CN206331692U - A kind of Physical Experiment intellectuality resilience demonstration instrument - Google Patents
A kind of Physical Experiment intellectuality resilience demonstration instrument Download PDFInfo
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- CN206331692U CN206331692U CN201621413629.XU CN201621413629U CN206331692U CN 206331692 U CN206331692 U CN 206331692U CN 201621413629 U CN201621413629 U CN 201621413629U CN 206331692 U CN206331692 U CN 206331692U
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- cabinet
- block
- resilience
- inwall
- intellectuality
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Abstract
The utility model discloses a kind of Physical Experiment with intelligent resilience demonstration instrument, it is related to physics experiment teaching technical field.Physical Experiment intellectuality resilience demonstration instrument, including cabinet, brassboard and guide rail, the bottom of the cabinet inwall is fixedly connected with the bottom of motor by contiguous block, first bevel gear is arranged with the motor output shaft, the bottom of the cabinet inwall is installed with bearing block and guide rod respectively, the inner rotation of the bearing block is connected with screw mandrel, and the screw mandrel is arranged with second bevel gear close to the surface of one end of bearing block.Physical Experiment intellectuality resilience demonstration instrument, the purpose of intelligent demonstration elastic force is reached, teacher's demonstration elastic force is facilitated well, shorten the demonstration time, simultaneously, also achieve and measure elastic force numerical value and the elastic force numerical value progress checking analysis to measurement, student more rapidly, is more intuitively understood the knowledge related to elastic force is grasped, be that the relevant issues of student's solution elastic force are more beneficial.
Description
Technical field
The utility model is related to physics experiment teaching technical field, and specially a kind of Physical Experiment is demonstrated with intelligent elastic force
Instrument.
Background technology
After elastic force refers to that object is deformed upon by external force effect, if removing external force, object can reply the power of original form, it
Direction with make object produce deformation external force it is in opposite direction, because the deformation of object has varied, thus produce elastic force
Also there are a variety of forms, not only plastics, spring etc. can be deformed upon, any object can be deformed upon, and not occurred
The object of deformation be it is non-existent, but with deformation it is obvious, can directly see;Some deformation is quite small, it is necessary to use
Instrument just can be perceived out.
At present, during physics experiment teaching, elastic force lecture experiment is also a more important experiment, and teacher is most
It is that, by carrying out abstract explanation on classroom, student receives difficult, and teaching efficiency is poor, and some teachers also can be by existing
Some resilience demonstration instruments carry out elastic force demonstration, carry out aided education;However, existing resilience demonstration instrument structure is single, can only be artificial
The action effect that is produced to object of demonstration elastic force, do not reach the purpose of intelligent demonstration elastic force and measurement checking elastic force numerical value,
Student can not be made to be better understood from the knowledge related to elastic force is grasped.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of Physical Experiment intelligent resilience demonstration instrument, solution
Structure of having determined is single, the action effect that demonstration elastic force that can only be artificially is produced to object, it is impossible to realize intelligent demonstration elastic force and
The problem of measuring elastic force numerical value.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs:A kind of Physical Experiment intelligence
Change resilience demonstration instrument, including cabinet, brassboard and guide rail, the bottom of the cabinet inwall and the bottom of motor are solid by contiguous block
First bevel gear is arranged with fixed connection, the motor output shaft, the bottom of the cabinet inwall is installed with bearing respectively
Seat and guide rod, the inner rotation of the bearing block are connected with screw mandrel described in screw mandrel and are arranged with the close to the surface of one end of bearing block
Two bevel gears, the second bevel gear is intermeshed with first bevel gear, and the both sides of the cabinet inwall are installed with
Determine block, the bottom of the screw mandrel one end and fixed block away from bearing block is rotated by bearing to be connected, the outer surface of the screw mandrel
Be threaded with elevator, and the side of elevator is fixedly connected with one end of electric expansion bar, the electric expansion bar it is another
One end is fixedly connected with the side of U-shaped card block, and the both sides at the top and bottom of the brassboard offer through hole, and through hole is interior
Surface and the outer surface of guide rod are slidably connected, and company is fixed in the bottom of the brassboard with the bottom of cabinet inwall by testing spring
Connect, jacking block is installed with the top of the brassboard, the top of the cabinet inwall is fixedly connected with the top of guide rail, described
The side of guide rail offers gathering sill, and the side of the inwall of gathering sill and T-shaped sliding block is slidably connected, and the T-shaped sliding block is remote
One end of guide rail is fixedly connected respectively at the both sides of experiment block, and the back side of the experiment block and the side of shadow shield pass through connecting rod
It is fixedly connected, the top of the cabinet inwall and is installed with cushion pad, the both sides of the cabinet inwall between the guide rail
It is fixedly connected with the side of the remote T-shaped sliding block of guide rail by fix bar, the front of the cabinet is provided with transparent glass window, and
Scale is carved with transparent glass window, the front of the cabinet is installed with digital timer, controlling switch and power supply mould respectively
Block, the inside of the cabinet is respectively arranged with photogate and single-chip microcomputer, the controlling switch and photogate
Output end is connected with the input of single-chip microcomputer, and single-chip microcomputer output end respectively with motor, electric expansion bar and digital timing
The input connection of device.
It is preferred that, when the digital timer includes the first digital timer, the second digital timer and three digital meters
Device, the output of the input of first digital timer, the second digital timer and the 3rd digital timer with single-chip microcomputer
End connection.
It is preferred that, the controlling switch includes stretching out controlling switch, extruding controlling switch and resets controlling switch, described to stretch
The output end for going out controlling switch, extruding controlling switch and reset controlling switch is connected with the input of single-chip microcomputer.
It is preferred that, the photogate includes the first photogate and the second photogate, described the
The output end of one photogate and the second photogate is connected with the input of single-chip microcomputer.
It is preferred that, the input of the single-chip microcomputer and the output end of power module are electrically connected with, and the output of power module
End is electrically connected with the input of controlling switch and photogate respectively.
It is preferred that, the bottom of the guide rail is installed with elastic block rubber.
It is preferred that, the both sides of the cabinet inwall are installed with slide rail, and slide rail to slidably connect and mutually fitted with it
The sliding block matched somebody with somebody, side of the sliding block away from slide rail is fixedly connected with side of the elevator away from electric expansion bar.
It is preferred that, it is installed with cabinet handle at the top of the cabinet.
(3) beneficial effect
The utility model provides a kind of Physical Experiment with intelligent resilience demonstration instrument.Possesses following beneficial effect:
(1), the Physical Experiment is with intelligent resilience demonstration instrument, by brassboard, guide rail, experiment spring, motor, electronic stretches
The structures such as contracting bar, experiment block, controlling switch and single-chip microcomputer, have reached the purpose of intelligent demonstration elastic force, have passed through controlling switch point
Other controlled motor and electric expansion bar action, the effect that block is upspring will be tested by realizing experiment spring, so as to reach demonstration bullet
The purpose of power, so facilitates teacher's demonstration elastic force, shortens the demonstration time well, student more rapidly, is more intuitively managed
Solve the knowledge related to elastic force is grasped.
(2), Physical Experiment intellectuality resilience demonstration instrument, during by shadow shield, transparent glass window, scale, digital meter
The structures such as device, photogate, realize measurement elastic force numerical value and the elastic force numerical value to measurement carries out checking analysis, make student
It is better understood from and learns elastic force, is that the relevant issues of student's solution elastic force are more beneficial.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model internal view;
Fig. 3 is the utility model side sectional view;
Fig. 4 is the utility model guide rail structure schematic diagram;
Fig. 5 is the utility model A-A partial enlarged drawings;
Fig. 6 is utility model works theory diagram.
In figure:1 cabinet, 2 brassboards, 3 guide rails, 4 motors, 5 first bevel gears, 6 bearing blocks, 7 guide rods, 8 screw mandrels, 9 second
Bevel gear, 10 fixed blocks, 11 elevators, 12 electric expansion bars, 13 U-shaped card blocks, 14 through holes, 15 experiment springs, 16 jacking blocks, 17
Gathering sill, 18 T-shaped sliding blocks, 19 experiment blocks, 20 shadow shields, 21 cushion pads, 22 fix bars, 23 transparent glass windows, 24 scales, 25
Digital timer, 251 first digital timers, 252 second digital timers, 253 the 3rd digital timers, 26 controlling switches,
261 stretch out controlling switch, 262 extruding controlling switches, 263 reset controlling switches, 27 power modules, 28 photogates, 281
First photogate, 282 second photogates, 29 single-chip microcomputers, 30 elastic block rubbers, 31 slide rails, 32 sliding blocks, 33 machines
Case handle.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-6 are referred to, the utility model provides a kind of technical scheme:A kind of Physical Experiment is demonstrated with intelligent elastic force
Instrument, including cabinet 1, brassboard 2 and guide rail 3, the bottom of the inwall of cabinet 1 are fixedly connected with the bottom of motor 4 by contiguous block, machine
The top of case 1 is installed with cabinet handle 33, and the person of being easy to use of cabinet handle 33 moves and carried the demonstrator, motor 4
First bevel gear 5 is arranged with output shaft, the bottom of the inwall of cabinet 1 is installed with bearing block 6 and guide rod 7, bearing block 6 respectively
Inner rotation be connected with the screw mandrel 8 of screw mandrel 8 and be arranged with second bevel gear 9, second bevel gear close to the surface of one end of bearing block 6
9 are intermeshed with first bevel gear 5, and the both sides of the inwall of cabinet 1 are installed with fixed block 10, and screw mandrel 8 is away from bearing block 6
One end is rotated by bearing with the bottom of fixed block 10 and is connected, and the outer surface thread of screw mandrel 8 is connected with elevator 11, and elevator
11 side is fixedly connected with one end of electric expansion bar 12, and the both sides of the inwall of cabinet 1 are installed with slide rail 31, and slide rail
Matched sliding block 32 is slidably connected on 31, side of the sliding block 32 away from slide rail 31 is with elevator 11 away from electric expansion
The side of bar 12 is fixedly connected, and the other end of electric expansion bar 12 is fixedly connected with the side of U-shaped card block 13, the top of brassboard 2
Through hole 14 is offered with the both sides of bottom, and the outer surface of the inner surface and guide rod 7 of through hole 14 is slidably connected, brassboard 2
Bottom is fixedly connected with the bottom of the inwall of cabinet 1 by testing spring 15, and the coefficient of elasticity of experiment spring 15 is known, experiment
The top of plate 2 is installed with jacking block 16, and the weight of brassboard 2 and fixture block 16 is known, the top of the inwall of cabinet 1 and guide rail
3 top is fixedly connected, and the bottom of guide rail 3 is installed with elastic block rubber 30, can prevent collision of the brassboard 2 to guide rail 3,
Cause the damage of brassboard 2 or guide rail 3, the side of guide rail 3 offers gathering sill 17, and the inwall of gathering sill 17 and T-shaped sliding block
18 side is slidably connected, and the T-shaped one end of sliding block 18 away from guide rail 3 is fixedly connected respectively at the both sides of experiment block 19, tests block
19 back side is fixedly connected with the side of shadow shield 20 by connecting rod, the top of the inwall of cabinet 1 and the fixation between guide rail 3
Cushion pad 21 is installed, cushion pad 21 can reduce impact of the experiment block 19 to cabinet 1, both sides and the guide rail 3 of the inwall of cabinet 1
Side away from T-shaped sliding block 18 is fixedly connected by fix bar 22, and fix bar 22 plays a part of fixed and supporting guide 3, machine
The front of case 1, which is provided with transparent glass window 23, and transparent glass window 23, is carved with scale 24, and the front of cabinet 1 is fixed respectively to pacify
Equipped with digital timer 25, controlling switch 26 and power module 27, digital timer 25 includes the first digital timer 251, the
Two digital timers 252 and the 3rd digital timer 253, the first digital timer 251, the second digital timer 252 and the 3rd
Output end of the input of digital timer 253 with single-chip microcomputer 29 is connected, controlling switch 26 include stretch out controlling switch 261,
Extrude controlling switch 262 and reset controlling switch 263, stretch out controlling switch 261, extruding controlling switch 262 and reset control and open
Input of the output end of pass 263 with single-chip microcomputer 29 is connected, and the inside of cabinet 1 is respectively arranged with photogate 28 and single
Piece machine 29, photogate 28 includes the first photogate 281 and the second photogate 282, the first photoelectricity door
Input of the output end of the photogate 282 of sensor 281 and second with single-chip microcomputer 29 is connected, by shadow shield 20,
The structures such as transparent glass window 23, scale 24, digital timer 25, photogate 28, realize measurement elastic force numerical value and right
The elastic force numerical value of measurement carries out checking analysis, student is better understood from and learn elastic force, is that the correlation of student's solution elastic force is asked
More beneficial, the model SMC62 of single-chip microcomputer 29 is inscribed, the control effect of single-chip microcomputer 29 of the model is good, the input of single-chip microcomputer 29
It is electrically connected with the output end of power module 27, and the output end of power module 27 is sensed with controlling switch 26 and photoelectricity door respectively
Input of the output end of the input electric connection of device 28, controlling switch 26 and photogate 28 with single-chip microcomputer 29 connects
Connect, and input of the output end respectively with motor 4, electric expansion bar 12 and digital timer 25 of single-chip microcomputer 29 is connected, and is passed through
The knots such as brassboard 2, guide rail 3, experiment spring 15, motor 4, electric expansion bar 12, experiment block 19, controlling switch 26 and single-chip microcomputer 29
Structure, has reached the purpose of intelligent demonstration elastic force, has distinguished controlled motor 4 by controlling switch 26 and electric expansion bar 12 is acted,
The effect that block 19 is upspring will be tested by realizing experiment spring 15, so that the purpose of demonstration elastic force has been reached, it is so convenient well
Teacher's demonstration elastic force, shortens the demonstration time, student more rapidly, is more intuitively understood the knowledge related to elastic force is grasped.
In use, first the demonstrator is put into horizontal table top, switched on power by power module 27, user, which presses, to stretch
Go out controlling switch 261, single-chip microcomputer 29 can control electric expansion bar 12 to stretch out, and U-shaped card block 13 blocks brassboard 2, then presses extruding
Controlling switch 262, the meeting of single-chip microcomputer 29 controlled motor 4 is rotated, and elevator 11 is driven U-shaped card block 13, brassboard 2 and experiment block 19
Decline, the meeting extrusion experiment of brassboard 2 spring 15, now, user's observable scale 24, when experiment block 19 reaches precalculated position
When, extruding controlling switch 262 is unclamped, motor 4 stops operating, and user writes down the reading of now scale 24, by this shift value
It is multiplied with the coefficient of elasticity for testing spring 15, subtracts the gravity of brassboard 2 and jacking block 16, you can draws the bullet suffered by experiment block 19
Power numerical value;Then reset switch 263 is pressed, single-chip microcomputer 29 can control electric expansion bar 12 to withdraw, and motor 4 is inverted, and makes elevator
11 return to initial position, now, and experiment block 19 is flipped up, when shadow shield 20 starts to cover the first photogate 281
When, the first digital timer 251 and the second digital timer 252 start timing, when shadow shield 20 is sensed by the first photoelectricity door
During device 281, the first digital timer 251 stops timing, when shadow shield 20 starts to cover the second photogate 282, the
Two digital timers 252 stop timing, and the 3rd digital timer 253 starts timing, thus have recorded three effective times, then
These data are substituted into physical motion formula, the numerical value of the elastic force suffered by experiment block 19 can be calculated, finally by two elastic force numbers
Value carries out com-parison and analysis, and this completes the whole experiment process of the demonstration device.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of Physical Experiment intelligent resilience demonstration instrument, including cabinet (1), brassboard (2) and guide rail (3), its feature exist
In:The bottom of cabinet (1) inwall is fixedly connected with the bottom of motor (4) by contiguous block, on motor (4) output shaft
First bevel gear (5) is arranged with, the bottom of cabinet (1) inwall is installed with bearing block (6) and guide rod (7), institute respectively
The inner rotation for stating bearing block (6) is connected with screw mandrel (8), and the screw mandrel (8) is arranged with close to the surface of one end of bearing block (6)
Second bevel gear (9), the second bevel gear (9) is intermeshed with first bevel gear (5), the both sides of cabinet (1) inwall
Fixed block (10) is installed with, the one end of the screw mandrel (8) away from bearing block (6) and the bottom of fixed block (10) pass through axle
Dynamic connection is forwarded, the outer surface thread of the screw mandrel (8) is connected with elevator (11), and the side of elevator (11) is stretched with electronic
One end of contracting bar (12) is fixedly connected, and the other end of the electric expansion bar (12) is fixedly connected with the side of U-shaped card block (13),
Both sides at the top and bottom of the brassboard (2) offer through hole (14), and inner surface and the guide rod (7) of through hole (14) is outer
Surface is slidably connected;
The bottom of the brassboard (2) is fixedly connected with the bottom of cabinet (1) inwall by testing spring (15), the brassboard
(2) jacking block (16) is installed with the top of, the top of cabinet (1) inwall is fixedly connected with the top of guide rail (3), described
The side of guide rail (3) offers gathering sill (17), and the side of the inwall and T-shaped sliding block (18) of gathering sill (17) is slidably connected,
The one end of the T-shaped sliding block (18) away from guide rail (3) is fixedly connected respectively at the both sides of experiment block (19), the experiment block (19)
The back side be fixedly connected with the side of shadow shield (20) by connecting rod, the top of cabinet (1) inwall and positioned at guide rail (3)
Between be installed with cushion pad (21), the both sides of cabinet (1) inwall and the one of the remote T-shaped sliding block (18) of guide rail (3)
Side is fixedly connected by fix bar (22), and the front of the cabinet (1) is provided with transparent glass window (23), and transparent glass window
(23) scale (24) is carved with;
The front of the cabinet (1) is installed with digital timer (25), controlling switch (26) and power module (27) respectively,
The inside of the cabinet (1) is respectively arranged with photogate (28) and single-chip microcomputer (29), the controlling switch (26) and light
Input of the output end of electric switch sensor (28) with single-chip microcomputer (29) is connected, and single-chip microcomputer (29) output end respectively with electricity
The input connection of machine (4), electric expansion bar (12) and digital timer (25).
2. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The digital meter
When device (25) include the first digital timer (251), the second digital timer (252) and the 3rd digital timer (253), it is described
The input of first digital timer (251), the second digital timer (252) and the 3rd digital timer (253) is and monolithic
The output end connection of machine (29).
3. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The control is opened
Closing (26) includes stretching out controlling switch (261), extruding controlling switch (262) and resets controlling switch (263), described to stretch out control
Switch (261), extruding controlling switch (262) and reset input of the output end of controlling switch (263) with single-chip microcomputer (29)
Connection.
4. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The photoelectricity door
Sensor (28) includes the first photogate (281) and the second photogate (282), the first photoelectricity door sensing
Input of the output end of device (281) and the second photogate (282) with single-chip microcomputer (29) is connected.
5. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The single-chip microcomputer
(29) output end of input and power module (27) is electrically connected with, and the output end of power module (27) is opened with control respectively
The input for closing (26) and photogate (28) is electrically connected with.
6. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The guide rail
(3) bottom is installed with elastic block rubber (30).
7. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The cabinet
(1) both sides of inwall, which are installed with, slidably connects matched sliding block (32) on slide rail (31), and slide rail (31),
Side of the sliding block (32) away from slide rail (31) is fixedly connected with side of the elevator (11) away from electric expansion bar (12).
8. a kind of Physical Experiment according to claim 1 intellectuality resilience demonstration instrument, it is characterised in that:The cabinet
(1) cabinet handle (33) is installed with the top of.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621413629.XU CN206331692U (en) | 2016-12-22 | 2016-12-22 | A kind of Physical Experiment intellectuality resilience demonstration instrument |
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CN201621413629.XU CN206331692U (en) | 2016-12-22 | 2016-12-22 | A kind of Physical Experiment intellectuality resilience demonstration instrument |
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CN201621413629.XU Expired - Fee Related CN206331692U (en) | 2016-12-22 | 2016-12-22 | A kind of Physical Experiment intellectuality resilience demonstration instrument |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107945628A (en) * | 2017-11-09 | 2018-04-20 | 西京学院 | A kind of Physical Experiment system |
CN108451368A (en) * | 2018-04-16 | 2018-08-28 | 丁士美 | A kind of drinking-water machine equipment with lister bag |
CN110164262A (en) * | 2019-06-04 | 2019-08-23 | 华北水利水电大学 | A kind of physics teaching spring force demonstration equipment |
CN112270881A (en) * | 2020-11-29 | 2021-01-26 | 史顺其 | Demonstration teaching aid for electricity experiment of physics of middle school |
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2016
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107945628A (en) * | 2017-11-09 | 2018-04-20 | 西京学院 | A kind of Physical Experiment system |
CN108451368A (en) * | 2018-04-16 | 2018-08-28 | 丁士美 | A kind of drinking-water machine equipment with lister bag |
CN108451368B (en) * | 2018-04-16 | 2020-06-02 | 福建省德鲁士润滑油有限公司 | Water dispenser equipment with drinking water bag |
CN110164262A (en) * | 2019-06-04 | 2019-08-23 | 华北水利水电大学 | A kind of physics teaching spring force demonstration equipment |
CN112270881A (en) * | 2020-11-29 | 2021-01-26 | 史顺其 | Demonstration teaching aid for electricity experiment of physics of middle school |
CN112270881B (en) * | 2020-11-29 | 2023-01-10 | 史顺其 | Demonstration teaching aid for electricity experiment of physics of middle school |
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Granted publication date: 20170714 Termination date: 20181222 |
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