CN1236725A - Disposable chopsticks and food containers made of plant fibres and its manufacture method - Google Patents
Disposable chopsticks and food containers made of plant fibres and its manufacture method Download PDFInfo
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- CN1236725A CN1236725A CN99113775A CN99113775A CN1236725A CN 1236725 A CN1236725 A CN 1236725A CN 99113775 A CN99113775 A CN 99113775A CN 99113775 A CN99113775 A CN 99113775A CN 1236725 A CN1236725 A CN 1236725A
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- food containers
- disposable chopsticks
- plant fiber
- chopsticks
- vegetable fibre
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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
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The disposable chopsticks and food containers are made up of plant fibres, starch, edible salt, amino resin, calcium carbonate and water through hot pressing to shape. Its advantages are no poison and odour, high resistance to high or low temp, oil, water and microwave heating, low cost, widely available raw materials and natural biodegradation in 30 days or as feed after it is used.
Description
The present invention relates to Disposable chopsticks of plant fiber and food containers and production method thereof.
Throwaway chopsticks at present commonly used all have drawn from timber such as birch, the making of disposable chopsticks has specific requirement to wood material species, not only timber resources is limited, and because timber itself exists the shortcoming that is difficult to overcome, as material directivity is arranged, the hardness of vertical and horizontal is obviously different, can cause warpage and crackle because humidity changes, and the scar knot of timber also influences the problems such as degree of utilization of timber.And consider from the angle of environmental protection, fall trees in a large number and can cause soil erosion, drought and waterlogging takes place.Also the someone uses bamboo instead and produces throwaway chopsticks, but bamboo processing difficulties not only exists the problem of resource-constrained too.Therefore seeking new material source makes throwaway chopsticks, is current front-burner issue.
That uses at present again has formed serious " white pollution " with Polymer as the disposable foodstuff vessel of material, and this problem also has to be solved.Existing much bibliographical informations of relevant improvement food containers, for example adopt vegetable fibre to produce the patent CN94115096.8 of diet product container and package packing supplies (1994), this method is that mixed cellulose paste at first is pressed into plate, molded then, thermocompression forming, spray glue, drying etc., its shortcoming is that this method technology will just can be finished by 15 procedures, and energy consumption is big.Also existing environmental-protection quick cutlery box supply on the market, these green instant food boxes are had plenty of with paper generation and mould, discarded after easily by microbial decomposition in the soil, but also can bring new environmental problem.At first being that a large amount of timber resources is wanted in papermaking, secondly is the pollution that can bring water in the paper-making process again.Also having with the vegetable fibre is the Product Green snack box that raw material is made, but temperature tolerance is poor, inject boiling water after waterproof layer peel off phenomenon, put into micro-wave oven and heat and just begin to occur the foamed phenomenon of smoldering after 30 seconds, on performance, can not satisfy practical requirement.
Therefore, in order to overcome above-mentioned weak point of the prior art, the purpose of this invention is to provide a kind of is the throwaway chopsticks and the food containers of raw material processing and fabricating by vegetable fibre, starch, salt, amino resin, calcium carbonate and water.
Another object of the present invention provides the production method of Disposable chopsticks of plant fiber and food containers, and raw material sources are wide, technology is simple, cost is low.
Disposable chopsticks of plant fiber of the present invention and food containers are to be raw material with vegetable fibre, starch, salt, amino resin, calcium carbonate and water, fully stir according to a certain ratio mixed after, hot-forming.
Disposable chopsticks of plant fiber of the present invention and food containers are to be raw material with following constituent, and the proportioning of each constituent is:
Constituent content (weight %)
Vegetable fibre 20-40
Starch 20-40
Salt 1-3
Amino resin 10-30
Calcium carbonate 4-8
Water 5-15
Vegetable fibre is the main body framework material of throwaway chopsticks of the present invention and food containers, can derive from waste crop materials, as rice chaff, wheat straw, cornstalk, green grass, straw, melon seedling etc., or branch, wood chip, bamboo branch etc.Vegetable fibre is ground into 40-80 purpose fine powder.
Starch can be cornstarch, potato starch, sweet potato starch, wheat flour, ground rice etc. as coagulant.
Salt as hand modifier, be ground into the fine powder of 40-80.
Amino resin is urea formaldehyde molding powder and/or melamino-formaldehyde molding powder as water repellant.
Calcium carbonate is as extending agent.
Water is as solvent.
The production method of Disposable chopsticks of plant fiber of the present invention and food containers comprise vegetable fibre to give processing steps such as processing, batching, mold pressing, packing as follows:
1. vegetable fibre gives processing
The raw material of vegetable fibre is cleaned up, dry aqueous ingredients and make an appointment with about≤17%, can satisfy to pulverize getting final product in operation, be ground into 40-80 purpose fine powder with comminutor then, standby.
2. prepare burden
Press the proportioning weighing of each constituent of above-mentioned raw materials, fully stir vegetable fibre, starch, salt, amino resin, calcium carbonate and water mixed, standby together.
3. mold pressing
Blended stock is put into mould, hot-forming, promptly get goods.Mold temperature keeps 100-200 ℃, and pressing pressure is 10-25Mpa, and the press time is 20-40 second/millimeters thick.
4. pack
Hot-forming goods are highly polished, must not repair, and especially by the molding article under the High Temperature High Pressure, played the effect of sterilization simultaneously, and goods can directly enter packing.
The test case of Disposable chopsticks of plant fiber of the present invention and food containers goods being carried out the food hygiene properties of product is as follows:
1. acute toxicity test records LD with the mouse animal experiment
50＞10g/kg body weight.
2. the mensuration of aerobic biological degradation rate.
Test method is to carry out with reference to the standard method about measuring plastics aerobic biological degradation under the controlled composting condition of ASTMD5338-92.
Test result: the aerobic biological degradation rate is 39.9% (30 days accumulative total of every gram sample produces 614.8 milligrams of carbon dioxide).
This result is higher than the biological degradation rate of China's degradation plastic snack container.
3. microbiological indicator
| Project | Measured value | Standard value * |
| Escherichia coli are (individual/100g) pathogenic bacteria | 10 do not have | ≤ 20 do not have |
*Draw from TB/T2611-94 " railway fast food lunch-box supply of material general technical specifications "
4. toxicity physics and chemistry detects
| Project | Measured value | Standard value * |
| Heavy metal (in Pb) mg/L buffet oil decolorization test ethanol decolorization test oil resistant test water resistant test heavy burden % | ＜1 negative ne-leakage ne-leakage 0 | ＜1 negative ne-leakage ne-leakage＜5 |
*Draw from TB/T2611-94 " railway fast food lunch-box supply of material general technical specifications "
5. heatproof test
In 100 ℃ of boiling water the heating 10 minutes indeformable
Place under-20 ℃ of conditions 30 days indeformable
140 ℃ of heating of oil temperature 10 minutes are indeformable
Put into the heating of microwave furnace high-temperature
(throwaway chopsticks are put into cold water and boiled) is indeformable.
Advantage of the present invention: show that by above performance testing situation Disposable chopsticks of plant fiber of the present invention and food containers meet the standard of food hygiene product fully.Throwaway chopsticks of the present invention and food containers function admirable, goods are nontoxic, do not have and smell, oil resistant, water-fast, low temperature resistant-20 ℃ 30 days, can be used for heating in the micro-wave oven again.The plant fiber material that the production method of throwaway chopsticks of the present invention and food containers adopts, derive from waste crop materials, it is wide, cheap to originate, production technology is simple, and goods are highly polished, must not repair, and especially pass through a compression moulding of High Temperature High Pressure, played the sterilization effect, goods can directly be packed.Therefore, save labour power in the production process greatly, save the energy, thereby reduce production costs.Goods of the present invention can be recycled and make feed after using, if be discarded in the field, are the natural biology degraded after 30 days, and the infertile field fertile soil can not cause environmental pollution.When producing because of Disposable chopsticks of plant fiber of the present invention again equipment there is not special requirement, therefore original employing timber is that the factory equipment flow process of raw material production disposable chopsticks can be transformed basically, promptly can change the line of production smoothly and produce Disposable chopsticks of plant fiber of the present invention.
The present invention is further elaborated by the following examples, but do not limit the scope of the invention.
Embodiment 1
Take by weighing the 20kg straw, clean, dry aqueous ingredients＜17%, disintegrating machine is ground into 40 purpose fine powders, 40kg ground rice, 1kg is ground into 80 purpose salt, 15kg urea formaldehyde model powder, 15kg melamino-formaldehyde molding powder, 4kg calcium carbonate and 5 kg of water are put into mould with blended stock after fully stirring and mixing, 100 ℃ of mold temperature controls, pressing pressure is 10Mpa, press time is that 20 seconds/mm is thick, uses the HP-100 type hydraulic machine, a compression moulding, make 3100 meal with little bowl, pack routinely.
Embodiment 2
Take by weighing the 30kg cornstalk, clean, dry aqueous ingredients＜17%, disintegrating machine is ground into 60 purpose fine powders, 30kg cornstarch, 3kg are ground into 60 purpose salt, 5kg urea formaldehyde molding powder, 15kg melamino-formaldehyde molding powder after 8kg calcium carbonate and 15kg water fully mix, is put into mould with blended stock, 150 ℃ of mold temperatures, pressing pressure are 20Mpa, and the press time, 30 seconds/mm was thick, use the HP-100 type hydraulic machine, a compression moulding makes 4500 bilinear chopsticks, routinely packing.
Embodiment 3
Take by weighing the 40kg wood chip, clean, dry aqueous ingredients＜17%, comminutor is ground into 80 purpose fine powders, 20kg sweet potato starch, 2kg are ground into 40 purpose salt, 10kg melamino-formaldehyde molding powder, 6kg calcium carbonate and 10kg water are put into mould with blended stock, 200 ℃ of mold temperatures after fully stirring and mixing, pressing pressure is 25Mpa, press time, 40 seconds/mm was thick, used the HP-100 type hydraulic machine, a compression moulding, make 1500 snack boxs, routinely packing.
Claims (7)
1. Disposable chopsticks of plant fiber and food containers is characterized in that described throwaway chopsticks and food containers are is raw material with following constituent, and the proportioning of each constituent is:
Constituent content (weight %)
Vegetable fibre 20-40
Starch 20-40
Salt 1-3
Amino resin 10-30
Calcium carbonate 4-8
Water 5-15.
2. Disposable chopsticks of plant fiber as claimed in claim 1 and food containers, it is characterized in that described vegetable fibre can be rice chaff, wheat straw, cornstalk, green grass, straw, melon seedling, branch, wood chip, bamboo branch.
3. Disposable chopsticks of plant fiber as claimed in claim 1 and food containers is characterized in that described vegetable fibre is ground into the fine powder of 40-80.
4. Disposable chopsticks of plant fiber as claimed in claim 1 and food containers is characterized in that described starch can be cornstarch, potato starch, sweet potato starch, wheat flour, ground rice.
5. Disposable chopsticks of plant fiber as claimed in claim 1 and food containers is characterized in that described amino resin is urea formaldehyde molding powder and/or melamino-formaldehyde molding powder.
6. Disposable chopsticks of plant fiber as claimed in claim 1 and food containers is characterized in that described salt is ground into 40-80 purpose fine powder.
7. the production method of Disposable chopsticks of plant fiber as claimed in claim 1 and food containers, what its step comprised vegetable fibre gives processing, batching, mold pressing and packing, the mold temperature that it is characterized in that described mold pressing step is 100-200 ℃, pressing pressure is 10-25Kpa, and the press time is 20-40 second/millimeters thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99113775A CN1081157C (en) | 1999-06-08 | 1999-06-08 | Disposable chopsticks and food containers made of plant fibres and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99113775A CN1081157C (en) | 1999-06-08 | 1999-06-08 | Disposable chopsticks and food containers made of plant fibres and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1236725A true CN1236725A (en) | 1999-12-01 |
| CN1081157C CN1081157C (en) | 2002-03-20 |
Family
ID=5276927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99113775A Expired - Fee Related CN1081157C (en) | 1999-06-08 | 1999-06-08 | Disposable chopsticks and food containers made of plant fibres and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1081157C (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG90767A1 (en) * | 2001-01-03 | 2002-08-20 | Yang Kuo Chen | Method of making non-polluting products |
| WO2003002638A1 (en) * | 2001-06-06 | 2003-01-09 | G5 Manufacturing (Suzhou) Ltd. | A kind of biodegradable composite material as well as the process for making disposal products using the said material |
| CN1125848C (en) * | 2000-03-07 | 2003-10-29 | 苏笑海 | Full-degradable internal packing pad of plant starch for household electric appliances |
| CN100389943C (en) * | 2006-08-24 | 2008-05-28 | 刘正泉 | Plant fiber spool and its preparation method |
| CN101449910B (en) * | 2007-12-08 | 2010-11-24 | 侯玉栋 | Plant straw degradable disposable sanitary chopsticks and production method thereof |
| CN101700667B (en) * | 2009-11-23 | 2011-05-18 | 福建省世竹环保科技有限公司 | Bamboo fiber material |
| CN104207593A (en) * | 2014-09-19 | 2014-12-17 | 沈阳建筑大学 | Disposable convenient chopsticks and preparation method thereof |
| CN106084649A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the packing box of the rock high-end tea of the teas Big Dipper or tank method of manufacturing technology and product |
| CN106084862A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the packing box of the high-end tea of Cortex Cinnamomi or tank method of manufacturing technology and product |
| CN106084856A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the packing box of the rock teas high-end tea of height fir or tank method of manufacturing technology and product |
| CN106084858A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | A kind of Wuyi cliff tea packing box or the method for manufacturing technology of tank and product |
| CN106084865A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the single packing box from high-end tea of phoenix or tank method of manufacturing technology and product |
| CN106084863A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the packing box of the rock high-end tea of teas Fructus Citri Sarcodactylis or tank method of manufacturing technology and product |
| CN106084860A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For rock teas Cold boiled chicken crown height end packaging box for tea or tank method of manufacturing technology and product |
| CN106084859A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the rock teas high-end packaging box for tea of white winter daphne or tank method of manufacturing technology and product |
| CN106084864A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the rock high-end packaging box for tea of teas JINSUOSHI or tank method of manufacturing technology and product |
| CN106084866A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the rock teas high-end packaging box for tea of Huang kwan-yin or tank method of manufacturing technology and product |
| CN106189336A (en) * | 2016-07-26 | 2016-12-07 | 吴永鹏 | For the packing box of the rock high-end tea of teas Osmanthus tragranscv.Aurantiacu or tank method of manufacturing technology and product |
| CN106189333A (en) * | 2016-07-26 | 2016-12-07 | 李韵奇 | For the rock high-end packaging box for tea of teas Autumn Gold or tank method of manufacturing technology and product |
| CN106182875A (en) * | 2016-07-26 | 2016-12-07 | 李韵奇 | For the packing box of the high-end tea of narcissus or tank method of manufacturing technology and product |
| CN106189337A (en) * | 2016-07-26 | 2016-12-07 | 吴永鹏 | For the packing box of the most blue high-end tea of rock teas or tank method of manufacturing technology and product |
| CN106221269A (en) * | 2016-07-26 | 2016-12-14 | 吴永鹏 | For the packing box of the rock teas high-end tea of Huang denier or tank method of manufacturing technology and product |
| CN106221271A (en) * | 2016-07-26 | 2016-12-14 | 吴永鹏 | The packing box of high-end tea or tank method of manufacturing technology and product is accounted for for rock teas prunus mume (sieb.) sieb.et zucc. |
| CN106221270A (en) * | 2016-07-26 | 2016-12-14 | 吴永鹏 | For the packing box of the rock teas high-end tea of hair monkey or tank method of manufacturing technology and product |
| CN107569042A (en) * | 2017-09-29 | 2018-01-12 | 朱文娟 | Bionic daily necessities |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1135443A (en) * | 1996-01-15 | 1996-11-13 | 安月永 | Dry technology for production of tableware and packing container of plant fiber |
| CN1174013A (en) * | 1997-08-28 | 1998-02-25 | 刘金鼎 | Disposable chopsticks of stalk and their production method and equipment |
-
1999
- 1999-06-08 CN CN99113775A patent/CN1081157C/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125848C (en) * | 2000-03-07 | 2003-10-29 | 苏笑海 | Full-degradable internal packing pad of plant starch for household electric appliances |
| SG90767A1 (en) * | 2001-01-03 | 2002-08-20 | Yang Kuo Chen | Method of making non-polluting products |
| WO2003002638A1 (en) * | 2001-06-06 | 2003-01-09 | G5 Manufacturing (Suzhou) Ltd. | A kind of biodegradable composite material as well as the process for making disposal products using the said material |
| CN100389943C (en) * | 2006-08-24 | 2008-05-28 | 刘正泉 | Plant fiber spool and its preparation method |
| CN101449910B (en) * | 2007-12-08 | 2010-11-24 | 侯玉栋 | Plant straw degradable disposable sanitary chopsticks and production method thereof |
| CN101700667B (en) * | 2009-11-23 | 2011-05-18 | 福建省世竹环保科技有限公司 | Bamboo fiber material |
| US8480851B2 (en) | 2009-11-23 | 2013-07-09 | Fujian Simzu Environment Science And Technology Co., Ltd. | Bamboo fiber material |
| CN104207593A (en) * | 2014-09-19 | 2014-12-17 | 沈阳建筑大学 | Disposable convenient chopsticks and preparation method thereof |
| CN104207593B (en) * | 2014-09-19 | 2016-06-22 | 沈阳建筑大学 | Disposable and convenient chopsticks and preparation method thereof |
| CN106084858A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | A kind of Wuyi cliff tea packing box or the method for manufacturing technology of tank and product |
| CN106084866A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the rock teas high-end packaging box for tea of Huang kwan-yin or tank method of manufacturing technology and product |
| CN106084856A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the packing box of the rock teas high-end tea of height fir or tank method of manufacturing technology and product |
| CN106084649A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the packing box of the rock high-end tea of the teas Big Dipper or tank method of manufacturing technology and product |
| CN106084865A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the single packing box from high-end tea of phoenix or tank method of manufacturing technology and product |
| CN106084863A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the packing box of the rock high-end tea of teas Fructus Citri Sarcodactylis or tank method of manufacturing technology and product |
| CN106084860A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For rock teas Cold boiled chicken crown height end packaging box for tea or tank method of manufacturing technology and product |
| CN106084859A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the rock teas high-end packaging box for tea of white winter daphne or tank method of manufacturing technology and product |
| CN106084864A (en) * | 2016-07-26 | 2016-11-09 | 吴永鹏 | For the rock high-end packaging box for tea of teas JINSUOSHI or tank method of manufacturing technology and product |
| CN106084862A (en) * | 2016-07-26 | 2016-11-09 | 李韵奇 | For the packing box of the high-end tea of Cortex Cinnamomi or tank method of manufacturing technology and product |
| CN106189336A (en) * | 2016-07-26 | 2016-12-07 | 吴永鹏 | For the packing box of the rock high-end tea of teas Osmanthus tragranscv.Aurantiacu or tank method of manufacturing technology and product |
| CN106189333A (en) * | 2016-07-26 | 2016-12-07 | 李韵奇 | For the rock high-end packaging box for tea of teas Autumn Gold or tank method of manufacturing technology and product |
| CN106182875A (en) * | 2016-07-26 | 2016-12-07 | 李韵奇 | For the packing box of the high-end tea of narcissus or tank method of manufacturing technology and product |
| CN106189337A (en) * | 2016-07-26 | 2016-12-07 | 吴永鹏 | For the packing box of the most blue high-end tea of rock teas or tank method of manufacturing technology and product |
| CN106221269A (en) * | 2016-07-26 | 2016-12-14 | 吴永鹏 | For the packing box of the rock teas high-end tea of Huang denier or tank method of manufacturing technology and product |
| CN106221271A (en) * | 2016-07-26 | 2016-12-14 | 吴永鹏 | The packing box of high-end tea or tank method of manufacturing technology and product is accounted for for rock teas prunus mume (sieb.) sieb.et zucc. |
| CN106221270A (en) * | 2016-07-26 | 2016-12-14 | 吴永鹏 | For the packing box of the rock teas high-end tea of hair monkey or tank method of manufacturing technology and product |
| CN107569042A (en) * | 2017-09-29 | 2018-01-12 | 朱文娟 | Bionic daily necessities |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1081157C (en) | 2002-03-20 |
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