CN102767931B - Doorway assembly of low-temperature refrigerating storage box - Google Patents
Doorway assembly of low-temperature refrigerating storage box Download PDFInfo
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- CN102767931B CN102767931B CN201210247768.XA CN201210247768A CN102767931B CN 102767931 B CN102767931 B CN 102767931B CN 201210247768 A CN201210247768 A CN 201210247768A CN 102767931 B CN102767931 B CN 102767931B
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Abstract
The invention discloses a doorway assembly of a low-temperature refrigerating storage box. The doorway assembly consists of a frame-type box body transition piece arranged on a box body doorway, a frame-type box door transition piece arranged on the box body doorway and a magnetic stripe airbag type refrigerator door seal frame arranged between the box body transition piece and the box door transition piece; the frame-type box body transition piece consists of a strip upper frame box body transition piece and a strip lower frame box body transition piece which are vertically symmetrical and a strip left frame box body transition piece and a strip right frame box body transition piece which are bilaterally symmetrical; the frame-type box door transition piece consists of a strip upper frame box door transition piece and a strip lower frame box door transition piece which are vertically symmetrical and a strip left frame box door transition piece and a strip right frame box door transition piece which are bilaterally symmetrical; and tenon of the magnetic stripe airbag type refrigerator door seal frame is inserted into mortise of the outer side wall of the outer edge of the frame-type box door transition piece. The doorway assembly is low in cold leakage and low in cost, can greatly reduce thermal stress and avoid deformation and breakage of the doorway transition pieces, and is suitable for batch manufacturing of low-temperature refrigerating storage boxes.
Description
Technical field
The present invention relates to a kind of cryogenic freezing container doorway assembling unit structure, particularly a kind of cryogenic freezing container doorway assembling unit structure of seal strip for refrigerator door in conjunction with multiple row, the spliced doorway of multistage transition piece that adopt.
Background technology
It is to keep the topmost methods such as biomaterial activity that cryogenic freezing is preserved, and cryogenic freezing container has become the fundamental equipments in the fields such as biomedical engineering, agriculture and animal husbandry, aquatic products.Cryogenic freezing container typically refers to the mechanical type refrigeration low-temperature refrigerated storage equipment of effective storage temperature below-30 DEG C, and it is also commonly called as low temperature refrigerator or ultra low temperature freezer.
Cryogenic freezing container technology is to answer the demand of biomedical technology to develop rapidly within nearest decades, and has obtained applying quite widely.Along with the variation of demand and the development of refrigeration and cryogenic technique, it is technical also in continuous progress, and in a fast-developing phase.The main distinction of cryogenic freezing container and conventional refrigerator is mainly that its box house temperature is lower, conventionally its internal-external temperature difference is all more than 80 DEG C, even exceed 200 DEG C, this huge temperature difference is mainly reflected in following two aspects to the impact of its doorway sub-assembly: 1. make the doorway transition piece of connect box inner-outer tube have from the inside to surface the very large temperature difference.Due to the characteristic of expanding with heat and contract with cold of material, for integrally-built doorway transition piece, this huge temperature difference is inevitable forms very high thermal stress therein, thereby makes even fracture of its distortion; 2. the doorway transition piece of conventional structure forms heat bridge and air gap can bring larger leakage heat loss.This part of the best doorway sub-assembly of existing cryogenic freezing container is leaked heat loss and is also accounted for the more than 50% of total leakage heat loss, and this just makes its energy consumption be difficult to reduce.
Mainly contain at present in the world the cryogenic freezing container doorway assembling unit structure of two types: 1) by low thermal conductivity and elasticity good material is main component under serviceability temperature laminated type doorway transition piece.The form that this structure adopts in its-86 DEG C of serial high-end models taking Forma company of the U.S. is as representative, the main body of its doorway transition piece is a monoblock type doorway part of being made up of high-quality foamed silastic, between chamber door and casing, adopt afterburning pressing, the monoblock type doorway part that foamed silastic is made be transition piece from low temperature to room temperature be also seal.Due to the main component material of this version compared with expensive, moulding process difficulty is large, and machining accuracy to chamber door, casing and deformation requires very highly, makes to realize cost and is difficult to reduce; 2) the combined type doorway sub-assembly of the doorway transition piece that employing seal strip for refrigerator door is made in conjunction with low temperature material.This structure taking day the form that adopts of Sanyo as representative, sealing between its chamber door and casing adopts magnetic strip gasket similar and refrigerator, the transition piece from low temperature to room temperature and a door inner bag adopt the special material moulding such as low temperature resistant polycarbonate to form.The weak point of this version is the more expensive and monoblock type difficult forming of transition piece material, and therefore cost is also higher, and does not solve thermal stress deformation problem completely.
The present invention proposes a kind of cryogenic freezing container doorway assembling unit structure of seal strip for refrigerator door in conjunction with multiple row, the spliced doorway of multistage transition piece that adopt, it can adopt seal strip for refrigerator door to realize sealing, doorway transition piece main body adopts the section bar of being made up of conventional material to be spliced with multiple row, multistage, the contraction distortion causing with releasing heat stress and the homogenizing temperature difference.This frame mode is applicable to the fast shaping of the many specifications of this class of cryogenic freezing container, be pilot and manufactures demand very much, and not only cost is more cheap, and can significantly reduce thermal stress and avoid the deformation and fracture of doorway transition piece.
Summary of the invention
The object of the present invention is to provide a kind of cryogenic freezing container doorway sub-assembly of seal strip for refrigerator door in conjunction with multiple row, the spliced doorway of multistage transition piece that adopt, it adopts seal strip for refrigerator door to realize sealing, and doorway transition piece main body adopts the section bar of being made up of conventional material to be spliced with multiple row, multistage; This frame mode not only cost is more cheap, and can significantly reduce thermal stress and avoid the deformation and fracture of doorway transition piece.
Technical scheme of the present invention is as follows:
Cryogenic freezing container provided by the invention doorway sub-assembly, it is made up of the magnetic stripe gasbag-type seal strip for refrigerator door frame that is loaded on frame type box structure transition piece on container casing doorway, is loaded on the frame chamber door transition piece on refrigerated storage case chamber door and is loaded on frame type box structure transition piece between frame chamber door transition piece;
Described frame type box structure transition piece is the square frame type box structure transition piece being combined by laterally zygomorphic strip upper ledge casing transition piece and strip lower frame case body for trilateral transition piece and symmetrical strip left frame casing transition piece and the right frame casing of strip transition piece;
Described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece form by casing transition piece component combination;
Described casing transition piece parts are made up of casing outer rim transition piece, casing middle transition part and casing inner edge transition piece;
Cutting is established in described casing outer rim transition piece upper end, and falcon groove is established in lower end;
Described casing middle transition part is made up of multiple dynatron transition pieces, and falcon head is established in each equal upper end of dynatron transition piece, and falcon groove is established in lower end; The falcon groove that the falcon head of a dynatron transition piece inserts another dynatron transition piece successively falcon connects and forms casing middle transition part; Falcon connects the casing middle transition part upper end forming falcon head, and there is falcon groove lower end;
Falcon groove is established in described casing inner edge transition piece upper end, and cutting is established in lower end;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece are equipped with and run through the through hole of axial end separately;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece inserts the grafting formation casing transition piece parts of falcon groove successively by falcon head; Described casing transition piece parts outer rim and inner edge all have cutting;
Described casing transition piece parts become described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece by described through hole and through the connector being combined through series connection of through hole;
The end of described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece is provided with 45 ° of inclined-planes, and described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece are by the frame type box structure transition piece described in the fixing formation on described 45 ° of inclined-planes; The outer rim of described frame type box structure transition piece has the outer rim cutting combining, and inner edge has the inner edge cutting combining; The outer rim cutting of described frame type box structure transition piece is inserted in the outer rim slot of the outer courage of casing; The inner edge cutting of described frame type box structure transition piece is inserted in the slot of box liner;
Described frame chamber door transition piece is the square frame chamber door transition piece being combined by laterally zygomorphic strip upper ledge chamber door transition piece and strip lower frame chamber door transition piece and symmetrical strip left frame chamber door transition piece and the right frame chamber door of strip transition piece;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of strip transition piece form by chamber door transition member;
Described chamber door transition member is that outer rim and inner edge are equipped with cutting, and chamber door transition member mid portion is provided with the through hole that runs through axial end, and its nearly outer rim lateral wall is provided with falcon groove;
Described chamber door transition member is passed through described through hole and connector being combined through series connection upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of the strip transition piece into strips through through hole;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door transition piece of strip end are provided with 45 ° of inclined-planes, and described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of strip transition piece are by the frame chamber door transition piece described in the fixing formation on described 45 ° of inclined-planes; The outer rim of described frame chamber door transition piece has the outer rim cutting combining, and inner edge has the inner edge cutting combining; The outer rim cutting of described frame chamber door transition piece is inserted in the outer rim slot of the outer courage of chamber door; The inner edge cutting of described frame chamber door transition piece is inserted in the slot of chamber door inner bag;
Falcon head on described magnetic stripe gasbag-type seal strip for refrigerator door frame inserts in the falcon groove on the outer rim lateral wall of described frame chamber door transition piece.
The material of described frame type box structure transition piece and frame chamber door transition piece is low heat conductivity composite.
Described low heat conductivity composite is plastics, carbon fiber, glass fibre, ABS resin or polyethylene fibre.
The casing outer rim transition piece of described frame type box structure transition piece with the outer rim of the outer courage of chamber door θ inclination angle contact that matches, 0≤θ≤90 are spent.
Cryogenic freezing container provided by the invention doorway sub-assembly can effectively reduce cold and leak, and cost is more cheap, and can significantly reduce thermal stress and avoid the deformation and fracture of doorway transition piece, the fast shaping that is applicable to very much the many specifications of this class of cryogenic freezing container, be pilot is manufactured demand.
Brief description of the drawings
Fig. 1 is the structural representation of cryogenic freezing container of the present invention doorway sub-assembly.
Detailed description of the invention:
Embodiment, the doorway sub-assembly of a kind of being applied to-80 DEG C cryogenic freezing container:
This is applied to the doorway sub-assembly of-80 DEG C of cryogenic freezing containers, adopts the doorway transition piece form of seal strip for refrigerator door in conjunction with special construction.Cryogenic freezing container doorway sub-assembly main body adopts the section bar of being made up of conventional material to be spliced with multiple row, multistage.
This cryogenic freezing container doorway sub-assembly, it is made up of the magnetic stripe gasbag-type seal strip for refrigerator door frame C5 that is loaded on frame type box structure transition piece C2 in the exterior rim of refrigerated storage box body doorway, is loaded on the frame chamber door transition piece C6 in refrigerated storage case chamber door exterior rim and is loaded on frame type box structure transition piece C2 between frame chamber door transition piece C6;
Described frame type box structure transition piece C2 is the square frame type box structure transition piece being combined by laterally zygomorphic strip upper ledge casing transition piece and strip lower frame case body for trilateral transition piece and symmetrical strip left frame casing transition piece and the right frame casing of strip transition piece;
Described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece form by casing transition piece component combination;
Described casing transition piece parts are made up of casing outer rim transition piece, casing middle transition part and casing inner edge transition piece;
Cutting is established in described casing outer rim transition piece upper end, and falcon groove is established in lower end;
Described casing middle transition part is made up of multiple dynatron transition pieces, and falcon head is established in each equal upper end of dynatron transition piece, and falcon groove is established in lower end; The falcon groove that the falcon head of a dynatron transition piece inserts another dynatron transition piece successively falcon connects and forms casing middle transition part; Falcon connects the casing middle transition part upper end forming falcon head, and there is falcon groove lower end;
Falcon groove is established in described casing inner edge transition piece upper end, and cutting is established in lower end;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece are equipped with and run through the through hole of axial end separately;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece inserts the grafting formation casing transition piece parts of falcon groove successively by falcon head; Described casing transition piece parts outer rim and inner edge all have cutting;
Described casing transition piece parts become described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece by described through hole and through the connector being combined through series connection of through hole;
The end of described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece is provided with 45 ° of inclined-planes, and described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece are by the frame type box structure transition piece C2 described in the fixing formation on described 45 ° of inclined-planes; The outer rim of described frame type box structure transition piece C2 has the outer rim cutting combining, and inner edge has the inner edge cutting combining; The outer rim cutting of described frame type box structure transition piece C2 is inserted in the outer rim slot of the outer courage C1 of casing; The inner edge cutting of described frame type box structure transition piece C2 is inserted in the slot of box liner C3;
Described frame chamber door transition piece C6 is the square frame chamber door transition piece being combined by laterally zygomorphic strip upper ledge chamber door transition piece and strip lower frame chamber door transition piece and symmetrical strip left frame chamber door transition piece and the right frame chamber door of strip transition piece;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of strip transition piece form by chamber door transition member;
Described chamber door transition member is that outer rim and inner edge are equipped with cutting, and chamber door transition member mid portion is provided with the through hole that runs through axial end, and its nearly outer rim lateral wall is provided with falcon groove;
Described chamber door transition member is passed through described through hole and connector being combined through series connection upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of the strip transition piece into strips through through hole;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door transition piece of strip end are provided with 45 ° of inclined-planes, and described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of strip transition piece are by the frame chamber door transition piece C6 described in the fixing formation on described 45 ° of inclined-planes; The outer rim of described frame chamber door transition piece C6 has the outer rim cutting combining, and inner edge has the inner edge cutting combining; The outer rim cutting of described frame chamber door transition piece C6 is inserted in the outer rim slot of the outer courage C4 of chamber door; The inner edge cutting of described frame chamber door transition piece C6 is inserted in the slot of chamber door inner bag C7;
Falcon head on described magnetic stripe gasbag-type seal strip for refrigerator door frame C5 inserts in the falcon groove on the outer rim lateral wall of described frame chamber door transition piece C6.
The casing outer rim transition piece of the frame type box structure transition piece C2 of the present embodiment is with the θ inclination angle matching with the outer courage C4 outer rim of chamber door, and 0≤θ≤90 degree, all can.
The material of the frame type box structure transition piece C2 of the present embodiment and frame chamber door transition piece C6 is low heat conductivity composite; Any material of the optional plastics of low heat conductivity composite, carbon fiber, glass fibre, ABS resin and polyethylene fibre crowd.
Claims (4)
1. a cryogenic freezing container doorway sub-assembly, it is made up of the magnetic stripe gasbag-type seal strip for refrigerator door frame that is loaded on frame type box structure transition piece on container casing doorway, is loaded on the frame chamber door transition piece on refrigerated storage case chamber door and is loaded on frame type box structure transition piece between frame chamber door transition piece, it is characterized in that:
Described frame type box structure transition piece is the square frame type box structure transition piece being combined by laterally zygomorphic strip upper ledge casing transition piece and strip lower frame case body for trilateral transition piece and symmetrical strip left frame casing transition piece and the right frame casing of strip transition piece;
Described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece form by casing transition piece component combination;
Described casing transition piece parts are made up of casing outer rim transition piece, casing middle transition part and casing inner edge transition piece;
Cutting is established in described casing outer rim transition piece upper end, and falcon groove is established in lower end;
Described casing middle transition part is made up of multiple dynatron transition pieces, and falcon head is established in each equal upper end of dynatron transition piece, and falcon groove is established in lower end; The falcon groove that the falcon head of a dynatron transition piece inserts another dynatron transition piece successively falcon connects and forms casing middle transition part; Falcon connects the casing middle transition part upper end forming falcon head, and there is falcon groove lower end;
Falcon groove is established in described casing inner edge transition piece upper end, and cutting is established in lower end;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece are equipped with and run through the through hole of axial end separately;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece inserts the grafting formation casing transition piece parts of falcon groove successively by falcon head; Described casing transition piece parts outer rim and inner edge all have cutting;
Described casing transition piece parts become described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece by described through hole and through the connector being combined through series connection of through hole;
The end of described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece is provided with 45 ° of inclined-planes, and described strip upper ledge casing transition piece, strip lower frame case body for trilateral transition piece, strip left frame casing transition piece and the right frame casing of strip transition piece are by the frame type box structure transition piece described in the fixing formation on described 45 ° of inclined-planes; The outer rim of described frame type box structure transition piece has the outer rim cutting combining, and inner edge has the inner edge cutting combining; The outer rim cutting of described frame type box structure transition piece is inserted in the outer rim slot of the outer courage of casing; The inner edge cutting of described frame type box structure transition piece is inserted in the slot of box liner;
Described frame chamber door transition piece is the square frame chamber door transition piece being combined by laterally zygomorphic strip upper ledge chamber door transition piece and strip lower frame chamber door transition piece and symmetrical strip left frame chamber door transition piece and the right frame chamber door of strip transition piece;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of strip transition piece form by chamber door transition member;
Outer rim and the inner edge of described chamber door transition member are equipped with cutting, and chamber door transition member mid portion is provided with the through hole that runs through axial end, and its nearly outer rim lateral wall is provided with falcon groove;
Described chamber door transition member is passed through described through hole and connector being combined through series connection upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of the strip transition piece into strips through through hole;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door transition piece of strip end are provided with 45 ° of inclined-planes, and described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left frame chamber door transition piece and the right frame chamber door of strip transition piece are by the frame chamber door transition piece described in the fixing formation on described 45 ° of inclined-planes; The outer rim of described frame chamber door transition piece has the outer rim cutting combining, and inner edge has the inner edge cutting combining; The outer rim cutting of described frame chamber door transition piece is inserted in the outer rim slot of the outer courage of chamber door; The inner edge cutting of described frame chamber door transition piece is inserted in the slot of chamber door inner bag C7;
Falcon head on described magnetic stripe gasbag-type seal strip for refrigerator door frame inserts in the falcon groove on the outer rim lateral wall of described frame chamber door transition piece.
2. by cryogenic freezing container claimed in claim 1 doorway sub-assembly, it is characterized in that, the material of described frame type box structure transition piece and frame chamber door transition piece is low heat conductivity composite.
3. by cryogenic freezing container claimed in claim 2 doorway sub-assembly, it is characterized in that, described low heat conductivity composite is plastics, carbon fiber, glass fibre, ABS resin or polyethylene fibre.
4. by a kind of cryogenic freezing container claimed in claim 1 doorway sub-assembly, the casing outer rim transition piece of described frame type box structure transition piece with the outer rim of the outer courage of chamber door θ inclination angle contact that matches, 0≤θ≤90 are spent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247768.XA CN102767931B (en) | 2012-07-17 | 2012-07-17 | Doorway assembly of low-temperature refrigerating storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247768.XA CN102767931B (en) | 2012-07-17 | 2012-07-17 | Doorway assembly of low-temperature refrigerating storage box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767931A CN102767931A (en) | 2012-11-07 |
| CN102767931B true CN102767931B (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210247768.XA Active CN102767931B (en) | 2012-07-17 | 2012-07-17 | Doorway assembly of low-temperature refrigerating storage box |
Country Status (1)
| Country | Link |
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| CN (1) | CN102767931B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615858B (en) * | 2013-12-10 | 2016-08-17 | 合肥美的电冰箱有限公司 | Door liner and there is its refrigerator |
| CN105300013A (en) * | 2014-06-25 | 2016-02-03 | 海尔集团技术研发中心 | Multi-door-seal box and refrigerating equipment |
| CN108332499B (en) * | 2018-02-06 | 2020-11-24 | 滁州市博瑞特工贸有限公司 | Refrigerator door sealing strip |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978755A (en) * | 1958-07-23 | 1961-04-11 | Robert L Walker | Vapor proof cover or freezer door assembly |
| US4831780A (en) * | 1987-07-07 | 1989-05-23 | Ardco Inc. | Refrigerator door assembly with thermal break frame |
| US5876104A (en) * | 1997-12-10 | 1999-03-02 | White Consolidated Industries, Inc. | Breaker assembly for refrigerated cabinet |
| CN201653048U (en) * | 2010-05-19 | 2010-11-24 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
-
2012
- 2012-07-17 CN CN201210247768.XA patent/CN102767931B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978755A (en) * | 1958-07-23 | 1961-04-11 | Robert L Walker | Vapor proof cover or freezer door assembly |
| US4831780A (en) * | 1987-07-07 | 1989-05-23 | Ardco Inc. | Refrigerator door assembly with thermal break frame |
| US5876104A (en) * | 1997-12-10 | 1999-03-02 | White Consolidated Industries, Inc. | Breaker assembly for refrigerated cabinet |
| CN201653048U (en) * | 2010-05-19 | 2010-11-24 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
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| Publication number | Publication date |
|---|---|
| CN102767931A (en) | 2012-11-07 |
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