CN114392778B - Control system of biological safety cabinet - Google Patents

Control system of biological safety cabinet Download PDF

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Publication number
CN114392778B
CN114392778B CN202210102328.9A CN202210102328A CN114392778B CN 114392778 B CN114392778 B CN 114392778B CN 202210102328 A CN202210102328 A CN 202210102328A CN 114392778 B CN114392778 B CN 114392778B
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China
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block
adjusting
motor
protection
moving
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CN202210102328.9A
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CN114392778A (en
Inventor
姚昆鹏
邢洪强
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Qingdao Jiuwei Medical Innovation Research Institute Co ltd
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Qingdao Jiuwei Medical Innovation Research Institute Co ltd
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Publication of CN114392778A publication Critical patent/CN114392778A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00Enclosures; Chambers
    • B01L1/50Enclosures; Chambers for storing hazardous materials in the laboratory, e.g. cupboards, waste containers

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The application relates to the technical field of experimental equipment, in particular to a control system of a biological safety cabinet, which comprises a first protection mechanism and a protection control structure, wherein the first protection mechanism and the protection control structure are arranged on a cabinet body; the protection control structure is connected with the connecting block. The application has the effect of reducing potential safety hazards.

Description

Control system of biological safety cabinet
Technical Field
The application relates to the technical field of experimental equipment, in particular to a control system of a biological safety cabinet.
Background
The control system of the biological safety cabinet is a box-shaped air purification negative pressure safety device which can prevent aerosol from dissipating when some dangerous or unknown biological particles are contained in the experimental operation and treatment process.
At present, the chinese patent with the publication number CN211562994U discloses a biosafety cabinet control system with good sealing performance, which relates to the technical field of biosafety cabinet control systems, and comprises a biosafety cabinet control system body, wherein a window installation frame with a rectangular structure is embedded in the biosafety cabinet control system body, a window which is matched with the window installation frame is fixedly installed in the window installation frame, and an operation assembly is fixedly installed at the bottom of the window.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: when an operator performs an experiment, the legs of the operator easily collide with the biological safety cabinet control system, and then reagents in the biological safety cabinet control system are spilled, so that potential safety hazards are brought.
Disclosure of Invention
In order to reduce the potential safety hazard, the application provides a biological safety cabinet control system.
The application provides a biological safety cabinet control system adopts following technical scheme:
a control system of a biological safety cabinet comprises a first protection mechanism and a protection control structure which are arranged on a cabinet body, wherein the first protection mechanism comprises a connecting block and a protection pad; the protection control structure is connected with the connecting block.
By adopting the technical scheme, when an operator performs a test by using the safety cabinet body, the leg of the operator is abutted against the protective pad, so that the direct impact of the operator on the cabinet body is reduced; therefore, the arranged first protection mechanism can reduce potential safety hazards.
Optionally, a sliding groove is formed in the cabinet body, the protection control structure includes a moving block and a moving assembly, the moving block is slidably disposed in the sliding groove, and the connecting block is disposed on the moving block; the moving assembly comprises a moving motor, a helical gear and a helical rack, the moving motor is arranged on the moving block, and the helical gear is arranged on the moving motor; the helical rack is arranged on the cabinet body and meshed with the helical gear.
By adopting the technical scheme, the output shaft of the mobile motor drives the helical gear to rotate, and the helical gear meshed with the helical gear is fixed, so that the mobile block can slide in the chute when the helical gear rotates, and the mobile block drives the position of the connecting block to change, so that the protective cushion moves to a position to be used; the protection control structure who sets up can improve application scope.
Optionally, a second protection mechanism is arranged on the cabinet body, the second protection mechanism includes a storage block, a rotating shaft, a protection plate and a storage motor, the storage block is arranged on the cabinet body, and the rotating shaft is rotatably arranged on the storage block; the protection plate covers the sliding groove and comprises connecting plates, two adjacent connecting plates are hinged to each other, the connecting plate at one end of the protection plate is connected to the moving block, and the connecting plate at the other end of the protection plate is connected to the containing block; the storage motor is arranged on the storage block and connected with the rotating shaft.
Through adopting above-mentioned technical scheme, when the movable block removed, the output shaft of accomodating the motor drove the pivot and rotates, and the pivot drives the connecting plate motion of guard plate, makes the protection that the connecting plate is constituteed be in the state of straightening to the protection that the messenger connecting plate is constituteed can be better cover the spout.
Optionally, an adjusting mechanism is arranged on the accommodating block, the adjusting mechanism includes an adjusting motor, a shifting block and an adjusting block, the adjusting motor is arranged on the accommodating block, and the shifting block is arranged on the adjusting motor; the adjusting block is arranged on the connecting plate, and an adjusting groove matched with the shifting block is formed in the adjusting block.
By adopting the technical scheme, the adjusting motor is started, the output shaft of the adjusting motor drives the shifting block to move, the shifting block can be clamped with the adjusting groove of the adjusting block on the adjacent connecting plate when moving, so that the adjusting block is driven to move, and the adjusting block drives the connecting plate to move; the guiding mechanism who sets up can be when accomodating the motor and damaging, and the guard plate that makes the connecting plate constitute can also cover the spout.
Optionally, a connecting mechanism connected with the moving block is arranged on the connecting block, the connecting mechanism includes a clamping block, a reinforcing block and a first adjusting assembly, the clamping block is arranged on the connecting block, and a clamping groove clamped with the clamping block is formed in the moving block; the reinforcing block is arranged on the moving block in a sliding mode, and a reinforcing groove clamped with the reinforcing block is formed in the clamping block; the first adjusting assembly comprises an adjusting shaft, an adjusting gear and an adjusting rack, the adjusting shaft is rotatably arranged on the moving block, and the adjusting gear is arranged on the adjusting shaft; the adjusting rack is arranged on the reinforcing block and meshed with the adjusting gear.
By adopting the technical scheme, the clamping block is clamped with the clamping groove, then the adjusting shaft is rotated, the adjusting gear on the adjusting shaft drives the adjusting rack to move, and the adjusting rack drives the reinforcing block to move towards the direction close to the clamping block and is clamped with the reinforcing groove on the clamping block.
Optionally, the device further comprises a prompting mechanism, wherein the prompting mechanism comprises a fixed block, a prompting block and a vibration motor, the fixed block is arranged on the connecting block, and the vibration motor is arranged on the fixed block; the prompting block is arranged on the vibration motor; the protection pad is arranged on the prompt block.
Through adopting above-mentioned technical scheme, when harmful gas escaped from the cabinet is internal, start shock dynamo, shock dynamo drives the motion of suggestion piece, and the motion is filled up in the protection of suggestion piece drive, and when operating personnel experienced the motion is filled up in the protection, will stop the experiment and handle the harmful gas of effluvium.
Optionally, an adjusting mechanism connected with the protective pad is arranged on the connecting block, the adjusting mechanism includes an adjusting rod, an adjusting block and a second adjusting assembly, a mounting groove is formed in the connecting block, the adjusting rod is slidably arranged in the mounting groove, the adjusting block is arranged on the adjusting rod, and the protective pad is arranged on the adjusting block; the second adjusting component comprises a first connecting rod, a second connecting rod and an adjusting motor, the adjusting motor is arranged in the connecting block, and the first connecting rod is arranged on an output shaft of the adjusting motor; one end of the second connecting rod is hinged to the first connecting rod, and the other end of the second connecting rod is hinged to the adjusting rod.
By adopting the technical scheme, when the vibration motor is damaged, the output shaft of the adjusting motor drives the first connecting rod to move, the second connecting rod connected with the first connecting rod drives the adjusting rod to move in the mounting groove, and the adjusting block on the adjusting rod drives the protective pad to move, so that the protective pad can impact the legs of an operator or does not conflict the legs of the operator any more, and the effect of prompting the operator is achieved; and the adjusting mechanism and the prompting mechanism which are arranged act together, so that the operator can be better prompted.
Optionally, an air bag is disposed on the protective pad.
Through adopting above-mentioned technical scheme, when the gasbag of setting can reduce the motion of protection pad, the gasbag can conflict operating personnel to reduce the potential safety hazard.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arranged first protection mechanism can reduce potential safety hazards;
2. the arranged protection control structure can improve the application range;
3. and the regulating mechanism and the prompting mechanism act together, so that the operator can be better prompted to have excessive harmful gas escape, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a control system of a biosafety cabinet in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a protection control structure in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a second protection mechanism in an embodiment of the present application;
FIG. 4 is a schematic structural view of a coupling mechanism according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a second adjusting assembly in the embodiment of the present application.
Reference numerals: 1. a cabinet body; 2. a first guard mechanism; 21. connecting blocks; 22. a protective pad; 23. an air bag; 3. a protection control structure; 31. a moving block; 32. a moving assembly; 321. a moving motor; 322. a helical gear; 323. a helical rack; 4. a second protection mechanism; 41. receiving the block; 42. a rotating shaft; 43. a connecting plate; 44. a storage motor; 5. an adjustment mechanism; 51. adjusting the motor; 52. a shifting block; 53. an adjusting block; 54. a rotating shaft; 6. a connecting mechanism; 61. a clamping block; 62. a reinforcing block; 63. a first adjustment assembly; 631. an adjustment shaft; 632. an adjusting gear; 633. adjusting the rack; 7. a prompting mechanism; 71. a fixed block; 711. accommodating grooves; 72. a prompt block; 721. mounting grooves; 8. an adjustment mechanism; 81. adjusting a rod; 82. an adjusting block; 83. a second adjustment assembly; 831. a first link; 832. a second link; 833. the motor is regulated.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a control system of a biological safety cabinet.
Referring to fig. 1 and 2, the biosafety cabinet control system includes a cabinet body 1, a first protection mechanism 2 is arranged on the cabinet body 1, a protection control structure 3 connected with the first protection mechanism 2 is arranged on the cabinet body 1, and a second protection mechanism 4 connected with the protection control structure 3 is arranged on the cabinet body 1.
Referring to fig. 1 and 2, a sliding groove is formed in the cabinet 1, and the protection control structure 3 includes a moving block 31 connected in the sliding groove in a sliding manner. A moving assembly 32 connected with the cabinet body 1 is arranged on the moving block 31, the moving assembly 32 comprises a moving motor 321 fixedly connected to the moving block 31, and an output shaft of the moving motor 321 is in keyed connection with a helical gear 322; a helical rack 323 engaged with the helical gear 322 is fixedly connected to the side wall of the chute.
When the moving motor 321 is started, the output shaft of the moving motor 321 drives the helical gear 322 to rotate, and because the helical gear 322 is meshed with the helical rack 323 and the helical rack 323 is fixed, the moving block 31 slides in the sliding slot when the helical gear 322 rotates.
Referring to fig. 1 and 3, the second protection mechanism 4 includes a receiving block 41 connected to the cabinet 1 through a bolt, and a rotating shaft 42 is rotatably connected to the receiving block 41; the accommodating block 41 is fixedly connected with an accommodating motor 44 connected with the rotating shaft 42.
The rotating shaft 42 is connected with a protection plate, the protection plate comprises a plurality of connecting plates 43, and two adjacent connecting plates 43 are hinged; the connecting plate 43 of the protection plate one end is connected with pivot 42, and the protection plate is kept away from the one end of pivot 42 and is connected with movable block 31 through the bolt.
When the moving block 31 slides in the sliding groove, the accommodating motor 44 is started, an output shaft of the accommodating motor 44 drives the rotating shaft 42 to rotate, and the rotating shaft 42 drives the connecting plate 43 to move; so that the protection plate composed of the plurality of connection plates 43 can maintain a state of covering the chute.
Referring to fig. 2 and 3, the accommodating block 41 is provided with an adjusting mechanism 5, the adjusting mechanism 5 includes an adjusting motor 51 fixedly connected to the accommodating block 41, an output shaft of the adjusting motor 51 is provided with a rotating shaft 54, and four toggle blocks 52 are uniformly and fixedly connected to a circumferential side wall of the rotating shaft 54; an adjusting block 53 is fixedly connected to the connecting plate 43, and an adjusting groove matched with the shifting block 52 is formed in the adjusting block 53.
The adjusting motor 51 is started, an output shaft of the adjusting motor 51 drives the rotating shaft 54 to rotate, the rotating shaft 54 drives the shifting block 52 to rotate, and the shifting block 52 extends into the adjusting groove of the adjusting block 53 and then drives the adjusting block 53 to move.
Referring to fig. 2 and 4, a clamping groove is formed on the moving block 31, and a cavity communicated with the clamping groove is formed on the moving block 31; the first protection mechanism 2 comprises a connecting block 21, a connecting mechanism 6 connected with the moving block 31 is arranged on the connecting block 21, the connecting mechanism 6 comprises a clamping block 61 fixedly connected to the connecting block 21, the clamping block 61 is clamped with the clamping groove, and a reinforcing groove is formed in the clamping block 61 positioned in the clamping groove; a reinforcing block 62 clamped with the reinforcing groove is connected in the cavity in a sliding manner. A first adjusting component 63 is arranged on the moving block 31, the first adjusting component 63 comprises an adjusting shaft 631 rotatably connected to the moving block 31, one end of the adjusting shaft 631 is located in the cavity, and an adjusting gear 632 is keyed at one end of the adjusting shaft 631 located in the cavity; an adjusting rack 633 meshed with the adjusting gear 632 is integrally arranged on the side wall of the reinforcing block 62 close to the adjusting gear 632.
Clamping the fixture block 61 on the connecting block 21 with the clamping groove on the moving block 31, then rotating the adjusting shaft 631, the adjusting shaft 631 driving the adjusting gear 632 to rotate, the rotating adjusting gear 632 driving the adjusting rack 633 to move, the adjusting rack 633 driving the reinforcing block 62 to move towards the direction close to the fixture block 61, so that the reinforcing block 62 is clamped with the reinforcing groove on the fixture block 61.
Referring to fig. 4, be provided with suggestion mechanism 7 on connecting block 21, suggestion mechanism 7 includes fixed block 71 of fixed connection on connecting block 21, and holding tank 711 has been seted up to one side that connecting block 21 was kept away from to fixed block 71, fixedly connected with vibrating motor on the holding tank 711 diapire, the last suggestion piece 72 that is connected with of vibrating motor, suggestion piece 72 can remove in holding tank 711.
The vibration motor is started and drives the prompting block 72 to move.
Referring to fig. 5, a mounting groove 721 is formed on a side of the prompt block 72 away from the fixing block 71.
Referring to fig. 2 and 4, the prompting block 72 is provided with an adjusting mechanism 8, the adjusting mechanism 8 includes an adjusting rod 81, one end of the adjusting rod 81 far away from the prompting block 72 is fixedly connected with an adjusting block 82, the adjusting block 82 is fixedly connected with a protection pad 22, and one end of the protection pad 22 far away from the adjusting block 82 is provided with an air bag 23.
Referring to fig. 5, a second adjusting assembly 83 is disposed on the prompting block 72, the second adjusting assembly 83 includes an adjusting motor 833 fixedly connected in the prompting block 72, an output shaft of the adjusting motor 833 is connected with a first connecting rod 831, the first connecting rod 831 is hinged to a second connecting rod 832, and one end of the second connecting rod 832 far away from the first connecting rod 831 is hinged to the adjusting rod 81.
Starting regulating motor 833, the output shaft of regulating motor 833 drives first connecting rod 831 and rotates, and first connecting rod 831 drives the motion of second connecting rod 832, and second connecting rod 832 drives regulation pole 81 and slides in mounting groove 721, and regulation pole 81 drives the motion of regulating block 82, and the protection pad 22 on the regulating block 82 will move, and the gasbag 23 of setting on the protection pad 22 also can follow the protection pad 22 and move.
The motors in this embodiment are all three-phase asynchronous motors.
The implementation principle of the control system of the biological safety cabinet in the embodiment of the application is as follows: firstly, connecting the connecting block 21 to the moving block 31; then the containing block 41 is connected to the cabinet 1, and the connecting plate 43 of the protection plate far away from one end of the containing block 41 is connected to the moving block 31 through a bolt, so that the protection plate formed by the connecting plate 43 covers the sliding groove.
Then according to the position that operating personnel sat, start movable block 31, make movable block 31 move to suitable position, connecting block 21 on movable block 31 can drive fixed block 71 and move, then suggestion piece 72 on fixed block 71 drives the regulation pole 81 and moves, and the protection pad 22 that is located on the regulation pole 81 moves to required position, makes operating personnel can contradict the gasbag 23 on the protection pad 22.
When harmful gas escapes from the cabinet body 1, the adjusting motor 833 and the vibrating motor are started, the vibrating motor drives the prompting block 72 to move, the adjusting rod 81 on the prompting block 72 drives the adjusting block 82 to move, and the protective pad 22 on the adjusting block 82 moves. The output shaft of the adjusting motor 833 drives the first link 831 to move, and the second link 832 connected to the first link 831 drives the adjusting lever 81 to move, which also moves the protection pad 22. When the protection mat 22 moves, the operator can feel the movement of the air cells 23 on the protection mat 22.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (4)

1. The biological safety cabinet control system is characterized by comprising a first protection mechanism (2) and a protection control structure (3) which are arranged on a cabinet body (1), wherein the first protection mechanism (2) comprises a connecting block (21) and a protection pad (22), the connecting block (21) is arranged on the cabinet body (1), and the protection pad (22) is arranged on the connecting block (21); the protection control structure (3) is connected with the connecting block (21);
a sliding groove is formed in the cabinet body (1), the protection control structure (3) comprises a moving block (31) and a moving assembly (32), the moving block (31) is arranged in the sliding groove in a sliding mode, and the connecting block (21) is arranged on the moving block (31);
the moving assembly (32) comprises a moving motor (321), a bevel gear (322) and a bevel rack (323), the moving motor (321) is arranged on the moving block (31), and the bevel gear (322) is arranged on the moving motor (321); the helical rack (323) is arranged on the cabinet body (1) and is meshed with the helical gear (322);
a second protection mechanism (4) is arranged on the cabinet body (1), the second protection mechanism (4) comprises a storage block (41), a rotating shaft (42), a protection plate and a storage motor (44), the storage block (41) is arranged on the cabinet body (1), and the rotating shaft (42) is rotatably arranged on the storage block (41);
the protection plate covers the sliding groove and comprises connecting plates (43), two adjacent connecting plates (43) are hinged to each other, the connecting plate (43) at one end of the protection plate is connected to the moving block (31), and the connecting plate (43) at the other end of the protection plate is connected to the accommodating block (41);
the accommodating motor (44) is arranged on the accommodating block (41) and is connected with the rotating shaft (42);
the prompting device is characterized by further comprising a prompting mechanism (7), wherein the prompting mechanism (7) comprises a fixed block (71), a prompting block (72) and a vibration motor, the fixed block (71) is arranged on the connecting block (21), and the vibration motor is arranged on the fixed block (71); the prompting block (72) is arranged on the vibration motor;
the protective pad (22) is arranged on the prompting block (72);
the protective pad is characterized in that an adjusting mechanism (8) connected with the protective pad (22) is arranged on the connecting block (21), the adjusting mechanism (8) comprises an adjusting rod (81), an adjusting block (82) and a second adjusting component (83), an installation groove (721) is formed in the connecting block (21), the adjusting rod (81) is arranged in the installation groove (721) in a sliding manner, the adjusting block (82) is arranged on the adjusting rod (81), and the protective pad (22) is arranged on the adjusting block (82);
the second adjusting component (83) comprises a first connecting rod (831), a second connecting rod (832) and an adjusting motor (833), the adjusting motor (833) is arranged in the connecting block (21), and the first connecting rod (831) is arranged on an output shaft of the adjusting motor (833); one end of the second connecting rod (832) is hinged on the first connecting rod (831) and the other end is hinged on the adjusting rod (81).
2. The biosafety cabinet control system according to claim 1, wherein an adjusting mechanism (5) is arranged on the accommodating block (41), the adjusting mechanism (5) comprises an adjusting motor (51), a dial block (52) and an adjusting block (53), the adjusting motor (51) is arranged on the accommodating block (41), and the dial block (52) is arranged on the adjusting motor (51);
the adjusting block (53) is arranged on the connecting plate (43), and an adjusting groove matched with the shifting block (52) is formed in the adjusting block (53).
3. The biosafety cabinet control system according to claim 1, wherein a connecting mechanism (6) connected with the moving block (31) is arranged on the connecting block (21), the connecting mechanism (6) comprises a clamping block (61), a reinforcing block (62) and a first adjusting component (63), the clamping block (61) is arranged on the connecting block (21), and a clamping groove clamped with the clamping block (61) is formed on the moving block (31);
the reinforcing block (62) is arranged on the moving block (31) in a sliding mode, and a reinforcing groove clamped with the reinforcing block (62) is formed in the fixture block (61);
the first adjusting assembly (63) comprises an adjusting shaft (631), an adjusting gear (632) and an adjusting rack (633), the adjusting shaft (631) is rotatably arranged on the moving block (31), and the adjusting gear (632) is arranged on the adjusting shaft (631); the adjusting rack (633) is arranged on the reinforcing block (62) and meshed with the adjusting gear (632).
4. A biosafety cabinet control system according to claim 1, characterized in that an air bag (23) is arranged on the protective pad (22).
CN202210102328.9A 2022-01-27 2022-01-27 Control system of biological safety cabinet Active CN114392778B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210102328.9A CN114392778B (en) 2022-01-27 2022-01-27 Control system of biological safety cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210102328.9A CN114392778B (en) 2022-01-27 2022-01-27 Control system of biological safety cabinet

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CN114392778A CN114392778A (en) 2022-04-26
CN114392778B true CN114392778B (en) 2023-03-28

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215513737U (en) * 2021-10-08 2022-01-14 济南景辰服装有限公司 Middle conveying structure for down jacket processing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3789712B2 (en) * 2000-02-23 2006-06-28 株式会社イトーキ Draft chamber
CN214196112U (en) * 2020-12-02 2021-09-14 济宁优盾门窗有限公司 Shutter convenient to fixed mounting
CN113368908B (en) * 2021-08-12 2021-10-12 益诺思生物技术南通有限公司 High-safety biological safety cabinet and using method thereof
CN215574198U (en) * 2021-08-18 2022-01-18 山东百纳混凝土有限公司 Concrete compression test device
CN113694985A (en) * 2021-08-26 2021-11-26 江苏经贸职业技术学院 Automatic abluent safety protection chemical experiment platform

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215513737U (en) * 2021-10-08 2022-01-14 济南景辰服装有限公司 Middle conveying structure for down jacket processing

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