CN204090645U - A kind of zigzag connects a photovoltaic agricultural planting booth - Google Patents
A kind of zigzag connects a photovoltaic agricultural planting booth Download PDFInfo
- Publication number
- CN204090645U CN204090645U CN201320738494.4U CN201320738494U CN204090645U CN 204090645 U CN204090645 U CN 204090645U CN 201320738494 U CN201320738494 U CN 201320738494U CN 204090645 U CN204090645 U CN 204090645U
- Authority
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- China
- Prior art keywords
- roofing
- booth
- photovoltaic
- agricultural planting
- connects
- 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.)
- Expired - Lifetime
Links
- 239000002985 plastic film Substances 0.000 claims abstract description 14
- 229920006255 plastic film Polymers 0.000 claims abstract description 14
- 210000003850 cellular structure Anatomy 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 10
- 238000010413 gardening Methods 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000010408 film Substances 0.000 claims description 6
- 210000004027 cell Anatomy 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 4
- 239000004746 geotextile Substances 0.000 claims description 3
- 230000000384 rearing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 235000013311 vegetables Nutrition 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 238000010009 beating Methods 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000012272 crop production Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Greenhouses (AREA)
Abstract
The utility model patent discloses a kind of photovoltaic generation agricultural planting booth of saw-tooth roof, comprises more than one across greenhouse body that is several and standard width of a room in an old-style house number.Booth roofing indention, the slope such as not, photovoltaic cell component and PC plate (or glass) are laid in roofing southern side, and gardening is laid with fly net (or plastic film) in roofing north side.Booth roofing photovoltaic assembly can generate electricity, and booth inside can the crops such as planting vegetable or flowers; Ribbon skylight is provided with uniformly between booth roofing photovoltaic assembly, PC plate (or glass) is adopted to cover, make photovoltaic module for crop the environment that shades is provided while do not affect crop production daylighting yet, also can reduce heavy rain, typhoon washing away and blowing and beating crop in canopy; Booth roofing north side and surrounding metope are provided with the ventilating opening (or volume film window-opening mechanism) that fly net covers, and can reduce booth production in summer temperature; The utility model is applicable to (particularly China hot-zone) and natural environment area similarly on the south China the Changjiang river.
Description
Technical field
The utility model relates to Solar use and agricultural facility Polyhouse technology field, particularly relates to a kind of zigzag and connects a photovoltaic agricultural planting booth.
Background technology
Along with the development in epoch, the demand that utilizes for new forms of energy increases day by day; Utilize facility plastic greenhouse to carry out the technology of agricultural production increasingly mature, cultivated area is huge simultaneously.Development solar energy power generating needs a large amount of land resources; Development facility plastic greenhouse needs to reduce its construction cost but need obtain better indoor production environment.
Summary of the invention
The purpose of this utility model is to provide a kind of new agricultural planting greenhouse structure form, realizing booth roof can utilize solar energy to generate electricity fully, can be vegetables or flowers in greenhouse chamber and a good production environment is provided, better meet solar electrical energy generation to " large area soil " and agricultural planting to the demand of " low cost " and " suitable for producing environment ".
Inventor of the present utility model notices, at present all over the world and China set up the greenhouse structure form that part photovoltaic generation and agricultural planting combine, but owing to there is no to note combining with the requirement of natural environment and agricultural planting, make the booth that builds up otherwise planting benefit poor, power benefit is not good, the more difficult dual profit obtaining agricultural and photovoltaic generation.
Thus, the utility model is on the basis having taken into full account agricultural planting condition and natural environment, premised on the basic demand that setting meets agricultural production, development and Design a kind of newly, with the version of the photovoltaic generation agricultural planting booth of regional applicability.
To achieve these goals, the utility model takes following design: the photovoltaic agricultural planting booth of the saw-tooth roof of a kind of company, comprises the greenhouse body of more than one span number and standard width of a room in an old-style house number.The roofing in booth southern side adopts photovoltaic battery panel and PC plate (or glass) to carry out interval and arranges installation; The north side roofing of booth and the metope of booth surrounding adopt gardening fly net or plastic film (containing volume film window-opening mechanism) to cover.
In addition, the gutter suppressed by galvanized sheet is set or the drain ditch (doubling as plantation aisle) of laying geotextiles is set in booth flooring between booth connects.
Thus, the advantage that described zigzag connects a photovoltaic agricultural planting booth is: can provide good production environment for vegetables, the production of flowers and plants, also electric energy can be inputted electrical network, electric energy that small part can be used for needed for the machineries such as greenhouse gardening irrigation.Photovoltaic cell component is that in canopy, crop has blocked most of high light, for crop provides a good environment; The north side of the booth roofing is simultaneously provided with the ventilating opening of fly net covering, coordinate the ventilating opening that photovoltaic green-house surrounding metope fly net covers, good gravity-flow ventilation can be formed, add the effect of shading of photovoltaic cell component, the temperature of booth inside can be reduced preferably, the photovoltaic cell component in booth roofing southern side and PC plate can stop the attack of heavy rain to crops, and its intensity is large compared with traditional plastic film intensity simultaneously, can reduce the infringement of Heavy Rain of Typhoon to crop in canopy to greatest extent.Visible described booth can make full use of agricultural planting soil provides clean energy resource, can provide a good production environment again for crop in canopy.Based on the feature of described booth, large-scale development is carried out in its hot-zone being adapted at China, the some areas of economizing as Hainan Province and Guangdong, Guangxi, Yunnan, Sichuan etc. and natural environment area similarly.Certainly, by change its part cover form, can be wider be applicable to the Changjiang river areas to the south of China.
Accompanying drawing explanation
Fig. 1 is that the utility model overall structure and roofing cover the first arrangement schematic diagram.
Fig. 2 is the generalized section that the utility model connects across direction.
Fig. 3 is the utility model north side roofing " when angle is 0 ° " structural representation (locally).
Fig. 4 is the utility model north side roofing " when angle is 60 ° " structural representation (locally).
Fig. 5 is that the utility model roofing covers the second arrangement schematic diagram.
Fig. 6 is that the utility model roofing covers the third arrangement schematic diagram.
Embodiment
As shown in Figure 1, 2, the utility model zigzag connects a photovoltaic agricultural planting booth and comprises the more than one greenhouse body across number and standard width of a room in an old-style house number (can select the combination arbitrarily across number and standard width of a room in an old-style house number in practical application according to demand, in this illustrated example be 3 across, 3 standard widths of a room in an old-style house).The roofing in booth southern side adopts photovoltaic cell component and PC plate (or glass) to carry out interval and arranges installation, and booth north side roofing and booth surrounding metope adopt gardening fly net or plastic film (containing volume film window-opening mechanism) to cover.
Shown in figure 1 is that the solar module such as " common crystal silicon solar batteries ", " thin-film solar cells " or " two glass crystal silicon solar batteries " installs composition, battery component adopts bolt and buckle to be fixed on longitudinal purlin of booth roofing, purlin can adopt the galvanizing pipe fittings such as C type, several fonts, is convenient to install and Long-Time Service.
Shown in figure 2 is that PC plate or glass cover, and adopts aluminium alloy press strip, frame and bolt to be fixed on longitudinal purlin of booth roofing, adopts shaping sealing joint strip or fluid sealant to seal between press strip and frame.
Shown in figure 3 is the north side roofing of booth, and in concrete enforcement, the angle of north side roofing and vertical direction can get (as shown in Fig. 2 12) between 0 ° ~ 60 °.When this angle is 0 ° ~ 20 °, this side roofing can adopt 20 ~ 60 object gardening fly nets to cover; When this angle is greater than 20 °, layer of plastic film should be set up in the outside of fly net and cover (containing volume film window-opening mechanism), by plastic film rolls to roof, vent window can be formed higher season in non-Pluvial and temperature, reduce indoor temperature; Rain or temperature is lower time will stop heavy rain washing away or improving indoor temperature indoor crops under plastic film rolls.Thus, according to the demand of crop to booth thermal insulation, the suggestion area of mean winter temperature more than 10 DEG C, above-mentioned angle adopts 0 ° ~ 20 °, preferably 0 °; Mean winter temperature is in the area of 0 DEG C ~ 10 DEG C, and above-mentioned angle adopts 20 ° ~ 60 °, preferably 60 °.
Shown in figure 4 is the roof drainage gutter of booth, adopts galvanized sheet compacting to form.If rainwater is little on indoor crops impact, other galvanizing pipe fitting available replaces gutter, to reduce cost.Now, the draining of roofing directly can enter the indoor of booth, on the flooring of gutter vertical lower side, set up the wide drain ditch of 0.5m (in as Fig. 25 shown in), depth of drainage ditch is determined according to the length (size along standard width of a room in an old-style house direction) of the rainfall of locality and booth for this reason.Simultaneously in ditch, directly lay geotextiles, not only can not destroy the structural form (as far as possible using brick, stone, concrete less) in farmland, but also can make draining smooth and easy, while can also double as the operation aisle of indoor plantation, a ground is multiplex, economizes the land resource.
Shown in figure 6 is the size of roofing photovoltaic battery component class interval, the southern side ribbon skylight of booth, obtains between 0.5m ~ 1.0m.Determine, preferred 0.8m according to the demand to daylighting of crop; It should be noted that: when selecting " common crystal silicon solar batteries ", " thin-film solar cells " photovoltaic cell component, need the ribbon skylight in layout drawing shown in 6, and arrangement can be covered by the roofing of Fig. 1 and Fig. 5; When adopting " two glass crystal silicon solar batteries " photovoltaic cell component, then the 6(ribbon skylight size shown in figure) be 0, now can cover arrangement by the roofing shown in Fig. 6.
Shown in figure 7 is that the roofing photovoltaic battery component of booth is when taking interval arrangement, length (along the standard width of a room in an old-style house direction) size of cell array module, obtain between 2.0m ~ 4.0m, according to the specification of photovoltaic module and crop, the demand of daylighting is determined, preferred 3.4m.
Shown in figure 8 is the standard width of a room in an old-style house size of booth, obtains between 2.0m ~ 5.0m, preferred 4.0m.
Shown in figure 9 is the spanwise dimension of booth, obtains between 5.0m ~ 6.0m, preferred 5.5m.
Shown in figure 10 is the shoulder height size (shoulder height and base surface are to the height of gutter bottom) of booth, obtains, preferred 2.4m between 2.0m ~ 3.0m.
Shown in figure 11 is the metope of booth surrounding, in concrete enforcement, according to the demand of crop to booth thermal insulation, the area of suggestion mean winter temperature more than 10 DEG C adopts 20 ~ 60 object gardening fly nets to cover, mean winter temperature should be set up layer of plastic film and be covered (containing volume film window-opening mechanism) in the outside of fly net in the area of 0 DEG C ~ 10 DEG C, can by plastic film rolls to roof when temperature is higher, form vent window, reduce indoor temperature, by under plastic film rolls when temperature is lower, promote indoor temperature.
Shown in figure 13 is the width dimensions of solar photovoltaic assembly at the roofing array of booth, obtains, preferred 4m between 3.5m ~ 4.5m.
In addition: the angle of described booth southern side roofing and horizontal plane is 10 ° ~ 18 ° (as shown in Fig. 2 14).The size that should calculate the sun altitude of day according to locality during value obtains, and makes sunray as far as possible vertical with roofing (prior art); Described booth only gives basic version, and framework material should adopt galvanizing material by the structural requirement of booth, and specific design (prior art) should be carried out by relevant specification requirement in the cross section of material and booth basis.
Claims (10)
1. a zigzag connects a photovoltaic agricultural planting booth, comprise more than one span number and standard width of a room in an old-style house number, it is characterized in that: the ceiling of Lian Dong is zigzag, solar photovoltaic battery component is arranged in the southern side of each sawtooth roofing and PC plate or glass lighting band are arranged in interval, the north side of each sawtooth roofing and the metope of booth surrounding arrange gardening fly net or plastic film, and described plastic film comprises volume film window-opening mechanism.
2. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: the described southern side of sawtooth roofing and the angle of horizontal plane are between 10 ° ~ 18 °.
3. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: the described north side of sawtooth roofing and the angle of vertical direction are between 0 ° ~ 60 °.
4. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: the shoulder height size of booth is between 2.0m ~ 3.0m, described shoulder height refers to the height of basic end face to gutter bottom surface, and spanwise dimension is between 5.0m ~ 6.0m, and standard width of a room in an old-style house size is between 2.0m ~ 5.0m.
5. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: the width of the photovoltaic module of each southern side roofing is between 3.5m ~ 4.5m, and the width of the photovoltaic module of described southern side roofing is along span direction.
6. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: described photovoltaic cell component is " common crystal silicon solar batteries " or " thin-film solar cells " or " two glass crystal silicon solar batteries ".
7. the zigzag according to claim 1 or 6 connects a photovoltaic agricultural planting booth, it is characterized in that: when southern side roofing adopts " common crystal silicon solar batteries " and " thin-film solar cells " as roofing photovoltaic battery component, roofing photovoltaic assembly needs grouping, reserved PC plate or glass-faced ribbon skylight, between grouping, the width of interval ribbon skylight is 0.5m ~ 1.0m, interval ribbon skylight arranged direction " is parallel to span " direction or " being parallel to the standard width of a room in an old-style house " direction; When interval ribbon skylight is parallel to span direction, often organize the length of photovoltaic cell component array between 2.0m ~ 4.0m, the length of described photovoltaic cell component array is along standard width of a room in an old-style house direction.
8. the zigzag according to claim 1 or 6 connects a photovoltaic agricultural planting booth, it is characterized in that: when southern side roofing adopts " two glass crystal silicon solar batteries " as roofing photovoltaic battery component, then do not arrange class interval ribbon skylight.
9. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: north side roofing and booth surrounding metope adopt gardening fly net to cover, or adopt covered rearing with plastic film, and described plastic film comprises volume film window-opening mechanism.
10. zigzag according to claim 1 connects a photovoltaic agricultural planting booth, it is characterized in that: roofing across with across between position adopt die mould galvanized sheet gutter as being connected, water discharge member; When do not adopt gutter as drainage pattern, adopt pipe fitting to replace its connection function time, then the wide groove of 0.5m, interior paving geotextiles need be set as drain ditch on ground, vertical lower side, former gutter position, double as plantation aisle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738494.4U CN204090645U (en) | 2013-11-21 | 2013-11-21 | A kind of zigzag connects a photovoltaic agricultural planting booth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738494.4U CN204090645U (en) | 2013-11-21 | 2013-11-21 | A kind of zigzag connects a photovoltaic agricultural planting booth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204090645U true CN204090645U (en) | 2015-01-14 |
Family
ID=52259127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320738494.4U Expired - Lifetime CN204090645U (en) | 2013-11-21 | 2013-11-21 | A kind of zigzag connects a photovoltaic agricultural planting booth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204090645U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104956984A (en) * | 2015-06-08 | 2015-10-07 | 南京农业大学（宿迁）设施园艺研究院 | Greenhouse fig cutting propagation seedling nursing method |
| CN105545028A (en) * | 2016-02-02 | 2016-05-04 | 湖南俊虹置业股份有限公司 | Steel structure photovoltaic power generation plant |
| CN105830810A (en) * | 2016-05-31 | 2016-08-10 | 北京蓉坤农业科技有限公司 | Double-layer photovoltaic sunlight greenhouse |
| CN107624654A (en) * | 2017-09-29 | 2018-01-26 | 东阿阿胶股份有限公司 | One kind light modulation donkey house and its application method |
| CN107873338A (en) * | 2016-09-29 | 2018-04-06 | 中国人民解放军后勤工程学院 | A kind of photovoltaic greenhouse agriculture and collection rain condensate integrated system |
| CN108738818A (en) * | 2018-05-08 | 2018-11-06 | 阜阳昂科丰光电科技有限公司 | A kind of photovoltaic agricultural system meeting the cloudy crop growth of happiness |
| CN113356433A (en) * | 2021-05-20 | 2021-09-07 | 广州数控设备有限公司 | Roof and house that printing opacity and be convenient for maintain |
| CN113508754A (en) * | 2021-03-29 | 2021-10-19 | 贵州省种畜禽种质测定中心 | New forms of energy sheep hurdle suitable for karst area |
-
2013
- 2013-11-21 CN CN201320738494.4U patent/CN204090645U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104956984A (en) * | 2015-06-08 | 2015-10-07 | 南京农业大学（宿迁）设施园艺研究院 | Greenhouse fig cutting propagation seedling nursing method |
| CN104956984B (en) * | 2015-06-08 | 2018-03-06 | 南京农业大学（宿迁）设施园艺研究院 | A kind of greenhouse fig cutting propagation method for culturing seedlings |
| CN105545028A (en) * | 2016-02-02 | 2016-05-04 | 湖南俊虹置业股份有限公司 | Steel structure photovoltaic power generation plant |
| CN105545028B (en) * | 2016-02-02 | 2017-10-13 | 湖南俊虹置业股份有限公司 | A kind of steel construction photovoltaic generation factory building |
| CN105830810A (en) * | 2016-05-31 | 2016-08-10 | 北京蓉坤农业科技有限公司 | Double-layer photovoltaic sunlight greenhouse |
| CN107873338A (en) * | 2016-09-29 | 2018-04-06 | 中国人民解放军后勤工程学院 | A kind of photovoltaic greenhouse agriculture and collection rain condensate integrated system |
| CN107624654A (en) * | 2017-09-29 | 2018-01-26 | 东阿阿胶股份有限公司 | One kind light modulation donkey house and its application method |
| CN107624654B (en) * | 2017-09-29 | 2023-01-13 | 东阿阿胶股份有限公司 | Light-adjusting donkey house and use method thereof |
| CN108738818A (en) * | 2018-05-08 | 2018-11-06 | 阜阳昂科丰光电科技有限公司 | A kind of photovoltaic agricultural system meeting the cloudy crop growth of happiness |
| CN113508754A (en) * | 2021-03-29 | 2021-10-19 | 贵州省种畜禽种质测定中心 | New forms of energy sheep hurdle suitable for karst area |
| CN113356433A (en) * | 2021-05-20 | 2021-09-07 | 广州数控设备有限公司 | Roof and house that printing opacity and be convenient for maintain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |
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| CX01 | Expiry of patent term |