CN111227348A - Magnetic medical epidemic prevention mask - Google Patents
Magnetic medical epidemic prevention mask Download PDFInfo
- Publication number
- CN111227348A CN111227348A CN202010114059.9A CN202010114059A CN111227348A CN 111227348 A CN111227348 A CN 111227348A CN 202010114059 A CN202010114059 A CN 202010114059A CN 111227348 A CN111227348 A CN 111227348A
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- bonding
- strip
- mask body
- bonding strip
- air bag
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1184—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with protection for the eyes, e.g. using shield or visor
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides a magnetic medical epidemic prevention mask. The mask comprises a mask body, wherein fixing lines are respectively arranged on the left side and the right side of the mask body, an outer polluted surface is arranged on one side of the mask body, and an antifouling covering sheet covers the outer polluted surface; the mask body is characterized by further comprising a rotating rod, a hinged end and a connecting end are arranged on the rotating rod, the hinged end of the rotating rod is hinged to the side wall, away from the outer polluted surface, of the mask body, a first magnetic block is mounted on the connecting end, a pulling line is wound on the hinged end, and the pulling line can drive the rotating rod to rotate and swing around the hinged end; and second magnetic blocks which correspond to the first magnetic blocks one to one are arranged on the antifouling covering sheet and can be magnetically attracted with the first magnetic blocks. The antifouling covering sheet arranged on the mask can be torn off, so that the actual service life of the whole mask body is prolonged, and the waste of the mask is effectively reduced.
Description
Technical Field
The invention relates to medical instruments, in particular to a magnetic medical epidemic prevention mask.
Background
The mask is a sanitary article, is generally worn on the mouth and nose, is used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, and is made of gauze or paper and the like.
The mask has a certain filtering function on air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like.
Common masks are generally divided into two-layer masks and three-layer masks, but at least three-layer masks are required to achieve the effect of preventing virus infection during SARS in 03 years or New Crown Pneumonia (NCP) in 20 years.
The major epidemic situation usually has the proruption, and the short time shortage phenomenon can appear in the gauze mask supply, and at present, disposable gauze mask's outside surface is stained with the virus most easily, but once the current gauze mask outside receives the virus pollution, just needs whole abandoning, and in the proruption major epidemic situation and the gauze mask short time shortage period that appears, the waste is serious.
Disclosure of Invention
In view of this, the present invention provides a magnetic medical epidemic prevention mask, wherein an antifouling covering sheet is disposed on the mask body and can be torn off, so as to prolong the actual service life of the mask body and effectively reduce the waste of the mask.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a magnetic suction type medical epidemic prevention mask comprises a mask body, wherein fixing lines are respectively arranged on the left side and the right side of the mask body, an outer pollution surface is arranged on one side of the mask body, and an antifouling covering sheet covers the outer pollution surface;
the mask body is characterized by further comprising a rotating rod, a hinged end and a connecting end are arranged on the rotating rod, the hinged end of the rotating rod is hinged to the side wall, away from the outer polluted surface, of the mask body, a first magnetic block is mounted on the connecting end, a pulling line is wound on the hinged end, and the pulling line can drive the rotating rod to rotate and swing around the hinged end;
and second magnetic blocks which correspond to the first magnetic blocks one to one are arranged on the antifouling covering sheet and can be magnetically attracted with the first magnetic blocks.
Through the technical scheme, in the actual use process, the anti-fouling covering sheet can be firstly covered on the outer fouling surface, the first magnet and the second magnet are mutually magnetically attracted, and the mask body is fixed on the face and the mouth of a user through the fixing line;
after the anti-fouling cover sheet is used for a period of time, pollutants such as viruses and the like can be stained on the anti-fouling cover sheet, the pull line can be pulled to act on the hinged end, the rotary rod can rotate around the hinged end, the first magnet on the rotary rod can gradually be staggered with the second magnet, and the anti-fouling cover sheet can fall off from the mask body;
in the above-mentioned use, utilize antifouling covering piece's the characteristic of dismantling, prolonged the actual life of whole gauze mask body twice at least, reduced the waste of gauze mask, in addition, the user need not to touch antifouling covering piece, alright make antifouling covering piece drop from the gauze mask body, reduce the possibility of virus infection by a wide margin.
Preferably, the hinged end is located at the middle position of the rotating rod, the two connecting ends are respectively located at the two end portions of the rotating rod, and the first magnetic block is also mounted on each connecting end.
Through the technical scheme, on one hand, two first magnetic blocks are arranged on a single rotating rod, and correspondingly, the same number of second magnetic blocks are arranged on the anti-fouling covering sheet, so that the connection stability between the anti-fouling covering sheet and the mask body can be effectively improved; on the other hand, through the same action of pulling and pulling the wire, the two first magnetic blocks can be driven to rotate at the same time, and the falling efficiency of the antifouling covering sheet is favorably improved.
Preferably, the number of the rotating rods is two, and the two rotating rods are respectively and correspondingly arranged at one side position close to the fixed line.
Through above-mentioned technical scheme, the stability of being connected between antifouling cover piece and the gauze mask is higher.
Preferably, the side wall of the mask body is provided with a groove, and the rotating rod is arranged in the groove.
Through above-mentioned technical scheme, the gauze mask body lateral wall thickness corresponding to the recess is thinner, is favorable to increasing the magnetic attraction between first magnetic path and the second magnetic path.
Preferably, a fixing strip is arranged on the side edge of the mask body adjacent to the fixing line;
the eye protection device comprises an eye protection body, wherein the eye protection body comprises an air bag sheet and two eye protection sheets which are arranged on the air bag sheet and made of transparent materials, a fixing strip penetrates through the two eye protection sheets, the eye protection sheets can be turned around the fixing strip, the two eye protection sheets can be respectively opposite to eyes of a user, an inflation inlet is formed in the air bag sheet, a pull wire is arranged on the eye protection body, and the pull wire is used for fixing the eye protection body on the face of the user.
Through the technical scheme, in the actual use process, the eye protection sheet can be turned around the fixing strip until the eye protection body and the mask body are in a parallel state, air is blown towards the inflation inlet of the air bag sheet, the air bag sheet can be expanded wholly, then the mask body is covered on the periphery of the mouth of a user through the fixing line, the eye protection body is covered on the eyes of the user through the fixing strip, and the two eye protection sheets are required to be aligned to the eyes of the user;
after the completion is worn to above-mentioned eye protection mask, can produce effectively to block the effect to the virus, whole light in weight, wear the comfort level high, use the convenience high, in addition, owing to adopt the gas filled mode of gasbag piece, effectively promoted the effective laminating area of the eye protection body with the peripheral skin of user's eye, not only use comfort level is higher, can produce stronger safeguard effect to the eye moreover.
Preferably, one side that antifouling overburden deviates from the mask body is first bonding face, be equipped with first bonding strip on the first bonding face, one side of gasbag piece is the second bonding face, be equipped with the second bonding strip on the second bonding face, the eye-protecting body is around the fixed strip back that overturns, and first bonding strip can bond each other with the second bonding strip.
Through above-mentioned technical scheme, when whole eye protection gauze mask need be accomodate, the gauze mask body can roll over to the position that overlaps mutually with the eye protection body around the fixed strip, and at this moment, first bonding strip can bond each other with the second bonding strip to make and stably laminate between the eye protection body and the gauze mask body.
Preferably, the number of the first bonding strips is three, the first bonding strips are a first left bonding strip, a first middle bonding strip and a first right bonding strip respectively, the first left bonding strip and the first right bonding strip are located on the left side and the right side of the airbag piece respectively, and the first middle bonding strip is located in the middle of the two eye protection pieces;
the number of the second bonding strips is three, and the second bonding strips are respectively a second left bonding strip, a second middle bonding strip and a second right bonding strip, the second left bonding strip and the second right bonding strip are respectively positioned at the left side and the right side of the mask body, and the second middle bonding strip is positioned at the middle position of the mask body;
the first left bonding strip can be bonded with the second left bonding strip, the first middle bonding strip can be bonded with the second middle bonding strip, and the first right bonding strip can be bonded with the second right bonding strip.
Through above-mentioned technical scheme, the left, middle, right three points between the eye-protecting body and the gauze mask body all produce the bonding effect, have promoted the stable adhesion degree between the eye-protecting body and the gauze mask body by a wide margin.
Preferably, the two ends of the fixing strip are respectively provided with a thickened section, and the two eye protection pieces are respectively hinged on the thickened sections.
Through above-mentioned technical scheme, because the eye protector needs take place the upset, the upset stability that the eye protector piece can be promoted to the section of thickening.
Preferably, two circular first air bag bulges are arranged on the side wall of the air bag piece, which is far away from the second bonding surface, and the first air bag bulges are distributed along the periphery of the eye protection piece.
Through the technical scheme, when the air bag piece is filled with air, the first air bag bulge can also expand, and when the air bag piece is worn at the eye periphery position, the first air bag bulge can be positioned at the eye periphery position of a user, so that the probability that external viruses enter the eyes of the user can be effectively reduced.
Preferably, the side wall of the air bag piece, which deviates from the second bonding surface, is provided with a linear second air bag protrusion, and the second air bag protrusion is arranged at the edge of the air bag piece, which is close to the mask body.
Through the technical scheme, when the air bag piece is filled with air, the second air bag bulge can also expand, and when a user blows air into the mask body, the second air bag bulge can effectively prevent the air from entering the air bag piece, so that the possibility of generating fog by the eye protection piece is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view illustrating a first embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the stain-resistant covering sheet and the mask body according to the first embodiment;
FIG. 3 is a schematic front view of the second embodiment;
fig. 4 is a schematic reverse structure diagram of the second embodiment.
Reference numerals: 1. a mask body; 2. fixing the wire; 3. a fixing strip; 4. an eye protection body; 5. an air bag tablet; 6. eye protection sheets; 7. an inflation inlet; 8. a pull wire; 9. a first bonding surface; 10. a first adhesive strip; 11. a first left adhesive strip; 12. a first middle adhesive strip; 13. a first right adhesive strip; 14. a second bonding surface; 15. a second adhesive strip; 16. a second left adhesive strip; 17. a second middle adhesive strip; 18. a second right adhesive strip; 23. adding a thick end; 24. a first bladder projection; 25. a second bladder projection; 28. rotating the rod; 29. a hinged end; 30. a connecting end; 31. a first magnetic block; 32. pulling the wire; 33. a second magnetic block; 34. an outer contaminated surface; 35. an antifouling cover sheet; 36. and (4) a groove.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-4 to make the technical solution of the present invention easier to understand and grasp.
The first embodiment is as follows:
the utility model provides a medical epidemic prevention gauze mask of formula is inhaled to magnetism, includes the gauze mask body 1, and the left and right sides of gauze mask body 1 is equipped with fixed line 2 respectively, and gauze mask body 1 one side is equipped with outer contaminated surface 34, and when the gauze mask body 1 was worn in the user, outer contaminated surface 34 faced the outside.
An antifouling cover sheet 35 is covered on the outer contaminated surface 34.
Two grooves 36 are arranged on the side wall of the mask body 1, and the two grooves 36 are respectively arranged at one side close to the fixing line 2 in a one-to-one correspondence manner.
All be provided with the swing arm 28 in every recess 36, the swing arm 28 is preferred to select for use and to have certain flexible sheet metal of deformability, is equipped with hinged end 29, link 30 on the swing arm 28, and hinged end 29 of swing arm 28 articulates on the lateral wall that the gauze mask body 1 deviates from outer contaminated surface 34, and hinged end 29 is located the middle part position of swing arm 28, and link 30 is equipped with two, and two links 30 are located two tip of swing arm 28 respectively. Each of the connection terminals 30 is mounted with a first magnetic block 31. A pull line 32 is wound on the hinged end 29, and the pull line 32 can drive the rotary rod 28 to rotate and swing around the hinged end 29; the anti-fouling covering sheet 35 is provided with second magnetic blocks 33 corresponding to the first magnetic blocks 31 one by one, and the second magnetic blocks 33 and the first magnetic blocks 31 can be magnetically attracted with each other.
Example two:
the following technical features are added based on the first embodiment.
The first bonding strip 10 is arranged on the first bonding surface 9, the number of the first bonding strips 10 is three, the first bonding strips are respectively a first left bonding strip 11, a first middle bonding strip 12 and a first right bonding strip 13, the first left bonding strip 11 and the first right bonding strip 13 are respectively positioned on the left side and the right side of the airbag piece 5, and the first middle bonding strip 12 is positioned in the middle of the two eye protection pieces 6.
Install fixed strip 3 on the side that is adjacent to fixed line 2 at the gauze mask body 1, fixed strip 3 has certain deformable degree of buckling for rectangular shape and self, and the both ends of this fixed strip 3 are equipped with respectively and add thick section, and the diameter size of adding thick section is greater than the other position diameter sizes of fixed strip 3.
The mask is characterized by further comprising an eye protection body 4, wherein the eye protection body 4 is located above the mask body 1, the eye protection body 4 comprises an air bag sheet 5 and two eye protection sheets 6 which are arranged on the air bag sheet 5 and made of transparent materials, two thickened sections of the fixing strip 3 respectively penetrate through the two eye protection sheets 6, the eye protection sheets 6 can turn over around the fixing strip 3, and the two eye protection sheets 6 can be respectively opposite to eyes of a user.
The air bag sheet 5 is provided with an inflation inlet 7. The inflation port 7 may be a one-way intake port, i.e., when external air is inflated into the airbag panel 5, the air in the airbag panel 5 does not escape from the inside. An inflation plug can also be arranged at the inflation port 7, and when inflation is needed, the inflation plug is pulled out from the inflation port 7 and then inflated; when the air needs to be deflated, the inflation plug can be pulled out, and the air in the air bag sheet 5 can overflow.
The eye protector 4 is provided with a pull wire 8, and the pull wire 8 is used for fixing the eye protector 4 on the face of a user.
One side of the airbag sheet 5 is a second bonding surface 14, the second bonding surface 14 is provided with three second bonding strips 15, the number of the second bonding strips 15 is a second left bonding strip 16, a second middle bonding strip 17 and a second right bonding strip 18, the second left bonding strip 16 and the second right bonding strip 18 are respectively located on the left side and the right side of the mask body 1, and the second middle bonding strip 17 is located in the middle of the mask body 1. After the eye protection body 4 is turned around the fixing strip 3, the first left bonding strip 11 can be bonded with the second left bonding strip 16, the first middle bonding strip 12 can be bonded with the second middle bonding strip 17, and the first right bonding strip 13 can be bonded with the second right bonding strip 18.
Two annular first air bag bulges 24 are arranged on the side wall of the air bag sheet 5 departing from the second adhesive surface 14, and the first air bag bulges 24 are distributed along the periphery of the eye protection sheet 6. The side wall of the airbag piece 5 departing from the second adhesive surface 14 is provided with a linear second airbag protrusion 25, and the second airbag protrusion 25 is arranged at the edge of the airbag piece 5 close to the mask body 1.
Example three:
a method for replacing the mask surface of a magnetic medical epidemic prevention mask as in the first embodiment comprises the following steps:
the method comprises the following steps: covering the outer polluted surface 34 with an antifouling covering sheet 35;
step two: the second magnetic blocks 33 on the anti-pollution covering sheet and the first magnets on the mask body 1 are adsorbed in a one-to-one correspondence manner, so that the anti-pollution covering sheet 35 is ensured to be regularly covered on the outer polluted surface 34;
step three: the mask body 1 is worn on the face of a user through a fixing line 2;
step four: after wearing for a period of time, the pulling line 32 is pulled, the pulling line 32 directly acts on the hinged end 29, the rotating rod 28 rotates around the hinged end 29, the first magnetic block 31 and the second magnetic block 33 are staggered and gradually separated, and the anti-fouling covering sheet 35 can automatically fall off from the mask body 1.
Example four:
a method for storing a magnetic medical epidemic prevention mask as in the second embodiment:
the method comprises the following steps: respectively placing the pull wire 8 and the fixed wire 2 on one side of the second bonding surface 14 and one side of the first bonding surface 9;
step two: the mask body 1 and the eye protector 4 are folded over each other until the first left adhesive strip 11 can be adhered to the second left adhesive strip 16 and the first right adhesive strip 13 can be adhered to the second right adhesive strip 18.
The first step and the second step can be replaced at will.
Example five:
a method for wearing a medical epidemic prevention mask with a detachable cover as in the second embodiment:
the method comprises the following steps: the mask body 1 and the eye-protecting body 4 are mutually disassembled, the first left adhesive strip 11 is separated from the second left adhesive strip 16, the first right adhesive strip 13 is separated from the second right adhesive strip 18, and the eye-protecting sheet 6 reversely rotates around the thickened end 23;
step two: the pulling wire 8 and the fixing wire 2 are taken down from the first bonding surface 9 and the second bonding surface 14;
step three: inflating the inflation inlet 7 until the air bag sheet 5, the first air bag bulge 24 and the second air bag bulge 25 are all expanded;
step four: fixing the pull wire 8 on the head of the user to ensure that the eye protection sheet 6 is opposite to the eyes of the user, and the first air sac bulge 24 is positioned around the eyes of the user;
fixing the fixing line 2 on the ear of the user to ensure that the mask body 1 is covered at the nose and mouth of the user;
step five: the middle part of the fixing strip 3 is pressed, so that the fixing strip 3 is attached to the nose bridge of a user to deform.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides a medical epidemic prevention gauze mask of formula is inhaled to magnetism, includes the gauze mask body (1), the left and right sides of the gauze mask body (1) is equipped with fixed line (2), characterized by respectively: an outer polluted surface (34) is arranged on one side of the mask body (1), and an antifouling covering sheet (35) covers the outer polluted surface (34);
the mask body is characterized by further comprising a rotating rod (28), a hinged end (29) and a connecting end (30) are arranged on the rotating rod (28), the hinged end (29) of the rotating rod (28) is hinged to the side wall, away from an outer polluted surface (34), of the mask body (1), a first magnetic block (31) is installed on the connecting end (30), a pulling line (32) is wound on the hinged end (29), and the pulling line (32) can drive the rotating rod (28) to rotate and swing around the hinged end (29);
and second magnetic blocks (33) which correspond to the first magnetic blocks (31) one by one are arranged on the antifouling covering sheet (35), and the second magnetic blocks (33) can be magnetically attracted with the first magnetic blocks (31).
2. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 1, characterized by: articulated end (29) are located the middle part position of swing arm (28), link (30) are equipped with two, and two link (30) are located two tip of swing arm (28) respectively, also all install on every link (30) first magnetic path (31).
3. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 2, characterized by: the number of the rotating rods (28) is two, and the two rotating rods (28) are respectively installed at one side position close to the fixed line (2) in a one-to-one correspondence mode.
4. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 3, characterized by: the mask body (1) is provided with a groove (36) on the side wall, and the rotating rod (28) is arranged in the groove (36).
5. The medical epidemic prevention mask of magnetic suction type according to any one of claims 1 to 4, wherein: a fixing strip (3) is arranged on the side edge of the mask body (1) adjacent to the fixing line (2);
including the eye protection body (4), the eye protection body (4) include air bag piece (5), two install on air bag piece (5) and eye protection piece (6) for transparent material makes, fixed strip (3) pass two eye protection pieces (6), eye protection piece (6) can overturn around fixed strip (3), two eye protection piece (6) can be relative with user's eyes respectively, be equipped with inflation inlet (7) on air bag piece (5), be equipped with acting as go-between (8) on the eye protection body (4), acting as go-between (8) are used for being fixed in user's face with eye protection body (4).
6. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 5, characterized by: one side that antifouling overburden (35) deviates from the gauze mask body (1) is first bonding face (9), be equipped with first bonding strip (10) on first bonding face (9), one side of gasbag piece (5) is second bonding face (14), be equipped with second bonding strip (15) on second bonding face (14), after eye-protecting body (4) overturn around fixed strip (3), first bonding strip (10) can bond each other with second bonding strip (15).
7. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 6, characterized by: the number of the first bonding strips (10) is three, the first bonding strips are a first left bonding strip (11), a first middle bonding strip (12) and a first right bonding strip (13), the first left bonding strip (11) and the first right bonding strip (13) are respectively positioned on the left side and the right side of the airbag piece (5), and the first middle bonding strip (12) is positioned in the middle of the two eye protection pieces (6);
the number of the second bonding strips (15) is three, the second bonding strips are respectively a second left bonding strip (16), a second middle bonding strip (17) and a second right bonding strip (18), the second left bonding strip (16) and the second right bonding strip (18) are respectively positioned at the left side and the right side of the mask body (1), and the second middle bonding strip (17) is positioned at the middle position of the mask body (1);
the first left bonding strip (11) can be bonded with the second left bonding strip (16), the first middle bonding strip (12) can be bonded with the second middle bonding strip (17), and the first right bonding strip (13) can be bonded with the second right bonding strip (18).
8. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 5, characterized by: two ends of the fixing strip (3) are respectively provided with a thickening section, and the two eye protecting pieces (6) are respectively hinged on the thickening sections.
9. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 6, characterized by: the side wall of the air bag sheet (5) departing from the second bonding surface (14) is provided with two annular first air bag bulges (24), and the first air bag bulges (24) are distributed along the periphery of the eye protection sheet (6).
10. The medical epidemic prevention gauze mask of a kind of magnetic suction type according to claim 6, characterized by: the side wall of the air bag piece (5) departing from the second bonding surface (14) is provided with a linear second air bag bulge (25), and the second air bag bulge (25) is arranged at the edge of the air bag piece (5) close to the mask body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010114059.9A CN111227348A (en) | 2020-02-25 | 2020-02-25 | Magnetic medical epidemic prevention mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010114059.9A CN111227348A (en) | 2020-02-25 | 2020-02-25 | Magnetic medical epidemic prevention mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111227348A true CN111227348A (en) | 2020-06-05 |
Family
ID=70878571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010114059.9A Withdrawn CN111227348A (en) | 2020-02-25 | 2020-02-25 | Magnetic medical epidemic prevention mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111227348A (en) |
-
2020
- 2020-02-25 CN CN202010114059.9A patent/CN111227348A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200605 |