CN203922879U - A kind of artificial mountain spring water is directly drunk machine - Google Patents
A kind of artificial mountain spring water is directly drunk machine Download PDFInfo
- Publication number
- CN203922879U CN203922879U CN201420328775.7U CN201420328775U CN203922879U CN 203922879 U CN203922879 U CN 203922879U CN 201420328775 U CN201420328775 U CN 201420328775U CN 203922879 U CN203922879 U CN 203922879U
- Authority
- CN
- China
- Prior art keywords
- water
- membrane assembly
- mountain spring
- reverse osmosis
- spring water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 229910001868 water Inorganic materials 0.000 title claims abstract description 105
- 239000012528 membrane Substances 0.000 claims abstract description 66
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 26
- 239000002351 wastewater Substances 0.000 claims abstract description 18
- 239000013078 crystal Substances 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 230000035622 drinking Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000011573 trace mineral Substances 0.000 abstract description 9
- 235000013619 trace mineral Nutrition 0.000 abstract description 9
- 238000000746 purification Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 206010006956 Calcium deficiency Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 229940029985 mineral supplement Drugs 0.000 description 1
- 235000020786 mineral supplement Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of artificial mountain spring water and directly drink machine, comprise the hyperfiltration membrane assembly being connected in series successively by pipeline, RO reverse osmosis membrane assembly, active carbon filter core and ore element kit, the water-in of described hyperfiltration membrane assembly passes into former water, the water outlet of described ore element kit connects clear water faucet output and drinks artificial mountain spring water, the water-in of described hyperfiltration membrane assembly is parallel with low pressure valve, between described hyperfiltration membrane assembly and RO reverse osmosis membrane assembly, series connection is provided with water intaking valve and topping-up pump, between described RO reverse osmosis membrane assembly and active carbon filter core, be in series with vacuum breaker and high-pressure valve.The utility model imitates the forming process of natural mountain spring water, overcome in the market water purification machine in purifying waste water, the defect that trace element necessary human body in water has also been removed, after water is purified totally, adopt containing the abundant high-quality natural crystal of the necessary trace element of human body, carry out micro-reduction by suitable proportion again and supplement, make purifying waste water after filtering be better than natural mountain spring water.
Description
Technical field
The utility model belongs to water purifier field, is specifically related to a kind of artificial mountain spring water that tap water, rural well water in resident family can be supplemented to micro elements needed by human after purifying and directly drinks machine.
Background technology
In conventional water purifier industry, there are ultrafilter and water purification machine two class types.The advantage of ultrafilter is " two go a reservation ", has removed microorganism and the chlorinated lime in tap water, has retained the trace element in water, and shortcoming is most of inorganic salt and the heavy metal that can not remove in tap water, and mouthfeel is improved very micro-.
As shown in Figure 1, the water treatment element that in tradition water purification machine, water passes through successively comprises: cotton filter core 1---active carbon filter core 3---RO reverse osmosis membrane assembly 8---the post active carbon filter core 11 of pp, the advantage of this structure is thoroughly to remove all substances in water (metallic salt and chlorinated lime), hygienic quality, mouthfeel are better, shortcoming is the trace element that has not had human body necessary, unfavorable to HUMAN HEALTH; Waste water is through gac, the filtration resource of having wasted gac.
Utility model content
The technical problem that the utility model solves is: provide a kind of artificial mountain spring water that possesses ultrafilter and two kinds of water purifier advantages of water purification machine directly to drink machine, overcome the shortcoming of above-mentioned two kinds of water purifiers simultaneously, the tap water of favourable HUMAN HEALTH can be provided.
The utility model adopts following technical scheme to realize: a kind of artificial mountain spring water is directly drunk machine, comprise the hyperfiltration membrane assembly 4, RO reverse osmosis membrane assembly 8, active carbon filter core 3 and the ore element kit 13 that are connected in series successively by pipeline, the water-in of described hyperfiltration membrane assembly 4 passes into former water, and the water outlet of described ore element kit 13 connects clear water faucet 12 and exports the artificial mountain spring water of drinking; Wherein, the water-in of described hyperfiltration membrane assembly 4 is parallel with low pressure valve 2, between described hyperfiltration membrane assembly 4 and RO reverse osmosis membrane assembly 8, series connection is provided with water intaking valve 5 and topping-up pump 6, between described RO reverse osmosis membrane assembly 8 and active carbon filter core 3, is in series with vacuum breaker 9 and high-pressure valve 10.
Further, described RO reverse osmosis membrane assembly is provided with waste water mouth and is connected with wastewater valve 7, and described wastewater valve 7 is connected to domestic water tap 17 for discharging condensed water, and domestic water can directly be discharged or be used as to condensed water.
Further, the pipeline between described RO reverse osmosis membrane assembly 4 and active carbon filter core 3 is provided with the detection mouth 16 that detects filtering accuracy.
Further, described active carbon filter core 3 is connected and is arranged on pipeline for active carbon filter core more than two-stage.
In the utility model, the water outlet of described ore element kit 13 is connected with clear water faucet 12 by rearmounted hyperfiltration membrane assembly 14.
In the utility model, described ore element kit 13 comprises putamina and the inner natural crystal of filling of putamina.
In the utility model, described natural crystal adopts Stalactitum and medical stone.
In the utility model, described hyperfiltration membrane assembly 4 and RO reverse osmosis membrane assembly 8 adopt the structure of detachable putamina and the combination of film core.
In technique scheme, the utility model is all placed in all active carbon filter cores after RO reverse osmosis membrane assembly, than the benefit of traditional water purification machine be like this, condensed water is not directly passed through gac, to improve the work-ing life of active carbon filter core more than 5 times, RO film can not stopped up in the ash end of gac affects its filter effect, and gac can be by bacterium and manure contamination thereof.Simultaneously; adopt hyperfiltration membrane assembly to substitute the position of the cotton filter core of PP of traditional water purification machine; can more effectively protect RO reverse osmosis membrane below; and hyperfiltration membrane assembly adopts detachable structure; can be rinsed by user oneself; saved and changed trouble, the replacement cycle of ultra-filtration membrane is the more than 10 times of PP cotton, greatly reduces maintenance cost.
In the utility model, be through the sterilized water of ultra-filtration membrane (but containing part sterilant chlorinated lime) from wastewater valve water out, can be for washing the domestic water in the process such as dish and fruit washing, ultra-filtration membrane shell component adopts detachable putamina, is convenient to cleaning and the replacing of ultrafiltration membrane filter element.Being arranged on the super rate membrane module of the last postposition of ore element kit can make a final check to secondary pollution, further extends the fresh keeping time of purifying waste water.
After the active carbon filter core of straight drink machine, some joint natural crystal filter cores (can adopt different types of ore proportioning in proportion according to different demands) are set, like this, in pure water, just there is the mineral substance useful to human body, and there is no objectionable impurities, also there is no useless material, the trace element that property is added is levied in just having of having.Therefore, the artificial mountain spring water of straight drink machine output of the present utility model, is better than natural mountain spring water.
From the above mentioned, the utility model is a kind of renewal product of water purifier, design by the forming process of imitating natural mountain spring water, overcome in the market water purification machine in purifying waste water, the defect that trace element necessary human body in water has also been removed, detect by the investigation to local high-quality mountain spring water, draw the definite content of various trace elements in local high-quality mountain spring water, after water is purified totally, adopt again corresponding natural crystal, reduce and supplement by various micronutrient levelss in local high-quality mountain spring water again, make purifying waste water after filtering, there are following three feature: a: objectionable impurities is all removed simultaneously, b: mouthfeel is better than mountain spring water (because having removed harmful in water and useless material) c: trace element has obtained reduction and supplemented.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Brief description of the drawings
Fig. 1 is the schematic diagram of water purification machine of the prior art.
Fig. 2 is that the artificial mountain spring water of the Pyatyi cleanup standard in the utility model is directly drunk machine.
Fig. 3 is that the artificial mountain spring water of six grades of cleanup standards in the utility model is directly drunk machine.
Fig. 4 is that the artificial mountain spring water of seven grades of cleanup standards in the utility model is directly drunk machine.
Fig. 5 is that the artificial mountain spring water of eight grades of cleanup standards in the utility model is directly drunk machine.
The cotton filter core of number in the figure: 1-PP, 2-low pressure valve, 3-active carbon filter core, 4-hyperfiltration membrane assembly, 5-water intaking valve, 6-topping-up pump, 7-wastewater valve, 8-RO reverse osmosis membrane assembly, 9-vacuum breaker, 10-high-pressure valve, 11-post active carbon filter core, 12-clear water faucet, 13-ore element kit, the rearmounted hyperfiltration membrane assembly of 14-, 15-pressure pot, 16-detects mouth, 17-domestic water tap.
Embodiment
Embodiment 1
In conjunction with referring to Fig. 2 and Fig. 3, a kind of artificial mountain spring water is directly drunk machine, comprise the hyperfiltration membrane assembly 4, RO reverse osmosis membrane assembly 8, active carbon filter core 3 and the ore element kit 13 that are connected in series successively by pipeline, the water-in of described hyperfiltration membrane assembly 4 passes into former water, and the water outlet of described ore element kit 13 connects clear water faucet 12 and exports drinkable artificial mountain spring water; Wherein, the water-in of described hyperfiltration membrane assembly 4 is parallel with low pressure valve 2, between described hyperfiltration membrane assembly 4 and RO reverse osmosis membrane assembly 8, series connection is provided with water intaking valve 5 and topping-up pump 6, between described RO reverse osmosis membrane assembly 8 and active carbon filter core 3, is in series with vacuum breaker 9 and high-pressure valve 10.Waste water mouth at described RO reverse osmosis membrane assembly is equipped with wastewater valve 7, and described wastewater valve 7 is connected to domestic water tap 17 for exporting the domestic water after preliminary filtration.Pipeline between described RO reverse osmosis membrane assembly 4 and active carbon filter core 3 is provided with the detection mouth 16 for detection of the filtering accuracy of RO film.Described ore element kit 13 comprises putamina and the inner natural crystal of filling of putamina.Described hyperfiltration membrane assembly 4 and RO reverse osmosis membrane assembly 8 adopt the structure of detachable putamina and the combination of film core.
The present embodiment all adopts the series connection of two-stage active carbon filter core to be arranged on pipeline, wherein Fig. 2 adopts a joint ore element kit 13, directly drinks the Pyatyi water treatment configuration of machine above in conjunction with artificial mountain spring water in the hyperfiltration membrane assembly 4 arranging, RO reverse osmosis membrane assembly 8 composition diagrams 2; In Fig. 3, adopt the ore element kit 13 of two joint series connection, directly drink six grades of water treatment configurations of machine above in conjunction with artificial mountain spring water in the hyperfiltration membrane assembly 4 arranging, RO reverse osmosis membrane assembly 8 and two-stage active carbon filter core 3 composition diagrams 3.
Embodiment 2
In conjunction with referring to Fig. 4 and Fig. 5, on the basis of embodiment 1, the water outlet of described ore element kit 13 is connected with clear water faucet 12 by rearmounted hyperfiltration membrane assembly 14.
In Fig. 4, adopt the ore element kit 13 of two joint series connection, the rearmounted hyperfiltration membrane assembly 14 that hyperfiltration membrane assembly 4, RO reverse osmosis membrane assembly 8, two-stage active carbon filter core 3 and the ore element kit arranging above in conjunction with it arranges below, in composition diagram 4, artificial mountain spring water is directly drunk seven grades of water treatment configurations of machine; In Fig. 5, adopt the ore element kit 13 of three joint series connection, the rearmounted hyperfiltration membrane assembly 14 that hyperfiltration membrane assembly 4, RO reverse osmosis membrane assembly 8, two-stage active carbon filter core 3 and the ore element kit arranging above in conjunction with it arranges below, in composition diagram 5, artificial mountain spring water is directly drunk eight grades of water treatment configurations of machine.
The specific configuration of above-mentioned two embodiment is used as follows: first detect by the water quality (investigation) to the different high-quality mountain spring waters in locality, draw the necessary mineral substance (as: calcium of various human bodies in local different mountain spring water, iron, zinc, selenium) content, for same element (such as calcium) if in some mountain spring wells, (code name: A well) content is minimum (such as: 1mg/L), and rely on A well to do the phenomenon of not finding since the dawn of human civilization calcium deficiency in the crowd of tap water, so, we can be the minimum content of this calcium (such as the minimum content that 1mg/L) is considered as calcium in local healthy water, in other words, if in the direct-drinking water after purifying by water purifier the content of (by supplement) calcium reach (or exceeding) this minimum content (such as: 1mg/L), so, crowd's (drinking this purifying waste water) of A well life around just can not calcium deficiency.Remaining must trace element the rest may be inferred equally, can obtain ore filter core in embodiment and need to adopt the natural crystal of which kind, the reduction of the pure water after filtering being carried out to micro element mineral supplements.
These are only preferred embodiment of the present 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 of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an artificial mountain spring water is directly drunk machine, it is characterized in that: comprise the hyperfiltration membrane assembly (4), RO reverse osmosis membrane assembly (8), active carbon filter core (3) and the ore element kit (13) that are connected in series successively by pipeline, the water-in of described hyperfiltration membrane assembly (4) passes into former water, and the water outlet of described ore element kit (13) connects clear water faucet (12) and exports the artificial mountain spring water of drinking; Wherein, the water-in of described hyperfiltration membrane assembly (4) is parallel with low pressure valve (2), between described hyperfiltration membrane assembly (4) and RO reverse osmosis membrane assembly (8), series connection is provided with water intaking valve (5) and topping-up pump (6), is in series with vacuum breaker (9) and high-pressure valve (10) between described RO reverse osmosis membrane assembly (8) and active carbon filter core (3).
2. the artificial mountain spring water of one according to claim 1 is directly drunk machine, it is characterized in that: described RO reverse osmosis membrane assembly is provided with waste water mouth and is connected with wastewater valve (7), and described wastewater valve (7) is connected to domestic water tap (17) for discharging condensed water.
3. the artificial mountain spring water of one according to claim 2 is directly drunk machine, it is characterized in that: the pipeline between described RO reverse osmosis membrane assembly (4) and active carbon filter core (3) is provided with the detection mouth (16) that detects filtering accuracy.
4. the artificial mountain spring water of one according to claim 3 is directly drunk machine, it is characterized in that: described active carbon filter core (3) is connected and is arranged on pipeline for active carbon filter core more than two-stage.
5. directly drink machine according to the artificial mountain spring water of one described in any one in claim 1-4, it is characterized in that: the water outlet of described ore element kit (13) is connected with clear water faucet (12) by rearmounted hyperfiltration membrane assembly (14).
6. the artificial mountain spring water of one according to claim 5 is directly drunk machine, it is characterized in that: described ore element kit (13) comprises putamina and the inner natural crystal of filling of putamina.
7. the artificial mountain spring water of one according to claim 6 is directly drunk machine, it is characterized in that: described natural crystal adopts Stalactitum and medical stone.
8. the artificial mountain spring water of one according to claim 5 is directly drunk machine, it is characterized in that: described hyperfiltration membrane assembly (4) and RO reverse osmosis membrane assembly (8) adopt the structure of detachable putamina and the combination of film core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328775.7U CN203922879U (en) | 2014-06-19 | 2014-06-19 | A kind of artificial mountain spring water is directly drunk machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328775.7U CN203922879U (en) | 2014-06-19 | 2014-06-19 | A kind of artificial mountain spring water is directly drunk machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203922879U true CN203922879U (en) | 2014-11-05 |
Family
ID=51818735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328775.7U Expired - Lifetime CN203922879U (en) | 2014-06-19 | 2014-06-19 | A kind of artificial mountain spring water is directly drunk machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203922879U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315706A (en) * | 2016-08-31 | 2017-01-11 | 朱心江 | Metasilicic acid ball filter element and preparation method thereof |
| CN108178352A (en) * | 2017-12-14 | 2018-06-19 | 长沙康祺环保科技有限公司 | A kind of preparation method of artificial mountain spring water |
| CN110436557A (en) * | 2019-07-29 | 2019-11-12 | 平武县颐生泉生物科技开发有限公司 | A kind of preparation method of mountain spring water |
-
2014
- 2014-06-19 CN CN201420328775.7U patent/CN203922879U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315706A (en) * | 2016-08-31 | 2017-01-11 | 朱心江 | Metasilicic acid ball filter element and preparation method thereof |
| CN108178352A (en) * | 2017-12-14 | 2018-06-19 | 长沙康祺环保科技有限公司 | A kind of preparation method of artificial mountain spring water |
| CN110436557A (en) * | 2019-07-29 | 2019-11-12 | 平武县颐生泉生物科技开发有限公司 | A kind of preparation method of mountain spring water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103613217A (en) | Water purifier capable of adjusting water quality | |
| CN202744408U (en) | Intelligent water purifier capable of optimizing TDS (total dissolved solid) value and pH value of drinking water | |
| CN203922879U (en) | A kind of artificial mountain spring water is directly drunk machine | |
| CN205990292U (en) | A kind of central authorities soft water cleaning system | |
| CN204958614U (en) | Directly drink water purification installation | |
| CN202246289U (en) | Box body type ultrafiltration membrane water purifier | |
| CN201825798U (en) | Reverse osmosis membrane water purifier with less or no wastewater draining | |
| CN103172197A (en) | Multifunctional energy-saving integral direct drinking water machine | |
| CN201309868Y (en) | Household water purifier supplying water according to the quality degree | |
| CN105174543A (en) | Direct drinking water purifying method and device | |
| CN204958611U (en) | Energy -conserving purifier | |
| CN203451307U (en) | Water purifier | |
| CN205442920U (en) | Water purification apparatus | |
| CN201626852U (en) | Water purifier with rapid-replacement filter elements and filter materials | |
| CN204689761U (en) | A kind of multiplex concentrated water purifying plant | |
| CN201686579U (en) | Multimedia ultrafiltration membrane combined water purifier with draining function | |
| CN201713408U (en) | KDF and ultrafiltration membrane kitchen water purifier | |
| CN208700782U (en) | A kind of economical and environment-friendly ultrafiltration water-purifying apparatus | |
| CN104973709A (en) | Device for water purification and classification | |
| CN201454418U (en) | Ultrafiltration and reverse osmosis household water purifier | |
| CN201268639Y (en) | Yard type multifunctional water purifying system apparatus | |
| CN2680656Y (en) | Nano-filtration water purification system | |
| CN203683247U (en) | Water purifier capable of regulating water quality | |
| CN201506727U (en) | Medical stone healthcare water dispenser | |
| CN201686587U (en) | Urban household mineral water filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |