comprises that the establishment wide area network is shared connection and the deletion wide area network is shared connection, and sends corresponding configuration messages according to described configuration order to the WAN bridge Configuration Manager;
The WAN bridge Configuration Manager, the configuration messages that is used for issuing according to configuration module issues to WAN bridge core functions module to be created or the shared order that connects of deletion wide area network;
WAN bridge core functions module, the order that is used for issuing according to the WAN bridge Configuration Manager is created or is deleted wide area network and shares connection on corresponding basic Wide Area Network interface, and receive the packet that basic Wide Area Network interface processing data packets module is sent, carry out the data distribution;
Basis Wide Area Network interface processing data packets module, the packet that is used for receiving carries out the data distribution by WAN bridge core functions module.
Described wide area network is shared and is connected to shared connection of wide area network of sharing connection or internet protocol-based based on the wide area network of point-to-point protocol.
Described network side by the WEB page mode to the configuration module distribution configuration command, perhaps by command line mode to the configuration module distribution configuration command.
A kind of wide area network of realizing on gateway device is shared the method that connects, and described gateway device comprises configuration module, WAN bridge Configuration Manager, WAN bridge core functions module and basic Wide Area Network interface processing data packets module, and described method comprises step:
A, configuration module receive the shared configuration order that connects of establishment wide area network that network side issues, and issue to the WAN bridge Configuration Manager according to this order and create the shared configuration messages that connects of wide area network;
After B, WAN bridge Configuration Manager received that creating wide area network shares the configuration messages that connects, order WAN bridge core functions module creation wide area network was shared and is connected;
C, WAN bridge core functions module are created wide area network and are shared connection on corresponding basic Wide Area Network interface.
Also comprise step behind the described step C:
When basic Wide Area Network interface processing data packets module is received packet, if judge its go up framework wide area network share connection, then this packet is distributed by WAN bridge core functions module.
Described WAN bridge Configuration Manager order WAN bridge core functions module creation wide area network is shared the detailed process that connects:
After the WAN bridge Configuration Manager receives that creating wide area network shares the configuration messages that connects, judge the current WAN bridge structure that whether exists on the basic Wide Area Network interface of appointment in this message, if do not exist, then issue the order of creating the WAN bridge structure to WAN bridge core functions module, the corresponding WAN bridge structure of WAN bridge core functions module creation, and, carry out next step then to described basic Wide Area Network interface registration incidence relation; If exist, directly carry out next step;
The WAN bridge Configuration Manager issues the order of creating the WAN bridge interface to WAN bridge core functions module, the corresponding WAN bridge interface of WAN bridge core functions module creation, and register to Network Interface Unit.
Also comprise step behind the described step C:
When configuration module is received the configuration order of the shared connection of deletion wide area network that network side issues, issue the deletion wide area network according to this order to the WAN bridge Configuration Manager and share the configuration messages that connects;
After the WAN bridge Configuration Manager received that the deletion wide area network is shared the configuration messages that connects, order WAN bridge core functions module deletion wide area network was shared and is connected.
Described WAN bridge Configuration Manager order WAN bridge core functions module deletion wide area network is shared the detailed process that connects and is:
After the WAN bridge Configuration Manager receives that the deletion wide area network is shared the configuration messages that connects, issue the order that the WAN bridge interface on the basic Wide Area Network interface is specified in deletion to WAN bridge core functions module, WAN bridge core functions module is deleted this WAN bridge interface, and removes registration to Network Interface Unit;
The WAN bridge Configuration Manager judges whether also there are other WAN bridge interfaces on the described basic Wide Area Network interface, if do not exist, then issue the order of the WAN bridge structure on the described basic Wide Area Network interface of deletion to WAN bridge core functions module, WAN bridge core functions module is deleted this WAN bridge structure, and to described basic Wide Area Network interface disassociation relation.
Described wide area network is shared and is connected to shared connection of wide area network of sharing connection or internet protocol-based based on the wide area network of point-to-point protocol.
Described network side by the WEB page mode to the configuration module distribution configuration command, perhaps by command line mode to the configuration module distribution configuration command.
The present invention has solved by the WAN bridge technology and realized the shared problem that connects of wide area network on gateway device, it is advantageous that framework is independent, transplantability and applicability are good, be applicable to the DSL mode, plurality of access modes such as ETH mode and PON mode, the present invention has satisfied the networking of division VLAN (VLAN) and has used from professional application point of view in addition, and having possessed autgmentability flexibly, the present invention simultaneously has very good support to the wide area network coupling part management of Tr069 webmaster.
Description of drawings
Fig. 1 is the structural representation of gateway device of the present invention;
Fig. 2 shares the flow chart of the method that connects for the present invention realizes wide area network on gateway device;
Fig. 3 shares the flow chart that connects for the wide area network that deletion among the present invention has been created;
The schematic diagram that Fig. 4 uses for a kind of typical case who adopts the DSL mode to insert gateway device of the present invention;
The schematic diagram that Fig. 5 uses for the another kind of typical case who adopts the DSL mode to insert gateway device of the present invention;
Fig. 6 inserts the application schematic diagram of gateway device of the present invention for adopting the ETH mode.
Embodiment
Below in conjunction with each accompanying drawing specific implementation process of the present invention is done further detailed elaboration.
See also Fig. 1, this figure is the structural representation of gateway device of the present invention, it mainly comprises configuration module, WAN bridge Configuration Manager, WAN bridge core functions module and basic Wide Area Network interface processing data packets module, and wherein the concrete effect of each module is as follows:
Configuration module is used to receive the configuration order that network side issues, and comprises that the establishment wide area network is shared connection and the deletion wide area network is shared connection, and sends corresponding configuration messages according to described configuration order to the WAN bridge Configuration Manager; The configuration order that described network side issues is finished by WEB page mode or command line mode, described wide area network is shared and is connected to (the Point to Point Protocol based on PPP, point-to-point protocol) wide area network is shared and is connected or connect based on the wide area network of IP (Internet Protocol, Internet protocol) is shared.
The WAN bridge Configuration Manager, the configuration messages that is used for issuing according to configuration module issues to WAN bridge core functions module to be created or the shared order that connects of deletion wide area network.
WAN bridge core functions module, the order that is used for issuing according to the WAN bridge Configuration Manager is created or is deleted wide area network and shares connection on corresponding basic Wide Area Network interface, and receive the packet that basic Wide Area Network interface processing data packets module is sent, carry out the data distribution.
Basis Wide Area Network interface processing data packets module, the packet that is used for receiving carries out the data distribution by WAN bridge core functions module.
See also Fig. 2, this figure is the present invention realizes the shared method that connects of wide area network on gateway device a flow chart, and described gateway device is a gateway device shown in Figure 1, and it is as follows to realize that on this gateway device wide area network is shared the detailed process that connects:
Step 01, operation maintenance personnel adopt WEB mode or command line mode to issue establishment based on configuration order ppp protocol or share connection based on the wide area network of IP agreement to configuration module by ITMS;
After step 02, configuration module receive that creating wide area network shares the configuration order that connects, verification is carried out in this order, comprise whether order is legal, whether effectively order, whether command context compliant etc., if configuration order is by verification, then execution in step 03, otherwise notice ITMS configuration order is by verification;
Step 03, configuration module issue to the WAN bridge Configuration Manager and create the configuration messages that wide area network is shared connection;
After step 04, WAN bridge Configuration Manager receive that creating wide area network shares the configuration messages that connects, judge the current WAN bridge structure that whether exists on the basic Wide Area Network interface of appointment in this message, if do not exist, then at first issue the order of creating the WAN bridge structure to WAN bridge core functions module, change step 05, if exist, change step 06;
Step 05, the corresponding WAN bridge structure of WAN bridge core functions module creation, and to described basic Wide Area Network interface registration incidence relation, this relation is changeed step 06 as the foundation of follow-up data distribution between the two;
Step 06, WAN bridge Configuration Manager issue the order of creating the WAN bridge interface to WAN bridge core functions module, and after this interface was created and finished, framework changeed step 07 based on shared connection or the IP-based shared connection of PPP thereon;
Create the WAN bridge interface on the WAN bridge structure of order appointment in order of the establishment Wide Area Network interface that step 07, WAN bridge core functions module basis receive, and register the WAN bridge interface of this establishment to Netdevice (Network Interface Unit).
Through above-mentioned steps, can on gateway device, realize sharing connection or the shared connection of IP-based wide area network based on the wide area network of PPP, after the shared connection establishment of wide area network is finished, when basic Wide Area Network interface processing data packets module is received packet, if judge its go up framework wide area network share connection, then packet delivery is arrived WAN bridge core functions module, according to certain distribution policy, carry out the distribution of packet by WAN bridge core functions module.
When no longer needing certain bar wide area network to share connection, the operation maintenance personnel can delete this wide area network by ITMS and share connection, see also Fig. 3, and this figure deletes the flow chart that the wide area network of having created is shared connection among the present invention, and its main implementation procedure is:
Step 11, operation maintenance personnel adopt WEB mode or command line mode to issue deletion based on configuration order ppp protocol or share connection based on the wide area network of IP agreement to configuration module by ITMS;
After step 12, configuration module receive that the deletion wide area network is shared the configuration order that connects, verification is carried out in this order, comprise whether order is legal, whether effectively order, whether command context compliant etc., if configuration order is by verification, then execution in step 13, otherwise notice ITMS configuration order is by verification;
Step 13, configuration module issue the deletion wide area network to the WAN bridge Configuration Manager and share the configuration messages that connects;
Step 14, WAN bridge Configuration Manager issue the order that the WAN bridge interface on the basic Wide Area Network interface is specified in deletion to WAN bridge core functions module after receiving that the deletion wide area network is shared the configuration messages that connects;
Step 15, WAN bridge core functions module are deleted corresponding WAN bridge interface, and remove registration to Netdevice;
Step 16, WAN bridge Configuration Manager judge whether also there are other WAN bridge interfaces on the described basic Wide Area Network interface, if do not exist, then issue the order of the WAN bridge structure on the described basic Wide Area Network interface of deletion to WAN bridge core functions module;
Step 17, WAN bridge core functions module are deleted the WAN bridge structure on the described basic Wide Area Network interface, and to this basis Wide Area Network interface disassociation relation.
Typical application scenarios of the present invention sees also Fig. 4 to Fig. 6.
See also Fig. 4, this figure adopts the DSL mode to insert the schematic diagram of a kind of typical case's application of gateway device of the present invention, in this kind application, gateway device is supported two PVC (Permanent Virtual Circuit, PVC), wherein the bridging of last many sharing modes of framework of PVC1 connects, and each bar bridging connects and can make up different business, the last framework of PVC2 independently tr069 webmaster route connects, typically as PPPoE etc.
See also Fig. 5, this figure adopts the DSL mode to insert the schematic diagram of another kind of typical case's application of gateway device of the present invention, in this kind application, gateway device is only supported a PVC, the bridging that has made up many sharing modes on this PVC connects with a route that is used for the tr069 management and is connected, and is typical as PPPoE etc.
See also Fig. 6, this figure adopts the ETH mode to insert the application schematic diagram of gateway device of the present invention, in this kind application, on a wide area network side ETH interface, the mode that can use WAN bridge to share makes up a route connection and many bridgings that are used for the tr069 webmaster and connects, thereby has highlighted the advantage of sharing mode.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a gateway device is characterized in that, comprises configuration module, WAN bridge Configuration Manager, WAN bridge core functions module and basic Wide Area Network interface processing data packets module, wherein,
Configuration module is used to receive the configuration order that network side issues, and comprises that the establishment wide area network is shared connection and the deletion wide area network is shared connection, and sends corresponding configuration messages according to described configuration order to the WAN bridge Configuration Manager;
The WAN bridge Configuration Manager, the configuration messages that is used for issuing according to configuration module issues to WAN bridge core functions module to be created or the shared order that connects of deletion wide area network;
WAN bridge core functions module, the order that is used for issuing according to the WAN bridge Configuration Manager is created or is deleted wide area network and shares connection on corresponding basic Wide Area Network interface, and receive the packet that basic Wide Area Network interface processing data packets module is sent, carry out the data distribution;
Basis Wide Area Network interface processing data packets module, the packet that is used for receiving carries out the data distribution by WAN bridge core functions module.
2. gateway device as claimed in claim 1 is characterized in that, described wide area network is shared and is connected to shared connection of wide area network of sharing connection or internet protocol-based based on the wide area network of point-to-point protocol.
3. gateway device as claimed in claim 1 is characterized in that, described network side by the WEB page mode to the configuration module distribution configuration command, perhaps by command line mode to the configuration module distribution configuration command.
4. on gateway device, realize the shared method that connects of wide area network for one kind, described gateway device comprises configuration module, WAN bridge Configuration Manager, WAN bridge core functions module and basic Wide Area Network interface processing data packets module, it is characterized in that described method comprises step:
A, configuration module receive the shared configuration order that connects of establishment wide area network that network side issues, and issue to the WAN bridge Configuration Manager according to this order and create the shared configuration messages that connects of wide area network;
After B, WAN bridge Configuration Manager received that creating wide area network shares the configuration messages that connects, order WAN bridge core functions module creation wide area network was shared and is connected;
C, WAN bridge core functions module are created wide area network and are shared connection on corresponding basic Wide Area Network interface.
5. method as claimed in claim 4 is characterized in that, also comprises step behind the described step C:
When basic Wide Area Network interface processing data packets module is received packet, if judge its go up framework wide area network share connection, then this packet is distributed by WAN bridge core functions module.
6. method as claimed in claim 4 is characterized in that, described WAN bridge Configuration Manager order WAN bridge core functions module creation wide area network is shared the detailed process that connects and is:
After the WAN bridge Configuration Manager receives that creating wide area network shares the configuration messages that connects, judge the current WAN bridge structure that whether exists on the basic Wide Area Network interface of appointment in this message, if do not exist, then issue the order of creating the WAN bridge structure to WAN bridge core functions module, the corresponding WAN bridge structure of WAN bridge core functions module creation, and, carry out next step then to described basic Wide Area Network interface registration incidence relation; If exist, directly carry out next step;
The WAN bridge Configuration Manager issues the order of creating the WAN bridge interface to WAN bridge core functions module, the corresponding WAN bridge interface of WAN bridge core functions module creation, and register to Network Interface Unit.
7. method as claimed in claim 4 is characterized in that, also comprises step behind the described step C:
When configuration module is received the configuration order of the shared connection of deletion wide area network that network side issues, issue the deletion wide area network according to this order to the WAN bridge Configuration Manager and share the configuration messages that connects;
After the WAN bridge Configuration Manager received that the deletion wide area network is shared the configuration messages that connects, order WAN bridge core functions module deletion wide area network was shared and is connected.
8. method as claimed in claim 7 is characterized in that, described WAN bridge Configuration Manager order WAN bridge core functions module deletion wide area network is shared the detailed process that connects and is:
After the WAN bridge Configuration Manager receives that the deletion wide area network is shared the configuration messages that connects, issue the order that the WAN bridge interface on the basic Wide Area Network interface is specified in deletion to WAN bridge core functions module, WAN bridge core functions module is deleted this WAN bridge interface, and removes registration to Network Interface Unit;
The WAN bridge Configuration Manager judges whether also there are other WAN bridge interfaces on the described basic Wide Area Network interface, if do not exist, then issue the order of the WAN bridge structure on the described basic Wide Area Network interface of deletion to WAN bridge core functions module, WAN bridge core functions module is deleted this WAN bridge structure, and to described basic Wide Area Network interface disassociation relation.
9. as any described method in the claim 4 to 8, it is characterized in that described wide area network is shared and is connected to shared connection of wide area network of sharing connection or internet protocol-based based on the wide area network of point-to-point protocol.
10. method as claimed in claim 4 is characterized in that, described network side by the WEB page mode to the configuration module distribution configuration command, perhaps by command line mode to the configuration module distribution configuration command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710166374A CN100589460C (en) | 2007-11-08 | 2007-11-08 | Gateway equipment and method of implementing wide area network sharing connection on gateway equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710166374A CN100589460C (en) | 2007-11-08 | 2007-11-08 | Gateway equipment and method of implementing wide area network sharing connection on gateway equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101159722A true CN101159722A (en) | 2008-04-09 |
| CN100589460C CN100589460C (en) | 2010-02-10 |
Family
ID=39307645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710166374A Active CN100589460C (en) | 2007-11-08 | 2007-11-08 | Gateway equipment and method of implementing wide area network sharing connection on gateway equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100589460C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741767B (en) * | 2008-11-18 | 2012-09-05 | 华为终端有限公司 | Gateway and gateway setting method |
| CN103401742A (en) * | 2013-08-15 | 2013-11-20 | 上海斐讯数据通信技术有限公司 | Effective method and system for home gateway SIP (Session Initiation Protocol) configuration |
-
2007
- 2007-11-08 CN CN200710166374A patent/CN100589460C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741767B (en) * | 2008-11-18 | 2012-09-05 | 华为终端有限公司 | Gateway and gateway setting method |
| CN103401742A (en) * | 2013-08-15 | 2013-11-20 | 上海斐讯数据通信技术有限公司 | Effective method and system for home gateway SIP (Session Initiation Protocol) configuration |
| CN103401742B (en) * | 2013-08-15 | 2017-05-24 | 上海斐讯数据通信技术有限公司 | Effective method and system for home gateway SIP (Session Initiation Protocol) configuration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100589460C (en) | 2010-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101047618B (en) | Method and system for acquiring network route information | |
| CN105706393B (en) | The method and system of operator's order is supported in link aggregation group | |
| US8832279B2 (en) | Network system, machine allocation device and machine allocation method | |
| CN101039310B (en) | Link sharing service apparatus and communication method thereof | |
| US20080056240A1 (en) | Triple play subscriber and policy management system and method of providing same | |
| CN106789527A (en) | The method and system that a kind of private line network is accessed | |
| JP5679343B2 (en) | Cloud system, gateway device, communication control method, and communication control program | |
| WO2012106883A1 (en) | Method, apparatus and system for initial deployment of layer 2 network device | |
| CN104092684A (en) | Method and device for supporting VPN based on OpenFlow protocol | |
| CN101312456B (en) | Method and system for survival monitoring session of subscriber | |
| CN103227773A (en) | Method and system for establishing virtual private dial-up network connection | |
| CN107493188A (en) | A kind of DCN management methods of data communication network | |
| CN102055642A (en) | Data message conversion method | |
| CN101909074A (en) | Network access equipment and method for implementing data forwarding between different physical media | |
| CN102546669B (en) | Data transmission method and device | |
| CN102710495B (en) | Method and device for establishing routing information of user host computer in monitoring network | |
| CN100589460C (en) | Gateway equipment and method of implementing wide area network sharing connection on gateway equipment | |
| CN103795800A (en) | Remote exchanger managing method based on web | |
| CN108234305A (en) | A kind of control method and equipment of across machine frame link redundancy protection | |
| CN1300985C (en) | Method for processing extra-long message in two-layer virtual special-purpose network | |
| CN106533775B (en) | Virtualize member device and neighbor discovering method | |
| CN107769979A (en) | A kind of method synchronously configured between router | |
| CN103036757B (en) | A kind of network architecture and collocation method thereof | |
| CN101621528B (en) | Conversation system based on Ethernet switch cluster management and method for realizing conversation passage | |
| CN1223155C (en) | Method for realizing 802.1 X communication based on group management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |