CN112934890B - Glassware cleaning device and method for deeply cleaning test tube - Google Patents
Glassware cleaning device and method for deeply cleaning test tube Download PDFInfo
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- CN112934890B CN112934890B CN202110097865.4A CN202110097865A CN112934890B CN 112934890 B CN112934890 B CN 112934890B CN 202110097865 A CN202110097865 A CN 202110097865A CN 112934890 B CN112934890 B CN 112934890B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/36—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by using brushes
Abstract
The invention is suitable for the field of experimental equipment, and provides a glassware washing device and a method for deeply washing test tubes, wherein the device comprises: mount pad and mounting, mounting setting are in one side of mount pad, and its glassware belt cleaning device still includes: the extrusion assembly is arranged on one side of the mounting seat close to the fixing piece and can rotate around the axis of the extrusion assembly; the adjusting assembly is arranged between the extrusion assembly and the mounting seat and is connected with the extrusion assembly; centre gripping subassembly, centre gripping subassembly set up the one side that is close to extrusion subassembly at the mounting, through centre gripping subassembly treats that abluent glassware carries out the centre gripping fixed, the rethread extrusion subassembly is put into and is treated rotating in the abluent glassware and wash, and pass through the regulating assembly drives reciprocal linear motion is made to extrusion subassembly, changes the washing position, reduces artifical contact glassware, and is cleaner to glassware washing, has prevented that glassware is broken and has caused the potential safety hazard.
Description
Technical Field
The invention belongs to the field of experimental equipment, and particularly relates to a glassware cleaning device and a method for deeply cleaning test tubes.
Background
The glassware made of glass is used, in the chemical field, people often contact glassware such as test tubes, and the cleaning of the glassware such as the test tubes is a necessary process after chemical experiments are carried out;
the existing glass cleaning technology basically washes glassware with water manually, and then uses a brush to clean the glassware;
for the manual cleaning mode, after a chemical experiment, various stains are easy to remain in the test tube, the test tube can be damaged after being contacted with a human body, and glassware with different diameters and lengths is easy to damage when being cleaned, so that potential safety hazards are caused.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a glassware washing apparatus and a method for deep washing test tubes, which are intended to solve the problems in the background art.
The embodiment of the invention is realized in such a way that the glassware washing device comprises an installation seat and a fixing piece, wherein the fixing piece is arranged on one side of the installation seat, and the glassware washing device also comprises:
the extruding component is arranged on one side, close to the fixing piece, of the mounting seat, can rotate around the axis of the extruding component, and is used for rotationally cleaning stains in the glassware to be cleaned;
the adjusting assembly is arranged between the extrusion assembly and the mounting seat, is connected with the extrusion assembly and is used for driving the extrusion assembly to do reciprocating linear motion in the horizontal direction so as to adjust the cleaning position in the glassware to be cleaned;
the clamping assembly, the clamping assembly sets up the mounting is close to one side of extrusion subassembly, the clamping assembly with be used for placing between the extrusion subassembly and treat abluent glassware, the clamping assembly is used for will treating abluent glassware to carry out the centre gripping fixed.
Another object of an embodiment of the present invention is to provide a method for deep cleaning test tubes, which uses the above glassware cleaning apparatus, and comprises the following steps: treat abluent test tube bottom through centre gripping subassembly and carry out the centre gripping fixed, treat abluent in vitro through putting into extrusion subassembly again to rotate and wash, right through adjusting part extrusion subassembly's position is adjusted, in order to drive extrusion subassembly carries out reciprocal linear motion in treating abluent test tube inside, makes extrusion subassembly treats abluent test tube inside different positions and washs.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following technical effects:
according to the glassware cleaning device provided by the embodiment of the invention, glassware to be cleaned is clamped and fixed through the clamping assembly, then the extruding assembly is placed into the glassware to be cleaned for rotary cleaning, and the position of the extruding assembly is adjusted through the adjusting assembly so as to adjust the cleaning position of the inner wall of the glassware to be cleaned by the extruding assembly; the cleaning of the glass ware by the human body is reduced, the cleaning degree of the glass ware is increased, and the potential safety hazard caused by the damage of the glass ware is reduced.
Drawings
FIG. 1 is a schematic mechanical diagram of a glassware washing apparatus in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the compression assembly of FIG. 1;
FIG. 3 is a schematic view of the clamping assembly of FIG. 1;
fig. 4 is a perspective view of the clamping assembly of fig. 1.
In the drawings: 1-mounting a base; 2-a power supply; 3-a fixing piece; 4-a slide; 5, rotating the rod; 6-a first transfer lever; 7-a limiting member; 8-limiting holes; 9-a second transmission rod; 10-a first support bar; 11-a second support bar; 12-first hand rocker; 13-a first elastic component; 14-a resilient plate; 15-a brush; 16-a rotating shaft; 17-a second elastic component; 18-bolt; 19-a slide block; 20-second hand rocker; 21-rotating rod; 22-threads; 23-a third elastic component; 24-a support arm; 25-a baffle plate; 26-an extrusion; 27-a fourth elastic component; 28-a power drive; 29-chute.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a configuration of a glassware washing apparatus provided in accordance with an embodiment of the present invention includes:
a glassware belt cleaning device, includes mount pad 1 and mounting 3, mounting 3 sets up one side of mount pad 1, glassware belt cleaning device still includes:
the extruding component is arranged on one side, close to the fixing piece 3, of the mounting seat 1, can rotate around the axis of the extruding component, and is used for rotationally cleaning stains in glassware to be cleaned;
the adjusting assembly is arranged between the extruding assembly and the mounting seat 1, is connected with the extruding assembly and is used for driving the extruding assembly to do reciprocating linear motion in the horizontal direction so as to adjust the cleaning position in the glassware to be cleaned;
the clamping assembly is arranged on one side, close to the extrusion assembly, of the fixing piece 3, a glassware to be cleaned is placed between the clamping assembly and the extrusion assembly, and the clamping assembly is used for clamping and fixing the glassware to be cleaned;
in the embodiment of the invention, the bottom of a glassware to be cleaned is clamped and fixed by the clamping assembly, then the glassware to be cleaned is placed into the glassware to be cleaned by the extrusion assembly for extrusion, rotation and cleaning, and the position of the extrusion assembly is adjusted by the adjusting assembly so as to enable the extrusion assembly to do reciprocating linear motion in the horizontal direction, so that the position of the extrusion assembly for cleaning the inner wall of the glassware to be cleaned is changed, the contact of a human body on the glassware is reduced, the cleaning degree of the glassware is increased, and the potential safety hazard caused by damage of the glassware is reduced.
As shown in fig. 1, as a preferred embodiment of the present invention, the adjusting assembly includes a power mechanism and a limiting mechanism, the power mechanism is disposed in the mounting base 1, the limiting mechanism is disposed between the mounting base 1 and the extruding assembly, the power mechanism is connected to the limiting mechanism, the power mechanism is configured to provide power to enable the extruding assembly to perform circular motion, and the limiting mechanism is configured to limit the extruding assembly so as to enable the extruding assembly to perform reciprocating linear motion in a horizontal direction.
As shown in fig. 1, as another preferred embodiment of the present invention, the power mechanism includes a sliding part 4 and a power driving device 28, the sliding part 4 is disposed on one side of the mounting seat 1 close to the extrusion assembly, the sliding part 4 is connected to the extrusion assembly, the sliding part 4 is slidably connected to the mounting seat 1, the power driving device 28 is disposed inside the mounting seat 1, an output end of the power driving device 28 is provided with a rotating rod 5, one end of the rotating rod 5 away from the power driving device 28 is provided with a first transmission rod 6, one end of the first transmission rod 6 away from the rotating rod 5 is provided with a second transmission rod 9, and the second transmission rod 9 is hinged to the sliding part 4;
the power driving device 28 provides power to rotate the rotating rod 5, and then the first transmission rod 6 and the second transmission rod 9 drive the sliding part 4 to rotate, so that the sliding part 4 drives the extrusion assembly to make circular motion;
As shown in fig. 1, as another preferred embodiment of the present invention, the limiting mechanism includes a sliding groove 29, the sliding groove 29 is disposed on one side of the mounting base 1 close to the sliding member 4, the sliding groove 29 is engaged with the sliding member 4, one end of the first transmission rod 6 close to the rotation rod 5 is provided with a limiting hole 8, one end of the rotation rod 5 close to the limiting hole 8 is provided with a limiting member 7, and the limiting hole 8 is engaged with the limiting member 7;
the power mechanism drives the sliding part 4 to do circular motion, so that the limiting part 7 slides in the limiting hole 8 to offset the force generated by the sliding part 4 in the vertical direction, and the sliding part 4 makes reciprocating linear sliding in the horizontal direction to drive the extrusion assembly to do reciprocating linear motion in the horizontal direction;
and a limiting block is arranged at one end, close to the mounting seat 1, of the sliding part 4, the limiting block is matched with the sliding groove 29, and the limiting block and the sliding groove 29 are used for limiting the sliding part 4 to be driven by the power mechanism to move in the vertical direction.
As shown in fig. 2, as another preferred embodiment of the present invention, the squeezing assembly includes a telescopic mechanism and a rotating mechanism, the telescopic mechanism is disposed on one side of the fixing member 3 close to the clamping assembly, the rotating mechanism is disposed on the periphery of the telescopic mechanism, the rotating mechanism is connected to the telescopic mechanism, the telescopic mechanism is configured to adjust a cleaning distance of the squeezing assembly on a sidewall of the glassware to be cleaned, and the rotating mechanism is configured to rotationally clean stains on an inner wall of the glassware to be cleaned.
As shown in fig. 2, as another preferred embodiment of the present invention, the telescopic mechanism includes a first support rod 10 and a second support rod 11, the second support rod 11 is connected to the adjusting assembly, a second elastic assembly 17 is disposed inside the second support rod 10, the first support rod 10 is connected to the second support rod 11 through the second elastic assembly 17, the first support rod 10 performs telescopic motion relative to the second support rod 11 in a horizontal direction, a rotating shaft 16 is disposed at an end of the first support rod 10 away from the second support rod 11, and a first hand rocker 12 is disposed at an end of the second support rod 11 away from the first support rod 10;
by rotating the first hand-operated lever 12 to change the distance between the rotating shaft 16 and the bolt 18, the first support rod 10 and the second support rod 11 make relative telescopic movement in the horizontal direction, so as to adjust the total length of the first support rod 10 and the second support rod 11, so as to clean the bottoms of glassware to be cleaned with different lengths;
a bolt 18 is arranged at one end of the second support rod 11, which is far away from the first support rod 10, a first hand rocker 12 is arranged between the rotating shaft 16 and the bolt 18, and the first hand rocker 12 is in threaded connection with the bolt 18;
the first hand rocking bar 12 is a screw rod, and the first hand rocking bar 12 can be selected according to requirements, and the first hand rocking bar 12 is in threaded connection with the bolt 18.
As shown in fig. 1-2, as another preferred embodiment of the present invention, the rotating mechanism includes an elastic plate 14 and a power supply part 2, the power supply part 2 is connected to the second support bar 11, the power supply part 2 is used for providing power to rotate the first support bar 10 and the second support bar 11, the elastic plate 14 is disposed on the periphery of the first support bar 10 and the second support bar 11, a first elastic component 13 is disposed between the elastic plate 14 and the first support bar 10, the elastic plate 14 is connected to the first support bar 10 through the first elastic component 13, and a brush 15 is disposed on a side of the elastic plate 14 away from the first elastic component 13;
the elastic force is provided by the first elastic assembly 13, so that the elastic plate 14 is far away from the first supporting rod 10, after the elastic plate 14 is placed in a glassware to be cleaned, the power supply part 2 provides power to enable the first supporting rod 10 and the second supporting rod 11 to rotate, and the brush 15 is enabled to clean stains on the inner walls of the glassware to be cleaned with different diameters;
a plurality of elastic plates 14 are arranged on the peripheries of the first support rod 10 and the second support rod 11 of the elastic plates 14, and the elastic plates 14 provide elasticity through the first elastic assembly 13 to extrude the inner wall of the glassware to be cleaned, so that the inner wall of the glassware to be cleaned can be cleaned when the first support rod 10 and the second support rod 11 rotate;
the first elastic assembly 13 can adopt a spring, a hydraulic rod and the like, the preferred flexible spring is adopted, and the first elastic assembly 13 provides elastic force, so that the interior of a glass vessel to be cleaned can be squeezed and cleaned, and the glass vessel to be cleaned cannot be damaged.
As shown in fig. 3-4, as another preferred embodiment of the present invention, the clamping assembly includes a sliding block 19, a supporting arm 24 and a fixing structure, the sliding block 19 is disposed on one side of the fixing member 3 close to the extruding assembly, the sliding block 19 is symmetrically disposed on the fixing member 3, the supporting arm 24 is disposed between the sliding blocks 19, the supporting arm 24 is symmetrically disposed in the sliding block 19, a third elastic assembly 23 is disposed between the supporting arm 24 and the sliding block 19, one end of the sliding block 19 close to the fixing member 3 is provided with a thread 22, a rotating rod 21 is disposed in the thread 22, and one end of the rotating rod 21 is provided with a second hand rocker 20;
the rotating rod 21 is rotated through the second rocker arm 20, so that the sliding blocks 19 slide on the fixing part 3, the distance between the sliding blocks 19 is adjusted, and the distance between the support arms 24 is adjusted, so that glassware to be cleaned is clamped and fixed;
the shape of the support arm 24 can be selected from a U shape, a rectangle shape and the like, and is preferably a sector shape, and the distance between two ends of the sector shape of the support arm 24 can be changed, so that the support arm 24 can clamp round glassware more stably;
a third elastic component 23, said third elastic component 23 being preferably a hard spring here, and optionally, said third elastic component 23 being used to connect said arm 24 and said slider 19.
As shown in fig. 3 to 4, as another preferred embodiment of the present invention, the fixing structure includes a pressing member 26 and a blocking plate 25, the pressing member 26 is disposed on a side of the arm 24 close to the slider 19, the blocking plate 25 is disposed on a side of the arm 24 away from the slider 19, the blocking plate 25 is connected to the pressing member 26, and a fourth elastic member 27 is disposed between the pressing member 26 and the arm 24;
the baffle 25 is pressed by the glassware to be cleaned, so as to drive the extrusion piece 26 to apply force to the fourth elastic assembly 27, and thus the support arm 24 moves towards the baffle 25 for extruding and fixing the glassware to be cleaned;
an extrusion 26, the shape of which extrusion 26 may be circular, rectangular, etc., where circular is preferred, whereby movement of the extrusion 26 on the side of the arm 24 adjacent the slide plate 19 causes the fourth resilient member 27 to urge the arm 24 to vary the distance between the ends of the arm 24, causing the arm 24 to grip the glassware to be cleaned.
As shown in fig. 1 to 4, an embodiment of the present invention further provides a method for deep cleaning a test tube, which uses the above-mentioned glassware cleaning apparatus, and comprises the following steps: the bottom of a test tube to be cleaned is clamped and fixed through a clamping assembly, an extrusion assembly is placed into the test tube to be cleaned and is rotationally cleaned, the position of the extrusion assembly is adjusted through an adjusting assembly, so that the extrusion assembly is driven to perform reciprocating linear motion in the test tube to be cleaned, and different positions in the test tube to be cleaned are cleaned through the extrusion assembly;
the bottom of a test tube to be cleaned is clamped and fixed through a clamping assembly, an extrusion assembly is placed into the test tube to be cleaned and is rotated for cleaning, and the position of the extrusion assembly is adjusted through an adjusting assembly so as to drive the extrusion assembly to perform reciprocating linear motion in the test tube to be cleaned, so that the extrusion assembly can clean different positions in the test tube to be cleaned;
in this embodiment, the method for deep cleaning the test tube comprises the following steps:
step 1: the supporting arm 24 clamps and fixes the bottom of the glassware to be cleaned by moving the sliding block 19;
step 2: the distance between the two ends of the support arm 24 is pushed by the fixing structure, and the bottom of the glassware to be cleaned is clamped and fixed;
and step 3: the length of the extrusion assembly is adjusted through the telescopic structure, so that the extrusion assembly is placed in a glass vessel to be cleaned;
and 4, step 4: rotating and cleaning the interior of the glassware to be cleaned through the rotation of the extrusion assembly;
and 5: the position of the extrusion assembly in the horizontal direction is adjusted through the adjusting assembly, so that the extrusion assembly can clean different positions in the glassware to be cleaned;
step 6: and opening the clamping component by taking out the squeezing component, and then taking out the cleaned glassware.
The invention provides a glassware cleaning device, and provides a method for deeply cleaning test tubes for the glassware cleaning device, wherein the bottom of a glassware to be cleaned is clamped and fixed through a clamping assembly, then an extrusion assembly is placed into the glassware to be cleaned, the extrusion assembly is rotated and cleaned in the glassware to be cleaned, and the position of the extrusion assembly is adjusted through an adjusting assembly, so that the extrusion assembly cleans different positions in the glassware to be cleaned; the contact between a human body and the glassware is reduced, the cleaning degree of the glassware is increased, and the potential safety hazard caused by breakage of the glassware is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a glassware belt cleaning device, includes mount pad and mounting, the mounting sets up one side of mount pad, its characterized in that, glassware belt cleaning device still includes:
the extruding component is arranged on one side, close to the fixing piece, of the mounting seat, can rotate around the axis of the extruding component, and is used for rotationally cleaning stains in glassware to be cleaned;
the adjusting assembly is arranged between the extruding assembly and the mounting seat, is connected with the extruding assembly and is used for driving the extruding assembly to do reciprocating linear motion in the horizontal direction so as to adjust the cleaning position of the extruding assembly in the glassware to be cleaned;
the clamping assembly is arranged on one side, close to the extrusion assembly, of the fixing piece, and glassware to be cleaned is placed between the clamping assembly and the extrusion assembly;
the extruding assembly comprises a telescopic mechanism and a rotating mechanism, the telescopic mechanism is arranged on one side, close to the clamping assembly, of the fixing piece, the rotating mechanism is arranged on the periphery of the telescopic mechanism, the rotating mechanism is connected with the telescopic mechanism, the telescopic mechanism is used for adjusting the cleaning distance of the extruding assembly on the side wall of the glassware to be cleaned, and the rotating mechanism is used for rotationally cleaning stains on the inner wall of the glassware to be cleaned;
the telescopic mechanism comprises a first supporting rod and a second supporting rod, the second supporting rod is connected with the adjusting assembly, a second elastic assembly is arranged in the second supporting rod, the first supporting rod is connected with the second supporting rod through the second elastic assembly, the first supporting rod makes telescopic motion relative to the second supporting rod in the horizontal direction, a rotating shaft is arranged at one end, away from the second supporting rod, of the first supporting rod, and a first hand rocker is arranged at one end, away from the first supporting rod, of the second supporting rod, which is arranged between the first supporting rods;
the rotating mechanism comprises an elastic plate and a power supply part, the power supply part is connected with the second supporting rod, the power supply part is used for providing electric power to enable the first supporting rod and the second supporting rod to rotate, the elastic plate is arranged on the periphery of the first supporting rod and the periphery of the second supporting rod, a first elastic assembly is arranged between the elastic plate and the first supporting rod, the elastic plate is connected with the first supporting rod through the first elastic assembly, and a brush is arranged on one side, away from the first elastic assembly, of the elastic plate.
2. The glassware cleaning device of claim 1, wherein the adjustment assembly includes a power mechanism and a limiting mechanism, the power mechanism is disposed in the mounting seat, the limiting mechanism is disposed between the mounting seat and the squeezing assembly, the power mechanism is connected to the limiting mechanism, the power mechanism is configured to provide power to enable the squeezing assembly to perform circular motion, and the limiting mechanism is configured to limit the squeezing assembly to perform reciprocating linear motion in a horizontal direction.
3. A glassware belt cleaning device according to claim 2, characterized in that, power unit includes slider and power drive, the slider sets up the mount pad is close to one side of extrusion subassembly, the slider with the extrusion subassembly is connected, the slider with mount pad sliding connection, power drive sets up inside the mount pad, power drive's output is provided with the dwang, the dwang is kept away from power drive's one end sets up first transfer line, first transfer line is kept away from the one end of dwang is provided with the second transfer line, the second transfer line with the slider is articulated.
4. A glassware cleaning device according to claim 3, characterized in that, the limiting mechanism includes a sliding groove, the sliding groove is provided at one side of the mounting seat close to the sliding member, the sliding groove is engaged with the sliding member, one end of the first transmission rod close to the rotation rod is provided with a limiting hole, one end of the rotation rod close to the limiting hole is provided with a limiting part, and the limiting hole is engaged with the limiting part.
5. A glassware cleaning device according to claim 1, wherein the clamping assembly includes a slider, a support arm and a fixing structure, the slider is disposed on a side of the fixing member adjacent to the pressing assembly, the slider is symmetrically disposed on the fixing member, the support arm is disposed between the sliders, the support arm is symmetrically disposed in the slider, a third elastic assembly is disposed between the support arm and the slider, a thread is disposed at an end of the slider adjacent to the fixing member, a rotation rod is disposed in the thread, and a second hand rocker is disposed at an end of the rotation rod.
6. A glassware washing apparatus as claimed in claim 5, wherein the mounting structure includes an extrusion member disposed on a side of the arm adjacent the slide and a stop disposed on a side of the arm remote from the slide, the stop being connected to the extrusion member, and a fourth resilient member is disposed between the extrusion member and the arm.
7. Method for the deep washing of test tubes, characterized in that with a glassware washing apparatus according to any one of claims 1-6, said method for the deep washing of test tubes comprises the following steps: treat abluent test tube bottom through centre gripping subassembly and carry out the centre gripping fixed, treat abluent in vitro through putting into extrusion subassembly again to rotate and wash, right through adjusting part extrusion subassembly's position is adjusted, in order to drive extrusion subassembly carries out reciprocal linear motion in treating abluent test tube inside, makes extrusion subassembly treats abluent test tube inside different positions and washs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097865.4A CN112934890B (en) | 2021-01-25 | 2021-01-25 | Glassware cleaning device and method for deeply cleaning test tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097865.4A CN112934890B (en) | 2021-01-25 | 2021-01-25 | Glassware cleaning device and method for deeply cleaning test tube |
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| CN112934890A CN112934890A (en) | 2021-06-11 |
| CN112934890B true CN112934890B (en) | 2022-12-23 |
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| CN116908145B (en) * | 2023-06-30 | 2024-03-26 | 江苏晶瑞玻璃有限公司 | Fingerprint-proof high-light-transmittance glassware detection device and detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160024556A (en) * | 2014-08-26 | 2016-03-07 | 오영지 | Pumping Brush |
| CN106820560A (en) * | 2015-12-07 | 2017-06-13 | 重庆市涪陵区傅记商贸有限公司 | A kind of hand-rail type toilet brush |
| CN210450200U (en) * | 2019-06-24 | 2020-05-05 | 上海申越生物科技有限公司 | Rotation type tube cleaning device |
| CN210182932U (en) * | 2019-09-25 | 2020-03-24 | 芦南海 | Wire ring wire pressing clamp |
| CN110695780B (en) * | 2019-11-18 | 2021-11-09 | 合肥森岑汽车用品有限公司 | Pipe polishing device |
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Effective date of registration: 20221129 Address after: 350200 No.28 Yuhuan Road, Shouzhan New District, Changle District, Fuzhou City, Fujian Province Applicant after: FUZHOU College OF FOREIGN STUDIES AND TRADE Address before: 350200 No.28 Yuhuan Road, Shouzhan New District, Changle District, Fuzhou City, Fujian Province Applicant before: Lin Ling |
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