CN111744431A - Chemical production equipment with reaction raw material uniform adding function - Google Patents
Chemical production equipment with reaction raw material uniform adding function Download PDFInfo
- Publication number
- CN111744431A CN111744431A CN202010678527.5A CN202010678527A CN111744431A CN 111744431 A CN111744431 A CN 111744431A CN 202010678527 A CN202010678527 A CN 202010678527A CN 111744431 A CN111744431 A CN 111744431A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- raw materials
- pipe
- chemical production
- production equipment
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/002—Nozzle-type elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses chemical production equipment with a function of uniformly adding reaction raw materials, and relates to chemical equipment. Through motor drive during the use, drive vertical rotating tube and rotate, adjust the orientation of swing pipe at the rotation in-process to can be abundant thorough add the position of difference in the reaction box with the raw materials when adding reaction raw materials, it is reinforced even, fully ensured the efficiency of reaction, be worth promoting.
Description
Technical Field
The invention relates to chemical equipment, in particular to chemical production equipment with a function of uniformly adding reaction raw materials.
Background
The chemical industry is a knowledge and capital intensive business. With the development of science and technology, the method gradually develops into a multi-industry and multi-variety production department from a few inorganic products such as soda ash and sulfuric acid which are produced at first and an organic product which is mainly prepared by extracting alizarin from plants and is used for preparing dye, and a large number of chemical enterprises which comprehensively utilize resources and are large in scale appear. Including the basic chemical industry and plastics, synthetic fibers, petroleum, rubber, pharmaceuticals, dye industries, and the like.
Chemical industry is a basic industry of many varieties, and chemical equipment is widely available in order to meet various requirements of chemical production. Chemical industry reaction when chemical production occasionally needs evenly add the reactant at the reaction to improve reaction rate, traditional reaction equipment can not be fine disperse the raw materials that add to the reaction box in fast, need realize homogeneous purpose through follow-up stirring, reaction rate receives certain limitation. Therefore, the technical personnel in the field propose chemical production equipment with the function of uniformly adding reaction raw materials so as to solve the problems proposed in the background.
Disclosure of Invention
The invention aims to provide chemical production equipment with a function of uniformly adding reaction raw materials, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a chemical production device with the function of uniformly adding reaction raw materials comprises a reaction box, wherein the top of the reaction box is fixedly connected with a motor, the output end of the motor is fixedly connected with a longitudinal rotating pipe, the longitudinal rotating pipe is rotatably connected with the reaction box, the longitudinal rotating pipe is connected with swinging pipes in a bilateral symmetry mode, the swinging pipes are communicated with the longitudinal rotating pipe through hoses, the outer side of the reaction box is fixedly connected with a feeding box, the feeding box is connected with a tee joint through a pipeline, the tee joint is rotationally connected with the longitudinal rotating pipe and communicated with the inner side of the longitudinal rotating pipe, the bottom of the reaction tank is rotatably connected with a plurality of rotating connecting rods, the outer sides of the rotating connecting rods are fixedly connected with rotating drive plates, elastic pull ropes are fixedly connected between the outer sides of the rotating drive plates, vertical driving strips are fixedly connected above the rotary driving plate in a bilateral symmetry mode and are respectively hinged with the upper swing pipe and the middle swing pipe; the top of the longitudinal rotating pipe is fixedly connected with a driving gear, the side face of the reaction box is rotatably connected with a side rotating shaft, the top of the side rotating shaft is fixedly connected with a driven gear, the driven gear is meshed with the driving gear, the bottom of the side rotating shaft is in threaded connection with a longitudinal sliding sleeve, the left side of the longitudinal sliding sleeve is fixedly connected with two driving horizontal plates, the driving horizontal plates are respectively positioned above and below the rotary driving plate, the right side of the longitudinal sliding sleeve is fixedly connected with a longitudinal sliding guide rod, and the longitudinal sliding guide rod is in longitudinal sliding connection with the side wall of.
As a further scheme of the invention: the bottom of the reaction tank is fixedly connected with supporting pads in a bilateral symmetry mode.
As a still further scheme of the invention: the motor is a servo motor and is electrically connected with the power supply through the control panel.
As a still further scheme of the invention: when the rotary driving plate is in a horizontal state, the interval between the outer ends of the rotary driving plate is smaller than the longitudinal width of the driving horizontal plate.
As a still further scheme of the invention: the swing pipe is communicated with a plurality of groups of inclined guide pipes.
As a still further scheme of the invention: the inclination angle of the inclined conduit is 30-60 degrees.
As a still further scheme of the invention: the bottom of the reaction tank is provided with a discharge hole, and an outer cover plate is arranged on the outer side of the discharge hole.
As a still further scheme of the invention: the diameter of the driving gear is larger than that of the driven gear.
As a still further scheme of the invention: the rotating connecting rods are at least provided with five groups.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure and convenient use, is driven by the motor to drive the longitudinal rotating pipe to rotate when in use, and adjusts the orientation of the swinging pipe in the rotating process, thereby fully and thoroughly adding raw materials into different positions in the reaction box when adding reaction raw materials, uniformly feeding the raw materials, fully ensuring the reaction efficiency and being worthy of popularization.
Drawings
FIG. 1 is a schematic structural diagram of a chemical production apparatus with a function of uniformly adding reaction raw materials;
FIG. 2 is a schematic diagram of an arrangement structure of a rotary driving plate in a chemical production apparatus with a function of uniformly adding reaction raw materials;
FIG. 3 is a schematic structural diagram of a tee joint in chemical production equipment with a function of uniformly adding reaction raw materials;
FIG. 4 is a schematic view of a connection structure of a driving horizontal plate, a longitudinal sliding guide rod and a longitudinal sliding sleeve in a chemical production apparatus with a function of uniformly adding reaction raw materials;
in the figure: 1-reaction box, 2-motor, 3-longitudinal rotating pipe, 4-swinging pipe, 5-charging box, 6-pipeline, 7-tee joint, 8-rotating connecting rod, 9-rotating driving plate, 10-elastic pull rope, 11-vertical driving strip, 12-driving gear, 13-side rotating shaft, 14-driven gear, 15-longitudinal sliding sleeve, 16-driving horizontal plate, 17-longitudinal sliding guide rod, 18-supporting pad, 19-inclined conduit, 20-discharge outlet and 21-outer cover plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-4, a chemical production apparatus with a function of uniformly adding reaction raw materials comprises a reaction box 1, wherein a motor 2 is fixedly connected to the top of the reaction box 1, a longitudinal rotating pipe 3 is fixedly connected to the output end of the motor 2, the longitudinal rotating pipe 3 is rotatably connected to the reaction box 1, swinging pipes 4 are symmetrically and rotatably connected to the left and right sides of the longitudinal rotating pipe 3, the swinging pipes 4 are communicated with the longitudinal rotating pipe 3 through hoses, a feeding box 5 is fixedly connected to the outer side of the reaction box 1, the feeding box 5 is connected with a tee joint 7 through a pipeline 6, the tee joint 7 is rotatably connected with the longitudinal rotating pipe 3, and the tee joint 7 is communicated with the inner side of the longitudinal rotating pipe;
when the device is used, the motor 2 is started, the motor 2 rotates to drive the longitudinal rotating pipe 3 to rotate, the longitudinal rotating pipe 3 rotates to drive the swinging pipe 4 to rotate, the swinging pipe 4 is communicated with the longitudinal rotating pipe 3 through a hose, raw materials added through the pipeline 6 enter the longitudinal rotating pipe 3 through the tee joint 7 and are sprayed out in a rotating state through the swinging pipe 4;
the bottom of the reaction box 1 is rotatably connected with a plurality of rotating connecting rods 8, the outer sides of the rotating connecting rods 8 are fixedly connected with rotating drive plates 9, elastic pull ropes 10 are fixedly connected between the outer sides of the rotating drive plates 9, vertical drive strips 11 are fixedly connected above the rotating drive plates 9 in a bilateral symmetry manner, and the vertical drive strips 11 are respectively hinged with the upper swing pipe 4 and the middle swing pipe 4;
the longitudinal rotating pipe 3 rotates to drive the rotating drive plates 9 to rotate through the rotating connecting rod 8, the rotating drive plates 9 are connected through the elastic pull rope 10, the elastic pull rope 10 is in a stretching state when the rotating drive plates 9 are in a horizontal state, the state is unstable, the elastic pull rope 10 can contract to drive the rotating drive plates 9 to move up and down or move down and synchronously drive the oscillating pipe 4 to move up and down, and the change of the material spraying position is realized while the rotating pipe rotates;
the top of the longitudinal rotating pipe 3 is fixedly connected with a driving gear 12, the side surface of the reaction box 1 is rotatably connected with a side rotating shaft 13, the top of the side rotating shaft 13 is fixedly connected with a driven gear 14, the driven gear 14 is meshed with the driving gear 12, the bottom of the side rotating shaft 13 is in threaded connection with a longitudinal sliding sleeve 15, the left side of the longitudinal sliding sleeve 15 is fixedly connected with two driving horizontal plates 16, the driving horizontal plates 16 are respectively positioned above and below the rotating driving plate 9, the right side of the longitudinal sliding sleeve 15 is fixedly connected with a longitudinal sliding guide rod 17, and the longitudinal sliding guide rod 17 is longitudinally slidably connected with the side wall of;
the driving belt wheel 12 drives the driven belt wheel 13 to rotate, and simultaneously drives the longitudinal sliding sleeve 15 to move up and down, so that the rotary driving plate 9 is driven to move up or down, and the position of the rotary driving plate 9 can be adjusted by controlling the rotation direction of the motor 2.
The bottom of the reaction box 1 is fixedly connected with supporting pads 18 in a bilateral symmetry mode.
The motor 2 is a servo motor, and the motor 2 is electrically connected with a power supply through a control panel.
When the rotary driving plate 9 is in a horizontal state, the interval between the outer ends of the rotary driving plate is smaller than the longitudinal width of the driving horizontal plate 16.
The bottom of the reaction box 1 is provided with a discharge outlet 20, and the outer side of the discharge outlet 20 is provided with an outer cover plate 21.
The driving gear 12 has a diameter greater than that of the driven gear 14.
The rotating connecting rods 8 are at least provided with five groups.
Example two: referring to fig. 1-4, a chemical production apparatus with a function of uniformly adding reaction raw materials comprises a reaction box 1, wherein a motor 2 is fixedly connected to the top of the reaction box 1, a longitudinal rotating pipe 3 is fixedly connected to the output end of the motor 2, the longitudinal rotating pipe 3 is rotatably connected to the reaction box 1, swinging pipes 4 are symmetrically and rotatably connected to the left and right sides of the longitudinal rotating pipe 3, the swinging pipes 4 are communicated with the longitudinal rotating pipe 3 through hoses, a feeding box 5 is fixedly connected to the outer side of the reaction box 1, the feeding box 5 is connected with a tee joint 7 through a pipeline 6, the tee joint 7 is rotatably connected with the longitudinal rotating pipe 3, and the tee joint 7 is communicated with the inner side of the longitudinal rotating pipe;
when the device is used, the motor 2 is started, the motor 2 rotates to drive the longitudinal rotating pipe 3 to rotate, the longitudinal rotating pipe 3 rotates to drive the swinging pipe 4 to rotate, the swinging pipe 4 is communicated with the longitudinal rotating pipe 3 through a hose, raw materials added through the pipeline 6 enter the longitudinal rotating pipe 3 through the tee joint 7 and are sprayed out in a rotating state through the swinging pipe 4;
the bottom of the reaction box 1 is rotatably connected with a plurality of rotating connecting rods 8, the outer sides of the rotating connecting rods 8 are fixedly connected with rotating drive plates 9, elastic pull ropes 10 are fixedly connected between the outer sides of the rotating drive plates 9, vertical drive strips 11 are fixedly connected above the rotating drive plates 9 in a bilateral symmetry manner, and the vertical drive strips 11 are respectively hinged with the upper swing pipe 4 and the middle swing pipe 4;
the longitudinal rotating pipe 3 rotates to drive the rotating drive plates 9 to rotate through the rotating connecting rod 8, the rotating drive plates 9 are connected through the elastic pull rope 10, the elastic pull rope 10 is in a stretching state when the rotating drive plates 9 are in a horizontal state, the state is unstable, the elastic pull rope 10 can contract to drive the rotating drive plates 9 to move up and down or move down and synchronously drive the oscillating pipe 4 to move up and down, and the change of the material spraying position is realized while the rotating pipe rotates;
the top of the longitudinal rotating pipe 3 is fixedly connected with a driving gear 12, the side surface of the reaction box 1 is rotatably connected with a side rotating shaft 13, the top of the side rotating shaft 13 is fixedly connected with a driven gear 14, the driven gear 14 is meshed with the driving gear 12, the bottom of the side rotating shaft 13 is in threaded connection with a longitudinal sliding sleeve 15, the left side of the longitudinal sliding sleeve 15 is fixedly connected with two driving horizontal plates 16, the driving horizontal plates 16 are respectively positioned above and below the rotating driving plate 9, the right side of the longitudinal sliding sleeve 15 is fixedly connected with a longitudinal sliding guide rod 17, and the longitudinal sliding guide rod 17 is longitudinally slidably connected with the side wall of;
the driving belt wheel 12 drives the driven belt wheel 13 to rotate, and simultaneously drives the longitudinal sliding sleeve 15 to move up and down, so that the rotary driving plate 9 is driven to move up or down, and the position of the rotary driving plate 9 can be adjusted by controlling the rotation direction of the motor 2.
The bottom of the reaction box 1 is fixedly connected with supporting pads 18 in a bilateral symmetry mode.
The motor 2 is a servo motor, and the motor 2 is electrically connected with a power supply through a control panel.
When the rotary driving plate 9 is in a horizontal state, the distance between the outer ends of the rotary driving plate 9 is smaller than the longitudinal width of the driving horizontal plate 16, so that the state that the driving horizontal plate 16 is only matched with the elastic pull rope 10 cannot exist all the time in the process that the rotary driving plate 9 moves up and down.
The swing pipe 4 is communicated with a plurality of groups of inclined guide pipes 19, the inclined angle of the inclined guide pipes 19 is 30-60 degrees, preferably 45 degrees, and the inclined spraying feeding effect is better.
The bottom of the reaction box 1 is provided with a discharge outlet 20, and the outer side of the discharge outlet 20 is provided with an outer cover plate 21.
The driving gear 12 has a diameter greater than that of the driven gear 14.
The rotating connecting rods 8 are at least provided with five groups.
The working principle of the invention is as follows: when the device is used, the motor 2 is started, the motor 2 rotates to drive the longitudinal rotating pipe 3 to rotate, the longitudinal rotating pipe 3 rotates to drive the oscillating pipe 4 to rotate, the oscillating pipe 4 is communicated with the longitudinal rotating pipe 3 through a hose, raw materials added through the pipeline 6 enter the longitudinal rotating pipe 3 through the tee joint 7 and are sprayed out in a rotating state through the oscillating pipe 4, the longitudinal rotating pipe 3 rotates to drive the rotating drive plate 9 to rotate through the rotating connecting rod 8, the rotating drive plates 9 are connected through the elastic pull rope 10, the elastic pull rope 10 is in a stretching state when the rotating drive plate 9 is in a horizontal state, the state is unstable, the elastic pull rope 10 can contract to drive the rotating drive plate 9 to move up and down or move down, the oscillating pipe 4 is driven to move up and down synchronously, the change of the material spraying position is realized while the rotation, and the driving belt wheel 12, meanwhile, the longitudinal sliding sleeve 15 is driven to move up and down, so that the rotary driving plate 9 is driven to move up or down, and the position of the rotary driving plate 9 can be adjusted by controlling the rotation direction of the motor 2.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The chemical production equipment with the function of uniformly adding reaction raw materials comprises a reaction box (1), wherein a motor (2) is fixedly connected to the top of the reaction box (1), a longitudinal rotating pipe (3) is fixedly connected to the output end of the motor (2), the longitudinal rotating pipe (3) is rotatably connected with the reaction box (1), the longitudinal rotating pipe (3) is rotationally connected with a swinging pipe (4) in a bilateral symmetry mode, the swinging pipe (4) is communicated with the longitudinal rotating pipe (3) through a hose, a feeding box (5) is fixedly connected to the outer side of the reaction box (1), the feeding box (5) is connected with a tee joint (7) through a pipeline (6), the tee joint (7) is rotatably connected with the longitudinal rotating pipe (3), the tee joint (7) is communicated with the inner side of the longitudinal rotating pipe (3), and is characterized in that the bottom of the reaction box (1) is rotatably connected with a plurality of rotating connecting rods (8), and a rotating driving plate (9, an elastic pull rope (10) is fixedly connected between the outer sides of the rotary driving plates (9), vertical driving strips (11) are fixedly connected above the rotary driving plates (9) in a bilateral symmetry mode, and the vertical driving strips (11) are respectively hinged with the upper swing pipe (4) and the middle swing pipe (4); vertical rotating tube (3) top fixedly connected with driving gear (12), reaction box (1) side rotates and is connected with side pivot (13), and side pivot (13) top fixedly connected with driven gear (14), driven gear (14) and driving gear (12) mesh mutually, side pivot (13) bottom threaded connection has vertical sliding sleeve (15), two drive horizontal plates (16) of vertical sliding sleeve (15) left side fixedly connected with, and drive horizontal plate (16) are located rotatory drive plate (9) upper and lower side respectively, vertical sliding sleeve (15) right side fixedly connected with vertical sliding guide arm (17), vertical sliding guide arm (17) and reaction box (1) lateral wall vertical sliding connection.
2. The chemical production equipment with the function of uniformly adding the reaction raw materials according to claim 1, wherein the bottom of the reaction box (1) is fixedly connected with supporting pads (18) in a bilateral symmetry mode.
3. The chemical production equipment with the function of uniformly adding reaction raw materials according to claim 1, wherein the motor (2) is a servo motor, and the motor (2) is electrically connected with a power supply through a control panel.
4. The chemical production equipment with the function of uniformly adding reaction raw materials according to claim 1, wherein the distance between the outer ends of the rotary driving plates (9) is smaller than the longitudinal width of the driving horizontal plate (16) when the rotary driving plates are in a horizontal state.
5. The chemical production equipment with the function of uniformly adding reaction raw materials according to any one of claims 1 to 4, wherein a plurality of groups of inclined guide pipes (19) are communicated with the swinging pipe (4).
6. The chemical production equipment with the function of uniformly adding reaction raw materials according to claim 5, wherein the inclined angle of the inclined conduit (19) is 30-60 °.
7. The chemical production equipment with the function of uniformly adding the reaction raw materials according to claim 1, wherein a discharge outlet (20) is formed at the bottom of the reaction box (1), and an outer cover plate (21) is arranged outside the discharge outlet (20).
8. The chemical production equipment with the function of uniformly adding reaction raw materials as claimed in claim 1, wherein the diameter of the driving gear (12) is larger than that of the driven gear (14).
9. The chemical production equipment with the function of uniformly adding reaction raw materials according to claim 1, wherein the rotating connecting rods (8) are provided with at least five groups.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010678527.5A CN111744431A (en) | 2020-07-15 | 2020-07-15 | Chemical production equipment with reaction raw material uniform adding function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010678527.5A CN111744431A (en) | 2020-07-15 | 2020-07-15 | Chemical production equipment with reaction raw material uniform adding function |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111744431A true CN111744431A (en) | 2020-10-09 |
Family
ID=72711675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010678527.5A Withdrawn CN111744431A (en) | 2020-07-15 | 2020-07-15 | Chemical production equipment with reaction raw material uniform adding function |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111744431A (en) |
-
2020
- 2020-07-15 CN CN202010678527.5A patent/CN111744431A/en not_active Withdrawn
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107313580A (en) | It is a kind of can automatic painting building coating paint device | |
CN207576275U (en) | A kind of chemical industry mixing plant | |
CN202070307U (en) | Double-planet double-power mixing dispersion machine | |
CN113908740B (en) | Intelligent robot mixing and proportioning device for flame-retardant UV (ultraviolet) curing coating production | |
CN111744431A (en) | Chemical production equipment with reaction raw material uniform adding function | |
CN205073913U (en) | Seamless winding agitator tank of area stirring frame | |
CN214106696U (en) | Alpha-ketoglutaric acid layered purification device capable of improving purification uniformity | |
CN113600334A (en) | Digital sand washing recovery workstation | |
CN218475175U (en) | Liquid food additive raw material mixing equipment | |
CN206899489U (en) | A kind of construction site multifunctional mobile mixer | |
CN206437944U (en) | A kind of intelligent ecological sewage disposal system | |
CN206139126U (en) | Secondary flour mixer | |
CN214182819U (en) | Mixing apparatus for chemical raw materials | |
CN203030231U (en) | Pipeline magnetic stirrer | |
CN107160557A (en) | A kind of construction site multifunctional mobile mixer | |
CN210356759U (en) | Agitating unit is used in production of petroleum auxiliary agent | |
CN208145821U (en) | Mixed stirring device is used in a kind of production of activated calcium carbonate | |
CN208213030U (en) | A kind of industrial chemicals mixing plant | |
CN208249400U (en) | A kind of building construction dust protection transport of cement tool | |
CN206978323U (en) | A kind of efficient fertilizing equipment of garden soil | |
CN207012847U (en) | A kind of mechanical stirring device | |
CN206262527U (en) | Swing stirring-type reaction kettle | |
CN216320766U (en) | Tail gas treatment device for fluoride | |
CN212440986U (en) | Mixing arrangement is used in chemical material preparation | |
CN221536385U (en) | Petroleum drilling auxiliary agent mixing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
Application publication date: 20201009 |
|
WW01 | Invention patent application withdrawn after publication |