CN209228036U - Hydraulic climbing formwork pre-buried mechanism - Google Patents
Hydraulic climbing formwork pre-buried mechanism Download PDFInfo
- Publication number
- CN209228036U CN209228036U CN201821994824.5U CN201821994824U CN209228036U CN 209228036 U CN209228036 U CN 209228036U CN 201821994824 U CN201821994824 U CN 201821994824U CN 209228036 U CN209228036 U CN 209228036U
- Authority
- CN
- China
- Prior art keywords
- cone
- hole
- climbing
- bolt
- part plate
- 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.)
- Active
Links
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model provides a kind of hydraulic climbing formwork pre-buried mechanism, belong to building field, including embedded part plate, high-strength bolt, climb cone and breaker bolt, it climbs on cone and is provided with tapped through hole, high-strength bolt is bolted in the one end for climbing cone, breaker bolt is bolted in the other end for climbing cone, and embedded part plate is installed on breaker bolt and climbs between cone.The hydraulic climbing formwork pre-buried mechanism structure that utility model provides is simple, it is installed on embedded part plate in use, cone will be climbed first with breaker bolt, then high-strength bolt is installed to the other end for climbing cone again, after installing, the side casting cement that cone is climbed to the installation of embedded part plate, after theing cement solidifies, turns breaker bolt, breaker bolt and embedded part plate are removed, easy to operate, construction is simple has greatly saved construction cost.
Description
Technical field
The utility model relates to building fields, in particular to a kind of hydraulic climbing formwork pre-buried mechanism.
Background technique
Creeping formwork is the abbreviation of jumping formwork, and mode hopping is also in foreign countries.By jumping formwork, climbing frame, (creeping formwork also having is not climbed for it
Frame) and climbing equipment three parts composition, it is that one kind has in the tall and slender structures such as construction shear wall system, cylinder system and bridge pier Gui
The tool of effect.Due to having from the ability climbed, it is not required to the handling of hoisting machinery, which reduce Transport Machinery in construction to hang
Transport workload.The external scaffolding in work progress can be being saved from scaffold cradle in the template climbed.To sum up, jumping formwork can subtract
Few hoisting machinery quantity accelerates speed of application, therefore better economic benefit, jumping formwork are comprehensive large form and sleiding form work
A kind of form technology of skill and feature has the advantages that large form and sleiding form are common.Super high-rise building is particularly suitable for apply
Work.
Inventor has found that existing creeping formwork at least has the disadvantage in that existing creeping formwork, and structure is complicated under study for action, construction
It is difficult.
Utility model content
The utility model embodiment is designed to provide a kind of hydraulic climbing formwork pre-buried mechanism, to improve existing creeping formwork knot
The problem of structure is complicated, constructional difficulties.
The embodiments of the present invention are achieved in that
Based on above-mentioned purpose, the embodiments of the present invention provide a kind of hydraulic climbing formwork pre-buried mechanism, including embedded part
Plate, high-strength bolt climb cone and breaker bolt, and described climb on cone is provided with tapped through hole, and the high-strength bolt is bolted in described climb
One end of cone, the breaker bolt are bolted in the other end for climbing cone, and the embedded part plate is installed on the breaker bolt and institute
It states and climbs between cone.
Hydraulic climbing formwork pre-buried mechanism structure provided by the utility model is simple, in use, will climb cone first with breaker bolt
It is installed on embedded part plate, then high-strength bolt is installed to the other end for climbing cone again, after installing, climb cone to the installation of embedded part plate
Side casting cement after theing cement solidifies, turns breaker bolt, and breaker bolt and embedded part plate are removed, easy to operate, construction
Simply, construction cost has greatly been saved.
In an embodiment of the present embodiment: the direction of axis line of the outer diameter for climbing cone threadingly through-hole gradually subtracts
Small, the cone of climbing includes stub end and small head end, and the high-strength bolt is installed on the small head end for climbing cone, the breaker bolt
It is installed on the stub end for climbing cone.
This shape can increase the contact area for climbing cone and cement, thus allow climb cone connect with cement it is stronger,
At the same time it can also which anti-skid chequer is arranged on the surface for climbing cone, the firmness of the connection for climbing cone and cement can be further improved in this way.
In an embodiment of the present embodiment: the tapped through hole includes the first hole and the second hole, first hole
Diameter be greater than the diameter in second hole, first hole is located at the small head end for climbing cone, and second hole is located at described
The stub end of cone is climbed, the high-strength bolt is bolted in first hole, and the breaker bolt is bolted in second hole.
It can be convenient in this way and high-strength bolt positioned, for high-strength bolt when with cone connection is climbed, high-strength bolt is first
It is turned in hole, it is high at this time since the diameter in the second hole is smaller when high-strength bolt turns the junction to the first hole and the second hole
Strong screw rod can not continue to turn forward, complete positioning.
In an embodiment of the present embodiment: the length in first hole is equal to the length in second hole.
Enhanced convenience during installation in this way.
In an embodiment of the present embodiment: the high-strength bolt includes threaded rod and mounting head, the mounting head
It is installed on one end of the threaded rod, the other end of the threaded rod and the cone of climbing connect.
In an embodiment of the present embodiment: the mounting head is welded in the threaded rod.
Mounting head, which can be, to be connect by the way of welding with threaded rod, the bonding strength of such mounting head and threaded rod compared with
Height, certainly, it is also possible that mounting head is directly spirally connected with threaded rod or uses other modes to connect, after casting cement, water
Mud can fix mounting head and threaded rod, and mounting head need to only be able to drive threaded rod during installation and relatively rotate i.e. relative to cone is climbed
It can.
In an embodiment of the present embodiment: being provided with inclined-plane in the mounting head, the inclined-plane enables the installation
The diameter of head is gradually increased along the direction far from the threaded rod.
Inclined-plane, which is arranged, can increase the contact area of mounting head and cement, on the other hand, can allow behind setting inclined-plane hydraulic
Creeping formwork pre-buried mechanism bears the bigger power on threadingly through-hole direction of axis line.
In an embodiment of the present embodiment: the maximum gauge of the mounting head climbs cone more than or equal to described
Maximum gauge.
In an embodiment of the present embodiment: being provided with mounting hole, setting in the mounting hole on the embedded part plate
There is screw thread, the screw thread matches with the external screw thread on the breaker bolt, and the breaker bolt is installed in the mounting hole.
Breaker bolt, which is bolted in embedded part plate, can allow formation between breaker bolt and embedded part plate to position, and embedded part plate is avoided to shake
It is dynamic.
Based on above-mentioned purpose, the utility model additionally provides a kind of hydraulic climbing formwork pre-buried mechanism, including embedded part plate, high-strength
Screw rod climbs cone and breaker bolt, and described climb on cone is provided with tapped through hole, and the high-strength bolt, which is bolted in, described climbs the one of cone
End, the breaker bolt are bolted in the other end for climbing cone, and the embedded part plate is installed on the breaker bolt and described climbs cone
Between, the cone of climbing towards one end of the embedded part plate is provided with chamfering
Hydraulic climbing formwork pre-buried mechanism structure provided by the utility model is simple, in use, will climb cone first with breaker bolt
It is installed on embedded part plate, then high-strength bolt is installed to the other end for climbing cone again, after installing, climb cone to the installation of embedded part plate
Side casting cement after theing cement solidifies, turns breaker bolt, and breaker bolt and embedded part plate are removed, easy to operate, construction
Simply, construction cost has greatly been saved, breaker bolt can be allowed and climb cone during installation more by being arranged after chamfering on climbing cone
Convenience, the set-up time greatly shortened.
Compared with prior art, beneficial effect of the utility model is:
Hydraulic climbing formwork pre-buried mechanism structure provided by the utility model is simple, in use, will climb cone first with breaker bolt
It is installed on embedded part plate, then high-strength bolt is installed to the other end for climbing cone again, after installing, climb cone to the installation of embedded part plate
Side casting cement after theing cement solidifies, turns breaker bolt, and breaker bolt and embedded part plate are removed, easy to operate, construction
Simply, construction cost has greatly been saved.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Required practical attached drawing is briefly described in specific embodiment or description of the prior art, it should be apparent that, it is described below
Attached drawing be that some embodiments of the utility model are not paying creative labor for those of ordinary skill in the art
Under the premise of dynamic, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the schematic diagram of the hydraulic climbing formwork pre-buried mechanism of the offer of the utility model embodiment 1;
Fig. 2 shows the schematic diagrames for climbing cone that the utility model embodiment 1 provides;
Fig. 3 shows the schematic diagram of the high-strength bolt of the offer of the utility model embodiment 1;
Fig. 4 shows the schematic diagram of the embedded part plate of the offer of the utility model embodiment 1;
Fig. 5 shows the schematic diagram of the hydraulic climbing formwork pre-buried mechanism of the offer of the utility model embodiment 2.
In figure: 101- embedded part plate;102- breaker bolt;103- climbs cone;104- high-strength bolt;The first hole 105-;106-
Two holes;107- tapped through hole;108- threaded rod;109- mounting head;The inclined-plane 110-;111- mounting hole.
Specific embodiment
In order to improve the above problem, the embodiments of the present invention provide a kind of hydraulic climbing formwork pre-buried mechanism,
Including embedded part plate, high-strength bolt, cone and breaker bolt are climbed, described climb on cone is provided with tapped through hole, and the high-strength bolt is spirally connected
In described one end for climbing cone, the breaker bolt is bolted in the other end for climbing cone, and the embedded part plate is installed on the safety
It bolt and described climbs between cone.
Hydraulic climbing formwork pre-buried mechanism structure provided by the utility model is simple, in use, will climb cone first with breaker bolt
It is installed on embedded part plate, then high-strength bolt is installed to the other end for climbing cone again, after installing, climb cone to the installation of embedded part plate
Side casting cement after theing cement solidifies, turns breaker bolt, and breaker bolt and embedded part plate are removed, easy to operate, construction
Simply, construction cost has greatly been saved.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, above in conjunction with the utility model
Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the above detailed description to the embodiments of the present invention provided in the accompanying drawings is not intended to limit requirement
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, or integral;It can be mechanical connection, be also possible to electricity
Connection;It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
Referring to figs. 1 to Fig. 4, the embodiment of the present embodiment provides a kind of hydraulic climbing formwork pre-buried mechanism, including embedded part plate
101, high-strength bolt 104, climb cone 103 and breaker bolt 102, climb on cone 103 and be provided with tapped through hole 107,104 spiral shell of high-strength bolt
It is connected to the one end for climbing cone 103, breaker bolt 102 is bolted in the other end for climbing cone 103, and embedded part plate 101 is installed on breaker bolt 102
And it climbs between cone 103.
Hydraulic climbing formwork pre-buried mechanism structure provided in this embodiment is simple, in use, will climb cone first with breaker bolt 102
103 are installed on embedded part plate 101, then high-strength bolt 104 is installed to the other end for climbing cone 103 again, after installing, give embedded part
Plate 101 installs the side casting cement for climbing cone 103, after theing cement solidifies, breaker bolt 102 is turned, by breaker bolt 102 and embedded part
Plate 101 is removed, easy to operate, and construction is simple has greatly saved construction cost.
The direction of axis line for climbing the outer diameter threadingly through-hole 107 of cone 103 is gradually reduced, and it includes stub end and small for climbing cone 103
Head end, high-strength bolt 104 are installed on the small head end for climbing cone 103, and breaker bolt 102 is installed on the stub end for climbing cone 103.This shape
Shape, which can increase, climbs cone 103 and the contact area of cement, thus allow climb cone 103 connect with cement it is stronger, meanwhile, may be used also
Anti-skid chequer is arranged on the surface for climbing cone 103, the firmness of the connection for climbing cone 103 with cement can be further improved in this way.
Tapped through hole 107 includes the first hole 105 and the second hole 106, and the diameter in the first hole 105 is greater than the straight of the second hole 106
Diameter, the first hole 105 are located at the small head end for climbing cone 103, and the second hole 106 is located at the stub end for climbing cone 103, and high-strength bolt 104 is spirally connected
In in the first hole 105, breaker bolt 102 is bolted in the second hole 106.It can be convenient in this way and high-strength bolt 104 positioned,
High-strength bolt 104 with climb cone 103 connect when, high-strength bolt 104 turns in the first hole 105, when high-strength bolt 104 turn to
When the junction in the first hole 105 and the second hole 106, since the diameter in the second hole 106 is smaller, high-strength bolt 104 can not be after at this time
It is continuous to turn forward, complete positioning.
The length in the first hole 105 is equal to the length in the second hole 106.Enhanced convenience during installation in this way.
Wherein, high-strength bolt 104 includes threaded rod 108 and mounting head 109, and mounting head 109 is installed on the one of threaded rod 108
End, the other end of threaded rod 108 are connect with cone 103 is climbed.
Mounting head 109 is welded in threaded rod 108.Mounting head 109, which can be, to be connected by the way of welding with threaded rod 108
Connect, such mounting head 109 and the bonding strength of threaded rod 108 are higher, certainly, mounting head 109 be directly spirally connected with threaded rod 108 or
Person is also possible using other modes connection, and after casting cement, cement can be fixed by mounting head 109 and threaded rod 108, peace
Dress head 109 need to only be able to drive threaded rod 108 during installation and relatively rotate relative to cone 103 is climbed.
Inclined-plane 110 is provided in mounting head 109, inclined-plane 110 enables the diameter of mounting head 109 along the side far from threaded rod 108
To being gradually increased.Inclined-plane 110, which is arranged, can increase the contact area of mounting head 109 Yu cement, on the other hand, inclined-plane 110 be arranged
Hydraulic climbing formwork pre-buried mechanism can be allowed to bear the bigger power on threadingly 107 direction of axis line of through-hole afterwards.
As the more excellent embodiment of the present embodiment, the maximum gauge of mounting head 109 can be allowed to be more than or equal to and climb cone
103 maximum gauge.
It is provided with mounting hole 111 on embedded part plate 101, is provided with screw thread in mounting hole 111, on screw thread and breaker bolt 102
External screw thread match, breaker bolt 102 is installed in mounting hole 111.Breaker bolt 102 is bolted in embedded part plate 101 and can allow
Positioning is formed between breaker bolt 102 and embedded part plate 101, and embedded part plate 101 is avoided to shake.
Embodiment 2
Referring to Fig. 5, present embodiments provide a kind of hydraulic climbing formwork pre-buried mechanism, including embedded part plate 101, high-strength bolt 104,
Cone 103 and breaker bolt 102 are climbed, climbs on cone 103 and is provided with tapped through hole 107, high-strength bolt 104, which is bolted in, climbs the one of cone 103
End, breaker bolt 102 are bolted in the other end for climbing cone 103, and embedded part plate 101 is installed on breaker bolt 102 and climbs between cone 103,
It climbs cone 103 and one end of embedded part plate 101 is provided with chamfering
Hydraulic climbing formwork pre-buried mechanism structure provided in this embodiment is simple, in use, will climb cone first with breaker bolt 102
103 are installed on embedded part plate 101, then high-strength bolt 104 is installed to the other end for climbing cone 103 again, after installing, give embedded part
Plate 101 installs the side casting cement for climbing cone 103, after theing cement solidifies, breaker bolt 102 is turned, by breaker bolt 102 and embedded part
Plate 101 is removed, easy to operate, and construction is simple has greatly saved construction cost, can after setting chamfering on climbing cone 103
It breaker bolt 102 and is climbed 103 enhanced convenience during installation of cone, the set-up time greatly shortened with allowing.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of hydraulic climbing formwork pre-buried mechanism, which is characterized in that including embedded part plate, high-strength bolt, cone and breaker bolt are climbed, it is described
It climbs on cone and is provided with tapped through hole, the high-strength bolt is bolted in described one end for climbing cone, and the breaker bolt is bolted in described
Climb the other end of cone, the embedded part plate is installed on the breaker bolt and described climbs between cone.
2. hydraulic climbing formwork pre-buried mechanism according to claim 1, which is characterized in that the outer diameter for climbing cone threadingly through-hole
Direction of axis line be gradually reduced, the cone of climbing includes stub end and small head end, and the high-strength bolt, which is installed on, described climbs cone
Small head end, the breaker bolt are installed on the stub end for climbing cone.
3. hydraulic climbing formwork pre-buried mechanism according to claim 2, which is characterized in that the tapped through hole include the first hole and
Second hole, the diameter in first hole are greater than the diameter in second hole, and first hole is located at the small head end for climbing cone, institute
It states the second hole and is located at the stub end for climbing cone, the high-strength bolt is bolted in first hole, and the breaker bolt is spirally connected
In in second hole.
4. hydraulic climbing formwork pre-buried mechanism according to claim 3, which is characterized in that the length in first hole is equal to described
The length in the second hole.
5. hydraulic climbing formwork pre-buried mechanism according to claim 3, which is characterized in that the high-strength bolt include threaded rod and
Mounting head, the mounting head are installed on one end of the threaded rod, and the other end of the threaded rod and the cone of climbing connect.
6. hydraulic climbing formwork pre-buried mechanism according to claim 5, which is characterized in that the mounting head is welded in the screw thread
Bar.
7. hydraulic climbing formwork pre-buried mechanism according to claim 5, which is characterized in that it is provided with inclined-plane in the mounting head,
The inclined-plane enables the diameter of the mounting head be gradually increased along the direction far from the threaded rod.
8. hydraulic climbing formwork pre-buried mechanism according to claim 7, which is characterized in that the maximum gauge of the mounting head is greater than
Or equal to the maximum gauge for climbing cone.
9. hydraulic climbing formwork pre-buried mechanism according to claim 1, which is characterized in that be provided with installation on the embedded part plate
Hole is provided with screw thread in the mounting hole, and the screw thread matches with the external screw thread on the breaker bolt, the breaker bolt
It is installed in the mounting hole.
10. a kind of hydraulic climbing formwork pre-buried mechanism, which is characterized in that including embedded part plate, high-strength bolt, climb cone and breaker bolt, institute
It states to climb on cone and is provided with tapped through hole, the high-strength bolt is bolted in described one end for climbing cone, and the breaker bolt is bolted in institute
State the other end for climbing cone, the embedded part plate be installed on the breaker bolt and it is described climb between cone, the cone of climbing buries described in
One end of part plate is provided with chamfering.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821994824.5U CN209228036U (en) | 2018-11-28 | 2018-11-28 | Hydraulic climbing formwork pre-buried mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821994824.5U CN209228036U (en) | 2018-11-28 | 2018-11-28 | Hydraulic climbing formwork pre-buried mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209228036U true CN209228036U (en) | 2019-08-09 |
Family
ID=67505472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821994824.5U Active CN209228036U (en) | 2018-11-28 | 2018-11-28 | Hydraulic climbing formwork pre-buried mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209228036U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748162A (en) * | 2019-10-30 | 2020-02-04 | 中国铁建重工集团股份有限公司 | Turnover device and turnover method of turnover device |
-
2018
- 2018-11-28 CN CN201821994824.5U patent/CN209228036U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748162A (en) * | 2019-10-30 | 2020-02-04 | 中国铁建重工集团股份有限公司 | Turnover device and turnover method of turnover device |
CN110748162B (en) * | 2019-10-30 | 2021-12-07 | 中国铁建重工集团股份有限公司 | Turnover device and turnover method of turnover device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101736893B (en) | Overhanging type scaffold supporting system | |
CN105735466A (en) | Prefabricated wall column one-segment type steel rib connection structure and method | |
CN209228036U (en) | Hydraulic climbing formwork pre-buried mechanism | |
CN107217846A (en) | Bayonet lock and its manufacture method and utilize its aluminum alloy mould plate system and construction method | |
CN101503908A (en) | Construction method for spacing suspension cable structural template support platform | |
CN110409792A (en) | A kind of detachable drawknot node device of builder's jack head step | |
CN208088822U (en) | A kind of caisson of toilet formwork structure | |
CN203795825U (en) | Scaffold and wall connector and scaffold and wall connecting structure | |
CN101906870A (en) | Suspended scaffolding | |
CN209226415U (en) | A kind of Novel sling component | |
CN210619969U (en) | Prefabricated staircase hoist and mount subassembly | |
CN211368438U (en) | Reinforcing apparatus that bridge concatenation was used | |
CN204040437U (en) | Cantilever tripod and single-row cantilever protection frame system | |
CN208201865U (en) | Column hammer and rammed bulb pile equipment | |
CN107023154A (en) | A kind of new builder's jack component and its construction method | |
CN105952129A (en) | Elevator shaft combined type integral lifting operation platform and construction method thereof | |
CN210529735U (en) | Building steel structure platform base | |
CN112211384B (en) | Scaffold for building site | |
CN106894579A (en) | A kind of basis of assembled architecture and connecting structure of wall | |
CN108086523A (en) | Light steel concrete building block faced wall and its construction method | |
CN209907909U (en) | Shaped steel cantilever beam lower supporting device | |
CN209228035U (en) | Jumping formwork structure | |
CN207080169U (en) | A kind of wall attaching parts for bridge construction safety climbing ladder | |
CN208456085U (en) | Build builder's jack structure | |
CN107476432B (en) | Prefabricated reinforced concrete upright post connection structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |