CN214475819U - High school english contrast inquiry unit - Google Patents
High school english contrast inquiry unit Download PDFInfo
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- CN214475819U CN214475819U CN202120105628.3U CN202120105628U CN214475819U CN 214475819 U CN214475819 U CN 214475819U CN 202120105628 U CN202120105628 U CN 202120105628U CN 214475819 U CN214475819 U CN 214475819U
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- plate
- bottom plate
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- rigid coupling
- high school
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The application discloses a high school English comparison query device, which comprises a bottom plate, a comparison mechanism and an auxiliary mechanism, wherein a partition plate is fixedly connected to the bottom plate, and an auxiliary plate and a placing plate are respectively arranged on two sides of the partition plate; the contrast mechanism comprises a conveyor belt, adjusting wheels and a limiting strip, the conveyor belt is sleeved between the two rotating wheels, the rotating wheels are rotatably connected with the inner wall of the bottom plate, the adjusting wheels are clamped on one side of the bottom plate, a connecting block is arranged on the right side of each adjusting wheel, the limiting strip is clamped on the adjusting plate, and the length of the limiting strip is smaller than that of the adjusting plate; the auxiliary mechanism comprises a magnet strip, a sucker and a lighting block, wherein the magnet strip is embedded inside the placing plate, the sucker is fixedly connected to the bottom of the reinforcing plate, supporting bars are installed on two sides of the reinforcing plate, the lighting block is embedded inside the partition plate, and a power module is installed at the bottom of the lighting block. The adjusting wheel is beneficial to the query of words; the charging module is beneficial to the use of a panel; the device may be used in different orientations.
Description
Technical Field
The application relates to an inquiry unit, specifically is a high school english contrast inquiry unit.
Background
The ancient english is very different from the modern english, and is difficult to understand by english speakers in the 21 st century. Its close relative is old fries blue. Nouns, adjectives, pronouns, and verbs have more inflected endings and forms, and word order is much more liberal than in modern english. Modern english pronouns have a lattice form and some variations of verbs, but ancient english also has nouns ending with nouns, verbs having more personal names and numbers ending.
When contrasting the inquiry to the english, the card position that has english vocabulary and chinese translation is comparatively fixed, and inconvenient removal realizes the dynamic inquiry of vocabulary, influences the inquiry effect, and during the inquiry, whole device lacks auxiliary structure, and inconvenient external equipment's placing and use lack the illumination structure, and it is inconvenient to use, and the inconvenient installation direction of adjusting of whole device when just contrasting uses in level or vertical direction, and the operation is inconvenient. Therefore, a high school english comparison inquiry device is proposed to solve the above problems.
Disclosure of Invention
A high school English comparison query device comprises a bottom plate, a comparison mechanism and an auxiliary mechanism, wherein a partition plate is fixedly connected to the bottom plate, and an auxiliary plate and a placing plate are respectively arranged on two sides of the partition plate;
the contrast mechanism comprises a conveyor belt, adjusting wheels and a limiting strip, the conveyor belt is sleeved between the two rotating wheels, the rotating wheels are rotatably connected with the inner wall of the bottom plate, the adjusting wheels are clamped on one side of the bottom plate, a connecting block is arranged on the right side of each adjusting wheel, the limiting strip is clamped on the adjusting plate, and the length of the limiting strip is smaller than that of the adjusting plate;
the auxiliary mechanism comprises a magnet strip, a sucker and a lighting block, wherein the magnet strip is embedded inside the placing plate, the sucker is fixedly connected to the bottom of the reinforcing plate, supporting bars are installed on two sides of the reinforcing plate, the lighting block is embedded inside the partition plate, and a power module is installed at the bottom of the lighting block.
Further, bottom plate one side rigid coupling has the installation piece, the guard plate is installed to installation piece one side, the guard plate block is on the bottom plate, the bottom plate is located the regulating wheel top, the regulating wheel is located two and rotates between the wheel, two it connects to rotate the transmission between the wheel.
Furthermore, the tail end of the adjusting wheel is sleeved on the inner wall of the bottom plate, the adjusting wheel is rotatably connected with the bottom plate, the adjusting wheel is sleeved with a conveying belt, and connecting blocks are fixedly connected to the conveying belts on the upper side and the lower side of the adjusting wheel.
Furthermore, bottom plate bottom rigid coupling has the support bar, two connect through the connecting strip between the support bar, the connecting strip runs through the gusset plate, the gusset plate is totally two, two connect through the connecting rod between the gusset plate.
Furthermore, a placing groove is formed in the top of the bottom plate, a transverse plate is fixedly connected to one side of the placing groove, the placing groove is located above the charging module, a cushion block is lapped on the bottom of the charging module, and the cushion block is fixedly connected to the bottom of the inner cavity of the bottom plate.
Furthermore, the lighting block is electrically connected with the power module, the power module is fixedly connected to the bottom of the inner cavity of the bottom plate, the power module is electrically connected with the charging module, and the size of the power module is larger than that of the charging module.
Further, bottom plate inner chamber rigid coupling has the heat dissipation fan, one side rigid coupling that the heat dissipation fan is close to power module has the trachea, the trachea is located the power module top, the thickness of heat dissipation fan is greater than the baffle, a plurality of ventilation holes have been seted up on the bottom plate is close to the lateral wall of heat dissipation fan.
Furthermore, a vertical plate is installed on the auxiliary plate through a damping rotating shaft, the vertical plate is rotatably connected with the auxiliary plate, the vertical plate and the comparison groove are the same in size, and the comparison groove is formed in the auxiliary plate.
Further, regulating plate internally mounted has the telescopic link, the telescopic link is totally two, the telescopic link includes interior pole and outer pole, the outer pole rigid coupling is on the regulating plate inner wall, the terminal rigid coupling of interior pole is on spacing, the spring has been cup jointed to interior pole outside, spring one end rigid coupling is on spacing, and the other end rigid coupling is on the outer pole, sliding connection between interior pole and the outer pole.
Further, one side rigid coupling that the regulating plate was kept away from to spacing strip has the magnet piece, adopt magnetism to be connected between magnet piece and the magnet strip, sliding connection between magnet piece and the bottom plate, the width of magnet piece is less than the magnet strip.
The beneficial effect of this application is: the application provides a but high school's english contrast inquiry unit of area illumination function and multidirectional installation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic view of a guard plate according to an embodiment of the present application;
FIG. 4 is a schematic view of an embodiment of the present application showing the mounting of a suction cup structure;
FIG. 5 is a schematic view of a rotating wheel according to an embodiment of the present application;
FIG. 6 is a schematic view of a telescoping rod according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a power module according to an embodiment of the present application.
In the figure: 1. installation piece, 2, the guard plate, 3, the conveyer belt, 4, the regulating wheel, 5, the connecting block, 6, rotate the wheel, 7, the accessory plate, 701, the riser, 8, the baffle, 9, the magnet strip, 10, place the board, 11, spacing, 12, the regulating plate, 1201, the telescopic link, 13, the standing groove, 14, the diaphragm, 15, the bottom plate, 16, the support bar, 17, the connecting strip, 18, the gusset plate, 19, the sucking disc, 20, the connecting rod, 21, the illumination piece, 22, the module of charging, 23, the cushion, 24, power module, 25, the heat dissipation fan.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-7, a high school english comparison query device includes a bottom plate 15, a comparison mechanism and an auxiliary mechanism, wherein a partition plate 8 is fixedly connected to the bottom plate 15, and an auxiliary plate 7 and a placing plate 10 are respectively installed on two sides of the partition plate 8;
the contrast mechanism comprises a conveyor belt 3, adjusting wheels 4 and a limiting strip 11, the conveyor belt 3 is sleeved between two rotating wheels 6, the rotating wheels 6 are rotatably connected with the inner wall of a bottom plate 15, the adjusting wheels 4 are clamped on one side of the bottom plate 15, a connecting block 5 is arranged on the right side of each adjusting wheel 4, the limiting strip 11 is clamped on an adjusting plate 12, and the length of the limiting strip 11 is smaller than that of the adjusting plate 12;
the auxiliary mechanism includes magnet strip 9, sucking disc 19 and illumination piece 21, the gomphosis of magnet strip 9 is inside placing board 10, 19 rigid couplings of sucking disc are in reinforcing plate 18 bottom, support bar 16 is all installed to reinforcing plate 18 both sides, the gomphosis of illumination piece 21 is inside baffle 8, power module 24 is installed to illumination piece 21 bottom.
The device comprises a base plate 15, a mounting block 1, a protection plate 2, a regulating wheel 4, a transmission connection device and a control device, wherein the mounting block 1 is fixedly connected to one side of the base plate 15, the protection plate 2 is mounted on one side of the mounting block 1, the protection plate 2 is clamped on the base plate 15, the base plate 15 is positioned above the regulating wheel 4, the regulating wheel 4 is positioned between the two rotating wheels 6, and the two rotating wheels 6 are in transmission connection, so that the regulating wheel 4 can be conveniently rotated and used; the tail end of the adjusting wheel 4 is sleeved on the inner wall of the bottom plate 15, the adjusting wheel 4 is rotatably connected with the bottom plate 15, the adjusting wheel 4 is sleeved with the conveyor belt 3, the conveyor belts 3 positioned on the upper side and the lower side of the adjusting wheel 4 are fixedly connected with the connecting blocks 5, so that the movement of the conveyor belt 3 is facilitated, and the dynamic query of words is realized; the bottom of the bottom plate 15 is fixedly connected with support bars 16, the two support bars 16 are connected through connecting bars 17, the connecting bars 17 penetrate through reinforcing plates 18, the number of the reinforcing plates 18 is two, and the two reinforcing plates 18 are connected through connecting rods 20, so that the stable installation of the bottom of the whole device is convenient to maintain; the top of the bottom plate 15 is provided with a placing groove 13, one side of the placing groove 13 is fixedly connected with a transverse plate 14, the placing groove 13 is positioned above the charging module 22, the bottom of the charging module 22 is lapped with a cushion block 23, and the cushion block 23 is fixedly connected to the bottom of the inner cavity of the bottom plate 15, so that the cushion block 23 can support and protect the bottom of the charging module 22; the lighting block 21 is electrically connected with the power supply module 24, the power supply module 24 is fixedly connected to the bottom of the inner cavity of the bottom plate 15, the power supply module 24 is electrically connected with the charging module 22, and the size of the power supply module 24 is larger than that of the charging module 22, so that the power supply module 24 is convenient to install and use; a heat dissipation fan 25 is fixedly connected to the inner cavity of the bottom plate 15, an air pipe is fixedly connected to one side of the heat dissipation fan 25 close to the power module 24, the air pipe is located above the power module 24, the thickness of the heat dissipation fan 25 is larger than that of the partition plate 8, and a plurality of ventilation holes are formed in the side wall of the bottom plate 15 close to the heat dissipation fan 25, so that the heat dissipation fan 25 can conveniently dissipate heat and protect the inside of the bottom plate 15; a vertical plate 701 is installed on the auxiliary plate 7 through a damping rotating shaft, the vertical plate 701 is rotatably connected with the auxiliary plate 7, the vertical plate 701 and a comparison groove are the same in size, and the comparison groove is formed in the auxiliary plate 7, so that English and Chinese comparison of documents is facilitated; the adjusting plate 12 is internally provided with two telescopic rods 1201, each telescopic rod 1201 comprises an inner rod and an outer rod, the outer rods are fixedly connected to the inner wall of the adjusting plate 12, the tail ends of the inner rods are fixedly connected to the limiting strips 11, springs are sleeved outside the inner rods, one ends of the springs are fixedly connected to the limiting strips 11, the other ends of the springs are fixedly connected to the outer rods, and the inner rods and the outer rods are connected in a sliding mode, so that the positions of the limiting strips 11 can be changed conveniently; spacing 11 one side rigid coupling of keeping away from regulating plate 12 has the magnet piece, adopt magnetism to be connected between magnet piece and the magnet strip 9, sliding connection between magnet piece and the bottom plate 15, the width of magnet piece is less than magnet strip 9, the magnet piece of being convenient for and magnet strip 9 be connected.
When the device is used, electrical components appearing in the device are externally connected with a power supply and a control switch when the device is used, firstly, the protection plate 2 is opened, documents to be compared are placed in the comparison groove, the vertical plate 701 is rotated to enable the vertical plate 701 to be vertical to the bottom plate 15, the adjusting wheel 4 is rotated to adjust the positions of the conveyor belt 3 and the connecting block 5, words with Chinese are adhered to the conveyor belt 3 and the connecting block 5, comparison and observation are convenient, the inquired documents are inserted on the vertical plate 701 by using positioning nails for fixing, the illuminating block 21 in the partition plate 8 can illuminate during comparison, when the abnormal words are encountered, the flat plate is clamped in the placing groove 13 and is contacted with the charging module 22, the cushion block 23 and the charging module 22 are used for charging the flat plate, the electric quantity of the flat plate is kept sufficient, words are inquired by the flat plate, the power supply module 24 supplies power to the charging module 22 and the heat dissipation fan 25, heat dissipation fan 25 keeps the inside air flow of bottom plate 15, heat dissipation with higher speed, when utilizing the flat board to carry out the english contrast, place the manuscript paper on placing board 10, pulling spacing strip 11, spring and telescopic link 1201 are tensile, move the magnet piece to magnet strip 9 top and magnet strip 9 absorption, the position of fixed manuscript paper, be convenient for record the contrast result to the english, installation piece 1 can be with vertical the placing of whole device, sucking disc 19 and support bar 16 can keep the level of whole device to place, when whole device uses the end, with riser 701 block at bottom plate 15 top, protective cover 2 block is in regulating wheel 4 top, send the vocabulary protection of installing on the band 3, reduce losing and the damage of vocabulary, do benefit to the long-term use of whole device.
The application has the advantages that:
1. the adjusting wheel 4 and the conveyor belt 3 are beneficial to moving query of words, the vertical plate 701 and the placing plate 10 are beneficial to placing manuscript paper, and the placing groove 13 is beneficial to external assistance of a flat plate and the like, so that the comparison and query effects of English are guaranteed;
2. the structure of the device is reasonable, the lighting block 21 can provide lighting, the charging module 22 and the power supply module 24 are beneficial to the use of a flat plate, and the heat dissipation fan 25 can assist the use of the power supply module 24, so that the normal use of the whole device is ensured;
3. the connecting strips 17 can reinforce the connection between the supporting strips 16 and the reinforcing plate 18, and the whole device is convenient to install and fix and is convenient to use in different installation directions.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a high school english contrast inquiry unit which characterized in that: the device comprises a bottom plate (15), a comparison mechanism and an auxiliary mechanism, wherein a partition plate (8) is fixedly connected to the bottom plate (15), and an auxiliary plate (7) and a placing plate (10) are respectively arranged on two sides of the partition plate (8);
the contrast mechanism comprises a conveyor belt (3), adjusting wheels (4) and a limiting strip (11), the conveyor belt (3) is sleeved between two rotating wheels (6), the rotating wheels (6) are rotatably connected with the inner wall of a bottom plate (15), the adjusting wheels (4) are clamped on one side of the bottom plate (15), a connecting block (5) is installed on the right side of the adjusting wheels (4), the limiting strip (11) is clamped on an adjusting plate (12), and the length of the limiting strip (11) is smaller than that of the adjusting plate (12);
the auxiliary mechanism comprises a magnet strip (9), a sucker (19) and a lighting block (21), wherein the magnet strip (9) is embedded inside a placing plate (10), the sucker (19) is fixedly connected to the bottom of a reinforcing plate (18), supporting bars (16) are installed on two sides of the reinforcing plate (18), the lighting block (21) is embedded inside a partition plate (8), and a power module (24) is installed at the bottom of the lighting block (21).
2. The high school english comparison inquiry unit of claim 1, characterized by: bottom plate (15) one side rigid coupling has installation piece (1), protection plate (2) are installed to installation piece (1) one side, protection plate (2) block is on bottom plate (15), bottom plate (15) are located regulating wheel (4) top, regulating wheel (4) are located two and rotate between wheel (6), two rotate and connect in the transmission between wheel (6).
3. The high school english comparison inquiry unit of claim 1, characterized by: the adjusting wheel (4) is characterized in that the tail end of the adjusting wheel (4) is sleeved on the inner wall of the bottom plate (15), the adjusting wheel (4) is rotatably connected with the bottom plate (15), the adjusting wheel (4) is sleeved with the conveying belt (3), and the conveying belt (3) on the upper side and the lower side of the adjusting wheel (4) is fixedly connected with the connecting blocks (5).
4. The high school english comparison inquiry unit of claim 1, characterized by: bottom plate (15) bottom rigid coupling has support bar (16), two connect through connecting strip (17) between support bar (16), reinforcing plate (18) are run through in connecting strip (17), reinforcing plate (18) are totally two, two connect through connecting rod (20) between reinforcing plate (18).
5. The high school english comparison inquiry unit of claim 1, characterized by: standing groove (13) have been seted up at bottom plate (15) top, standing groove (13) one side rigid coupling has diaphragm (14), standing groove (13) are located charging module (22) top, the module (22) bottom overlap joint that charges has cushion (23), cushion (23) rigid coupling is in bottom plate (15) inner chamber bottom.
6. The high school english comparison inquiry unit of claim 1, characterized by: adopt electric connection between illumination piece (21) and power module (24), power module (24) rigid coupling is in bottom plate (15) inner chamber bottom, power module (24) and adopt electric connection between charging module (22), power module (24)'s size is greater than charging module (22).
7. The high school english comparison inquiry unit of claim 1, characterized by: bottom plate (15) inner chamber rigid coupling has heat dissipation fan (25), one side rigid coupling that heat dissipation fan (25) is close to power module (24) has the trachea, the trachea is located power module (24) top, the thickness of heat dissipation fan (25) is greater than baffle (8), a plurality of ventilation holes have been seted up on bottom plate (15) is close to the lateral wall of heat dissipation fan (25).
8. The high school english comparison inquiry unit of claim 1, characterized by: the auxiliary plate (7) is provided with a vertical plate (701) through a damping rotating shaft, the vertical plate (701) is rotatably connected with the auxiliary plate (7), the vertical plate (701) and a comparison groove are the same in size, and the comparison groove is formed in the auxiliary plate (7).
9. The high school english comparison inquiry unit of claim 1, characterized by: adjusting plate (12) internally mounted has telescopic link (1201), telescopic link (1201) are two altogether, telescopic link (1201) are including interior pole and outer pole, outer pole rigid coupling is on adjusting plate (12) inner wall, the terminal rigid coupling of interior pole is on spacing (11), the spring has been cup jointed to interior pole outside, spring one end rigid coupling is on spacing (11), and the other end rigid coupling is on the outer pole, sliding connection between interior pole and the outer pole.
10. The high school english comparison inquiry unit of claim 1, characterized by: spacing one side rigid coupling of keeping away from regulating plate (12) in strip (11) has the magnet piece, adopt magnetism to be connected between magnet piece and magnet strip (9), sliding connection between magnet piece and bottom plate (15), the width of magnet piece is less than magnet strip (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120105628.3U CN214475819U (en) | 2021-01-15 | 2021-01-15 | High school english contrast inquiry unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120105628.3U CN214475819U (en) | 2021-01-15 | 2021-01-15 | High school english contrast inquiry unit |
Publications (1)
Publication Number | Publication Date |
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CN214475819U true CN214475819U (en) | 2021-10-22 |
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ID=78139661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120105628.3U Expired - Fee Related CN214475819U (en) | 2021-01-15 | 2021-01-15 | High school english contrast inquiry unit |
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CN (1) | CN214475819U (en) |
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2021
- 2021-01-15 CN CN202120105628.3U patent/CN214475819U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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