CN109050830A - A kind of drowning self-rescuing device - Google Patents
A kind of drowning self-rescuing device Download PDFInfo
- Publication number
- CN109050830A CN109050830A CN201811125282.2A CN201811125282A CN109050830A CN 109050830 A CN109050830 A CN 109050830A CN 201811125282 A CN201811125282 A CN 201811125282A CN 109050830 A CN109050830 A CN 109050830A
- Authority
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- China
- Prior art keywords
- gas
- heat generating
- electric control
- control gear
- generating device
- 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.)
- Pending
Links
- 206010013647 Drowning Diseases 0.000 title claims abstract description 28
- 239000003814 drug Substances 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 5
- 229940079593 drug Drugs 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 230000009182 swimming Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 that is Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist
- B63C9/15—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist having gas-filled compartments
- B63C9/155—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist having gas-filled compartments inflatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention belongs to self-help apparatus technical fields, provide a kind of drowning self-rescuing device.It include: resilient protection shell；Medicine and check valve occur for gas generating assembly, including liner, heat generating device, gas；Air bag is set in resilient protection shell；Air bag opening is sealingly fastened in inner bladder outer wall, and inside is connected to check valve；Electric control gear is electrically connected with heat generating device, for starting heat generating device fever.The present invention controls heat generating device fever by starting electric control gear, and the gas in heating inner liner accommodating chamber occurs medicine in combustion chambers burn, makes gas that medicine occur and quickly generate bulk gas, entered in air bag by check valve, it expands air bag rapidly, forms a balloon, human body is driven to emerge.Compact of the present invention, easy to carry, the life security after user can be protected drowned.
Description
Technical field
The invention belongs to self-help apparatus technical field more particularly to a kind of drowning self-rescuing devices.
Background technique
Summer arrive, many teenagers can be lauched swimming, but make us startling, summer especially summer vacation when
Section, news can all report the drowned sad news of teenager.Therefore, how to ensure that safety when teenager's swimming just becomes one
Urgent problem.
In addition, many times, neglectful can fall into the water, if be not able to swim or encounter other special circumstances,
It often will cause the generation of tragedy.
Therefore, people be badly in need of it is a kind of it is portable it is drowned after self-help apparatus, cannot be ensured for solving when falling into the water
Inherently safe and not readily portable technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of drowning self-rescuing devices, it is intended to which solution cannot ensure itself when falling into the water
Safe and not readily portable technical problem.
To achieve the above object, the present invention provides a kind of drowning self-rescuing device, comprising: resilient protection shell；
Medicine and check valve occur for gas generating assembly, including liner, heat generating device, gas；The liner top is divided into combustion
Room is burnt, lower part, which is set up separately, is set to an accommodating chamber, and the accommodating chamber memory is placed with the gas and medicine occurs；The combustion chamber top is equipped with
Through-hole, the through-hole sealing are fixed with the check valve to match with the through-hole；The airflow direction of the check valve is logical
To outside the liner；
Air bag is set in the resilient protection shell；The air bag opening is sealingly fastened in the inner bladder outer wall, internal
It is connected to the one-way valve inlet；
Electric control gear is electrically connected with the heat generating device, for starting the heat generating device fever.
Preferably, the electric control gear includes power supply and button switch；The power supply passes through conducting wire and the heat generating device
Electrical connection；The button switch is set on conducting wire, for controlling the opening and closing of the heat generating device electrical connection.
It preferably, further include hydraulic pressure sensor and single-chip microcontroller；The hydraulic pressure sensor and the single-chip microcontroller with the electricity
Device electrical connection is controlled, for experiencing hydraulic pressure after a certain period of time when the hydraulic pressure sensor, the electricity is controlled by the single-chip microcontroller
Control device starting.
Preferably, the button switch uses water-proofing treatment.
Preferably, the liner is metal liner.
Preferably, gas filtration room is provided in the combustion chamber；The gas filtration room is connected to the check valve.
Preferably, indicator light is provided on the outside of the electric control gear.
It preferably, further include audible alarm unit, the audible alarm unit is electrically connected with the electric control gear.
Preferably, it is provided with GPS positioning device in the resilient protection shell, described in starting when the electric control gear
Current location information is periodically sent out after heat generating device.
It preferably, further include dismountable bracelet part, the resilient protection outer side of shell and the bracelet part are detachably solid
Fixed connection.
The present invention has the following beneficial effects: controlling hair by starting electric control gear when accidentally falling into the water
Thermal is generated heat, and medicine occurs for the gas in heating inner liner accommodating chamber in combustion chambers burn, is made gas that medicine occur and is quickly generated greatly
Gas is measured, is entered in air bag by check valve, expands air bag rapidly, forms a balloon, human body is driven to emerge.This hair
Bright compact, easy to carry, the life security after user can be protected drowned.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the whole the schematic diagram of the section structure of drowning self-rescuing device provided by the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
In order to solve cannot to ensure inherently safe and not readily portable technical problem when falling into the water.
To achieve the above object, the present invention provides a kind of drowning self-rescuing device, referring to Fig. 1, first, comprising: resilient protection
Shell 1.
It should be noted that resilient protection shell 1 has the effect of waterproof, when falling into the water or swimming in the water, can protect
Device inside shield is not by water erosion.In addition, resilient protection shell 1 can carry out swollen with air bag 2 when 2 inflation of air bag
It is swollen, at this point, resilient protection shell 1 can protect air bag 2 not marked opening easily by foreign object, play the function for preventing gas leakage
Energy.
It on the other hand, further include gas generating assembly (not shown), comprising: liner 4, heat generating device 5, gas referring to Fig. 1
Medicine 6 and check valve 3 occurs；4 top of liner is divided into combustion chamber 7, and lower part, which is set up separately, is set to an accommodating chamber (not shown), and accommodating chamber is (not
Show) memory be placed with gas occur medicine 6；7 top of combustion chamber be equipped with through-hole (not shown), through-hole (not shown) sealing be fixed with
The check valve 3 that through-hole (not shown) matches；The airflow direction of check valve 3 is to lead to outside liner 4.
Wherein, the chemicals that medicine 6 generates bulk gas using conventional solid heating occurs for gas, passes through heat generating device
5, which are heated, to chemically react, and quickly generate bulk gas and are full of in combustion chamber 7, then pass through the through-hole of combustion chamber 7 (not
Show) enter check valve 3, hence into air bag 2, making 2 rapid expanding of air bag.
Wherein, heat generating device 5 is generally automatically controlled heat generating device, is located at 7 lower section of combustion chamber or medicine 6 occurs located immediately at gas
It is interior.
In addition, liner 4 uses the higher material of toughness, will not be crowded in the gas of the even entire liner 4 in combustion chamber 7
It bursts.
On the other hand, referring to Fig. 1, further include air bag 2, be set in resilient protection shell 1；The opening sealing of air bag 2 is fixed
In 4 outer wall of liner, inside is connected to check valve 3.
It should be noted that air bag of the air bag 2 using the conventional prior art, can rapid expanding to a certain extent without broken
It splits.
In addition, the entire circle sealing in the opening portion of air bag 2 is fixed on the outer wall of liner 4, it is however generally that, outside liner 4
Wall can be equipped with the groove (not shown) that a trap is closed, and the opening portion of air bag 2 seals in filling and groove (not shown), it is ensured that
It is firm to connect.
It is open at sealing in addition, check valve 3 is located at air bag 2 in the confined space of the formation of liner 4, therefore, gas can lead to
Check valve 3 is crossed to enter in air bag 2 without leaking.
On the other hand, referring to Fig. 1, further include electric control gear 9, be electrically connected with heat generating device 5, for starting heat generating device 5
Fever.
Wherein, electric control gear 9 is fixed on 4 lower section of liner and is set in resilient protection shell 1, prevents from leaking electricity；Or automatically controlled dress
9 are set using being fixedly connected again with liner part after waterproofing design, electric control gear 9 can be set to outside resilient protection shell 1 at this time.
In addition, electric control gear 9 is electrically connected with heat generating device 5, send out heat generating device 5 for providing electricity for heat generating device 5
So as to cause gas the heated quickly generation bulk gas of medicine 6 occurs for heat.
It should be noted that combustion chamber 7 is equipped with a connecting pipe (being not shown, similarly hereinafter), the end of communicating pipe is set to automatically controlled
The junction of device 9 and resilient protection shell 1；Communicating pipe is equipped with a valve (being not shown, similarly hereinafter), and valve is located at combustion chamber 7
One end be equipped with pressure sensor (being not shown, similarly hereinafter), when the pressure that pressure sensor is experienced be more than preset threshold value when, valve
Door is opened, first is that extra gas can be discharged by communicating pipe；Second is that can be set colored smoke occur medicine (be not shown,
Similarly hereinafter), when the valve is open, it takes colored smog out of, warning prompt is made to user.
In another specific embodiment, referring to Fig. 1, electric control gear 9 includes power supply (not shown) and button switch 10.Power supply
(not shown) is electrically connected by conducting wire 11 with heat generating device 5；Button switch 10 is set on conducting wire 11, for controlling heat generating device
The opening and closing of 5 electrical connections.
Wherein, power supply (not shown) is connected to heat generating device 5 by conducting wire 11, provides electric power for sending out for heat generating device 5
Heat.Button switch 10 is set on conducting wire 11, it is however generally that, folding condition is in when button switch 10 is usual, when drowned or place
When emergency, presses button switch 10 and power supply (not shown), conducting wire 11 and heat generating device 5 is made to be in closing for circuit circulation
Conjunction state, to start heat generating device 5.
It further include hydraulic pressure sensor (not shown) and single-chip microcontroller (not shown) in another specific embodiment；Hydraulic pressure sensing
Device (not shown) and single-chip microcontroller (not shown) are electrically connected with electric control gear 9, for experiencing water when hydraulic pressure sensor (not shown)
Pressure after a certain period of time, controls electric control gear 9 by single-chip microcontroller (not shown) and starts.
It should be noted that, by hitting to lose consciousness, oneself cannot be opened after many times drowning person falls into the water
Dynamic electric control gear 9.Therefore, hydraulic pressure sensor (not shown) experiences hydraulic pressure and shows that user has drowned and lost after a certain period of time
It goes consciousness or in other rough sledding, hydraulic pressure sensor (not shown) issues signal to single-chip microcontroller (not shown), and single-chip microcontroller is (not
Show) receive signal after start electric control gear 9 automatically, generate heat to continue automatic starting heat generating device 5.
Wherein, the minimum threshold that hydraulic pressure sensor (not shown) experiences hydraulic pressure can be preset, and the one of hydraulic pressure is experienced
The fixed time can also preset.
In another specific embodiment, referring to Fig. 1, button switch 10 uses water-proofing treatment.
In general, the exterior portion that button switch 10 is located at apparatus of the present invention is adopted in the state easily contacted with water
Water can be prevented to enter device with waterproofing design causes to damage.
In another specific embodiment, referring to Fig. 1, liner 4 is metal liner.
Wherein, the material of metal liner is generally aluminum products or steel part, can preferably prevent from quickly generating a large amount of
Liner 4 is washed in the air pressure that gas generates open, so that safety is higher.
In another specific embodiment, referring to Fig. 1, gas filtration room 8 is provided in combustion chamber 7；Gas filtration room 8 and institute
State the connection of 3 entrance of check valve.
It should be noted that the air-flow rapidly to circulate will drive during the heated generation bulk gas of medicine 6 occurs for gas
Gas occurs 6 powder of medicine and leads in air bag.Therefore a gas filtration room 8, which is arranged, can be prevented from the gas generation blocking of medicine 6
Check valve 3；It stays in combustion chamber 7 second is that making gas that medicine 6 occur adequately by thermal response, generates more gases.
Particularly, air bag 2 is made of the PU material of 0.1mm.
Wherein, PU material, that is, polyurethane material is a kind of high-molecular organic material, has high resilience outstanding, PU material
High resilience be that current all elastic fiber is all incomparable, its elongation at break is greater than 400%, reaches as high as
800%, even if springing back response rate still 95% or more in 300% tensile deformation；There is excellent tensile strength simultaneously, resist
Tearing strength, when being used for air bag, so that air bag 2 will not rupture gas leakage after rapid expanding, it is ensured that the safety of drowning person.
It should be noted that the size design of air bag 2 not will lead to after gas generation medicine 6 is all thermally generated gas
Air bag 2 is burst by gas while the moving body of energy band floats.
In another specific embodiment, referring to Fig. 1, indicator light 12 is provided on the outside of electric control gear 9.
Wherein, it is however generally that, the light color that indicator light 12 issues is red, is had the effect of eye-catching.When drowning person starts
When electric control gear 9, circuit forms a closed circuit, and indicator light 12 issues red light, finds drowning person convenient for rescue worker.
It further include audible alarm unit (not shown), audible alarm unit is (in figure not in another specific embodiment
Show) it is electrically connected with electric control gear 9.
It should be noted that audible alarm unit (not shown) continuous or intermittent can make a sound, it is special
Other, the sound recorded in advance can be set to the relevant language of emergency.When drowning person starts electric control gear 9, circuit forms one
A closed circuit, audible alarm unit (not shown) make a sound, and find drowning person convenient for rescue worker.
It should be noted that the alarm of indicator light 12 is first passed through when self-help apparatus provided by the invention is activated, after
And alarmed by sound and signal (such as SOS signal), a possibility that search and rescue successfully of drowning person is improved to greatest extent.
In another specific embodiment, it is provided with GPS positioning device (not shown) in resilient protection shell 1, is used for
Current location information is periodically sent out after electric control gear 9 starts heat generating device 5.
Wherein, GPS positioning device (not shown) can be sent out current location information, or can preset to specific
Equipment sends current location, and particularly, each GPS positioning device (not shown) of the invention has a unique volume
Code.After drowning person, which falls into the water, to float up, it is possible to can constantly be moved with water flow, greatly increase the tired of search and rescue
Difficulty, therefore GPS positioning device (not shown) can be convenient rescue worker to search and rescue drowning person.
In another specific embodiment, it further include dismountable bracelet part (not shown), outside resilient protection shell 1
Side is detachably fixed with bracelet part (not shown) and connect.
It should be noted that a dismountable bracelet part (not shown) can be set, for being fixed on user
Wrist or arm on.The drowning self-rescuing device of the various technical solutions provided in above-mentioned specific embodiment is detachably fixed again
It in wrist or arm, is convenient for carrying, while using the device in rear replaceable resilient protection shell 1, being reused.
In addition, the bottom end of resilient protection shell 1 is provided with a lanyard 13, it is easy to carry.
The present invention has the following beneficial effects: controlling hair by starting electric control gear when accidentally falling into the water
Thermal is generated heat, and medicine occurs for the gas in heating inner liner accommodating chamber in combustion chambers burn, is made gas that medicine occur and is quickly generated greatly
Gas is measured, is entered in air bag by check valve, expands air bag rapidly, forms a balloon, human body is driven to emerge.This hair
Bright compact, easy to carry, the life security after user can be protected drowned.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of drowning self-rescuing device characterized by comprising resilient protection shell；
Medicine and check valve occur for gas generating assembly, including liner, heat generating device, gas；The liner top is divided into combustion chamber,
Lower part, which is set up separately, is set to an accommodating chamber, and the accommodating chamber memory is placed with the gas and medicine occurs；The combustion chamber top is equipped with through-hole,
The through-hole sealing is fixed with the check valve to match with the through-hole；The airflow direction of the check valve is described to lead to
Outside liner；
Air bag is set in the resilient protection shell；The air bag opening is sealingly fastened in the inner bladder outer wall, internal and institute
State check valve connection；
Electric control gear is electrically connected with the heat generating device, for starting the heat generating device fever.
2. drowning self-rescuing device as described in claim 1, which is characterized in that the electric control gear includes that power supply and button are opened
It closes；The power supply is electrically connected by conducting wire with the heat generating device；The button switch is set on conducting wire, described for controlling
The opening and closing of heat generating device electrical connection.
3. drowning self-rescuing device as described in claim 1, which is characterized in that further include hydraulic pressure sensor and single-chip microcontroller；It is described
Hydraulic pressure sensor and the single-chip microcontroller are electrically connected with the electric control gear, for when the hydraulic pressure sensor, to experience hydraulic pressure certain
After time, the electric control gear is controlled by the single-chip microcontroller and is started.
4. drowning self-rescuing device as claimed in claim 2, which is characterized in that the button switch uses water-proofing treatment.
5. drowning self-rescuing device as described in claim 1, which is characterized in that the liner is metal liner.
6. drowning self-rescuing device as described in claim 1, which is characterized in that be provided with gas filtration room in the combustion chamber；
The gas filtration room is connected to the one-way valve inlet.
7. drowning self-rescuing device as described in claim 1, which is characterized in that be provided with indicator light on the outside of the electric control gear.
8. drowning self-rescuing device as described in claim 1, which is characterized in that it further include audible alarm unit, the sound report
Alarm device is electrically connected with the electric control gear.
9. drowning self-rescuing device as described in claim 1, which is characterized in that it is fixed to be provided with GPS in the resilient protection shell
Position device, for being periodically sent out current location information after the electric control gear starts the heat generating device.
10. drowning self-rescuing device as described in any one of claim 1 to 9, which is characterized in that further include dismountable bracelet
Part, the resilient protection outer side of shell are detachably fixed with the bracelet part and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125282.2A CN109050830A (en) | 2018-09-26 | 2018-09-26 | A kind of drowning self-rescuing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125282.2A CN109050830A (en) | 2018-09-26 | 2018-09-26 | A kind of drowning self-rescuing device |
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| Publication Number | Publication Date |
|---|---|
| CN109050830A true CN109050830A (en) | 2018-12-21 |
Family
ID=64766029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125282.2A Pending CN109050830A (en) | 2018-09-26 | 2018-09-26 | A kind of drowning self-rescuing device |
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| Country | Link |
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| CN (1) | CN109050830A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955809A (en) * | 2020-08-24 | 2020-11-20 | 安徽高梵电子商务有限公司 | Dual-purpose convenient down jacket and processing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955809A (en) * | 2020-08-24 | 2020-11-20 | 安徽高梵电子商务有限公司 | Dual-purpose convenient down jacket and processing technology |
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