CN110269483A - The air-cooled hygienic spoon of infant - Google Patents
The air-cooled hygienic spoon of infant Download PDFInfo
- Publication number
- CN110269483A CN110269483A CN201910737626.3A CN201910737626A CN110269483A CN 110269483 A CN110269483 A CN 110269483A CN 201910737626 A CN201910737626 A CN 201910737626A CN 110269483 A CN110269483 A CN 110269483A
- Authority
- CN
- China
- Prior art keywords
- spoon
- handle
- air
- battery
- cooled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000013305 food Nutrition 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 235000011950 custard Nutrition 0.000 claims 1
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 210000000214 mouth Anatomy 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G21/00—Table-ware
- A47G21/007—Table-ware with means for keeping food cool or hot
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G21/00—Table-ware
- A47G21/04—Spoons; Pastry servers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G21/00—Table-ware
- A47G2021/008—Table-ware with means for influencing or monitoring the temperature of the food
Abstract
The invention discloses a kind of air-cooled hygienic spoons of infant, comprising: spoon is made of spoon front and spoon handle, and for containing food, spoon handle is provided with air duct and outlet, air duct and outlet for spoon front；Handle is provided with cavity and air inlet, and the front end of handle couples spoon handle, and cavity is connected to air duct；Fan is fixed in the cavity, the wind energy of fan blowout through air duct, outlet output and can food to spoon front it is air-cooled；Battery, installation are powered to fan in the cavity, by conducting wire；Common batteries can be selected in battery or rechargeable battery, common batteries need replacing, and the structure of battery corer of replacement battery can be set in handle, and rechargeable battery can take out external charging, can also plug in handle.Switch K, is fixed on handle, and switch is connected in the circuit of battery and fan.The present invention has beneficial effect that is structurally reasonable, esy to use, safe and reliable, reducing disease infection.
Description
Technical field
The present invention relates to a kind of air-cooled hygienic spoons of infant.
Background technique
Infant is scalded to avoid food temperature excessively high, the cooling food of the mode that alimenter mostly uses mouth to blow；The way
Have following several defects: hygienic issues cannot be guaranteed；The feeding period of child is long；Alimenter is not specified unique；Even if
Alimenter is uniquely, to cannot guarantee that within the feeding period it is healthy；It is thus impossible to which the oral cavity of alimenter is avoided to defend
Life, communicable disease etc. impact infant.
Summary of the invention
The present invention is according to the above deficiency, provide a kind of air-cooled hygienic spoon of infant.
The technical scheme is that
A kind of air-cooled hygienic spoon of infant, comprising:
Spoon is made of spoon front and spoon handle, and spoon front is provided with air duct and goes out for containing food, spoon handle
Mouthful, air duct and outlet；
Handle is provided with cavity and air inlet, and the front end of handle couples spoon handle, and cavity is connected to air duct；
Fan is fixed in the cavity, and the wind energy of fan blowout is through air duct, outlet output and can food wind to spoon front
It is cold；
Battery, installation are powered to fan in the cavity, by conducting wire；Common batteries or rechargeable battery can be selected in battery, commonly
Battery needs replacing, and the structure of battery corer of replacement battery can be set in handle, and rechargeable battery can take out external charging, can also be with
It is plugged in handle.
Switch K, is fixed on handle, and switch is connected in the circuit of battery and fan.
K is turned on the switch, the motor of fan starts turning, and natural wind is successively exported from air inlet through fan, air duct and outlet
It is air-cooled to the food of spoon front, it, will not contaminated food due to not blown out from alimenter mouthful.Air inlet, which can according to need, to be set
Seated position.
Preferably, the spoon detachably couples with handle.
It in order to facilitate the installation of and uses, the handle is passed sequentially through screw thread or crossed to win by drive end bearing bracket, middle section and rear end cap matches
Close connection and sealed by sealing ring, the fan and switch K are located at drive end bearing bracket, and the battery is located at middle section, it is described into
Air port is located at rear end cap, it should be noted that when battery is installed, there are gap, the gas of rear end cap upper air inlet around battery
The gap of battery ambient is flowed through to fan.Rear end cap can be dismantled, and installation battery is facilitated.
One of preferably, the switch K is reset switch, is arranged on drive end bearing bracket.Reset switch can be single
It solely uses, is also possible to cooperate with self-adhesive plastic film, self-adhesive plastic film is pasted onto outside drive end bearing bracket, the drive end bearing bracket in self-adhesive plastic film
Reset switch is installed in aperture in hole, this structure can be with waterproof.Reset switch is relatively simple for structure, and long service life, reset is opened
It closes to touch key, switch is convenient.
Preferably two, the switch K are soft-touch control, which includes:
Ring is touched, for set in drive end bearing bracket, human-induced signal can be acquired by touching ring；
Pcb board is fixed in drive end bearing bracket, and pcb board is equipped with control circuit and is powered by the battery, the control circuit packet
It includes:
Trigger module is equipped with hand and touches flip chip, and the input terminal connection of trigger module touches ring；
Drive module, input terminal connect fan described in the output end of trigger module, output end connection.
Further, further includes:
USB interface is fixed on the side wall of drive end bearing bracket；
DC/DC module is mounted on the PCB, for boosting, the input terminal connection USB interface of DC/DC module, output
The end connection battery, battery is rechargeable battery；
Voltage stabilizing module, input connection rechargeable battery, output end are powered to the trigger module and drive module；
Waterproof plug, can seal USB interface, and waterproof plug couples drive end bearing bracket by thin portion.
Structure charging is convenient, when not charging, seals USB interface with waterproof plug.
The control circuit includes:
Metal-oxide-semiconductor Q1, source electrode ground connection, output end of the drain electrode through the fan connection Voltage stabilizing module；
Hand touches flip chip U3, and model JL223B, 1 foot is through resistance R4 connection metal-oxide-semiconductor Q1 grid, and 2 feet ground connection, 3 feet are successively
Through resistance R8, capacitor C8 be grounded, resistance R8, capacitor C8 public termination described in touch ring；4 feet connect through toggle switch J2 all the way
Connect the output end of Voltage stabilizing module, another way is grounded through toggle switch J4；The output end of 5 feet connection Voltage stabilizing module；6 feet are all the way through dialling
Dynamic switch J3 is grounded, output end of the another way through toggle switch J1 connection Voltage stabilizing module；The output of capacitor C3 connection Voltage stabilizing module
End and ground.
Further include:
Ultraviolet disinfection LED2 and resistance R7, in parallel with the fan after the two series connection, fan rotation LED sterilamp, which is lighted, to disappear
Poison, ultraviolet disinfection LED2 are installed in the cavity, can cavity to the handle and at least partly air duct disinfection.
In order to facilitate disassembly, the front end of the handle is provided with muti-piece card, and the spoon handle is provided with multiple card slots,
When one angle in front end and rotation of spoon handle insertion handle, card can be inserted into card slot, so as to keep spoon removable with handle
Unload connection.
Similarly, the spoon is patched by prosthomere and deutomerite, and deutomerite is provided with two or more inserted links, and prosthomere is provided with
Jack, inserted link can be inserted into jack, and the air duct is provided only on deutomerite, and prosthomere is made of silica gel.
Silica gel carries out high-temperature sterilization after can dismantling, securely and reliably.
The present invention has beneficial effect that is structurally reasonable, esy to use, safe and reliable, reducing disease infection.
Detailed description of the invention
Fig. 1 is explosive view of the invention.
Fig. 2 is overall structure diagram of the invention.
Fig. 3 is the relevant structural schematic diagram of waterproof plug of the present invention.
Fig. 4 is the electrical schematic diagram of reset switch of the present invention control.
Fig. 5 is the electric functional block diagram of trigger module of the present invention control.
Fig. 6 is the electric functional block diagram that the present invention is charged by USB interface and controlled by trigger module.
Fig. 7 is the electrical schematic diagram of the invention controlled by trigger module.
Fig. 8 is spoon of the present invention and handle detachable structure schematic diagram.
Fig. 9 is the prosthomere and deutomerite detachable structure schematic diagram of spoon of the present invention.
Specific embodiment
Now in conjunction with attached drawing, the present invention is further illustrated:
As shown, the technical scheme is that
A kind of air-cooled hygienic spoon of infant, comprising:
Spoon is made of spoon front 11 and spoon handle 12, and for containing food, spoon handle 12 is provided with wind for spoon front 11
Road 121 and outlet 122, air duct 121 are connected to outlet 122；
Handle 2 is provided with cavity and air inlet, and the front end of handle 2 couples spoon handle 12, and cavity is connected to air duct 121；
Fan 3 is fixed in the cavity, and the wind energy that fan 3 is blown out exports through air duct 121, outlet 122 and can be to spoon front 11
Food it is air-cooled；
Battery 5, installation in the cavity, are powered to fan 3；The detaching structure of installation battery 5 is provided on handle 2；
Switch K is fixed on handle 2, and switch is connected in the circuit of battery 5 and fan 3.
Handle 2 is passed sequentially through screw thread or crossed with win from drive end bearing bracket 21, middle section 22 and rear end cap 23 to be coupled and by sealing ring
Sealing, the more convenient disassembly of thread connection, fan 3 and switch K are located at drive end bearing bracket 21, and battery 5 is located at middle section 22, and air inlet is located at
Rear end cap 23.
The first switch solution, switch K are reset switch, are arranged on drive end bearing bracket 21.
Second of switch solution, switch K are soft-touch control, which includes:
Ring 41 is touched, for set in drive end bearing bracket 21, human-induced signal can be acquired by touching ring 41；
Pcb board 42 is fixed in drive end bearing bracket 21, and pcb board 42 is equipped with control circuit and is powered by battery 5, the control circuit
Include:
Trigger module is equipped with hand and touches flip chip, and the input terminal connection of trigger module touches ring 41；
Drive module, input terminal connects the output end of trigger module, output end connects fan 3.
USB interface is fixed on the side wall of drive end bearing bracket 21；
DC/DC module, is mounted on PCB, for boosting, 5 volts of voltages is risen to 7.4 volts, the input terminal connection of DC/DC module
USB interface, output end connect battery 5, and battery 5 is rechargeable battery, and rechargeable battery selects lithium electricity, highest DC voltage 4.2V；It fills
The anode of battery is connected to pcb board 42 through reed, and rear end cap 23 is fixed with electrode slice, and electrode slice, which is fixed with, can contact charging electricity
The helical spring of pond cathode, electrode slice pass through the gap connecting PCB board 42 on rechargeable battery periphery through electrode bar, and rear end cap 23 is in
After 22 thread connections of section, electrode slice automatic switching on electrode bar.
Voltage stabilizing module, input connection rechargeable battery, output end are powered to trigger module and drive module；
Waterproof plug 43, can seal USB interface, and waterproof plug 43 couples drive end bearing bracket 21 by thin portion.
USB interface is the embodiment that can elect function additional member.
Control circuit includes:
Metal-oxide-semiconductor Q1, source electrode ground connection, drain electrode connect the output end of Voltage stabilizing module through fan 3；
Hand touches flip chip U3, and model JL223B, 1 foot is through resistance R4 connection metal-oxide-semiconductor Q1 grid, and 2 feet ground connection, 3 feet are successively
Through resistance R8, capacitor C8 be grounded, resistance R8, capacitor C8 public end in contact touch ring 41；4 feet are steady through toggle switch J2 connection all the way
The output end of die block, another way are grounded through toggle switch J4；The output end of 5 feet connection Voltage stabilizing module；6 feet are stirred out all the way
Close J3 ground connection, output end of the another way through toggle switch J1 connection Voltage stabilizing module；The output end of capacitor C3 connection Voltage stabilizing module and
Ground.
Ultraviolet disinfection LED2 and resistance R7, in parallel with fan 3 after the two series connection, ultraviolet disinfection LED2 is installed in the cavity,
It can cavity to handle 2 and at least partly air duct 121 sterilizes.It should be noted that
Although only giving ultraviolet disinfection LED2 in Fig. 4,7, Fig. 5,6 increase ultraviolet disinfection LED2 are also possible.
The front end of handle 2 is provided with muti-piece card 211, and spoon handle 12 is provided with multiple card slots 123, when spoon handle 12 is inserted into
When one angle in front end and rotation of handle 2, card 211 can be inserted into card slot 123, so as to join spoon and handle 2 detachably
It connects.
Spoon is patched by prosthomere and deutomerite, and deutomerite is provided with two or more inserted links 124, and prosthomere is provided with jack,
Inserted link 124 can be inserted into jack, and air duct 121 is provided only on deutomerite, and prosthomere is made of silica gel.
The present invention can also increase dust-proof, waterproof net in rear end cap 23.
Claims (10)
1. a kind of air-cooled hygienic spoon of infant, characterized in that include:
Spoon is made of spoon front (11) and spoon handle (12), and spoon front (11) are for containing food, spoon handle (12)
It is provided with air duct (121) and outlet (122), air duct (121) are connected to outlet (122)；
Handle (2) is provided with cavity and air inlet, and the front end of handle (2) couples spoon handle (12), cavity and air duct (121)
Connection；
Fan (3) is fixed in the cavity, and the wind energy of fan (3) blowout through air duct (121), outlet (122) output and can exchange
The food of custard front (11) is air-cooled；
Battery (5), installation in the cavity, are powered to fan (3)；
Switch K is fixed on handle (2), and switch is connected in the circuit of battery (5) and fan (3).
2. the air-cooled hygienic spoon of a kind of infant as described in claim 1, characterized in that the spoon and handle (2) are removable
It unloads.
3. the air-cooled hygienic spoon of a kind of infant as described in claim 1, characterized in that the handle (2) is by drive end bearing bracket
(21), middle section (22) and rear end cap (23) pass sequentially through screw thread or cross and win cooperation connection and sealed by sealing ring, the fan
(3) it is located at drive end bearing bracket (21) with switch K, the battery (5) is located at middle section (22), and the air inlet is located at rear end cap
(23).
4. the air-cooled hygienic spoon of a kind of infant as claimed in claim 3, characterized in that the switch K is reset switch,
It is arranged on drive end bearing bracket (21).
5. the air-cooled hygienic spoon of a kind of infant as claimed in claim 3, characterized in that the switch K is soft-touch control, should
Soft-touch control includes:
It touches ring (41), for set in drive end bearing bracket (21), human-induced signal can be acquired by touching ring (41)；
Pcb board (42) is fixed in drive end bearing bracket (21), and pcb board (42) is equipped with control circuit and is supplied by the battery (5)
Electricity, the control circuit include:
Trigger module is equipped with hand and touches flip chip, and the input terminal connection of trigger module touches ring (41)；
Drive module, input terminal connect fan (3) described in the output end of trigger module, output end connection.
6. the air-cooled hygienic spoon of a kind of infant as claimed in claim 5, characterized in that further include:
USB interface is fixed on the side wall of drive end bearing bracket (21)；
DC/DC module is mounted on the PCB, for boosting, the input terminal connection USB interface of DC/DC module, output
The end connection battery (5), battery (5) are rechargeable battery；
Voltage stabilizing module, input connection rechargeable battery, output end are powered to the trigger module and drive module；
Waterproof plug (43), can seal USB interface, and waterproof plug (43) couples drive end bearing bracket (21) by thin portion.
7. the air-cooled hygienic spoon of a kind of infant as claimed in claim 6, characterized in that the control circuit includes:
Metal-oxide-semiconductor Q1, source electrode ground connection, output end of the drain electrode through fan (3) the connection Voltage stabilizing module；
Hand touches flip chip U3, and model JL223B, 1 foot is through resistance R4 connection metal-oxide-semiconductor Q1 grid, and 2 feet ground connection, 3 feet are successively
Through resistance R8, capacitor C8 be grounded, resistance R8, capacitor C8 public termination described in touch ring (41)；4 feet are all the way through toggle switch
The output end of J2 connection Voltage stabilizing module, another way are grounded through toggle switch J4；The output end of 5 feet connection Voltage stabilizing module；6 feet are all the way
Be grounded through toggle switch J3, output end of the another way through toggle switch J1 connection Voltage stabilizing module；Capacitor C3 connection Voltage stabilizing module
Output end and ground.
8. such as a kind of air-cooled hygienic spoon of the described in any item infants of claim 1-7, characterized in that further include:
Ultraviolet disinfection LED2 and resistance R7, in parallel with fan (3) after the two series connection, ultraviolet disinfection LED2 is mounted on cavity
It is interior, it can cavity to the handle (2) and at least partly air duct (121) sterilize.
9. the air-cooled hygienic spoon of a kind of infant as claimed in claim 2, characterized in that the front end of the handle (2) is arranged
Have muti-piece card (211), the spoon handle (12) is provided with multiple card slots (123), when spoon handle (12) insertion handle (2)
When one angle in front end and rotation, card (211) can be inserted into card slot (123), so as to join spoon and handle (2) detachably
It connects.
10. the air-cooled hygienic spoon of a kind of infant as claimed in claim 2, characterized in that the spoon is by prosthomere and deutomerite
It patches, deutomerite is provided with two or more inserted links (124), and prosthomere is provided with jack, and inserted link (124) can be inserted into jack, institute
The air duct (121) stated is provided only on deutomerite, and prosthomere is made of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737626.3A CN110269483B (en) | 2019-08-12 | 2019-08-12 | Air-cooled sanitary spoon for infants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737626.3A CN110269483B (en) | 2019-08-12 | 2019-08-12 | Air-cooled sanitary spoon for infants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110269483A true CN110269483A (en) | 2019-09-24 |
| CN110269483B CN110269483B (en) | 2024-04-12 |
Family
ID=67966068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910737626.3A Active CN110269483B (en) | 2019-08-12 | 2019-08-12 | Air-cooled sanitary spoon for infants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110269483B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1066974U (en) * | 2007-12-24 | 2008-04-01 | Productos Alimenticios Gallo S.L. | Perfected spoon (Machine-translation by Google Translate, not legally binding) |
| CN201708880U (en) * | 2009-12-03 | 2011-01-12 | 特思智能楼宇科技(上海)有限公司 | Touch type button visual indoor extension |
| CN201977430U (en) * | 2011-03-04 | 2011-09-21 | 陈金 | Special spoon for babies |
| CN202161111U (en) * | 2011-08-09 | 2012-03-14 | 马志强 | Spoon with lamp |
| CN204534149U (en) * | 2015-02-28 | 2015-08-05 | 浙江大学 | A kind of head-wearing type intelligent lamp |
| CN204541619U (en) * | 2015-04-23 | 2015-08-12 | 郑勇 | A kind of intelligent heat preserving spoon |
| US20150313394A1 (en) * | 2014-05-03 | 2015-11-05 | Jesus Daniel Vidal | Cooling and Sterilizing Spoon |
| KR20170022677A (en) * | 2015-08-21 | 2017-03-02 | 임흥기 | Spoon to prevent unbalanced diet |
| CN206414110U (en) * | 2016-08-26 | 2017-08-18 | 安徽师范大学皖江学院 | A kind of music spoon with LED |
| CN208625210U (en) * | 2018-06-14 | 2019-03-22 | 深圳市安视达电子科技有限公司 | A kind of spoon with fan |
| CN210227700U (en) * | 2019-08-12 | 2020-04-03 | 金华良 | Air-cooled sanitary spoon for infants |
-
2019
- 2019-08-12 CN CN201910737626.3A patent/CN110269483B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1066974U (en) * | 2007-12-24 | 2008-04-01 | Productos Alimenticios Gallo S.L. | Perfected spoon (Machine-translation by Google Translate, not legally binding) |
| CN201708880U (en) * | 2009-12-03 | 2011-01-12 | 特思智能楼宇科技(上海)有限公司 | Touch type button visual indoor extension |
| CN201977430U (en) * | 2011-03-04 | 2011-09-21 | 陈金 | Special spoon for babies |
| CN202161111U (en) * | 2011-08-09 | 2012-03-14 | 马志强 | Spoon with lamp |
| US20150313394A1 (en) * | 2014-05-03 | 2015-11-05 | Jesus Daniel Vidal | Cooling and Sterilizing Spoon |
| CN204534149U (en) * | 2015-02-28 | 2015-08-05 | 浙江大学 | A kind of head-wearing type intelligent lamp |
| CN204541619U (en) * | 2015-04-23 | 2015-08-12 | 郑勇 | A kind of intelligent heat preserving spoon |
| KR20170022677A (en) * | 2015-08-21 | 2017-03-02 | 임흥기 | Spoon to prevent unbalanced diet |
| CN206414110U (en) * | 2016-08-26 | 2017-08-18 | 安徽师范大学皖江学院 | A kind of music spoon with LED |
| CN208625210U (en) * | 2018-06-14 | 2019-03-22 | 深圳市安视达电子科技有限公司 | A kind of spoon with fan |
| CN210227700U (en) * | 2019-08-12 | 2020-04-03 | 金华良 | Air-cooled sanitary spoon for infants |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110269483B (en) | 2024-04-12 |
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