CN209722153U - A kind of rabbling mechanism and a kind of blender - Google Patents
A kind of rabbling mechanism and a kind of blender Download PDFInfo
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- CN209722153U CN209722153U CN201920223336.2U CN201920223336U CN209722153U CN 209722153 U CN209722153 U CN 209722153U CN 201920223336 U CN201920223336 U CN 201920223336U CN 209722153 U CN209722153 U CN 209722153U
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Abstract
The utility model discloses a kind of rabbling mechanism and a kind of blender.Rabbling mechanism includes: transmission shaft, driving gear, driven gear, stirring gear set and stirring rod.Transmission shaft is connect with power device, at least one driving gear is arranged on transmission shaft, and corresponding each driving gear is provided with a driven gear, and each driven gear engages connection with a stirring gear set, is provided with a stirring rod on each stirring gear.Power device drives transmission shaft rotation, each layer driving gear for being sheathed on transmission shaft while moving, and the stirring gearset motions of each layer is driven by corresponding driven gear, the dynamic stirring rod of stirring gear band is stirred the solution in each layer culture dish.Blender provided by the utility model can simultaneously be stirred the solution in multiple culture dishes, easy to operate, stirring efficiency is high, in such a way that layering is laid, additionally it is possible to effectively reduce the volume of blender, and the mixing speed of stirring rod is identical, is convenient for parallel control experiment.
Description
Technical field
The utility model relates to stirring technique fields, more particularly to a kind of rabbling mechanism and a kind of blender.
Background technique
Cell culture technology is always most crucial in biotechnology, most basic technology, how to effectively improve cell
Growth rate is extremely important.Recently as the appearance of cell organoide's cultivating system, to intend disease model in cell level upper mold
New dawn is brought, and is widely used in drug screening.Cell blender can be improved the flowing of cell peripheral culture solution with
And adherency of the cell to microcarrier, promote cell growth, be suitble to suspension cell, the culture of adherent microcarrier can effectively improve thin
The growth rate of born of the same parents.But existing cell blender can only once stir the cell liquid in a culture dish, if thinking simultaneously to more
Cell liquid in a culture dish is stirred, then needs a large amount of blender, and complicated for operation, the volume of occupancy is larger, stirring effect
Rate is very low.
Utility model content
The purpose of the utility model is to provide a kind of rabbling mechanism and a kind of blenders, and compact is easy to operate, stirring
It is high-efficient.
To achieve the above object, the utility model provides following scheme:
A kind of rabbling mechanism, the rabbling mechanism include: transmission shaft, driving gear, driven gear, stirring gear set and stir
Mix stick, wherein
The transmission shaft is connect with power device, and the power device is for driving the transmission shaft to rotate；
At least one described driving gear is arranged on the transmission shaft, between existing between the adjacent driving gear
Gap；
Corresponding each driving gear is provided with the driven gear, the driven gear and the driving gear
Engagement connection, each driven gear engage connection with a stirring gear set, and the stirring gear set includes multiple nibbles
The stirring gear of connection is closed, is provided with a stirring rod on each stirring gear.
Optionally, the stirring gear set includes multiple stirring gears that array is laid, with the adjacent stirring gear of a line
Engagement connection, the adjacent stirring gear of same row engage connection, and the driven gear is engaged with stirring gear described in one of them
Connection.
Optionally, the stirring rod includes agitating shaft and stirring blade, one end of the agitating shaft and the stirring gear
Connection, the other end of the agitating shaft are provided at least a piece of stirring blade.
Optionally, the stirring blade is helical blade or sector.
A kind of blender, the blender include: the rabbling mechanism, power device and stirring tooling, wherein
The power device and the rabbling mechanism are arranged at the Beater operator and load onto, the transmission shaft of the rabbling mechanism
It is connect with the power device, the power device is for driving the transmission shaft to rotate.
Optionally, the power device includes motor and retarder, and the motor is connect with the input terminal of the retarder,
The output end of the retarder and the transmission axis connection.
Optionally, the power device includes magnet exciting coil, excitation electromotor controller and magnet, wherein the excitation electricity
Machine controller is connect with the magnet exciting coil, and the magnet corresponds to the magnet exciting coil setting, the transmission shaft and the magnet
Connection.
Optionally, the stirring tooling includes: cabinet, support plate and partition, wherein
Each partition level is set in the cabinet, and the bottom of cabinet is arranged in the power device；
The partition corresponds to the transmission shaft and offers axis hole, and the transmission shaft passes through the axis hole and each partition connects
It connects；The driving gear is provided between the adjacent separator of the transmission shaft；The driven gear and the stirring gear
Group is set in the support plate；The partition is also used to place the container for holding object to be mixed.
Optionally, the blender further include:
Electric machine controller, time switch, single-pole double-throw switch (SPDT) and manual positive and negative rotation control switch, wherein the hilted broadsword is double
The moved end of throw switch is connect with DC power supply, and a non-moving end of the single-pole double-throw switch (SPDT) and one end of the time switch connect
It connects, another non-moving end of the single-pole double-throw switch (SPDT) is connect with one end of the manual positive and negative rotation control switch, the timing
The other end of switch connects after connecting with the other end of the manual positive and negative rotation control switch with the input terminal of the electric machine controller
It connects, the output end of the electric machine controller is connect with the motor, and the electric machine controller is used for the electric signal according to input terminal
Control the rotation direction of the motor.
Optionally, the blender further include: tachometer and speed regulation device, the tachometer are arranged on the motor,
For detecting the revolving speed of the motor, the speed regulation device is connect with the motor, and the speed regulation device is for adjusting the electricity
The revolving speed of machine.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
A kind of rabbling mechanism provided by the utility model includes: transmission shaft, driving gear, driven gear, stirring gear set
And stirring rod.Transmission shaft is connect with power device, and power device is for driving transmission shaft to rotate.At least one is arranged on transmission shaft
A driving gear, there are gaps between adjacent driving gear.Corresponding each driving gear is provided with a driven gear, driven
Gear engages connection with driving gear, and each driven gear engages connection with a stirring gear set, and stirring gear set includes multiple
The stirring gear of connection is engaged, is provided with a stirring rod on each stirring gear.Power device drives transmission shaft rotation, set
Each layer driving gear on transmission shaft moves simultaneously, drives the stirring gear set of each layer to transport by corresponding driven gear
Dynamic, stirring gear band moves stirring rod and is stirred to the solution in each layer culture dish.As it can be seen that stirring provided by the utility model
Device only needs a power device that can be stirred simultaneously to the solution in multiple culture dishes, and easy to operate, stirring efficiency is high,
In such a way that layering is laid, additionally it is possible to effectively reduce the volume of blender.Meanwhile rabbling mechanism provided by the utility model and
The mixing speed of blender, stirring rod is identical, is convenient for parallel control experiment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of rabbling mechanism provided by the embodiment of the utility model；
Fig. 2 is a kind of gear mesh schematic representation of rabbling mechanism provided by the embodiment of the utility model；
Fig. 3 is stirring rod schematic diagram provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of blender provided by the embodiment of the utility model；
Fig. 5 is a kind of drawing in side sectional elevation of blender provided by the embodiment of the utility model；
Fig. 6 is a kind of front view in the vertical section of blender provided by the embodiment of the utility model；
Fig. 7 is a kind of side view in the vertical section of blender provided by the embodiment of the utility model；
Fig. 8 is a kind of structural schematic diagram of magnetic dynamic device provided by the embodiment of the utility model；
Fig. 9 is the structural block diagram of electric machine control system provided by the embodiment of the utility model；
Figure 10 is positive and negative rotation control principle drawing provided by the embodiment of the utility model；
Figure 11 is the schematic diagram of speed regulating control provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of rabbling mechanism and a kind of blenders, and compact is easy to operate, stirring
It is high-efficient.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is a kind of structural schematic diagram of rabbling mechanism provided by the embodiment of the utility model.Fig. 2 is that the utility model is real
A kind of gear mesh schematic representation of rabbling mechanism of example offer is provided.As depicted in figs. 1 and 2, a kind of rabbling mechanism, the blender
Structure includes: transmission shaft 11, driving gear 12, driven gear 13, stirring gear set and stirring rod.
The transmission shaft 11 is connect with power device, and the power device is for driving the transmission shaft to rotate.
It is arranged at least one described driving gear 12 on the transmission shaft 11, is deposited between the adjacent driving gear 12
In gap.
Corresponding each driving gear 12 is provided with the driven gear 13, the driven gear 13 and the master
The engagement connection of moving gear 12, each driven gear 13 engage connection, the stirring gear set with a stirring gear set
Including the stirring gear 14 that multiple engagements connect, a stirring rod is provided on each stirring gear 14.
The stirring gear set includes multiple stirring gears 14 that array is laid, and the adjacent stirring gear 14 with a line engages
Connection, the adjacent stirring gear 14 of same row engage connection, and the driven gear 13 is nibbled with stirring gear 14 described in one of them
Close connection.
The stirring rod includes agitating shaft 151 and stirring blade 152, one end and the stirrer gear of the agitating shaft 151
14 connection of wheel, the other end of the agitating shaft 151 are provided at least a piece of stirring blade 152.Fig. 3 is that the utility model is real
The stirring rod schematic diagram of example offer is provided.As shown in figure 3, the stirring blade is chosen as helical blade or sector.Wherein, scheme
3 (a) is partially the structural schematic diagram of helical blade, and (b) of Fig. 3 is partially the structural schematic diagram of sector.Such as Fig. 3 institute
Show, helical blade can make liquid in culture dish be in the state that flows up and down, and sector can make liquid in culture dish be in level
Flow regime.
Fig. 4 is a kind of structural schematic diagram of blender provided by the embodiment of the utility model.Fig. 5 is the utility model implementation
A kind of drawing in side sectional elevation for blender that example provides.Fig. 6 is a kind of vertical section of blender provided by the embodiment of the utility model
Front view.Fig. 7 is a kind of side view in the vertical section of blender provided by the embodiment of the utility model.As shown in Figure 4-Figure 7, one
Kind blender, the blender include: the rabbling mechanism, power device and stirring tooling.
The power device and the rabbling mechanism are arranged at the Beater operator and load onto, the transmission shaft of the rabbling mechanism
11 connect with the power device, and the power device is for driving the transmission shaft 11 to rotate.
As an alternative embodiment, the power device includes motor 211 and retarder 212, the motor 211
It is connect with the input terminal of the retarder 212, the output end of the retarder 212 is connect with the transmission shaft 11.The present embodiment
In, motor is brushless motor.
Fig. 8 is a kind of structural schematic diagram of magnetic dynamic device provided by the embodiment of the utility model.As shown in figure 8, conduct
Another optional embodiment, the power device includes magnet exciting coil 213, excitation electromotor controller 214 and magnet 215.
The excitation electromotor controller 214 is connect with the magnet exciting coil 213, the corresponding excitation wire of the magnet 215
213 setting of circle, the transmission shaft 11 are connect with the magnet 215.Excitation electromotor controller 214 generates alternating current, this alternation
After electric current enters magnet exciting coil 213, according to Ampere's law, alternating magnetic field can be generated, one end of magnet 215 is occurred to repel one end
Attract, rotate magnet 215, to drive 11 rotary motion of transmission shaft.In 214 Zhou Erfu of excitation electromotor controller
Under the work of beginning, transmission shaft 11 can continue to rotate.
The stirring tooling includes: cabinet, support plate 221 and partition 222.The cabinet includes upper box body 223, lower part
Cabinet 224 and box roof 225.Upper box body 223 and lower part box 224, which are screwed, becomes whole.
The bottom of lower part box 224 is arranged in the power device, and each partition 222 is horizontal to be set to the upper box body
In 223.
The corresponding transmission shaft 11 of the partition 222 offers axis hole, and the transmission shaft 11 passes through the axis hole and each institute
State the connection of partition 222.The driving gear 12 is provided between the adjacent separator of the transmission shaft 11.The driven gear
13 and the stirring gear set be set in the support plate 221, hold the corresponding stirring gear set of culture dish of solution to be mixed
It is placed on the partition 222.
As shown in fig. 7, being provided with a limiting bracket 226 on every layer of partition 222.Limiting bracket 226 includes phase
To a pair of of inverted L-shaped vertical plate of setting, inverted L-shaped vertical plate includes vertical part and the horizontal part, supporting surface of the vertical portion perpendicular to partition 222
Setting, horizontal part is offered to be embedded in opposite guide groove with the matched guide groove of support plate 221, the support plate 221, can
It is slided in guide groove.Positioning column 227 and upper cover plate 228 are additionally provided in the support plate 221.After being installed, formation is stirred
Teeth wheel assembly.In practical application, it can be configured extract support plate out as culture dish according to demand and be replaced,
And hot plug is supported between the driven gear of blender.
Fig. 9 is the structural block diagram of electric machine control system provided by the embodiment of the utility model.Figure 10 is that the utility model is real
The positive and negative rotation control principle drawing of example offer is provided.Figure 11 is the schematic diagram of speed regulating control provided by the embodiment of the utility model.Such as figure
Shown in 9- Figure 11, stirring of the existing technology is uneven, mixing time setting is not accurate in order to overcome, can not positive and negative rotation stirring
The shortcomings that, blender provided by the utility model further include: electric machine controller, time switch, single-pole double-throw switch (SPDT), manually it is positive and negative
Turn control switch, tachometer and speed regulation device.
220V alternating current is connect by earth leakage protective device with accessory power supply, its rectifying conversion is 12V's by accessory power supply
Direct current.Wherein, accessory power supply is chosen as AC-DC converter, Switching Power Supply, transformer frequency response, battery, lithium battery etc.
Power supply device.Accessory power supply model in the present embodiment are as follows: NES-100-12.
As shown in Figure 10, the single-pole double-throw switch (SPDT) is positive and negative rotation control mode switch switch, for switching manual mode
And automatic mode.The moved end of the single-pole double-throw switch (SPDT) is connect with accessory power supply, a non-moving end of the single-pole double-throw switch (SPDT)
It is connect with one end of the time switch, another non-moving end of the single-pole double-throw switch (SPDT) is opened with the manual positive and negative rotation control
One end of pass connects, the other end of the time switch connect with the other end of the manual positive and negative rotation control switch after with it is described
The input terminal of electric machine controller connects, and the output end of the electric machine controller is connect with the motor 211, the electric machine controller
The rotation direction of the motor 211 is controlled for the electric signal according to input terminal.
Manual positive and negative rotation control switch and time switch are used in parallel, fixed when time switch does not reach the designated time
When device export forward signal, brushless motor forward direction is run at this time, and after time switch reaches specified time, time switch output is anti-
To signal, brushless motor inverted running, this process can realize automatic progress positive and negative rotation operation with single cycle and reciprocation cycle at this time
Purpose.
As shown in figure 11, in order to adapt to different application environment, the tachometer is arranged on the motor 211, for examining
The revolving speed of the motor 211 is surveyed, the speed regulation device is connect with the motor 211, and the speed regulation device is used for according to setting
Different rotation rates adjust the revolving speed of the motor 211.Meanwhile in speed regulation process, electricity can be checked by tachometer at any time
The current rotating speed of machine 211.
In the present embodiment, the operating frequency range of blender is 47Hz~63Hz；Forward and reverse timing is 1s~99h；Culture
The hole count of ware is 6 holes~96 holes, and standard configuration is 12 holes, and the partition that haves three layers is arranged, and mixing speed is 100 turns per minute.
The material for stirring tooling is polycarbonate (PC), and color is transparent, and heat-proof aging is good, and weatherability is good, pollution-free, transmission
Axis uses stainless steel material, and it is that all electric control elements use inside stirring tooling that accessory power supply, which provides 12V DC power supply, external leakage
Electrical protective device, it is ensured that stirring tooling is perfectly safe.
The course of work of blender provided by the utility model is as follows:
1. culture dish prepares: culture solution being put into culture dish, culture dish is placed in horizontal table top；
2. every layer of stirring gear assembly prepares: stirring gear assembly being taken out, is fastened on culture dish；
3. Beater operator trues up standby: Beater operator dress being placed under specified experimental situation, the stirrer gear of culture dish will have been fastened
Wheel assembly is sent on each layer partition, engages driving tooth and driven tooth sufficiently；
4. electrifying startup: according to application demand, setting the revolving speed of governor and the time of time switch, prompt energization source
Automatically it works.The revolving speed automatic running that motor is set according to governor, at the same also according to the time of time switch reach with
It is no to be rotated forward or inverted.Transmission shaft and driving gear rotation are driven after motor rotation；Driving tooth drives driven gear rotation；
Driven gear drives the rotation of stirrer gear wheel；It stirs gear band and moves stirring blade rotation；Stirring blade drives culture solution flowing, realizes
Agitating function.
Blender provided by the utility model is placed on 37 degree of temperature of debugging room by rate 55 transhipment row one per minute
At night, rate is unchanged, consistent with the operating status of (20 degree) under room temperature, blender operational excellence.
Blender provided by the utility model is placed on per minute by rate in the incubator that gas concentration lwevel is 5%
At 55 transhipment one nights of row, rate is unchanged, cell blender operational excellence consistent with the operating status under normality.
Blender provided by the utility model has a characteristic that
1, blender provided by the utility model is cell rotatable reactor, can be used to cultivate organoid, existing
The cell rotatable reactor of 125ml capacity is compared, and can more save culture medium, and direction of rotation, rotation speed and time are controllable,
It runs smoothly, the heterogeneity of organoid can be reduced to a certain extent.
2, slewing rate is adjustable in 5-150rpm.System have run smoothly, seperated control, compact structure advantage,
The lower box of middle blender is designed using 304 stainless steel materials, can meet the CO of the overwhelming majority 1.5 to 3L in the market2Incubator
Use condition.
3, using medical grade material polycarbonate, nontoxic, ethanol-tolerant, not contamination of cells, effective waterproof.
4, low-profile, easy to operate, intuitive display；
5, alternative integrated mode, more culture dishes, the selection of multi-disc blade profile shape.
6, the culture that can be used for cell 3D guarantees the nutrition supply of cell.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of rabbling mechanism, which is characterized in that the rabbling mechanism includes: transmission shaft, driving gear, driven gear, stirring
Gear set and stirring rod, wherein
The transmission shaft is connect with power device, and the power device is for driving the transmission shaft to rotate；
It is arranged at least one described driving gear on the transmission shaft, there are gaps between the adjacent driving gear；
Corresponding each driving gear is provided with the driven gear, and the driven gear is engaged with the driving gear
Connection, each driven gear engage connection with a stirring gear set, and the stirring gear set includes that multiple engagements connect
The stirring gear connect is provided with a stirring rod on each stirring gear.
2. rabbling mechanism according to claim 1, which is characterized in that the stirring gear set includes the multiple of array laying
Gear is stirred, the adjacent stirring gear with a line engages connection, and the adjacent stirring gear of same row engages connection, the driven tooth
Wheel engages connection with stirring gear described in one of them.
3. rabbling mechanism according to claim 1, which is characterized in that the stirring rod includes agitating shaft and stirring blade,
One end of the agitating shaft is connect with the stirring gear, and the other end of the agitating shaft is provided at least a piece of paddle
Piece.
4. rabbling mechanism according to claim 3, which is characterized in that the stirring blade is helical blade or fan-shaped leaf
Piece.
5. a kind of blender, which is characterized in that the blender includes: the described in any item rabbling mechanisms of claim 1-4, moves
Power device and stirring tooling, wherein
The power device and the rabbling mechanism are arranged at the Beater operator and load onto, the transmission shaft of the rabbling mechanism and institute
Power device connection is stated, the power device is for driving the transmission shaft to rotate.
6. blender according to claim 5, which is characterized in that the power device includes motor and retarder, described
Motor is connect with the input terminal of the retarder, the output end of the retarder and the transmission axis connection.
7. blender according to claim 5, which is characterized in that the power device includes magnet exciting coil, excitation electromotor
Controller and magnet, wherein
The excitation electromotor controller is connect with the magnet exciting coil, and the magnet corresponds to the magnet exciting coil setting, the biography
Moving axis is connect with the magnet.
8. blender according to claim 5, which is characterized in that the stirring tooling include: cabinet, support plate and every
Plate, wherein
Each partition level is set in the cabinet, and the bottom of cabinet is arranged in the power device；
The partition corresponds to the transmission shaft and offers axis hole, and the transmission shaft passes through the axis hole and connect with each partition；
The driving gear is provided between the adjacent separator of the transmission shaft；The driven gear and the stirring gear set are equal
In the support plate；The partition is also used to place the container for holding object to be mixed.
9. blender according to claim 6, which is characterized in that the blender further include:
Electric machine controller, time switch, single-pole double-throw switch (SPDT) and manual positive and negative rotation control switch, wherein
The moved end of the single-pole double-throw switch (SPDT) is connect with DC power supply, a non-moving end of the single-pole double-throw switch (SPDT) with it is described fixed
One end of Shi Kaiguan connects, one end of another non-moving end of the single-pole double-throw switch (SPDT) and the manual positive and negative rotation control switch
Connection, the other end of the time switch connect with the other end of the manual positive and negative rotation control switch after with the motor control
The input terminal of device connects, and the output end of the electric machine controller is connect with the motor, and the electric machine controller is used for according to defeated
The electric signal for entering end controls the rotation direction of the motor.
10. blender according to claim 9, which is characterized in that the blender further include: tachometer and speed regulation dress
It sets, the tachometer is arranged on the motor, and for detecting the revolving speed of the motor, the speed regulation device and the motor connect
It connects, the speed regulation device is used to adjust the revolving speed of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223336.2U CN209722153U (en) | 2019-02-22 | 2019-02-22 | A kind of rabbling mechanism and a kind of blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223336.2U CN209722153U (en) | 2019-02-22 | 2019-02-22 | A kind of rabbling mechanism and a kind of blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722153U true CN209722153U (en) | 2019-12-03 |
Family
ID=68683609
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920223336.2U Active CN209722153U (en) | 2019-02-22 | 2019-02-22 | A kind of rabbling mechanism and a kind of blender |
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| Country | Link |
|---|---|
| CN (1) | CN209722153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652303A (en) * | 2019-02-22 | 2019-04-19 | 北京中灜壹通生物科技有限公司 | A kind of rabbling mechanism and a kind of blender |
-
2019
- 2019-02-22 CN CN201920223336.2U patent/CN209722153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652303A (en) * | 2019-02-22 | 2019-04-19 | 北京中灜壹通生物科技有限公司 | A kind of rabbling mechanism and a kind of blender |
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| CP03 | Change of name, title or address |
Address after: Room 1002, 9 / F, building B, yard 3, Jinghai 6th Road, Daxing District, Beijing Patentee after: Beijing econo Biotechnology Co., Ltd Address before: Room 920, 1st floor, No. 3, Guaxiang Road, Panggezhuang Town, Daxing District, Beijing Patentee before: BEIJING ZHONGYINGYITONG BIOTECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |