CN210921979U - Freeze-drying mould and freeze-drying system - Google Patents
Freeze-drying mould and freeze-drying system Download PDFInfo
- Publication number
- CN210921979U CN210921979U CN201921916098.XU CN201921916098U CN210921979U CN 210921979 U CN210921979 U CN 210921979U CN 201921916098 U CN201921916098 U CN 201921916098U CN 210921979 U CN210921979 U CN 210921979U
- Authority
- CN
- China
- Prior art keywords
- mold
- accommodating
- freeze
- drying
- accommodating cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The application provides a freeze-drying mould and freeze-drying system. A freeze-drying mold comprising: the mold comprises a mold body and a mold cover body, wherein the mold body is provided with a plurality of first accommodating cavities, and the mold cover body is provided with second accommodating cavities corresponding to the first accommodating cavities one by one; when the die body and the die cover body are closed, the first accommodating cavity and the corresponding second accommodating cavity form an accommodating space; the mould lid is provided with a plurality of through-holes that communicate with a plurality of the second holding chamber one-to-one. The freeze-drying system comprises a freeze dryer and the freeze-drying mould. The application provides a freeze-drying mould and freeze-drying system, freeze-drying efficiency is high.
Description
Technical Field
The application relates to the field of freeze-drying equipment, in particular to a freeze-drying mold and a freeze-drying system.
Background
The freeze-dried powder is prepared by freezing the water in the liquid to be freeze-dried in advance by adopting a vacuum freeze-drying method of a freeze dryer, and then sublimating the frozen water in the liquid in a vacuum sterile environment, thereby obtaining freeze-dried powder.
Freeze-drying of freeze-drying powder on the market all puts into the container with the nutrient solution, then puts into freeze dryer freeze-drying with the container, and the freeze-drying time is relatively longer, and freeze-drying efficiency is lower.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
The application first aim at provides a freeze-drying mould, can effectively shorten freeze-drying time, improves freeze-drying efficiency.
The second objective of this application is to provide a freeze-drying system, including above-mentioned freeze-drying mould, the freeze-drying is efficient.
In order to achieve the above purpose, the following technical solutions are specifically adopted in the present application:
a lyophilization mold, comprising: the mold comprises a mold body and a mold cover body, wherein the mold body is provided with a plurality of first accommodating cavities, and the mold cover body is provided with second accommodating cavities corresponding to the first accommodating cavities one by one; when the die body and the die cover body are closed, the first accommodating cavity and the corresponding second accommodating cavity form an accommodating space;
the mould cover body is provided with a plurality of through holes which are communicated with the second accommodating cavities in a one-to-one correspondence mode.
Preferably, the through hole is formed at the top end of the second accommodating cavity.
More preferably, one end of the through hole, which is far away from the second accommodating cavity, is funnel-shaped, and one end of the through hole, which is close to the second accommodating cavity, is cylindrical; or the through hole is funnel-shaped and close to the diameter of one end of the second accommodating cavity is smaller than the diameter of one end of the second accommodating cavity.
Preferably, the first accommodating cavity comprises a matching part and an accommodating part which are sequentially arranged along the thickness direction of the die body;
the mould cover body is provided with a plurality of bosses, and the second accommodating cavities extend from the surfaces of the bosses to the inside;
when the mold body and the mold cover body are closed, the boss is inserted into the matching part so that the second accommodating cavity and the accommodating part form the accommodating space.
More preferably, the fitting portion and the boss are both cylindrical or frustum-shaped.
Preferably, the accommodating part and the second accommodating cavity are hemispherical and have the same radius.
Preferably, the height of the boss is greater than or equal to the depth of the second accommodating cavity.
Preferably, the mold body and the mold cover are provided with assembling holes for locking the mold body and the mold cover.
Optionally, the die body is provided with a positioning hole for positioning.
A freeze-drying system comprises a freeze dryer and the freeze-drying mold.
Compared with the prior art, the beneficial effect of this application includes:
1. the plurality of first accommodating cavities and the plurality of second accommodating cavities are arranged, the accommodating spaces are formed by die assembly, and freeze-drying solution is injected through the through holes to form a plurality of independent freeze-drying spaces, so that the specific surface area of a freeze-dried object can be effectively increased, the freeze-drying time is shortened, and the freeze-drying efficiency is improved;
2. use the freeze-drying system of freeze-drying mould that this application provided, freeze-drying efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 shows a schematic longitudinal cross-sectional view of a die body provided herein;
FIG. 2 shows a schematic longitudinal cross-sectional view of a mold cap provided herein;
FIG. 3 illustrates a perspective view of a die body provided herein;
FIG. 4 illustrates a perspective view of a mold cap provided herein;
FIG. 5 shows an enlarged view at A in FIG. 1;
FIG. 6 shows an enlarged view at B in FIG. 2;
fig. 7 shows a schematic clamping diagram of a freeze-drying mold provided in example 3 of the present application;
FIG. 8 illustrates a top view of a die body provided herein;
fig. 9 illustrates a top view of a mold cap provided herein.
Description of the main element symbols:
1-a mould body; 2-a mould cover body; 3-a first accommodating cavity; 4-a second accommodating cavity; 5-a through hole; 6-a mating portion; 7-a locus of containment; 8-boss; 9-assembly holes; 10-positioning holes.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example 1
Referring to fig. 1, 2, 3 and 4, a freeze-drying mold includes: the mold comprises a mold body 1 and a mold cover body 2, wherein the mold body 1 is provided with a plurality of first accommodating cavities 3, and the mold cover body 2 is provided with a plurality of second accommodating cavities 4 corresponding to the first accommodating cavities 3 one to one; when the die body 1 and the die cover body 2 are closed, the first accommodating cavity 3 and the corresponding second accommodating cavity 4 form an accommodating space; the mold cover body 2 is provided with a plurality of through holes 5 corresponding to the second accommodating cavities 4, and the through holes 5 extend from the surface of the mold cover body 2 to the second accommodating cavities 4, so that the accommodating spaces formed by the first accommodating cavities 3 and the second accommodating cavities 4 can be communicated with the outside. The through hole 5 is used for injecting freeze-drying liquid into the accommodating space and can be used as a migration channel of moisture in the freeze-drying process.
The sealing between the die main body 1 and the die cover 2 can be achieved by improving the processing accuracy, using a sealing oil, or the like.
In order to ensure the maximization of the receiving space, in a preferred embodiment, the through hole 5 is disposed at the top end of the second receiving chamber 4.
In order to ensure convenience during the filling process of the freeze-drying solution, in a preferred embodiment, one end of the through hole 5 far away from the second accommodating cavity 4 is funnel-shaped, and one end of the through hole close to the second accommodating cavity 4 is cylindrical.
Through-hole 5 adopts above-mentioned design, can make filling syringe needle can be accurate, quick annotate the freeze-drying liquid to corresponding accommodation space, plays guide, spacing effect.
Example 2
Referring to fig. 1, 2, 3 and 4, a freeze-drying mold includes: the mold comprises a mold body 1 and a mold cover body 2, wherein the mold body 1 is provided with a plurality of first accommodating cavities 3, and the mold cover body 2 is provided with a plurality of second accommodating cavities 4 corresponding to the first accommodating cavities 3; when the die body 1 and the die cover body 2 are closed, the first accommodating cavity 3 and the corresponding second accommodating cavity 4 form an accommodating space; the mold cover 2 is provided with a plurality of through holes 5 corresponding to the second accommodating cavities 4, and the through holes 5 extend from the surface of the mold cover 2 to the second accommodating cavities 4. The through hole 5 is arranged at the top end of the second accommodating cavity 4, and one end of the through hole 5 far away from the second accommodating cavity 4 is arranged to be funnel-shaped and is arranged to be cylindrical and is close to the second accommodating cavity 4.
Because the requirement of direct butt sealing on the machining precision is very high, the machining cost is overhigh, and the sealing effect is difficult to ensure. Therefore, in a preferred embodiment, referring to fig. 1-6, in order to reduce the processing difficulty, reduce the cost, and ensure the sealing effect, the first receiving cavity 3 includes a matching portion 6 and a receiving portion 7 sequentially arranged along the thickness direction of the mold body 1; the mould cover body 2 is provided with a plurality of bosses 8, and the second accommodating cavities 4 are arranged in the bosses 8 and extend from the upper surfaces of the bosses 8 to the insides of the bosses; when the mold body 1 and the mold cover 2 are closed, the boss 8 is inserted into the matching portion 6 so that the second accommodating cavity 4 and the accommodating portion 7 form an accommodating space.
Through the cooperation of boss 8 and cooperation portion 6, can form secondary seal on boss 8 and the 6 contact surfaces of cooperation portion on the basis that second holding chamber 4 and holding portion 7 contact surface formed first sealed, effectual assurance accommodation space's is airtight relatively, can effectually prevent to pour into overflowing of the solution of accommodation space into through-hole 5.
It should be noted that, as shown in fig. 1 to 4, the shape of the boss and the shape of the fitting portion are preferably circular in cross section, but are not to be construed as limiting the shape of the boss and the shape of the fitting portion. In other alternative embodiments, the cross-section of the boss and the mating portion may be triangular, square, etc., and it is preferable that the boss be inserted into the mating portion for the purpose of preventing the freeze-drying liquid from overflowing.
Example 3
Referring to fig. 1-6, a mold for lyophilization includes: the mold comprises a mold body 1 and a mold cover body 2, wherein the mold body 1 is provided with a plurality of first accommodating cavities 3, and the mold cover body 2 is provided with a plurality of second accommodating cavities 4 corresponding to the first accommodating cavities 3; when the die body 1 and the die cover body 2 are closed, the first accommodating cavity 3 and the corresponding second accommodating cavity 4 form an accommodating space; the mold cover 2 is provided with a plurality of through holes 5 corresponding to the second accommodating cavities 4, and the through holes 5 extend from the surface of the mold cover 2 to the second accommodating cavities 4. The through hole 5 is disposed at the top end of the second accommodating cavity 4, and is funnel-shaped as a whole (see fig. 7), and the diameter of the end close to the second accommodating cavity 4 is smaller than the diameter of the end far from the second accommodating cavity 4.
The first accommodating cavity 3 comprises a matching part 6 and an accommodating part 7 which are sequentially arranged along the thickness direction of the die body 1; the mould cover body 2 is provided with a plurality of bosses 8, and the second accommodating cavities 4 are arranged in the bosses 8; when the mold body 1 and the mold cover 2 are closed, the boss 8 is inserted into the matching portion 6 so that the second accommodating cavity 4 and the accommodating portion 7 form an accommodating space.
In order to reduce the processing difficulty and improve the assembly efficiency, the matching part 6 and the boss 8 are in the shape of a truncated right circular cone (namely, the longitudinal section of the matching part is in the shape of an isosceles trapezoid), and the diameters of the matching part and the boss are sequentially reduced from outside to inside.
In an alternative embodiment, the mating portion 6 and the boss 8 are both cylindrical.
In order to further reduce the processing difficulty and increase the volume of the accommodating space of the unit volume mold, the accommodating part 7 and the second accommodating cavity 4 are hemispherical and have the same radius.
Referring to fig. 8 and 9, in a preferred embodiment, the bosses 8 are arranged in parallel rows and columns on the mold cap 2.
Example 4
Referring to fig. 1-6, a mold for lyophilization includes: the mold comprises a mold body 1 and a mold cover body 2, wherein the mold body 1 is provided with a plurality of first accommodating cavities 3, and the mold cover body 2 is provided with a plurality of second accommodating cavities 4 corresponding to the first accommodating cavities 3; when the die body 1 and the die cover body 2 are closed, the first accommodating cavity 3 and the corresponding second accommodating cavity 4 form an accommodating space; the mold cover 2 is provided with a plurality of through holes 5 corresponding to the second accommodating cavities 4, and the through holes 5 extend from the surface of the mold cover 2 to the second accommodating cavities 4. The through hole 5 is arranged at the top end of the second accommodating cavity 4 and is integrally funnel-shaped.
The first accommodating cavity 3 comprises a matching part 6 and an accommodating part 7 which are sequentially arranged along the thickness direction of the die body 1; the mould cover body 2 is provided with a plurality of bosses 8, and the second accommodating cavities 4 are arranged in the bosses 8; when the mold body 1 and the mold cover 2 are closed, the boss 8 is inserted into the matching portion 6 so that the second accommodating cavity 4 and the accommodating portion 7 form an accommodating space. The matching part 6 and the boss 8 are in the shape of a truncated right circular cone (i.e. the longitudinal section is in the shape of an isosceles trapezoid). The containing part 7 and the second containing cavity 4 are both hemispherical and have the same radius. The bosses 8 are arranged in parallel rows and columns on the mould cover 2.
In order to ensure the stability of the clamping, the height of the projection 8 is designed to be greater than the depth of the second receiving chamber 4. Due to the design, the die body 1 and the die cover body 2 can be more compactly assembled, and the stability and the sealing performance are better.
Referring to fig. 6 and 7, in order to further ensure the stability of mold clamping, the mold body 1 and the mold cover 2 are provided with assembling holes 9 for locking the mold body 1 and the mold cover 2. After the mold is closed, the mold body 1 and the mold lid 2 are fixed by bolts and nuts. If necessary, additional parts such as a gasket and the like are also arranged during fixing.
Example 5
Referring to fig. 1-6, a mold for lyophilization includes: the mold comprises a mold body 1 and a mold cover body 2, wherein the mold body 1 is provided with a plurality of first accommodating cavities 3, and the mold cover body 2 is provided with a plurality of second accommodating cavities 4 corresponding to the first accommodating cavities 3; when the die body 1 and the die cover body 2 are closed, the first accommodating cavity 3 and the corresponding second accommodating cavity 4 form an accommodating space; the mold cover 2 is provided with a plurality of through holes 5 corresponding to the second accommodating cavities 4, and the through holes 5 extend from the surface of the mold cover 2 to the second accommodating cavities 4. The through hole 5 is arranged at the top end of the second accommodating cavity 4 and is integrally funnel-shaped.
The first accommodating cavity 3 comprises a matching part 6 and an accommodating part 7 which are sequentially arranged along the thickness direction of the die body 1; the mould cover body 2 is provided with a plurality of bosses 8, and the second accommodating cavities 4 are arranged in the bosses 8; when the mold body 1 and the mold cover 2 are closed, the boss 8 is inserted into the matching portion 6 so that the second accommodating cavity 4 and the accommodating portion 7 form an accommodating space. The matching part 6 and the boss 8 are in the shape of a truncated right circular cone (i.e. the longitudinal section is in the shape of an isosceles trapezoid). The containing part 7 and the second containing cavity 4 are both hemispherical and have the same radius. The bosses 8 are arranged in parallel rows and columns on the mould cover 2. The height of the boss 8 is designed to be greater than the depth of the second receiving chamber 4.
In order to improve the assembly efficiency, the die body 1 is provided with positioning holes 10 (see fig. 7 and 8).
The design of the positioning holes 10 can improve the automation degree of production, ensure accurate production and processing in automatic production and is beneficial to improving the production efficiency.
The application provides a freeze-drying mould and freeze-drying system can effectively solve freeze-drying container holding efficiency and specific surface area low, freeze-drying inefficiency through the mold design, is difficult to realize the problem of extensive freeze-drying. Meanwhile, the volume of a single accommodating space is reduced, so that the freeze-drying operation can be completed in a short time. Through the design of the matching part on the die body and the boss on the die cover body, the freeze-drying liquid can be effectively prevented from overflowing.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A lyophilization mold, comprising: the mold comprises a mold body and a mold cover body, wherein the mold body is provided with a plurality of first accommodating cavities, and the mold cover body is provided with second accommodating cavities corresponding to the first accommodating cavities one by one; when the die body and the die cover body are closed, the first accommodating cavity and the corresponding second accommodating cavity form an accommodating space;
the mould cover body is provided with a plurality of through holes which are communicated with the second accommodating cavities in a one-to-one correspondence mode.
2. The lyophilization mold according to claim 1, wherein the through hole is disposed at a top end of the second accommodation cavity.
3. The freeze-drying mold according to claim 2, wherein one end of the through hole far away from the second accommodating cavity is funnel-shaped, and one end of the through hole close to the second accommodating cavity is cylindrical; or the through hole is funnel-shaped and close to the diameter of one end of the second accommodating cavity is smaller than the diameter of one end of the second accommodating cavity.
4. The lyophilization mold as claimed in claim 1, wherein the first receiving chamber comprises a mating portion and a receiving portion which are sequentially arranged along a thickness direction of the mold body;
the mould cover body is provided with a plurality of bosses, and the second accommodating cavities extend from the surfaces of the bosses to the inside;
when the mold body and the mold cover body are closed, the boss is inserted into the matching part so that the second accommodating cavity and the accommodating part form the accommodating space.
5. The lyophilization mold as claimed in claim 4, wherein the engagement portion and the boss are each cylindrical or frustum-shaped.
6. The lyophilization mold as claimed in claim 4, wherein the receiving portion and the second receiving cavity are hemispherical and have the same radius.
7. The lyophilization mold as claimed in claim 4, wherein the height of the boss is greater than or equal to the depth of the second accommodation cavity.
8. The freeze-drying mold according to claim 1, wherein the mold body and the mold cover are each provided with a fitting hole for locking the mold body and the mold cover.
9. Freeze-drying mould according to any one of claims 1 to 8, characterised in that the mould body is provided with positioning holes for positioning.
10. A lyophilization system comprising a lyophilizer and the lyophilization mold of any of claims 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921916098.XU CN210921979U (en) | 2019-11-07 | 2019-11-07 | Freeze-drying mould and freeze-drying system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921916098.XU CN210921979U (en) | 2019-11-07 | 2019-11-07 | Freeze-drying mould and freeze-drying system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210921979U true CN210921979U (en) | 2020-07-03 |
Family
ID=71361025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921916098.XU Active CN210921979U (en) | 2019-11-07 | 2019-11-07 | Freeze-drying mould and freeze-drying system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210921979U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022202938A1 (en) * | 2021-03-26 | 2022-09-29 | 富士フイルム株式会社 | Freeze-drying container |
-
2019
- 2019-11-07 CN CN201921916098.XU patent/CN210921979U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022202938A1 (en) * | 2021-03-26 | 2022-09-29 | 富士フイルム株式会社 | Freeze-drying container |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2683237C1 (en) | Assembled accumulator battery, accumulator module and method of manufacture of assembled accumulator battery | |
CN210921979U (en) | Freeze-drying mould and freeze-drying system | |
CN103858295B (en) | The assembly method of cable sealed joint and cable sealed joint | |
US20120315798A1 (en) | Method, apparatus and system for positioning and holding electrical contacts, seals and related components | |
RU2611730C1 (en) | Rechargeable battery sealed terminal | |
US20210104780A1 (en) | Mixing element and accumulator | |
RU2733122C2 (en) | Container for dry chemical reagents | |
KR20130099991A (en) | Rechargeable battery having a wall element, and wall element therefor | |
US10918784B2 (en) | Holding member and packaging structure of chemical container parts | |
KR20180021708A (en) | A battery cell housing, a support, a method for grouping a plurality of battery cell housings | |
JP2004342415A (en) | Waterproof connector | |
US20120288739A1 (en) | Rechargeable battery and sealing plug for a rechargeable battery | |
JP2017139172A (en) | Method of manufacturing battery module | |
CN215260672U (en) | Ice tray easy for adding water | |
JP6119445B2 (en) | Lead acid battery | |
US8252448B2 (en) | Apparatus for sealing tube plates of batteries | |
JPH06208863A (en) | Resin filling type connector | |
KR101326373B1 (en) | Terminal packing device for battery | |
CN218718752U (en) | Welding seal structure, container formula generating set and oil tank thereof | |
CN100468830C (en) | Battery where electrode rod is movable relative to cover | |
CN109964337A (en) | Battery cell, battery pack including at least one primary battery and the method for manufacturing battery cell | |
NZ551672A (en) | Device for impregnating a porous bone replacement material | |
CN213753189U (en) | Radio frequency connector structure with stable structure | |
CN217995367U (en) | Sealing cover | |
CN217013823U (en) | Automatic cleaning equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: 510000 Building 1, building 3, building 8, No. 6, Lixiang Road, Taiping Town, Conghua District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU LINGXIAN BIOTECHNOLOGY Co.,Ltd. Address before: 4 / F and 5 / F, building G12, South China new material innovation park, 31 Kefeng Road, Guangzhou Science City, Guangzhou hi tech Industrial Development Zone, 510000 Guangdong Province Patentee before: GUANGZHOU LINGXIAN BIOTECHNOLOGY Co.,Ltd. |
|
CP02 | Change in the address of a patent holder |