CN108014860B - Inorganic chemistry experiment operation panel - Google Patents
Inorganic chemistry experiment operation panel Download PDFInfo
- Publication number
- CN108014860B CN108014860B CN201810065187.1A CN201810065187A CN108014860B CN 108014860 B CN108014860 B CN 108014860B CN 201810065187 A CN201810065187 A CN 201810065187A CN 108014860 B CN108014860 B CN 108014860B
- Authority
- CN
- China
- Prior art keywords
- table top
- groove
- movable
- baffle
- recording paper
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
Abstract
The invention belongs to the technical field of experiment operation platforms, and particularly relates to an inorganic chemical experiment operation platform which comprises an operation platform body and a reagent rack arranged on the table top of the operation platform body, wherein protection plates are respectively arranged on two sides of the table top of the operation platform body, a plurality of detachable stop levers are arranged between the two protection plates, a storage box is arranged on the reagent rack, a protection cover is arranged in the storage box, a groove is formed in the table top of the operation platform body, a recording paper protection assembly is arranged in the groove, and the recording paper protection assembly comprises a fixed baffle, a movable baffle, a writing groove and a movable table top. The protective cover is used for preventing liquid in the reaction process from splashing to damage operators, and the recording paper can be effectively prevented from being polluted by scattered reagents by arranging the groove and the recording paper protective assembly.
Description
Technical Field
The invention belongs to the technical field of experiment operation tables, and particularly relates to an inorganic chemical experiment operation table.
Background
The experiment operation table is one of the necessary devices in the chemical experiment, and can be used for placing some reaction reagents and carrying out chemical reaction operation on the table top, and the result is generally recorded in the experiment. A typical laboratory bench includes a table top and a reagent rack disposed on the table top. For example chinese patent CN 107051610a discloses an inorganic chemistry experiment operation panel, including second laboratory bench and lift leg, the support column that second laboratory bench upper surface set up through the left and right sides is fixed with first laboratory bench, and the inside double-deck table that is provided with of second laboratory bench, second laboratory bench lower extreme left and right sides are provided with two drawers, and lift leg lower extreme is equipped with the bleed valve, and lift leg right side is provided with one-way admission valve, and the inside second piston that is equipped with of cylinder, second piston upper end are fixed with the depression bar. This patent is through setting up above-mentioned part, has solved the condition that operating personnel can't normally do the experiment because of the problem of height problem and experimental apparatus height in the experiment, can detach the gas that produces in the experiment.
However, neither the chinese patent CN 107051610a nor the ordinary laboratory bench has a device for protecting the recording paper, and since the operator usually places the recording paper on the table top during the chemical experiment, the result is generally recorded during the experiment, but since the reagent is inevitably spilled on the table top during the chemical experiment, the recording paper directly placed on the table top is easily contaminated by the spilled reagent, and the recorded result is affected.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an inorganic chemical experiment operating table, which solves the problem that the experiment operating table in the prior art is lack of a device for protecting recording paper, so that the recording paper directly placed on a table top is easily polluted by scattered reagents, and the recording result is influenced.
The invention provides an inorganic chemical experiment operating table which comprises an operating table body and a reagent rack arranged on the table top of the operating table body, wherein protection plates are respectively arranged on two sides of the table top of the operating table body, a plurality of detachable stop levers are arranged between the two protection plates, a storage box is arranged on the reagent rack, a protection cover is arranged in the storage box, one end of the protection cover is arranged in the storage box, and the other end of the protection cover is placed on the stop levers;
the table top of the operating table body is provided with a groove, a recording paper protection assembly is arranged in the groove and comprises a fixed baffle, a movable baffle, a writing groove and a movable table top, the fixed baffle is arranged at the upper end of the inner wall at one side of the groove, the movable baffle is rotatably connected to the inner side wall of the groove, the movable baffle can be placed on the fixed baffle when rotating to a horizontal state, a protruding end is reserved, the movable table top is positioned above the movable baffle and can be placed in the groove in a matching manner, the movable table top comprises a first table top and a second table top rotatably connected with the first table top, the side surface of the second table top connected with the first table top is a connecting surface, and the side surface of the second table top opposite to the connecting surface is rotatably connected to the side wall in the groove opposite to the fixed baffle, the writing groove is arranged at the bottom of the second table board, the writing groove is located between the movable baffle and the inner side wall of the groove of the second table board, the writing groove is further provided with a movable baffle, the horizontal distance between the movable baffle and the fixed baffle is smaller than the width of the protruding end, and the vertical distance between the bottom of the movable baffle and the upper surface of the second table board is equal to the depth of the groove.
Preferably, in the above-mentioned inorganic chemical experiment operating platform, one of the protection plates is provided with a plurality of first U-shaped baffles, the other protection plate is provided with a second U-shaped baffle symmetrical to the first U-shaped baffles, and two sides of the stop lever are respectively arranged in the first U-shaped baffles and the second U-shaped baffles.
Preferably, in the above inorganic chemical experiment operating table, the protective cover is provided with an operating opening, and the operating opening is connected with the shielding cover through a zipper.
Preferably, in the above inorganic chemical experiment operating table, a fixing rod is installed in the storage box, and one end of the protective cover is fixedly wrapped on the fixing rod.
Preferably, in the above inorganic chemical experiment operating table, a sponge water-absorbing pad is sleeved on a side wall surrounding the movable table top, and the sponge water-absorbing pad is located between the movable table top and the inner side wall of the groove.
Preferably, in the above inorganic chemical laboratory bench, a fixing clip is installed in the writing groove (6).
Preferably, in the above inorganic chemical experiment operating table, the first table top is provided with a handle.
Compared with the prior art, the inorganic chemical experiment operating platform has the following beneficial effects:
1. utilize the protection casing to prevent that the liquid among the reaction process from splashing and causing the damage to operating personnel, utilize the pin to play the supporting role to the protection casing, place on the pin of difference after folding the protection casing, the scope that the adjustable needs protection also can meet on directly placing the operation panel body mesa with the protection casing down, realizes all-round protection.
2. Through setting up recess and recording paper protection component, the experiment operation panel who has solved among the prior art lacks the device of protection recording paper, leads to directly placing the recording paper on the mesa easily by unrestrained reagent pollution, influences the problem of record result, can effectively protect the recording paper.
3. The sponge water absorption pad is arranged to prevent water from permeating into the groove and the writing groove, and the sleeving manner is convenient to replace; through setting up the fixation clamp for clip the recording paper, be convenient for write, also can prevent that the paper from dropping.
Drawings
FIG. 1 is a schematic perspective view of an inorganic chemical experiment table according to the present invention;
FIG. 2 is a schematic structural view of the inorganic chemical experiment operating platform covered with a protective cover;
FIG. 3 is an enlarged view of a portion of the inorganic chemical experiment station according to the present invention;
FIG. 4 is a schematic perspective view of the groove of the inorganic chemical experiment operating platform and the recording paper protection assembly;
FIG. 5 is a schematic view of the recording paper protection assembly of the inorganic chemical laboratory bench of the present invention located in the groove;
FIG. 6 is a schematic view of the structure of the inorganic chemical experiment operating platform after the first platform surface is rotated to be separated from the writing groove.
Description of reference numerals:
1. the multifunctional reagent box comprises an operation table body, 11 protective plates, 111 first U-shaped baffles, 12 blocking rods, 13 grooves, 2 reagent racks, 21 storage boxes, 211 fixing rods, 3 protective covers, 31 shielding covers, 4 fixing baffles, 5 movable baffles, 6 writing grooves, 61 movable baffles, 7 first table tops and 71 second table tops.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
An inorganic chemical experiment operating table is specifically shown in figures 1-6 and comprises an operating table body 1 and a reagent rack 2 arranged on the table surface of the operating table body 1, wherein two sides of the table surface of the operating table body 1 are respectively provided with a protective plate 11, 2-4 detachable stop levers 12 are arranged between the two protective plates 11, a storage box 21 is arranged on the reagent rack 2, a transparent protective cover 3 is arranged in the storage box 21, one end of the protective cover 3 is fixedly arranged in the storage box 21, and the other end of the protective cover 3 is placed on the stop levers 12;
one side of the table top of the operation table body 1 is provided with a groove 13, a recording paper protection component is arranged in the groove 13 and comprises a rectangular fixed baffle 4, a rectangular movable baffle 5, a writing groove 6 and a rectangular movable table top, the fixed baffle 4 is fixedly arranged at the upper end of the inner wall of one side of the groove 13, the movable baffle 5 is rotatably connected to the inner side wall of the groove 13 and is placed on the fixed baffle 4, the rotatable angle is 0-90 degrees, the length and the width of the movable baffle 5 are both larger than those of the fixed baffle 4, so that the movable baffle 5 can be placed on the fixed baffle 4 when rotating to the horizontal state, a protruding end is reserved, a protruding distance is reserved, the movable table top is positioned above the movable baffle 5 and can be placed in the groove 13 in a matched manner, and the upper surface of the movable table top is flush with the opening edge of the upper end of the groove, the movable table top comprises a first table top 7 and a second table top 71 rotatably connected with the first table top 7 through hinges, the hinges are positioned at opposite vertex angles of the first table top 7 and the second table top 71, so that the first table top 7 can rotate upwards to be approximately overlapped with the second table top 71, one side surface of the second table top 71 connected with the first table top 7 is a connecting surface, the side surface of the second table top 71 opposite to the connecting surface is rotatably connected with the side wall in the groove 13 opposite to the fixed baffle 4, namely, one side of the second table top 71 is rotatably connected with the first table top 7, the other opposite side is rotatably connected with the groove 13, the writing groove 6 is arranged at the bottom of the second table top 71, the width of the second table top 71 is smaller than that of the writing groove 6, namely, when the first table top 7 rotates to be flush with the second table top 71, the writing groove 6 is simultaneously shielded by the first table top 7 and the second table top 71, when the first table top 7 rotates upwards to be approximately overlapped with the second table top, the part of the writing groove 6 below the first table board 7 is exposed, the writing groove 6 is positioned between the movable baffle plate 5 and the inner side wall of the groove 13 provided with the second table board 71, the movable baffle plate 61 is fixedly arranged on the writing groove 6, the horizontal distance between the movable baffle plate 61 and the fixed baffle plate 4 is smaller than the width of the protruding end, the vertical distance between the bottom of the movable baffle plate 61 and the upper surface of the second table board 71 is equal to the depth of the groove 13, when the movable baffle plate 61 is abutted against the bottom of the groove 13, the movable table board is flush with the table board of the operating table body 1, when the movable table board is flush with the table board of the operating table body 1, and the vertical distance between the bottom of the movable baffle plate 61 and the upper surface of the first table board 7 is.
In the embodiment of the invention, a plurality of first U-shaped baffles 111 are arranged on one of the protection plates 11, a second U-shaped baffle which is symmetrical to the first U-shaped baffles 111 is arranged on the other protection plate 11, and two sides of the stop lever 12 are respectively arranged in the first U-shaped baffles 111 and the second U-shaped baffles, so that the detachable connection is realized, and the operation is simple.
According to the inorganic chemical experiment operating table provided by the invention, chemical experiments are carried out on the table top of the operating table body 1, the reagent rack 2 is used for placing reagents, the protective cover 3 is used for placing liquid splashes in the reaction process to damage operators, the protective cover 3 is supported by the stop lever 12, the protective cover 3 is placed on different stop levers 12 after being folded, the range to be protected can be adjusted, and the protective cover 3 can also be directly placed on the table top of the operating table body 1 to be connected, so that all-round protection is realized. The storage box 21 can be used for placing the folded protective cover 3 and the stop lever 12.
By arranging the groove 13 and the recording paper protection assembly, the invention solves the problem that the recording paper directly placed on the table top is easily polluted by scattered reagents and the recording result is influenced because the experiment operating table in the prior art is lack of a device for protecting the recording paper. This subassembly and the cooperation of 1 mesa of operation panel body use, can effectively protect the recording paper, and specific theory of operation is as follows: when the recording paper protection component is not used, the recording paper protection component is placed in the groove 13, as shown in fig. 5, the upper surface of the movable table top is flush with the edge of the opening at the upper end of the groove 13, the movable table top is lapped and placed on the movable baffle 5 and is supported by the fixed baffle 4, and the movable table top can be used as an experiment table top; when data recording is needed, the paper recording protection component is rotated out of the groove 13 as shown in fig. 4, or the first table top 7 is directly opened to expose the writing groove 6 as shown in fig. 6, and data recording is conducted.
In particular, the fixed baffle 4 is used for supporting the movable baffle 5 and further supporting the first table top 7, the bottom of the movable baffle 5 can be supported by the fixed baffle 4, the top can be used for supporting the first table top 7 and the movable baffle 61, when the recording paper protection component is needed to be used, the movable baffle 61, the writing groove 6 and the movable table top are rotated upwards by utilizing the function that the first table top 7 can rotate along the groove 13, because the movable baffle 5 is rotationally connected on the inner side wall of the groove 13, the movable baffle 5 is rotated to be in a vertical state before the movable baffle 61 is rotated upwards, so that the movable baffle is prevented from blocking the movable baffle 61, when the movable baffle 61 rotates out of the groove 13, the movable baffle 5 rotates to be in a horizontal state and is placed on the fixed baffle 4, the movable baffle 61 is put down and supported by the movable baffle 5, and the writing groove 6 is also moved out of the groove 13 along with the movable baffle 61 in the process. If do not use recording paper protection component, raise movable baffle 61 earlier, rotate movable baffle 5 to vertical state, put down movable baffle 61, then rotate movable baffle 5 to the horizontality, at last under the action of gravity, movable baffle 61 and recess 13 bottom butt, write groove 6 and also along with getting into recess 13 including placing the recording paper in writing groove 6 in, second mesa 71 and first mesa 7 are also in the horizontality to by support such as movable baffle 61, writing groove 6.
In the embodiment of the present invention, the protection cover 3 is provided with an operation opening, and a shielding cover 31 for sealing the operation opening is connected to the operation opening by a zipper. The experiment operation can be carried out through the operation port, and the protection area is large. A fixing rod 211 is installed in the storage box 21, and one end of the protection cover 3 is fixedly wrapped on the fixing rod 211. The fixing rod 211 plays a role in fixing the protection cover 3, and the problem that the protection cover 3 drops when protecting is avoided.
In the embodiment of the invention, the sponge absorbent pad is sleeved on the side wall surrounding the movable table top, and the sponge absorbent pad is positioned between the movable table top and the inner side wall of the groove 13. Prevent moisture infiltration in recess 13 and the groove 6 of writing, the mode of cup jointing is convenient for change.
In the embodiment of the present invention, a fixing clip is installed in the writing groove 6 for clipping the recording paper, facilitating writing and also preventing the paper from falling. The handle is arranged on the first table-board 7, so that the first table-board 7 can be conveniently lifted, and the recording paper protection assembly can be conveniently taken out.
It should be noted that when the following claims refer to numerical ranges, it should be understood that both ends of each numerical range and any value between the two ends can be selected, and since the steps and methods used are the same as those of the above embodiments, the preferred embodiments of the present invention have been described for the purpose of preventing redundancy, but once the basic inventive concept is known, those skilled in the art may make other variations and modifications to these embodiments. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The inorganic chemical experiment operating table is characterized by comprising an operating table body (1) and a reagent frame (2) arranged on the table top of the operating table body (1), wherein two sides of the table top of the operating table body (1) are respectively provided with a protective plate (11), a plurality of detachable stop levers (12) are arranged between the two protective plates (11), a storage box (21) is arranged on the reagent frame (2), a protective cover (3) is arranged in the storage box (21), one end of the protective cover (3) is arranged in the storage box (21), and the other end of the protective cover is arranged on the stop levers (12);
the table top of the operating table body (1) is provided with a groove (13), a recording paper protection assembly is installed in the groove (13), the recording paper protection assembly comprises a fixed baffle (4), a movable baffle (5), a writing groove (6) and a movable table top, the fixed baffle (4) is installed at the upper end of the inner wall of one side of the groove (13), the movable baffle (5) is rotatably connected to the inner side wall of the groove (13), the movable baffle (5) can be placed on the fixed baffle (4) when rotating to the horizontal state, a protruding end is reserved, the movable table top is located above the movable baffle (5), the movable table top can be placed in the groove (13) in a matched mode, the movable table top comprises a first table top (7) and a second table top (71) rotatably connected with the first table top (7), and the side face, connected with the first table top (7), of the second table top (71) is a connecting face, the side face, opposite to the connecting face, of the second table top (71) is rotatably connected to the side wall, opposite to the fixed baffle (4), in the groove (13), the writing groove (6) is installed at the bottom of the second table top (71), the writing groove (6) is located between the movable baffle (5) and the inner side wall of the groove (13) where the second table top (71) is installed, a movable baffle (61) is further installed on the writing groove (6), the horizontal distance between the movable baffle (61) and the fixed baffle (4) is smaller than the width of the protruding end, and the vertical distance between the bottom of the movable baffle (61) and the upper surface of the second table top (71) is equal to the depth of the groove (13); when the recording paper protection assembly is not used, the recording paper protection assembly is placed in the groove (13), the upper surface of the movable table top is flush with the edge of an opening at the upper end of the groove (13), and when data recording is needed, the recording paper protection assembly can rotate out of the groove (13).
2. The inorganic chemical experiment operating table of claim 1, wherein a plurality of first U-shaped baffles (111) are installed on one of the protection plates (11), a second U-shaped baffle which is symmetrical to the first U-shaped baffles (111) is installed on the other protection plate (11), and two sides of the stop lever (12) are respectively arranged in the first U-shaped baffles (111) and the second U-shaped baffles.
3. The inorganic chemical experiment operating table according to claim 1, wherein an operating opening is formed in the protective cover (3), and a shielding cover (31) is connected to the operating opening through a zipper.
4. The inorganic chemical experiment operating table of claim 1, wherein a fixing rod (211) is installed in the storage box (21), and one end of the protective cover (3) is fixedly wrapped on the fixing rod (211).
5. The inorganic chemical experiment operating table as claimed in claim 1, wherein sponge absorbent pads are sleeved on the side walls surrounding the movable table top and are positioned between the movable table top and the inner side walls of the grooves (13).
6. Inorganic chemical laboratory bench according to claim 1, characterized in that a retaining clip is mounted in the writing channel (6).
7. The inorganic chemical laboratory bench of claim 1 wherein said first table top (7) has a handle mounted thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065187.1A CN108014860B (en) | 2018-01-23 | 2018-01-23 | Inorganic chemistry experiment operation panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065187.1A CN108014860B (en) | 2018-01-23 | 2018-01-23 | Inorganic chemistry experiment operation panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108014860A CN108014860A (en) | 2018-05-11 |
| CN108014860B true CN108014860B (en) | 2020-04-14 |
Family
ID=62075294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065187.1A Active CN108014860B (en) | 2018-01-23 | 2018-01-23 | Inorganic chemistry experiment operation panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108014860B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140075Y (en) * | 2008-01-08 | 2008-10-29 | 山西太钢不锈钢股份有限公司 | Mobile sampling operation bench |
| CN201223800Y (en) * | 2008-07-09 | 2009-04-22 | 栾元敏 | Combined type experimental bench unit |
| CN203711069U (en) * | 2014-01-09 | 2014-07-16 | 刘姝含 | Chemical experiment operating platform with fire extinguishing device |
| CN204638241U (en) * | 2015-05-28 | 2015-09-16 | 李乐天 | A kind of portable bench for chemistry experiment |
| KR20160083611A (en) * | 2014-12-31 | 2016-07-12 | 대구한의대학교산학협력단 | fume Hood for a laboratory |
| CN206121801U (en) * | 2016-10-11 | 2017-04-26 | 叶国平 | Pathology department is with operation panel of drawing materials |
| CN206549685U (en) * | 2017-03-20 | 2017-10-13 | 三峡食品药品检验检测中心 | Laboratory multi-functional operation platform |
-
2018
- 2018-01-23 CN CN201810065187.1A patent/CN108014860B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140075Y (en) * | 2008-01-08 | 2008-10-29 | 山西太钢不锈钢股份有限公司 | Mobile sampling operation bench |
| CN201223800Y (en) * | 2008-07-09 | 2009-04-22 | 栾元敏 | Combined type experimental bench unit |
| CN203711069U (en) * | 2014-01-09 | 2014-07-16 | 刘姝含 | Chemical experiment operating platform with fire extinguishing device |
| KR20160083611A (en) * | 2014-12-31 | 2016-07-12 | 대구한의대학교산학협력단 | fume Hood for a laboratory |
| CN204638241U (en) * | 2015-05-28 | 2015-09-16 | 李乐天 | A kind of portable bench for chemistry experiment |
| CN206121801U (en) * | 2016-10-11 | 2017-04-26 | 叶国平 | Pathology department is with operation panel of drawing materials |
| CN206549685U (en) * | 2017-03-20 | 2017-10-13 | 三峡食品药品检验检测中心 | Laboratory multi-functional operation platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108014860A (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108014860B (en) | Inorganic chemistry experiment operation panel | |
| CN212745846U (en) | Data analysis and evaluation device | |
| CN208688482U (en) | A kind of level portable unit | |
| CN210604632U (en) | Protective cover for soil detector | |
| CN206463981U (en) | A kind of novel agent storing bottle and case | |
| CN216835242U (en) | Part accommodating and storing device for metal part machining | |
| CN205146284U (en) | Experimental worktable | |
| CN215575266U (en) | Movable chip sampling detection platform | |
| CN215314612U (en) | Fume chamber for toxic chemistry experiments | |
| DE9419853U1 (en) | Height-adjustable carriage that can be moved in a channel as a carrier for a channel processing device | |
| CN214297007U (en) | Multifunctional atmospheric sampling box | |
| CN216165877U (en) | Emergency rescue scene command table | |
| CN209680152U (en) | A kind of chromatographic column rack | |
| CN216410657U (en) | Vehicle-mounted breather valve calibration device | |
| CN215153571U (en) | Automatic storage device of drawing instrument | |
| CN220940794U (en) | Laboratory glass instrument cabinet | |
| CN220843787U (en) | Packaging carton with dampproofing function | |
| JPS6127001Y2 (en) | ||
| CN220949090U (en) | Equipment containing box | |
| CN214671310U (en) | Electronic equipment is used in english teaching | |
| CN215493961U (en) | Liquid nitrogen environment object carrying device and liquid nitrogen manual probe station applied to wafer test | |
| CN216149801U (en) | High school chemistry teaching auxiliary experiment table | |
| CN210514209U (en) | Thin-layer chromatography color development spray box | |
| CN212370257U (en) | Blood transfusion branch of academic or vocational study examines blood vessel and deposits and use device | |
| CN210383161U (en) | Sample placing rack |
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 | ||
| CB02 | Change of applicant information |
Address after: No. 548 Zhengshang Road, Zhengzhou, Henan Province Applicant after: HENAN VOCATIONAL COLLEGE OF APPLIED TECHNOLOGY Address before: 450042 Zhengshang Road, Kaifeng City, Henan Province, No. 548 Applicant before: HENAN VOCATIONAL COLLEGE OF APPLIED TECHNOLOGY |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |