CN112208174A - Antistatic protective film - Google Patents

Antistatic protective film Download PDF

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Publication number
CN112208174A
CN112208174A CN202011091141.0A CN202011091141A CN112208174A CN 112208174 A CN112208174 A CN 112208174A CN 202011091141 A CN202011091141 A CN 202011091141A CN 112208174 A CN112208174 A CN 112208174A
Authority
CN
China
Prior art keywords
protective film
dustproof
film body
plastic plates
antistatic
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
Application number
CN202011091141.0A
Other languages
Chinese (zh)
Inventor
喻琼
喻南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jinhengsheng New Material Technology Co Ltd
Original Assignee
Dongguan Jinhengsheng New Material Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Jinhengsheng New Material Technology Co Ltd filed Critical Dongguan Jinhengsheng New Material Technology Co Ltd
Priority to CN202011091141.0A priority Critical patent/CN112208174A/en
Publication of CN112208174A publication Critical patent/CN112208174A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B17/00Methods preventing fouling
    • B08B17/02Preventing deposition of fouling or of dust
    • B08B17/04Preventing deposition of fouling or of dust by using removable coverings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/002Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/06Interconnection of layers permitting easy separation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/10Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/12Coating on the layer surface on paper layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/20Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21Anti-static

Abstract

The invention discloses an antistatic protective film, which comprises two plastic plates arranged in parallel, wherein a protective film body is jointly installed between the two plastic plates, a sawtooth line is arranged at the joint of the protective film body and the two plastic plates, a dustproof film is jointly pasted on the upper surfaces of the two plastic plates, the lower surface of the dustproof film is pasted with the upper surface of the protective film body, one end of the dustproof film is fixedly provided with a second shifting piece, a dustproof mechanism is jointly clamped and installed between the two plastic plates, the upper surface of the dustproof mechanism is pasted with the lower surface of the protective film body, and a first shifting piece is fixedly installed at one end, far away from the second shifting piece, of the dustproof mechanism, and the antistatic protective film has the advantages that: carry out the cladding protection to protection film body through dust-proof membrane and dustproof mechanism, can prevent through the dust-proof membrane that the dust from falling to the upper surface of protection film body, can prevent the dust adhesion at the lower surface of protection film body through dustproof mechanism, guarantee protection film body and dust zero contact before the dismouting, improved its dustproof effect greatly.

Description

Antistatic protective film
Technical Field
The invention relates to a protective film, in particular to an antistatic protective film, and belongs to the technical field of protective films.
Background
The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application, along with the popularization of digital products such as mobile phones and the like in China, the protective film has become a general name of a screen protective film slowly, in particular to an antistatic protective film for protecting screens of electronic products, the antistatic film is a winding film for preventing static electricity generated by friction, and the antistatic protective film is widely applied to packaging films of electronics, electric appliances and power transmission and transformation equipment and avoids the damage of the static electricity to the products.
Traditional antistatic protection film does not set up dustproof mechanism in actual use, easily leads to the dust adhesion on the face of membrane before the protection film uses, greatly reduced its dustproof effect, to this, need design an antistatic protection film.
Disclosure of Invention
The invention provides an antistatic protective film which effectively solves the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses an antistatic protective film, which comprises two plastic plates arranged in parallel, wherein a protective film body is jointly arranged between the two plastic plates, a sawtooth line is arranged at the joint of the protective film body and the two plastic plates, a dustproof film is jointly pasted on the upper surfaces of the two plastic plates, the lower surface of the dustproof film is pasted with the upper surface of the protective film body, a second shifting sheet is fixedly installed at one end of the dustproof film, a dustproof mechanism is jointly clamped between the two plastic plates, the upper surface of the dustproof mechanism is pasted with the lower surface of the protective film body, and a first shifting sheet is fixedly installed at one end, far away from the second shifting sheet, of the dustproof mechanism.
As a preferred technical scheme of the invention, the bottom ends of the two plastic plates are fixedly bonded with a viscose plate, and the lower surfaces of the two viscose plates are bonded with a sticker.
As a preferred technical scheme of the invention, the two plastic plates are respectively provided with a clamping groove, and the two ends of the dustproof mechanism which are far away from each other are inserted into the clamping grooves which are arranged in a matched manner and are connected with the clamping grooves in a clamping manner.
As a preferred technical scheme of the invention, the dustproof mechanism comprises a frame body, the frame body is clamped and installed on two plastic plates, and two ends, far away from the plastic plates, of the plastic plates are embedded into clamping grooves which are arranged in a matched mode and are connected with the clamping grooves in a clamped mode.
As a preferable technical solution of the present invention, the frame body is fixedly bonded with a first pick, the frame body is fixedly mounted with dustproof paper, and an upper surface of the dustproof paper is attached to a lower surface of the protective film body.
As a preferable technical solution of the present invention, the dustproof paper includes a base paper, the base paper is fixedly mounted on the frame, and a smooth coating is applied to an upper surface of the base paper.
As a preferred technical scheme of the present invention, the protective film body includes a PET film layer, the PET film layer is located between the dustproof mechanism and the dustproof film, an antistatic coating is coated on an upper surface of the PET film layer, and a release film layer is adhered to a lower surface of the PET film layer.
The invention has the following beneficial effects:
1. the dustproof protective film comprises a protective film body, a plastic plate and a dustproof mechanism, wherein the protective film body is fixed at a position between the dustproof film and the dustproof mechanism through the plastic plate before the protective film body is assembled and disassembled, the protective film body is coated and protected through the dustproof film and the dustproof mechanism, dust can be prevented from falling on the upper surface of the protective film body through the dustproof film, the dust can be prevented from adhering to the lower surface of the protective film body through the dustproof mechanism, zero contact between the protective film body and the dust before use is ensured, and the dustproof effect is greatly improved.
2. The dustproof protective film comprises a plastic plate and a protective film body, wherein the plastic plate is bonded on the frame of a display through a bonding plate when the protective film body is mounted and pasted, the protective film body is aligned with the display screen, a dustproof mechanism is pulled out from between the two plastic plates, the lower surface of the protective film body is ensured to be in contact with the display screen, the protective film body is ensured to be accurately butted with the display screen, the phenomenon that the display screen cannot be completely protected due to error pasting can be avoided, when the protective film body is completely pasted on the display screen, a dustproof film is torn off from the upper surface of the protective film body, fingerprints can be prevented from being left on the upper surface of the protective film body during mounting and pasting, after the plastic plate is torn off from the display, mounting and pasting operations of the protective film body can be completed, and mounting and pasting effects of the plastic.
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 and not to limit the invention. In the drawings:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the structure of the plastic panel of the present invention;
FIG. 4 is a cross-sectional view of a protective film body of the present invention;
FIG. 5 is a schematic structural view of the dust-proof mechanism of the present invention;
fig. 6 is a cross-sectional view of the dust-proof paper of the present invention.
In the figure: 1. a plastic panel; 11. a viscose board; 12. pasting a paper; 13. a card slot; 2. a protective film body; 21. a PET film layer; 22. an antistatic coating; 23. a release film layer; 3. a first plectrum; 4. a dust-proof mechanism; 41. a frame body; 42. dust-proof paper; 421. base paper; 422. a smooth coating; 5. a sawtooth line; 6. a dust-proof film; 7. and a second pick.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-6, the antistatic protective film of the present invention comprises two plastic boards 1 arranged in parallel, a protective film body 2 is commonly installed between the two plastic boards 1, a sawtooth line 5 is arranged at the joint of the protective film body 2 and the two plastic boards 1, a dustproof film 6 is commonly adhered to the upper surfaces of the two plastic boards 1, the lower surface of the dustproof film 6 is adhered to the upper surface of the protective film body 2, a second shifting piece 7 is fixedly installed at one end of the dustproof film 6, a dustproof mechanism 4 is jointly clamped and installed between the two plastic boards 1, the upper surface of the dustproof mechanism 4 is adhered to the lower surface of the protective film body 2, a first shifting piece 3 is fixedly installed at one end of the dustproof mechanism 4 far away from the second shifting piece 7, dust can be prevented from falling on the upper surface of the protective film body 2 through the dustproof film 6, dust can be prevented from adhering to the lower surface of the protective film body 2 through the dustproof mechanism 4, ensure that protection film body 2 is zero contact with the dust before using, its dustproof effect has been improved greatly, bond plastic slab 1 on the frame of display through adhesive plate 11, protection film body 2 aligns with the display screen this moment, handheld first plectrum 3 and to the right side pulling, can pull out dustproof mechanism 4 from between two plastic slabs 1, ensure that the lower surface of protection film body 2 can contact with the display screen, reuse hand presses dust-proof membrane 6, then smooth the laminating with protection film body 2 on the display screen, ensure the accurate butt joint of protection film body 2 and display screen, can avoid appearing wrong laminating and can't form the phenomenon of complete protection to the display screen, its dress subsides effect has been improved greatly.
Wherein, two the bottom of plastic slab 1 is all fixed to bond has a viscose board 11, two the lower surface of viscose board 11 is all pasted and is had a sticker 12, can play the guard action to viscose board 11 through sticker 12, tears sticker 12 back off, is convenient for bond plastic slab 1 on the display frame through viscose board 11, makes things convenient for protection film body 2 and display screen to align, improves the convenience of its state.
Wherein, two all cut a draw-in groove 13 on the plastic slab 1, the both ends that dustproof mechanism 4 kept away from mutually all insert in the draw-in groove 13 that the phase-match set up and be connected rather than the block, install dustproof mechanism 4 block between two plastic slabs 1, be convenient for its dismantlement.
Wherein, dustproof mechanism 4 includes framework 41, just framework 41 block is installed on two plastic slabs 1, the both ends that plastic slab 1 kept away from mutually all imbed in the draw-in groove 13 that the phase-match set up and be connected rather than the block, through the block connection between framework 41 and the draw-in groove 13, ensure that dustproof mechanism 4 stabilizes the centre gripping between two plastic slabs 1, ensure that dustproof mechanism 4 plays stable dustproof guard action to protection film body 2.
Wherein, fixed bonding has first plectrum 3 on the framework 41, fixed mounting has dustproof paper 42 in the framework 41, just the upper surface of dustproof paper 42 and the lower surface laminating of protection film body 2, handheld first plectrum 3 and to the right side pulling can be with framework 41 pull out from two plastic slab 1, be convenient for take out dustproof mechanism 4 from the below of protection film body 2, protection film body 2 can laminate with the display screen this moment.
Wherein, the dustproof paper 42 includes the body paper 421, just body paper 421 fixed mounting is on framework 41, smooth coating 422 has been paintd to the upper surface of body paper 421, through the body paper 421 be convenient for smooth coating 422 paint, let protection film body 2 laminate then at the upper surface of dustproof paper 42, be convenient for protection film body 2 and dustproof paper 42's separation.
Wherein, protection film body 2 includes PET rete 21, just PET rete 21 is located the position between dustproof mechanism 4 and the dust-proof membrane 6, the upper surface of PET rete 21 is paintd and is prevented electrostatic coating 22, the lower surface of PET rete 21 is pasted and is had from type rete 23, can improve protection film body 2's antistatic properties through preventing electrostatic coating 22, can prevent to produce the static breakdown display screen when tearing protection film body 2, improves the protective effect to the display screen, is convenient for laminate protection film body 2 on the display screen through from type rete 23, is convenient for tear it off from the display screen.
Specifically, when the invention is used, firstly, the dustproof film 6 is covered on the upper surface of the protective film body 2, before the protective film body 2 is used, dust can be prevented from falling to the surface of the protective film body 2, the cleanliness of the protective film body 2 before being assembled and disassembled is ensured, the dustproof mechanism 4 is ensured to be integrally clamped and installed between the two plastic plates 1 through the clamping connection between the frame body 41 and the clamping groove 13, then, the lower surface of the protective film body 2 is covered, the smooth coating 422 is coated on the upper surface of the dustproof paper 42 and is contacted with the lower surface of the protective film body 2, the separation between the protective film body 2 and the dustproof paper 42 can be facilitated while the release film layer 23 and the smooth coating 422 are tightly adhered, the dust can be prevented from being adhered on the lower surface of the protective film body 2 through the dustproof paper 42, the protective film body 2 is ensured to be in zero contact with the dust, meanwhile, the sticker 12 is torn off firstly during mounting, the two plastic plates 1 are aligned to the frame of the display, the plastic plates 1 are adhered to the frame of the display through the adhesive plates 11, the protective film body 2 is aligned with the display, the first poking piece 3 is held by hand and pulled to the right side, the dustproof mechanism 4 can be pulled out from between the two plastic plates 1, the lower surface of the protective film body 2 can be ensured to be contacted with the display, the dustproof film 6 is pressed by hand, the protective film body 2 is flatly attached to the display, the protective film body 2 is ensured to be accurately butted with the display, the phenomenon that the display cannot be completely protected due to error attachment can be avoided, after the protective film body 2 is completely attached to the display, the second poking piece 7 is held by hand and the dustproof film 6 is torn, the dustproof film 6 can be torn off from the upper surface of the protective film body 2, the phenomenon that fingerprints are left on the upper surface of the protective film body 2 during mounting can be prevented, because the junction of plastic slab 1 and protection film body 2 is provided with sawtooth line 5, the separation between protection film body 2 and the plastic slab 1 of being convenient for tears the back with plastic slab 1 from the display, can accomplish the dress of protection film body 2 and paste the operation, has improved its dress greatly and has pasted the effect.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An antistatic protective film comprises two plastic plates (1) which are arranged in parallel, and is characterized in that a protective film body (2) is arranged between the two plastic plates (1) together, the joint of the protective film body (2) and the two plastic plates (1) is provided with a sawtooth line (5), the upper surfaces of the two plastic plates (1) are stuck with a dustproof film (6) together, the lower surface of the dustproof film (6) is attached to the upper surface of the protective film body (2), a second shifting sheet (7) is fixedly arranged at one end of the dustproof film (6), a dustproof mechanism (4) is clamped between the two plastic plates (1), and the upper surface of the dustproof mechanism (4) is attached to the lower surface of the protective film body (2), and a first shifting piece (3) is fixedly arranged at one end of the dustproof mechanism (4) far away from the second shifting piece (7).
2. The antistatic protective film as claimed in claim 1, wherein an adhesive sheet (11) is fixedly adhered to the bottom end of each of the two plastic sheets (1), and a sticker (12) is adhered to the lower surface of each of the two adhesive sheets (11).
3. The antistatic protective film according to claim 1, wherein a clamping groove (13) is formed in each of the two plastic plates (1), and the two ends of the dustproof mechanism (4) which are far away from each other are inserted into the clamping grooves (13) which are arranged in a matched manner and are connected with the clamping grooves in a clamped manner.
4. The antistatic protection film according to claim 1, wherein the dustproof mechanism (4) comprises a frame body (41), the frame body (41) is clamped and installed on the two plastic plates (1), and two ends, far away from the plastic plates (1), of the plastic plates are embedded into clamping grooves (13) which are arranged in a matched mode and are connected with the clamping grooves in a clamped mode.
5. The antistatic protective film according to claim 4, wherein the frame body (41) is fixedly bonded with the first shifting sheet (3), the frame body (41) is internally fixedly mounted with dustproof paper (42), and the upper surface of the dustproof paper (42) is attached to the lower surface of the protective film body (2).
6. The antistatic protective film according to claim 5, wherein the dustproof paper (42) comprises a base paper (421), the base paper (421) is fixedly installed on the frame body (41), and a smooth coating (422) is coated on the upper surface of the base paper (421).
7. The antistatic protective film according to claim 1, wherein the protective film body (2) comprises a PET film layer (21), the PET film layer (21) is located between the dustproof mechanism (4) and the dustproof film (6), an antistatic coating (22) is coated on the upper surface of the PET film layer (21), and a release film layer (23) is adhered on the lower surface of the PET film layer (21).
CN202011091141.0A 2020-10-13 2020-10-13 Antistatic protective film Pending CN112208174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011091141.0A CN112208174A (en) 2020-10-13 2020-10-13 Antistatic protective film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011091141.0A CN112208174A (en) 2020-10-13 2020-10-13 Antistatic protective film

Publications (1)

Publication Number Publication Date
CN112208174A true CN112208174A (en) 2021-01-12

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Application Number Title Priority Date Filing Date
CN202011091141.0A Pending CN112208174A (en) 2020-10-13 2020-10-13 Antistatic protective film

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114028075A (en) * 2021-10-28 2022-02-11 山东百玛海洋生物科技有限公司 Chitosan-based dressing with good absorptivity

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210708089U (en) * 2019-05-30 2020-06-09 刘定军 Film sticking device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210708089U (en) * 2019-05-30 2020-06-09 刘定军 Film sticking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114028075A (en) * 2021-10-28 2022-02-11 山东百玛海洋生物科技有限公司 Chitosan-based dressing with good absorptivity

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Application publication date: 20210112