GR1001008B - Σταλακτοφόρος σωλήνας με εσωτερικά επικολλημένους σταλάκτες και μέ?οδος κατασκευής του. - Google Patents
Σταλακτοφόρος σωλήνας με εσωτερικά επικολλημένους σταλάκτες και μέ?οδος κατασκευής του.Info
- Publication number
- GR1001008B GR1001008B GR900100727A GR900100727A GR1001008B GR 1001008 B GR1001008 B GR 1001008B GR 900100727 A GR900100727 A GR 900100727A GR 900100727 A GR900100727 A GR 900100727A GR 1001008 B GR1001008 B GR 1001008B
- Authority
- GR
- Greece
- Prior art keywords
- dripper
- pipe
- drippers
- entire length
- carry
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/026—Apparatus or processes for fitting the drippers to the hoses or the pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
- B29C48/155—Partial coating thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/157—Coating linked inserts, e.g. chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
- B29C65/028—Particular heating or welding methods not otherwise provided for making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
- B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
- B29C66/53241—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being tubular and said substantially annular single elements being of finite length relative to the infinite length of said tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Ο σταλακτοφόρος σωλήνας με εσωτερικά επικολλημένο σταλάκτη, χρησιμοποιείται για την άρδευση. Ο σωλήνας είναι πλαστικός και συνεχής, αλλά δεν έχει σταθερή διατομή σε όλο του το μήκος. Ο σταλάκτης μπορεί να είναι απλός, δηλαδή να φέρει μονο εσωτερικά μια μαιανδρική ή άλλης μορφής διαδρομή για την ρύθμιση της παροχής του, ή να είναι αυτορρυθμιζόμενος, για την εξασφάλιση σταθερης παροχής σε μια ορισμένη περιοχή πιέσεων νερού. Οι σταλάκτες εισάγονται ένας-ένας στο εσωτερικό του σωλήνα κατά την παραγωγή του και καλύπτονται εξ ολοκλήρου σχεδόν από το τοίχωμα του σωλήνα που διογκώνεται εμφανώς στο σημείο αυτό, συγκρατώντας σταθερά τον σταλάκτη στο εσωτερικό του. Η διατομή του σωλήνα είναι έτσι σε όλο το μήκος εντελώς ελεύθερη. Ο σταλάκτης μπορεί να φέρει και υπερυψωμένο ακροσωλήνιο εξόδου του νερού. ω
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR90100727 | 1990-10-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
GR900100727A GR900100727A (en) | 1992-09-25 |
GR1001008B true GR1001008B (el) | 1993-03-31 |
Family
ID=10940232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR900100727A GR1001008B (el) | 1990-10-03 | 1990-10-03 | Σταλακτοφόρος σωλήνας με εσωτερικά επικολλημένους σταλάκτες και μέ?οδος κατασκευής του. |
Country Status (6)
Country | Link |
---|---|
US (1) | US6039270A (el) |
EP (1) | EP0510135B1 (el) |
AU (1) | AU8738591A (el) |
GR (1) | GR1001008B (el) |
WO (1) | WO1992005689A1 (el) |
ZA (1) | ZA917913B (el) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL95972A (en) * | 1990-10-12 | 1993-03-15 | Naan Irrigation Systems | Method and apparatus for producing pipes for drip irrigation |
IL100126A (en) * | 1991-11-22 | 1994-11-28 | Hydromatic Ltd | Method and apparatus for making drip irrigation devices |
IL121967A (en) * | 1997-10-14 | 2001-06-14 | Hydro Plan Eng Ltd | Irrigation output unit |
GR980100147A (el) * | 1998-04-27 | 1999-12-31 | *�65tF fs@ K@*66 0� f9 | 6* θ θs@ 5@s s * f@ 5 @tf0@Ν υ # f@*0θs@st 9 tfuθυθ @s#9f0 |
EP0970602B1 (fr) * | 1998-07-08 | 2002-10-09 | APSwissTech S.A. | Procédé de fabrication d'un tuyau goutte-à-goutte et ligne de fabrication pour sa mise en oeuvre |
IT1305415B1 (it) * | 1998-08-20 | 2001-05-04 | Carmelo Giuffre | Procedimento ed impianto per la fabbricazione di tubi per irrigazionea goccia |
US20020104902A1 (en) | 2001-02-08 | 2002-08-08 | Eran Eckstein | Inline dripper with micro-tube connector |
AU2002303144A1 (en) * | 2001-03-16 | 2002-10-03 | The Toro Company | Drip irrigation emitter |
US6736337B2 (en) | 2002-02-08 | 2004-05-18 | The Toro Company | Pressure compensating drip irrigation hose |
US7887664B1 (en) | 2003-05-05 | 2011-02-15 | The Toro Company | Continuous molded emitter |
EP1541013A1 (fr) * | 2003-12-12 | 2005-06-15 | The Thomas Machines SA | Procédé de fabrication de tuyaux d'irrigation goutte-à-goutte |
EP1541014B1 (fr) * | 2003-12-12 | 2010-02-24 | The Thomas Machines SA | Procede de fabrication de tuyaux d'irrigation goutte-a-goutte |
US7588201B2 (en) * | 2004-03-02 | 2009-09-15 | Netafim Ltd | Irrigation pipe |
US8672240B2 (en) | 2004-03-02 | 2014-03-18 | Netafim, Ltd. | Irrigation pipe |
US7270280B2 (en) * | 2004-06-21 | 2007-09-18 | Netafim Ltd. | Disc shape dripper |
US20050284966A1 (en) * | 2004-06-23 | 2005-12-29 | Defrank Michael | Emitter |
US20060186228A1 (en) * | 2005-02-23 | 2006-08-24 | Belford James W | Irrigation dripper and pipe |
US8302887B2 (en) * | 2005-03-31 | 2012-11-06 | Rain Bird Corporation | Drip emitter |
US8469294B2 (en) * | 2006-01-30 | 2013-06-25 | The Toro Company | Continuous molded emitter |
ES2318663T5 (es) † | 2006-02-10 | 2012-12-28 | The Machines Yvonand Sa | Instalación y procedimiento de fabricación de tubos de irrigación gota a gota |
US7648085B2 (en) | 2006-02-22 | 2010-01-19 | Rain Bird Corporation | Drip emitter |
US8628032B2 (en) | 2008-12-31 | 2014-01-14 | Rain Bird Corporation | Low flow irrigation emitter |
GR20100100517A (el) * | 2010-09-20 | 2012-04-30 | Αριστειδης Εμμανουηλ Δερμιτζακης | Σταλακτης και μεθοδος διανοιξης οπων εξοδου του νερου |
GR20110100149A (el) | 2011-03-10 | 2012-09-15 | Εμμανουηλ Αριστειδη Δερμιτζακης | Βαση πλευρικων συνδεσμων ληψης νερου απο αρδευτικο αγωγο |
US8511586B2 (en) | 2011-04-20 | 2013-08-20 | Deere & Company | Disc shaped regulated drip irrigation emitter |
US10440903B2 (en) | 2012-03-26 | 2019-10-15 | Rain Bird Corporation | Drip line emitter and methods relating to same |
US9877440B2 (en) | 2012-03-26 | 2018-01-30 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
US9485923B2 (en) | 2012-03-26 | 2016-11-08 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
US20130248622A1 (en) | 2012-03-26 | 2013-09-26 | Jae Yung Kim | Drip line and emitter and methods relating to same |
CH706446A1 (fr) * | 2012-04-27 | 2013-10-31 | Maillefer Sa | Machine et procédé de fabrication par extrusion de tuyaux d'irrigation. |
CN102671782B (zh) * | 2012-05-17 | 2014-08-27 | 上海茵能节能环保科技有限公司 | 内镶式反滤防堵灌水器及滴灌管道 |
US9872444B2 (en) | 2013-03-15 | 2018-01-23 | Rain Bird Corporation | Drip emitter |
US9949448B2 (en) | 2015-01-14 | 2018-04-24 | Amirim Products Development & Patents Ltd. | Modular in line button drip emitter system |
US9462760B2 (en) | 2013-07-09 | 2016-10-11 | Amirim Products Development & Patents Ltd. | In line button drip emitter |
US10869434B2 (en) | 2013-07-09 | 2020-12-22 | Amirim Products Development & Patents Ltd. | Elliptical in line button dripper with extended bonding zones |
US10631473B2 (en) | 2013-08-12 | 2020-04-28 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
US10285342B2 (en) | 2013-08-12 | 2019-05-14 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
USD811179S1 (en) | 2013-08-12 | 2018-02-27 | Rain Bird Corporation | Emitter part |
US9883640B2 (en) | 2013-10-22 | 2018-02-06 | Rain Bird Corporation | Methods and apparatus for transporting elastomeric emitters and/or manufacturing drip lines |
US9561393B2 (en) * | 2014-05-16 | 2017-02-07 | Stephen D. Shoap | Fluid hose apparatus with integrated nozzle and related systems and methods |
US10330559B2 (en) | 2014-09-11 | 2019-06-25 | Rain Bird Corporation | Methods and apparatus for checking emitter bonds in an irrigation drip line |
GR20140100517A (el) | 2014-10-13 | 2016-06-01 | Εμμανουηλ Αριστειδη Δερμιτζακης | Υβριδικος διανεμητης και μεθοδος ενσωματωσης σταλακτων και εξαρτηματων σε αρδευτικο αγωγο |
PT3383167T (pt) | 2015-12-03 | 2021-01-05 | Netafim Ltd | Emissor de gotas |
US10299444B2 (en) | 2016-04-07 | 2019-05-28 | Amir Cohen | In line button drip emitter |
US10375904B2 (en) | 2016-07-18 | 2019-08-13 | Rain Bird Corporation | Emitter locating system and related methods |
US11051466B2 (en) | 2017-01-27 | 2021-07-06 | Rain Bird Corporation | Pressure compensation members, emitters, drip line and methods relating to same |
US10626998B2 (en) | 2017-05-15 | 2020-04-21 | Rain Bird Corporation | Drip emitter with check valve |
USD883048S1 (en) | 2017-12-12 | 2020-05-05 | Rain Bird Corporation | Emitter part |
US11985924B2 (en) | 2018-06-11 | 2024-05-21 | Rain Bird Corporation | Emitter outlet, emitter, drip line and methods relating to same |
US11203023B2 (en) | 2019-12-20 | 2021-12-21 | Stephen D. Shoap | Modular fluid spray nozzles and related systems and methods |
US20220217927A1 (en) * | 2021-01-10 | 2022-07-14 | Israel Ruttenberg | Irrigation device emitters with rubber o-ring flow regulators |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB484446A (en) * | 1937-09-11 | 1938-05-05 | Dixon & Son Ltd S | Improvements in or relating to baths |
BE794884A (fr) * | 1972-02-17 | 1973-05-29 | Bas Rhone Languedoc Amenagemen | Dispositif d'arrosage de cultures en containers |
JPS5146530B2 (el) * | 1972-08-31 | 1976-12-09 | ||
US3917169A (en) * | 1974-04-01 | 1975-11-04 | Harmony Emitter Company Inc | Emitter for irrigation systems |
AU484446B2 (en) * | 1974-11-20 | 1976-05-20 | Sahagun-Barragan Jaime | Dripping irrigation tubing |
FR2395915A1 (fr) * | 1977-06-30 | 1979-01-26 | Celtite Sa | Enveloppe tubulaire multiple et son procede de fabrication |
IL67824A (en) * | 1977-11-24 | 1985-08-30 | Hydro Plan Eng Ltd | Irrigation drip emitter unit |
IL57986A (en) * | 1979-08-06 | 1982-11-30 | Hydro Plan Eng Ltd | Irrigation emitter unit |
ES483222A1 (es) * | 1979-08-07 | 1980-04-16 | Neoplast Ind | Procedimiento para la obtencion de tuberias para riego por goteo |
IL58176A0 (en) * | 1979-09-04 | 1979-12-30 | Bron Dan | A self-regulating nozzle for a liquid supply line |
IL75336A (en) * | 1985-05-29 | 1992-07-15 | Plastro Gvat | Method for producing a drip irrigation line and an emitter therefor |
US4817875A (en) * | 1987-09-21 | 1989-04-04 | David Karmeli | Flexible pipe for trickle irrigation |
US5324371A (en) * | 1988-05-30 | 1994-06-28 | Hydro-Plan Engineering Ltd. | Process for producing a drip irrigation conduit |
IL86549A (en) * | 1988-05-30 | 1991-04-15 | Hydro Plan Eng Ltd | Process and installation for producing a drip irrigation conduit |
IL100126A (en) * | 1991-11-22 | 1994-11-28 | Hydromatic Ltd | Method and apparatus for making drip irrigation devices |
US5324379A (en) * | 1993-01-27 | 1994-06-28 | Drip Irrigation Systems, Ltd. | Method and apparatus for producing drip irrigation conduit |
-
1990
- 1990-10-03 GR GR900100727A patent/GR1001008B/el unknown
-
1991
- 1991-10-02 AU AU87385/91A patent/AU8738591A/en not_active Abandoned
- 1991-10-02 EP EP91918289A patent/EP0510135B1/de not_active Expired - Lifetime
- 1991-10-02 WO PCT/GR1991/000012 patent/WO1992005689A1/de active IP Right Grant
- 1991-10-03 ZA ZA917913A patent/ZA917913B/xx unknown
-
1997
- 1997-10-10 US US08/949,113 patent/US6039270A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU8738591A (en) | 1992-04-28 |
EP0510135A1 (de) | 1992-10-28 |
US6039270A (en) | 2000-03-21 |
ZA917913B (en) | 1993-03-31 |
WO1992005689A1 (de) | 1992-04-16 |
EP0510135B1 (de) | 1999-07-28 |
GR900100727A (en) | 1992-09-25 |
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