CN204948677U - Sand ground afforestation blanket - Google Patents
Sand ground afforestation blanket Download PDFInfo
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- CN204948677U CN204948677U CN201520739849.0U CN201520739849U CN204948677U CN 204948677 U CN204948677 U CN 204948677U CN 201520739849 U CN201520739849 U CN 201520739849U CN 204948677 U CN204948677 U CN 204948677U
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- afforestation
- bag
- sandy land
- layer
- top layer
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- 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
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- 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
- Y02P60/40—Afforestation or reforestation
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- Cultivation Of Plants (AREA)
Abstract
The utility model provides a sand ground afforestation blanket belongs to afforestation environment -friendly device field, including degradable bottom and top layer, be provided with the degradable between bottom and the top layer and protect the bag, by lower supreme reservoir bed and the nutritious soil layer of having set gradually in the protection bag. The utility model provides a sand ground afforestation blanket has prevented effectively that the process medium -height grass of desertification from still not growing the sand and having enlarged its area, through setting up nutritious soil layer and reservoir bed, can plant the grass seeds in nutritious soil layer, the grass that grows up to can fix the sand, controls the desertification from this, afforests the desert, through setting up the protective layer, in the transportation, can closely wrap up nutritious soil layer and reservoir bed get up, play the guard action well, prevented that nutrition soil from taking place to leak in the transportation for this sand ground afforestation blanket is convenient for transport, has guaranteed sand ground afforestation blanket's the quality and the effect of afforestation moreover.
Description
Technical field
The utility model relates to greening and environmental protection device field, in particular to a kind of afforestation on sandy land blanket.
Background technology
Desertization refers under the sandy surface conditions of extreme drought, arid, semiarid and part Semi-humid area, due to the impact of natural cause or human activity, destroy the ecosystem balance of natural frangibility, occur taking wind-sand activity as outstanding feature, and progressively formed the land deterioration process of wind erosion, aeolian accumulation geomorphological structure view.There is the soil that Desertification Process occurs and be all referred to as desertification land.Desertification land further comprises the place of reach invasion in sand dune under the effect of desert edge wind-force and original fixing, the semifixed dune activation area, sand dune due to the activity of vegetation deterioration generation drift sand.
At present, in world wide, Desertification is day by day serious, and the improvement in desert is very urgent.Existing desert control method is generally afforestation, but the method for existing afforestation is difficult to the flowing solving desert, when trees also do not grow up to, desert is expanding, the speed that the speed of planting tree expands less than desert, the improvement in desert is difficult to obtain significant effect always.
Utility model content
The utility model provides a kind of afforestation on sandy land blanket, is intended to improve the problems referred to above.
The utility model is achieved in that
A kind of afforestation on sandy land blanket, comprises degradable bottom and top layer, is provided with degradable protective bag between described bottom and described top layer, be disposed with reservoir bed and nutrition soil layer in described protective bag from the bottom to top.
Further, described protective bag is degradable paper bag.
Protective bag adopts paper bag; material is easy to obtain; with low cost; and in can well reservoir bed and nutrition soil layer being coated on, effectively prevent and leak at transportation Middle nutrition soil, be more convenient to transport; and paper bag can be degraded; after grass grows up to, paper bag degradable falls, and can not impact soil.
Further, described protective bag comprises bag, and described bag is provided with opening and the lid for closing described opening, described bag and described lid removably connect.
By arranging bag and lid, when making this afforestation on sandy land blanket, reservoir bed and nutrition soil layer is put into successively from the opening part of bag, and reservoir bed and nutrition soil layer are arranged from bottom to up successively, the opening of bag is closed again with lid, lid and bag are coupled together securely, thus in reservoir bed and nutrition soil layer are coated on well, leaks to prevent transportation Middle nutrition soil.
Further, the edge of described lid and the marginal adhesion of described bag.
The edge of lid and the edge of bag adopt bonding mode to connect, and make lid can close the opening of bag better, and sealing is tight, prevent transportation Middle nutrition soil from leaking.
Further, described protective bag is multiple, has gap between any two adjacent protective bags.
Protective bag is multiple; reservoir bed and nutrition soil layer is provided with in each protective bag; any two adjacent protective bags have gap; be conducive to rainwater to flow through from the gap between two protective bags; advantageously in afforest desert; and nutrition soil layer can be made to drink up the rain better, enable reservoir bed water storage better.
Further, described bottom is straw mat bottom or biological plastics bottom, and described top layer is straw mat top layer or biological plastics top layer.
Bottom and top layer can be degraded after grass grows up to, and can not impact the soil after grass grows up to, can provide nutrition for the growth of grass after degraded, promote the growth of grass further, and the material of straw mat is easy to obtain, biological plastics material is convenient to processing.
Further, the edge of described bottom and the edge conjunction of described top layer, form the bag configuration that is held described protective bag.
Bottom and top layer form the bag configuration holding protective bag, play outermost layer protection, be conducive to transport to reservoir bed and nutrition soil layer.
Further, described bag configuration is square, circular or polygon.Make the shape of bag configuration varied, various landform can be adapted to, prevent the better effects if that sand flows.
Further, described nutrition soil layer is provided with some grass seeds.Pre-set grass seeds at nutrition soil layer, after laying this afforestation on sandy land blanket, just can cultivate grass seeds afforest, more convenient to operate.
Further, described reservoir bed is paper layer or cotton layer.Enable reservoir bed water storage, and very environmental protection, can degrade after grass grows up to, can not impact soil.
The beneficial effect of the afforestation on sandy land blanket that the utility model provides is: when using this afforestation on sandy land blanket; this afforestation on sandy land blanket is layered on the place of desertification; cover sand; bottom is directly overlying on sand surface; then in nutrition soil layer, grass seeds is planted; reservoir bed can provide moisture for grass seeds, and nutrition soil layer provides nutrition for grass seeds, and protective bag can play a protective role to reservoir bed and nutrition soil layer.When needs supplementing water, water to this afforestation on sandy land blanket, water can store by reservoir bed, in order to follow-up be grass seeds supply water.After several years, grass has grown up to, and just can control desertification, and by desert afforestation, now bottom, top layer and protective bag all degrade, and can not impact soil.
The afforestation on sandy land blanket that the utility model provides is by covering sand, even if there is wind can not scrape sand, the process medium-height grass that effectively prevent desertization does not also grow the area that sand has expanded it yet.By arranging nutrition soil layer and reservoir bed, grass seeds can be planted in nutrition soil layer, the grass grown up to can fix the sand, and controls desertification thus, by desert afforestation.This afforestation on sandy land blanket can realize industrialized mass production, and the regulation effect of prone soil is remarkable.In addition; by arranging protective layer; in transportation; nutrition soil layer and reservoir bed closely can be wrapped up; play a protective role well; prevent Nutrition Soil to leak in transportation, make this afforestation on sandy land blanket be convenient to transport, and ensure that the quality of afforestation on sandy land blanket and the effect of greening.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the afforestation on sandy land blanket that Fig. 1 provides for the utility model embodiment;
The structural representation of the protective bag of the afforestation on sandy land blanket that Fig. 2 provides for the utility model embodiment.
Figure acceptance of the bid note is respectively:
Bottom 101; Top layer 102; Protective bag 103; Reservoir bed 104; Nutrition soil layer 105; Bag 106; Lid 107.
Embodiment
Desertization refers under the sandy surface conditions of extreme drought, arid, semiarid and part Semi-humid area, due to the impact of natural cause or human activity, destroy the ecosystem balance of natural frangibility, occur taking wind-sand activity as outstanding feature, and progressively formed the land deterioration process of wind erosion, aeolian accumulation geomorphological structure view.There is the soil that Desertification Process occurs and be all referred to as desertification land.Desertification land further comprises the place of reach invasion in sand dune under the effect of desert edge wind-force and original fixing, the semifixed dune activation area, sand dune due to the activity of vegetation deterioration generation drift sand.
At present, in world wide, Desertification is day by day serious, and the improvement in desert is very urgent.Existing desert control method is generally afforestation, but the method for existing afforestation is difficult to the flowing solving desert, when trees also do not grow up to, desert is expanding, the speed that the speed of planting tree expands less than desert, the improvement in desert is difficult to obtain significant effect always.
Given this, designer of the present utility model is by long-term exploration and trial, and experiment repeatedly and effort, constantly reforms and innovates, devise a kind of afforestation on sandy land blanket, can effectively prevent the process medium-height grass of desertization from also not growing the area that sand has expanded it.By arranging nutrition soil layer 105 and reservoir bed 104, grass seeds can be planted in nutrition soil layer 105, the grass grown up to can fix the sand, and controls desertification thus, by desert afforestation; Can realize industrialized mass production, the regulation effect of prone soil is remarkable.And by arranging protective layer; in transportation; nutrition soil layer 105 and reservoir bed 104 closely can be wrapped up; play a protective role well; Nutrition Soil is prevented to leak in transportation; make this afforestation on sandy land blanket be convenient to transport, and ensure that the quality of afforestation on sandy land blanket and the effect of greening.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
Refer to Fig. 1; present embodiments provide a kind of afforestation on sandy land blanket; comprise degradable bottom 101 and top layer 102, between bottom 101 and top layer 102, be provided with degradable protective bag 103, in protective bag 103, be disposed with reservoir bed 104 and nutrition soil layer 105 from the bottom to top.Reservoir bed 104 is near bottom 101, and nutrition soil layer 105 is near top layer 102.
With the high Nutrition Soil prepared in nutrition soil layer 105, concrete batching has wood wool, the excrement material of fermentation, various trace element (can according to different geology soil, allocate), the soil of some this locality and the batching of some other necessity, and these batchings must be degraded, so just ensure can not there be impact to soil.
Refer to Fig. 1; when using this afforestation on sandy land blanket; several afforestation on sandy land blankets are stitched together and are layered on the place of desertification; also afforestation on sandy land blanket can be made a monoblock corresponding with the local area desertified, cover sand, bottom 101 is directly overlying on sand surface; then in nutrition soil layer 105, grass seeds is planted; reservoir bed 104 can provide moisture for grass seeds, and nutrition soil layer 105 provides nutrition for grass seeds, and protective bag 103 can play a protective role to reservoir bed 104 and nutrition soil layer 105.When needs supplementing water, water to this afforestation on sandy land blanket, water can store by reservoir bed 104, in order to follow-up be grass seeds supply water.After several years, grass has grown up to, and just can control desertification, and by desert afforestation, now bottom 101, top layer 102 and protective bag 103 all degrade, and can not impact soil.
The afforestation on sandy land blanket that the present embodiment provides is by covering sand, even if there is wind can not scrape sand, the process medium-height grass that effectively prevent desertization does not also grow the area that sand has expanded it yet.By arranging nutrition soil layer 105 and reservoir bed 104, grass seeds can be planted in nutrition soil layer 105, the grass grown up to can fix the sand, and controls desertification thus, by desert afforestation.
This afforestation on sandy land blanket can realize industrialized mass production, and when fund and the manpower of abundance, the regulation effect of prone soil is remarkable.
In addition; this afforestation on sandy land blanket is by arranging protective layer; in transportation; nutrition soil layer 105 and reservoir bed 104 closely can be wrapped up; play a protective role well; prevent Nutrition Soil to leak in transportation, make this afforestation on sandy land blanket be convenient to transport, and ensure that the quality of afforestation on sandy land blanket and the effect of greening.
The afforestation on sandy land blanket that the present embodiment provides not only can be used for controlling to desertify, and afforestation desert, also may be used for the greening of other more severe ground surface environments or the greening in wasteland.
On the basis of the technical scheme of the afforestation on sandy land blanket provided at above-described embodiment, further, refer to Fig. 1, bottom 101 is straw mat bottom or biological plastics bottom, and top layer 102 is straw mat top layer or biological plastics top layer.As preferably, in the present embodiment, bottom 101 is straw mat bottom, and top layer 102 is straw mat top layer.
Straw mat or biological plastics is adopted to make, bottom 101 and top layer 102 can be degraded after grass grows up to, soil after grass grows up to can not be impacted, nutrition can be provided for the growth of grass after degraded, the further growth promoting grass, and the material of straw mat is easy to obtain, biological plastics material is convenient to processing.
Refer to Fig. 1, the edge of bottom 101 and the edge conjunction of top layer 102, form the bag configuration that is held protective bag 103.Bottom 101 and top layer 102 form the bag configuration holding protective bag 103, play outermost layer protection, be conducive to transport to reservoir bed 104 and nutrition soil layer 105.
As preferably, in the present embodiment, the edge of straw mat bottom 101 and the edge of straw mat top layer 102 adopt cotton thread or grass to make.Should be appreciated that this afforestation on sandy land blanket can think a straw bag of sewing it up, in straw bag, accommodate protective bag 103, in protective bag 103, be provided with reservoir bed 104 and nutrition soil layer 105.
Bag configuration is square, circular or polygon.Make the shape of bag configuration varied, various landform can be adapted to, prevent the better effects if that sand flows.As preferably, in the present embodiment, bag configuration is the square of 1m × 1m.Make bag configuration be convenient to processing and transport, be conducive to adapting with landform.Certainly, bag configuration can also be other sizes, such as 1.5m × 1.5m, 2m × 2m, 3m × 3m etc.
In addition, conveniently lay and transport, the shape of bag configuration can adopt rectangle, and can roll as carpet or spread out, it be preferably dimensioned to be 1m × 10m or 1m × 20m, can certainly be other sizes.
Nutrition soil layer 105 is provided with some grass seeds.Pre-set grass seeds at nutrition soil layer 105, after laying this afforestation on sandy land blanket, just can cultivate grass seeds afforest, more convenient to operate.
Protective bag 103 is degradable paper bag.Protective bag 103 adopts paper bag; material is easy to obtain; with low cost; and in can well reservoir bed 104 and nutrition soil layer 105 being coated on, effectively prevent and leak at transportation Middle nutrition soil, be more convenient to transport; and paper bag can be degraded; after grass grows up to, paper bag degradable falls, and can not impact soil.Certainly, protective bag 103, except adopting paper bag, can also adopt other degradable materials to make, as long as can to play a protective role, be convenient to transport.
The profile of protective bag 103 can be square, rectangle, circle or polygon, and its quantity can be one, also can be multiple.
Refer to Fig. 1 and Fig. 2, when protective bag 103 is one, its shape is preferably corresponding to the shape of bag configuration, and is dimensioned slightly smaller than the size of bag configuration, and such as, the gap between the outer wall of protective bag 103 and the inwall of bag configuration is 20mm.Like this, the size of protective bag 103 can be done greatly as best one can, thus take up more reservoir bed 104 and nutrition soil layer 105, space availability ratio is higher.
In addition, when protective bag 103 is multiple, multiple protective bag 103 can be arranged arbitrarily, all can realize greening, can be such as spaced apart, also can be adjacent two near distribution.As preferably, between any two adjacent protective bags 103, there is gap, like this; be conducive to rainwater to flow through from the gap between two protective bags 103; advantageously in afforest desert, and nutrition soil layer 105 can be made to drink up the rain better, enable reservoir bed water storage 104 better.
Illustrate only the situation that protective bag 103 is in the diagram of the present embodiment, the overall dimensions of protective bag 103 is comparatively large, and can take up more reservoir bed 104 and nutrition soil layer 105, space availability ratio is higher.
Refer to Fig. 2, preferably, protective bag 103 comprises bag 106, bag 106 is provided with opening and the lid 107 for closing openings, and bag 106 and lid 107 removably connect.
By arranging bag 106 and lid 107, when making this afforestation on sandy land blanket, reservoir bed 104 and nutrition soil layer 105 is put into successively from the opening part of bag 106, and reservoir bed 104 and nutrition soil layer 105 are arranged from bottom to up successively, the opening of bag 106 is closed again with lid 107, lid 107 and bag 106 are coupled together securely, thus in reservoir bed 104 and nutrition soil layer 105 are coated on well, leaks to prevent transportation Middle nutrition soil.
The edge of lid 107 and the marginal adhesion of bag 106.Edge and the edge of bag 106 of lid 107 adopt bonding mode to connect, and make lid 107 can close the opening of bag 106 better, and sealing is tight, prevent transportation Middle nutrition soil from leaking.
Refer to Fig. 1, reservoir bed 104 is paper layer or cotton layer.Make reservoir bed 104 can water storage, and very environmental protection, can degrade after grass grows up to, can not impact soil.
In addition, when afforesting, the gap location in the middle of every four pieces of afforestation on sandy land blankets can plant some trees of fixing the sand, and such as sea-buckthorn, strange willow, desert cistanche, can select according to different areas.
In addition; in embodiments more of the present utility model; bottom 101 and protective bag 103 all adopt paper material to make; thus form a paper bag; that is bottom 101 and protective bag 103 form an entirety; wherein be provided with reservoir bed 104 and nutrition soil layer 105; top layer 102 is set on this paper bag; top layer 102 is straw mat top layer, in use, is directly layed on sand ground by the overall paper bag that bottom 101 and protective bag 103 are formed; grass can be cultivated; top layer 102 can prevent this paper bag to be blown away, thus grass grows up to by the time, realizes the greening of sand ground.Adopt this structure, can afforestation on sandy land be realized equally, and cost is lower, easy and simple to handle.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an afforestation on sandy land blanket, is characterized in that, comprises degradable bottom and top layer, is provided with degradable protective bag between described bottom and described top layer, is disposed with reservoir bed and nutrition soil layer in described protective bag from the bottom to top.
2. afforestation on sandy land blanket according to claim 1, is characterized in that, described protective bag is degradable paper bag.
3. afforestation on sandy land blanket according to claim 2, is characterized in that, described protective bag comprises bag, and described bag is provided with opening and the lid for closing described opening, described bag and described lid removably connect.
4. afforestation on sandy land blanket according to claim 3, is characterized in that, the edge of described lid and the marginal adhesion of described bag.
5. afforestation on sandy land blanket according to claim 4, is characterized in that, described protective bag is multiple, has gap between any two adjacent protective bags.
6. afforestation on sandy land blanket according to claim 1, is characterized in that, described bottom is straw mat bottom or biological plastics bottom, and described top layer is straw mat top layer or biological plastics top layer.
7. afforestation on sandy land blanket according to claim 6, is characterized in that, the edge of described bottom and the edge conjunction of described top layer, forms the bag configuration that is held described protective bag.
8. afforestation on sandy land blanket according to claim 7, is characterized in that, described bag configuration is square, circular or polygon.
9. afforestation on sandy land blanket according to claim 1, is characterized in that, described nutrition soil layer is provided with some grass seeds.
10. afforestation on sandy land blanket according to claim 1, is characterized in that, described reservoir bed is paper layer or cotton layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739849.0U CN204948677U (en) | 2015-09-22 | 2015-09-22 | Sand ground afforestation blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739849.0U CN204948677U (en) | 2015-09-22 | 2015-09-22 | Sand ground afforestation blanket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204948677U true CN204948677U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520739849.0U Expired - Fee Related CN204948677U (en) | 2015-09-22 | 2015-09-22 | Sand ground afforestation blanket |
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| CN (1) | CN204948677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108781599A (en) * | 2018-06-01 | 2018-11-13 | 山西大学 | A kind of green product for sand ground sand-fixing greening |
-
2015
- 2015-09-22 CN CN201520739849.0U patent/CN204948677U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108781599A (en) * | 2018-06-01 | 2018-11-13 | 山西大学 | A kind of green product for sand ground sand-fixing greening |
| CN108781599B (en) * | 2018-06-01 | 2020-12-25 | 山西大学 | Green and environment-friendly product for sand stabilization and greening of sand |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |