CN211642961U - Sealed package group - Google Patents
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- CN211642961U CN211642961U CN202020158659.0U CN202020158659U CN211642961U CN 211642961 U CN211642961 U CN 211642961U CN 202020158659 U CN202020158659 U CN 202020158659U CN 211642961 U CN211642961 U CN 211642961U
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Abstract
The utility model provides a sealed package group, including a plurality of independent packaging of making by the composite packaging material, the composite packaging material that independent packaging adopted has the basic unit from inside to outside, printing layer and waterproof layer, independent packaging has packing attachment and sign, the packing attachment is glued on independent packaging by the viscose, the sign top has the shielding layer, and two liang of differences of sign, the viscose is located the sign top, cohesion between viscose and the waterproof layer is greater than the waterproof layer and shelters from the cohesion between the layer, and cohesion between viscose and the packing attachment is greater than the waterproof layer and shelters from the cohesion between the layer. The utility model discloses a sealed package group is when getting rid of the packing attachment, and the waterproof layer of sign top can separate with the shielding layer under the effect of viscose, makes the consumer can directly strike off the shielding layer, has avoided because the cover of waterproof layer and for striking off the extra hindrance that the shielding layer brought.
Description
Technical Field
The utility model relates to a sealed packing group especially relates to a sealed packing group for liquid beverage packing.
Background
Liquid foods, such as milk, yogurt, and semi-liquid foods, such as fruit juices, are commonly sold in small volume packaging containers. Such packaging containers are formed from a continuous web of packaging material which may be slit to form blanks or sealed longitudinally to form a tube of packaging material, which is then sealed to form a shape while being filled with the contents, and finally folded into the shape of the final package at a folding station. For liquid or semi-liquid food products, current packaging containers are made of a paper-based composite packaging material having a paper fiber core surrounded by one or more layers of barrier material, such as a polymer coating and/or a metal film, to obtain a composite packaging material. The barrier material serves to protect the core material from contact with the contained product and also to protect the product from the gases and moisture surrounding the packaging container.
The composite packaging material has a plurality of units for forming individual packages, which can be directly filled from a material roll of the composite packaging material to form a sealed package group; the web of composite packaging material may also be slit into sheets or groups of sheets, each sheet being a unit forming individual sealed packages, from which sheets are filled and formed into finished groups of sealed packages. In the coiled material filling equipment, a composite packaging material coil is firstly coiled and placed on a filling machine, is sterilized, is gradually formed into a cylindrical material barrel through each stage of forming mechanism, and then is firmly sealed together at the longitudinal two sides of the material barrel when passing through a longitudinal sealing mechanism, namely the material barrel is longitudinally sealed. Liquid such as milk, beverage and the like is guided to the inner space of the material cylinder which is longitudinally sealed through a vertical material filling pipe, then a transverse sealing mechanism of the filling equipment transversely seals the material cylinder at regular intervals, namely, the material cylinder is transversely sealed at the transverse sealing position, and the material cylinder is divided into independent sealed packages after transverse sealing. Common sealing packages in the market generally comprise a bag-shaped pillow package (which is not required to be shaped after being transversely sealed and cut) or a box-shaped brick package (which is shaped after being transversely sealed and cut) according to the shape of a container. In sheet-filling plants, the packaging material is not a web but a group of sheets preformed from a composite packaging material, each sheet being a unit for forming individual packages, which is pre-folded into a tube shape and each sheet is longitudinally sealed already before filling, worked in the form of a paper tube, bottom-sealed and top-sealed in a filling machine and then formed into a sealed package group.
In the production stage of the composite packaging material, marks can be sprayed and printed on each packaging unit, the marks are different in pairs and can be used for cashing, integrating or anti-counterfeiting, tracing and the like, and usually the marks can be sprayed and printed before the waterproof layers of the composite packaging material are compounded. In order to avoid stealing and scanning, one mode is to arrange a shielding layer above the mark after the mark is sprayed and printed, and consumers can only scrape the shielding layer to scan the mark after purchasing. But because the shielding layer is positioned below the waterproof layer of the composite packaging material, the existence of the waterproof layer brings inconvenience to consumers in scraping the shielding layer.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a can solve the sealed package group of above-mentioned problem, when not influencing the secret effect of sign, the consumer of being convenient for is more convenient and fast's scanning sign.
According to an aspect of the utility model, a sealed package group is provided, including a plurality of independent packaging of making by the composite packaging material, the composite packaging material that independent packaging adopted has the basic unit from inside to outside, printing layer and waterproof layer, independent packaging has packing attachment and sign, the packing attachment is glued on independent packaging by the viscose, the sign top has shielding layer, and two liang of differences of sign, a serial communication port, the viscose is located the sign top, cohesion between viscose and the waterproof layer is greater than the waterproof layer and shields the cohesion between the layer, and cohesion between viscose and the packing attachment is greater than the waterproof layer and shields the cohesion between the layer.
According to the utility model discloses a preferred embodiment, shelter from the layer including sheltering from the sublayer and being located the loose sublayer of sheltering from the sublayer top, the area of loose sublayer is not less than the area of sheltering from the sublayer.
According to the utility model discloses a preferred embodiment, the sign top still has the protective layer, and the area of protective layer is not less than the area of sign.
According to the utility model discloses a preferred embodiment still has the closing layer between sign and the protective layer, and the area of closing layer is greater than the area of protective layer and/or shielding layer, and the area of closing layer is less than the area of waterproof layer.
According to the utility model discloses a preferred embodiment, cohesion between waterproof layer and the loose sublayer is less than the loose sublayer and shelters from the cohesion between the sublayer, and is less than and shelters from the cohesion between sublayer and the sign to waterproof layer and loose sublayer separation when external force acts on packing attachment or viscose.
According to the utility model discloses a preferred embodiment, cohesion between waterproof layer and the loose sublayer is less than the loose sublayer and shelters from the cohesion between the sublayer, and is less than and shelters from the cohesion between sublayer and the protective layer, and is less than the cohesion between protective layer and the sign to waterproof layer and loose sublayer separation when external force acts on packing attachment or viscose.
According to the utility model discloses a preferred embodiment, cohesion between waterproof layer and the loose sublayer is less than the loose sublayer and shelters from the cohesion between the sublayer, and is less than the cohesion of sheltering from between sublayer and the protective layer, and is less than the cohesion between protective layer and the closed bed, and is less than the cohesion between closed bed and the sign, and is less than the cohesion between closed bed and the waterproof layer to waterproof layer and loose sublayer separation when external force acts on packing attachment or viscose.
According to the utility model discloses a preferred embodiment, the loose sublayer and shelter from cohesion between the sublayer and be less than the cohesion between waterproof layer and the loose sublayer, and be less than and shelter from cohesion between sublayer and the sign to shelter from sublayer and loose sublayer separation when external force acts on packing attachment or viscose.
According to the utility model discloses a preferred embodiment, the loose sublayer and shelter from cohesion between the sublayer and be less than the cohesion between waterproof layer and the loose sublayer, and be less than and shelter from cohesion between sublayer and the protective layer, and be less than the cohesion between protective layer and the sign to shelter from sublayer and loose sublayer separation when external force acts on packing attachment or viscose.
According to the utility model discloses a preferred embodiment, the loose sublayer and the cohesion that shelters from between the sublayer are less than the cohesion between waterproof layer and the loose sublayer, and are less than the cohesion of sheltering from between sublayer and the protective layer, and are less than the cohesion between protective layer and the closed bed, and are less than the cohesion between closed bed and the sign, and are less than the cohesion between closed bed and the waterproof layer to shelter from sublayer and loose sublayer separation when external force acts on packing attachment or viscose.
According to the utility model discloses a preferred embodiment, still have the protective layer between sign and the shielding layer, the area of protective layer is not less than the area of sign and/or shielding layer.
According to the utility model discloses a preferred embodiment still has the closing layer between sign and the protective layer, and the area of closing layer is greater than the area of protective layer and/or shielding layer, and the area of closing layer is less than the area of waterproof layer.
According to the utility model discloses a preferred embodiment, the cohesion between protective layer and the shielding layer is greater than the cohesion between waterproof layer and the shielding layer.
According to a preferred embodiment of the invention, the marking and shielding layer is located between the printing layer and the waterproof layer.
According to the utility model discloses a preferred embodiment, shielding layer is whole or the part mark that shelters from, and when shielding layer part sheltered from the mark, the mark can not be discerned the part that is not sheltered from.
According to a preferred embodiment of the invention, the shielding layer is an ink layer printed with at least one layer.
According to a preferred embodiment of the invention, the base layer is paper-based.
The utility model discloses a sealed package group can provide better secret effect to secret sign, facilitates when getting rid of sheltering from to the sign simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a perspective view of a certain sealed package in a sealed package group according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a composite packaging material at the glue position of a sealed package according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a composite packaging material at the glue position of a sealed package according to another embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a composite packaging material at the glue position of a sealed package according to another embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a composite packaging material for sealing and packaging adhesive according to still another embodiment of the present invention.
Reference numerals
11-base layer 12-print layer 13-logo
14-barrier layer 14 a-bulk sub-layer 14 b-barrier sub-layer
15-protective layer 16-sealing layer 17-waterproof layer
18-viscose 19-packaging bag 20-package
Detailed Description
The following description of the preferred embodiments of the present invention will further illustrate the technical means taken to achieve the objects of the present invention.
Fig. 1 is a perspective view of an individual package in an individual package group according to an embodiment of the present invention. Fig. 2 is a schematic cross-sectional view of a single-package composite packaging material with adhesive applied to the single package according to an embodiment of the present invention. The utility model discloses an individual packaging group includes a plurality of individual packages of making by composite packaging material, and composite packaging material includes basic unit 11, printing layer 12 and waterproof layer 17 from inside to outside, and basic unit 11 adopts the paper base usually, and printing layer 12 is the layer of the design pattern or the content such as characters that adopt printing ink printing above basic unit 11. The outermost layer of the individual package is a waterproof layer 17, and the waterproof layer 17 is typically a polyethylene composite layer.
The utility model discloses an have sign 13 on the individual package, sign 13 can spout the seal in the printing of composite packaging material, also can spout the seal after the printing of composite packaging material is accomplished, before compound, can all spout seal sign 13 before waterproof layer 17 is compound in theory. The mark 13 can be any one of a dot code, a bar code, a two-dimensional code and a digital character string or any combination of more than one of the dot code, the bar code, the two-dimensional code and the digital character string, the marks 13 on each single package are different in pairs, and the marks 13 are unique and can be used for cashing, scoring or anti-counterfeiting. In order to avoid the label 13 being stolen, a barrier layer 14 is provided above the label 13 when producing the composite packaging material. The occlusion layer 14 can completely occlude the marking 13; the shielding layer 14 may only partially shield the mark 13, as long as the part of the mark 13 which is not shielded by the shielding layer 14 cannot be read. The mark 13 and the shielding layer 14 are both positioned between the printing layer 12 and the waterproof layer 17, the shielding layer 14 is an ink layer printed at least one layer above the mark 13, the ink layer can be printed by using color ink, such as white ink, black ink and the like, and the shielding layer 14 can present different thicknesses and color shades by adjusting the number of layers and the printing sequence of the white ink and the black ink; the shielding layer 14 can also be printed with silver ink, which is relatively expensive but has a good shielding effect. The masking layer 14 can be scraped away from the indicia 13 to expose and enable the indicia 13 to be read.
The utility model discloses an individual package still has the packing attachment, and the packing attachment can be some small gifts, such as pen, card, toy etc., can also be even only be used for assisting to strike off pull ring, stay cord, pulling-on piece etc. of shielding layer 14, directly pastes on individual package through viscose 18; the package attachment may also be a small tool to assist drinking the package contents or opening the individual packages, as shown in fig. 2, the package attachment comprising a wrapper 20 and a package 19, the wrapper 20 being exemplarily shown as a straw in fig. 2, the straw being sealed in the package 19, the package 19 being in turn glued to the individual package by means of the glue 18. The utility model provides an individual package, set up viscose 18 in sign 13 position waterproof layer 17's top, and cohesion between viscose 18 and the waterproof layer 17 is greater than waterproof layer 17 and shelters from the cohesion between the layer 14, and cohesion between viscose 18 and the wrapping bag 19 is greater than waterproof layer 17 and shelters from the cohesion between the layer 14, if external force acts on when packing attachment or viscose 18, can make sign 13 position waterproof layer 17 with shelter from layer 14 separation, make the consumer can directly strike off and shelter from layer 14, thereby avoid scraping for the hindrance that shelters from layer 14 and bring because waterproof layer 17's protection.
Fig. 3 is a schematic cross-sectional view of the composite packaging material for individually packaging the adhesive at the location of the composite packaging material according to another embodiment of the present invention, which is different from fig. 2 in that a protective layer 15 is further disposed between the mark 13 and the shielding layer 14, the protective layer 15 is used for protecting the mark 13, and it is avoided that the mark 13 is damaged or damaged and cannot be identified due to improper force applied when the shielding layer 14 is scraped. The protective layer 15 is formed of a transparent or translucent chemical solvent, such as varnish, preferably UV varnish. The protective layer 15 forms a smooth, dense film layer after curing of the surface of the logo 13, and in order to sufficiently protect the logo 13, the area of the protective layer 15 is preferably not smaller than the area of the logo 13 and/or the area of the protective layer 15 is preferably not smaller than the area of the shielding layer 14, with the aim that the presence of the protective layer 15 does not allow the shielding layer 14 to directly abut the logo 13. The bonding force between the protective layer 15 and the shielding layer 14 is greater than the bonding force between the waterproof layer 17 and the shielding layer 14, and when an external force acts on the package attachment or the adhesive 18, the waterproof layer 17 can still be separated from the shielding layer 14.
Fig. 4 is a schematic cross-sectional view of a composite packaging material with an adhesive area for individual packaging according to another embodiment of the present invention, and fig. 4 is different from fig. 3 in that a sealing layer 16 is further disposed between the mark 13 and the protective layer 15. The sealing layer 16 is preferably made of an acrylic resin emulsion, which mainly serves to stabilize the layer structure. The area of the sealing layer 16 is preferably larger than that of the protective layer 15 and/or the area of the sealing layer 16 is preferably larger than that of the shielding layer 14, and the area of the sealing layer 16 is smaller than that of the waterproof layer 17, and the shielding layer 14 and the protective layer 15 are wrapped between the sealing layer 16 and the waterproof layer 17 through the combination of the sealing layer 16 and the waterproof layer 17, so that the stability of the combination between the protective layer 15 and the adjacent layer structure is enhanced.
Fig. 5 is a schematic cross-sectional view of a composite packaging material for single packaging of adhesive in accordance with still another embodiment of the present invention, different from the embodiment in fig. 2, the shielding layer 14 of the composite packaging material for single packaging in fig. 5 includes a shielding sub-layer 14b and a bulking sub-layer 14a, the bulking sub-layer 14a is located above the shielding sub-layer 14b, and the area of the bulking sub-layer 14a is not smaller than the area of the shielding sub-layer 14 b. The shielding sublayer 14b can be prepared by the same method as the shielding layer 14, the bulk sublayer 14a generally adopts resin containing silicone oil, and the structure of the bulk sublayer 14a is relatively loose, so that the bonding force between the bulk sublayer 14a and the adjacent shielding sublayer 14b and the bonding force between the bulk sublayer 14a and the waterproof layer 17 are relatively weak.
In the case of the loose sub-layer 14a, the bonding force between the waterproof layer 17 and the loose sub-layer 14a packaged separately may be set to be smaller than the bonding force between the loose sub-layer 14a and the shielding sub-layer 14b, and smaller than the bonding force between the shielding sub-layer 14b and the mark 13, so that the waterproof layer 17 is separated from the loose sub-layer 14a when an external force acts on the package adhesive or the glue 18. If the mark 13 is further provided with a protective layer 15 (refer to fig. 3), the area of the protective layer 15 is not smaller than that of the mark 13, and the bonding force between the waterproof layer 17 and the porous sub-layer 14a is smaller than the bonding force between the porous sub-layer 14a and the shielding sub-layer 14b, and is smaller than the bonding force between the shielding sub-layer 14b and the protective layer 15, and is smaller than the bonding force between the protective layer 15 and the mark 13. If a sealing layer 16 (refer to fig. 4) is further provided between the logo 13 and the protective layer 15, the area of the sealing layer 16 is larger than that of the protective layer 15 and/or the area of the sealing layer 16 is larger than that of the shielding layer 14, and the area of the sealing layer 16 is smaller than that of the waterproof layer 17, and the bonding force between the waterproof layer 17 and the porous sub-layer 14a is smaller than the bonding force between the porous sub-layer 14a and the shielding sub-layer 14b, and smaller than the bonding force between the shielding sub-layer 14b and the protective layer 15, and smaller than the bonding force between the protective layer 15 and the sealing layer 16, and smaller than the bonding force between the sealing layer 16 and the logo 13, and smaller than the bonding force between the. In the above case, the waterproof layer 17 is separated from the bulk layer 14a when an external force is applied to the package attachment or adhesive 18.
In the case that the loose sub-layer 14a exists, the bonding force between the loose sub-layer 14a and the shielding sub-layer 14b can be smaller than the bonding force between the waterproof layer 17 and the loose sub-layer 14a, and smaller than the bonding force between the shielding sub-layer 14b and the mark 13, and the shielding sub-layer 14b is separated from the loose sub-layer 14a when an external force acts on the package attachment or the adhesive 18. If there is a protective layer 15 (refer to fig. 3) above the logo 13, the area of the protective layer 15 is not smaller than that of the logo 13, and the bonding force between the porous sub-layer 14a and the shielding sub-layer 14b is smaller than the bonding force between the waterproof layer 17 and the porous sub-layer 14a, smaller than the bonding force between the shielding sub-layer 14b and the protective layer 15, and smaller than the bonding force between the protective layer 15 and the logo 13. If a sealing layer 16 (refer to fig. 4) is further provided between the logo 13 and the protective layer 15, the area of the sealing layer 16 is larger than the area of the protective layer 15 and/or the area of the sealing layer 16 is larger than the area of the shielding layer 14, and the area of the sealing layer 16 is smaller than the area of the waterproof layer 17, and the bonding force between the porous sub-layer 14a and the shielding sub-layer 14b is smaller than the bonding force between the waterproof layer 17 and the porous sub-layer 14a, and is smaller than the bonding force between the shielding sub-layer 14b and the protective layer 15, and is smaller than the bonding force between the protective layer 15 and the sealing layer 16, and is smaller than the bonding force between the sealing layer 16 and the logo 13, and is. In the above case, the barrier sub-layer 14b is separated from the bulk sub-layer 14a when an external force is applied to the package attachment or adhesive 18.
Further, the bulk sub-layer 14a may be configured to be more porous, and when an external force is applied to the package attachment or the adhesive 18, the bulk sub-layer 14a is broken, and one part is bonded to the waterproof layer 17 and the other part is bonded to the shielding sub-layer 14b, thereby separating the waterproof layer 17 from the shielding sub-layer 14 b.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (17)
1. The utility model provides a sealed package group, includes a plurality of independent packing of making by the composite packaging material, the composite packaging material that independent packing adopted has basic unit, printing layer and waterproof layer from inside to outside, independent packing has packing attachment and sign, the packing attachment is glued by the viscose on the independent packing, the sign top has shielding layer, just two liang of difference of sign, its characterized in that, the viscose is located the sign top, the viscose with cohesion between the waterproof layer is greater than the waterproof layer with shielding layer between the cohesion, just the viscose with cohesion between the packing attachment is greater than the waterproof layer with shielding layer between the cohesion.
2. The sealed packaging set of claim 1, wherein the barrier layer comprises a barrier sublayer and a bulk sublayer located above the barrier sublayer, the bulk sublayer having an area not smaller than the area of the barrier sublayer.
3. The sealed package assembly of claim 2, further comprising a protective layer over the label, the protective layer having an area no less than the area of the label.
4. The sealed package group according to claim 3, wherein a sealing layer is further provided between the logo and the protective layer, the area of the sealing layer is larger than the area of the protective layer and/or the shielding layer, and the area of the sealing layer is smaller than the area of the waterproof layer.
5. The sealed packaging set according to claim 2, wherein the bonding force between the waterproof layer and the bulk layer is smaller than the bonding force between the bulk layer and the shielding layer and smaller than the bonding force between the shielding layer and the label, so that the waterproof layer is separated from the bulk layer when an external force acts on the package attachment or the adhesive.
6. The sealed package group according to claim 3, wherein the bonding force between the waterproof layer and the bulk layer is smaller than the bonding force between the bulk layer and the shielding layer, smaller than the bonding force between the shielding layer and the protective layer, and smaller than the bonding force between the protective layer and the label, so that the waterproof layer is separated from the bulk layer when an external force acts on the package adhesive or the glue.
7. The seal-packaging unit of claim 4, wherein the bonding force between the waterproof layer and the bulk layer is smaller than the bonding force between the bulk layer and the shielding layer, smaller than the bonding force between the shielding layer and the protective layer, smaller than the bonding force between the protective layer and the sealing layer, smaller than the bonding force between the sealing layer and the mark, and smaller than the bonding force between the sealing layer and the waterproof layer, so that the waterproof layer is separated from the bulk layer when an external force acts on the package adhesive or the glue.
8. The sealed packaging set according to claim 2, wherein the bonding force between the bulk layer and the shielding layer is smaller than the bonding force between the waterproof layer and the bulk layer and smaller than the bonding force between the shielding layer and the label, so that the shielding layer is separated from the bulk layer when an external force acts on the package attachment or the adhesive.
9. The sealed packaging group according to claim 3, wherein the bonding force between the bulk layer and the shielding layer is smaller than the bonding force between the waterproof layer and the bulk layer, smaller than the bonding force between the shielding layer and the protective layer, and smaller than the bonding force between the protective layer and the label, so that the shielding layer is separated from the bulk layer when an external force acts on the package attachment or the adhesive.
10. The seal-packaging unit according to claim 4, wherein the bonding force between the bulk layer and the shielding layer is smaller than the bonding force between the waterproof layer and the bulk layer, smaller than the bonding force between the shielding layer and the protective layer, smaller than the bonding force between the protective layer and the sealing layer, smaller than the bonding force between the sealing layer and the mark, and smaller than the bonding force between the sealing layer and the waterproof layer, so that the shielding layer is separated from the bulk layer when an external force acts on the package adhesive or the glue.
11. The sealed packaging group of claim 1, wherein a protective layer is further provided between the sign and the shielding layer, and the area of the protective layer is not less than the area of the sign and/or the shielding layer.
12. The sealed package assembly of claim 11, wherein a sealing layer is further disposed between the label and the protective layer, the sealing layer has an area larger than the protective layer and/or the shielding layer, and the sealing layer has an area smaller than the waterproof layer.
13. The sealed packaging set according to claim 11 or 12, characterized in that the bonding force between the protective layer and the barrier layer is greater than the bonding force between the waterproof layer and the barrier layer.
14. The sealed packaging unit of any one of claims 1 to 12, wherein the logo and the barrier layer are located between the printed layer and the waterproof layer.
15. The sealed packaging unit of any one of claims 1-12, wherein the shielding layer completely or partially shields the indicia, and when the shielding layer partially shields the indicia, the unshielded portion of the indicia is not readable.
16. The sealed packaging set according to any one of claims 1 to 12, characterised in that the barrier layer is an ink layer printed with at least one layer.
17. The sealed packaging set of any of claims 1-12, characterized in that the base layer is paper-based.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020158659.0U CN211642961U (en) | 2020-02-10 | 2020-02-10 | Sealed package group |
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| CN202020158659.0U CN211642961U (en) | 2020-02-10 | 2020-02-10 | Sealed package group |
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| CN211642961U true CN211642961U (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114948A (en) * | 2020-02-10 | 2020-05-08 | 纷美(北京)贸易有限公司 | Sealed package group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114948A (en) * | 2020-02-10 | 2020-05-08 | 纷美(北京)贸易有限公司 | Sealed package group |
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