DE69029307D1 - Gegenstromentwässerung durch Hohlfaser - Google Patents

Gegenstromentwässerung durch Hohlfaser

Info

Publication number
DE69029307D1
DE69029307D1 DE69029307T DE69029307T DE69029307D1 DE 69029307 D1 DE69029307 D1 DE 69029307D1 DE 69029307 T DE69029307 T DE 69029307T DE 69029307 T DE69029307 T DE 69029307T DE 69029307 D1 DE69029307 D1 DE 69029307D1
Authority
DE
Germany
Prior art keywords
countercurrent
drainage
hollow fibers
fibers
hollow
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 - Fee Related
Application number
DE69029307T
Other languages
English (en)
Other versions
DE69029307T2 (de
Inventor
Dwayne T Friesen
Roderick J Ray
David D Newbold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bend Research Inc
Original Assignee
Bend Research Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bend Research Inc filed Critical Bend Research Inc
Application granted granted Critical
Publication of DE69029307D1 publication Critical patent/DE69029307D1/de
Publication of DE69029307T2 publication Critical patent/DE69029307T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/268—Drying gases or vapours by diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/031—Two or more types of hollow fibres within one bundle or within one potting or tube-sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2319/00—Membrane assemblies within one housing
    • B01D2319/04—Elements in parallel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Drying Of Gases (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Multicomponent Fibers (AREA)
DE69029307T 1989-09-19 1990-07-16 Gegenstromentwässerung durch Hohlfaser Expired - Fee Related DE69029307T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/409,428 US5002590A (en) 1989-09-19 1989-09-19 Countercurrent dehydration by hollow fibers

Publications (2)

Publication Number Publication Date
DE69029307D1 true DE69029307D1 (de) 1997-01-16
DE69029307T2 DE69029307T2 (de) 1997-04-10

Family

ID=23620451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029307T Expired - Fee Related DE69029307T2 (de) 1989-09-19 1990-07-16 Gegenstromentwässerung durch Hohlfaser

Country Status (5)

Country Link
US (1) US5002590A (de)
EP (1) EP0419007B1 (de)
JP (2) JPH03118824A (de)
CA (1) CA2021133C (de)
DE (1) DE69029307T2 (de)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108464A (en) * 1989-09-19 1992-04-28 Bend Research, Inc. Countercurrent dehydration by hollow fibers
DE59008610D1 (de) * 1989-12-23 1995-04-06 Hoechst Ag Verbundmembran, verfahren zu ihrer herstellung und ihre verwendung.
US5084073A (en) * 1990-10-11 1992-01-28 Union Carbide Industrial Gases Technology Corporation Membrane drying process and system
US5236474A (en) * 1991-09-13 1993-08-17 Bend Research, Inc. Membrane-based removal of condensable vapors
SE502780C2 (sv) * 1991-09-25 1996-01-08 Siemens Elema Ab Avfuktningsanordning
US5226932A (en) * 1991-10-07 1993-07-13 Praxair Technology, Inc. Enhanced meambrane gas separations
US5160514A (en) * 1991-12-12 1992-11-03 Bend Research, Inc. Sweep valve for dehydration valve
US5259869A (en) * 1992-05-06 1993-11-09 Permea, Inc. Use of membrane separation to dry gas streams containing water vapor
US5368786A (en) * 1992-09-30 1994-11-29 Wisconsin Alumni Research Foundation Apparatus and methods for humidity control
AU5914994A (en) * 1993-04-21 1994-10-27 Bend Research, Inc. Plasma polymerization and surface modification inside hollow micro-substrates
US5364454A (en) * 1993-06-30 1994-11-15 Praxair Technology, Inc. Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form
US5356459A (en) * 1993-06-30 1994-10-18 Praxair Technology, Inc. Production and use of improved composite fluid separation membranes
US5348569A (en) * 1993-06-30 1994-09-20 Praxair Technology, Inc. Modified poly(phenylene oxide) based membranes for enhanced fluid separation
US5383956A (en) * 1993-10-12 1995-01-24 Praxair Technology, Inc. Start-up and shut down processes for membrane systems and membrane systems useful for the same
US5401300A (en) * 1993-10-25 1995-03-28 Membrane Technology And Research, Inc. Sour gas treatment process including dehydration of the gas stream
US5411662A (en) * 1994-02-25 1995-05-02 Praxair Technology, Inc. Fluid separation assembly having an purge control valve
CA2158236A1 (en) * 1994-09-14 1996-03-15 Dwayne T. Friesen Organic and inorganic vapor permeation by countercurrent condensable sweep
IL111162A (en) * 1994-10-04 1998-01-04 Irad Technologies Ltd Filtering device utilizable with gas monitors
US5525143A (en) * 1994-10-17 1996-06-11 Air Products And Chemicals, Inc. Hollow fiber membrane dryer with internal sweep
US5632805A (en) * 1995-06-05 1997-05-27 Newport News Shipbuilding And Dry Dock Company Semipermeable membrane dryer for air compressor system
US5753008A (en) * 1995-07-12 1998-05-19 Bend Research, Inc. Solvent resistant hollow fiber vapor permeation membranes and modules
US5575835A (en) * 1995-08-11 1996-11-19 W. L. Gore & Associates, Inc. Apparatus for removing moisture from an environment
GB2308988A (en) * 1996-01-12 1997-07-16 Neils Richard Stewart Hansen Sample conditioning flue gas probe
US5964923A (en) * 1996-02-29 1999-10-12 Membrane Technology And Research, Inc. Natural gas treatment train
US5993515A (en) * 1996-05-14 1999-11-30 New Jersey Institute Of Technology Apparatus and process for selectively removing a component from a multicomponent aqueous solution by pervaporation
US5753009A (en) * 1996-05-14 1998-05-19 New Jersey Institute Of Technology Method and apparatus for selectively removing a component from a multicomponent gas/vapor mixture
IL121538A (en) * 1996-08-14 1999-12-31 Bend Res Inc Process for the removal of vapor
US6059857A (en) * 1996-08-14 2000-05-09 Bend Research, Inc. Ultrapurification of organic solvents
DE19800562A1 (de) 1997-01-13 1998-07-16 Eberhard Prof Dr Med Stennert Druckausgleichsvorrichtung als prothetischer Ersatz für eine Eustachische Röhre
US8527026B2 (en) 1997-03-04 2013-09-03 Dexcom, Inc. Device and method for determining analyte levels
US6001067A (en) 1997-03-04 1999-12-14 Shults; Mark C. Device and method for determining analyte levels
DE19722731A1 (de) * 1997-04-10 1998-10-15 Beko Kondensat Technik Gmbh Trocknungsvorrichtung für Druckluft
DE19739144C2 (de) * 1997-09-06 2002-04-18 Geesthacht Gkss Forschung Vorrichtung zur Entfernung von Wasserdampf aus unter Druck befindlichen Gasen oder Gasgemischen
DE19804682A1 (de) * 1998-02-06 1999-08-12 Peter Weisshaar Gmbh Ing Vorrichtung zur Durchführung eines kombinierten Kälte-/Membranabsorptionsverfahrens zur Trocknung von Luft und technischen Gasen
US6042634A (en) * 1998-04-22 2000-03-28 Bacharach, Inc. Moisture extractor system for gas sampling
JP2000179963A (ja) * 1998-12-16 2000-06-30 Daikin Ind Ltd 空気調和装置
JP3876561B2 (ja) * 1999-03-15 2007-01-31 宇部興産株式会社 ガス分離膜モジュールおよびガス分離方法
CA2390474C (en) * 1999-11-12 2009-12-29 Porous Media Corporation Compressed gas systems utilizing a variable pressure membrane air drier, and method of operation thereof
US6739142B2 (en) 2000-12-04 2004-05-25 Amos Korin Membrane desiccation heat pump
US6539728B2 (en) 2000-12-04 2003-04-01 Amos Korin Hybrid heat pump
WO2002045822A1 (en) * 2000-12-08 2002-06-13 Porous Media Corporation Membrane air dryer with integral diffuser and method or manufacture thereof
US6517607B2 (en) 2001-06-04 2003-02-11 Gas Technology Institute Method and apparatus for selective removal of a condensable component from a process stream with latent heat recovery
US20030032874A1 (en) 2001-07-27 2003-02-13 Dexcom, Inc. Sensor head for use with implantable devices
US7613491B2 (en) 2002-05-22 2009-11-03 Dexcom, Inc. Silicone based membranes for use in implantable glucose sensors
US8364229B2 (en) 2003-07-25 2013-01-29 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
US7226978B2 (en) 2002-05-22 2007-06-05 Dexcom, Inc. Techniques to improve polyurethane membranes for implantable glucose sensors
US6764529B2 (en) 2002-07-01 2004-07-20 Bendix Commercial Vehicle Systems Llc Membrane gas dehydrating apparatus for gas controlled and powered systems
US6881245B2 (en) * 2002-10-18 2005-04-19 Bendix Commercial Vehicle Systems Llc Membrane air dryer and method of mounting a membrane dryer to a vehicle
US6923845B2 (en) * 2002-10-18 2005-08-02 Bendix Commercial Vehicle Systems Llc Membrane air dryer for vehicle air brake system
US9763609B2 (en) 2003-07-25 2017-09-19 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
JP4708342B2 (ja) 2003-07-25 2011-06-22 デックスコム・インコーポレーテッド 埋設可能な装置に用いる酸素増大膜システム
US7294174B2 (en) * 2003-08-13 2007-11-13 Generon Igs, Inc. Air dehydration membrane
US7920906B2 (en) 2005-03-10 2011-04-05 Dexcom, Inc. System and methods for processing analyte sensor data for sensor calibration
US20050090607A1 (en) * 2003-10-28 2005-04-28 Dexcom, Inc. Silicone composition for biocompatible membrane
US9247900B2 (en) 2004-07-13 2016-02-02 Dexcom, Inc. Analyte sensor
WO2005056092A1 (ja) * 2003-12-15 2005-06-23 Teijin Pharma Limited 加湿装置および酸素濃縮システム
US8277713B2 (en) 2004-05-03 2012-10-02 Dexcom, Inc. Implantable analyte sensor
US20060020192A1 (en) 2004-07-13 2006-01-26 Dexcom, Inc. Transcutaneous analyte sensor
WO2006127694A2 (en) 2004-07-13 2006-11-30 Dexcom, Inc. Analyte sensor
JP2008535648A (ja) * 2005-03-09 2008-09-04 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア ナノ複合膜ならびにそれを作製および使用する方法
US8744546B2 (en) 2005-05-05 2014-06-03 Dexcom, Inc. Cellulosic-based resistance domain for an analyte sensor
WO2007120381A2 (en) 2006-04-14 2007-10-25 Dexcom, Inc. Analyte sensor
ATE416526T1 (de) * 2006-08-25 2008-12-15 Alcatel Lucent Digitalsignalempfänger mit q-faktorüberwachung
AU2007317516B2 (en) * 2006-10-27 2013-04-04 The Regents Of The University Of California Micro-and nanocomposite support structures for reverse osmosis thin film membranes
US20200037875A1 (en) 2007-05-18 2020-02-06 Dexcom, Inc. Analyte sensors having a signal-to-noise ratio substantially unaffected by non-constant noise
WO2009039467A1 (en) * 2007-09-21 2009-03-26 The Regents Of The University Of California Nanocomposite membranes and methods of making and using same
JP2009226397A (ja) * 2008-02-27 2009-10-08 Toray Ind Inc 加湿用中空糸膜および加湿用膜モジュール
US11730407B2 (en) 2008-03-28 2023-08-22 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8682408B2 (en) 2008-03-28 2014-03-25 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8583204B2 (en) 2008-03-28 2013-11-12 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8567612B2 (en) * 2008-04-15 2013-10-29 Nanoh2O, Inc. Hybrid TFC RO membranes with nitrogen additives
US8177978B2 (en) * 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
EP2326944B1 (de) 2008-09-19 2020-08-19 Dexcom, Inc. Partikelhaltige membran und partikelelektrode für analytsensoren
DE102009017840A1 (de) 2009-04-17 2010-10-28 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Kondensation von Wasser
CN102458625A (zh) * 2009-05-18 2012-05-16 迪博因特技术公司 用于全热交换和其它应用的涂层膜
MY162753A (en) * 2010-03-05 2017-07-14 Nx Filtration Holding B V Hollow fibre membrane
JP5968328B2 (ja) 2010-11-10 2016-08-10 ナノエイチツーオー・インコーポレーテッド 非金属添加剤を含む改良された混成ｔｆｃｒｏ膜
WO2012091070A1 (ja) * 2010-12-27 2012-07-05 旭化成ケミカルズ株式会社 吸着分離膜モジュール、吸着分離膜モジュールの製造方法、及び仕切部材
WO2012151429A1 (en) * 2011-05-03 2012-11-08 University Of Mississippi Dehumidification, dehydration, or drying of uncompressed gases using water selective membranes and a portion of the retentate as a vacuum permeate sweep
JP5835937B2 (ja) * 2011-05-09 2015-12-24 日立造船株式会社 Ｃｏ２のゼオライト膜分離回収システム
US20140150287A1 (en) * 2011-07-14 2014-06-05 Dow Corning Corporation Method of drying material by membrane dehumidified air
WO2013162612A1 (en) * 2012-04-27 2013-10-31 Draeger Medical Systems, Inc. Breathing circuit humidification system
JP2014024025A (ja) * 2012-07-27 2014-02-06 Ube Ind Ltd 除湿システムおよび乾燥空気の製造方法
CN104661726B (zh) 2012-09-26 2017-08-08 道康宁公司 使用与有机硅流体接触的至少一个膜分离气体的方法
KR102098641B1 (ko) * 2015-06-22 2020-04-08 코오롱인더스트리 주식회사 중공사막 모듈
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10155203B2 (en) 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents
SK288817B6 (sk) 2016-06-17 2021-01-13 Ekom Spol. S R.O. Sušič stlačeného vzduchu s prídavným oplachom a jeho zapojenie do pneumatického systému
US10969124B2 (en) * 2018-09-13 2021-04-06 University Of Mississippi Vacuum sweep dehumidification system
CN109529562A (zh) * 2018-12-30 2019-03-29 广州超级龙节能科技有限公司 基于渗透蒸发的压缩空气干燥器
JP7475186B2 (ja) * 2020-04-14 2024-04-26 Nok株式会社 ポリスルホン系中空糸膜および中空糸膜モジュール
CN112808036A (zh) * 2020-12-30 2021-05-18 中国科学院过程工程研究所 一种气体除湿膜及其制备方法和应用

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511031A (en) * 1968-03-19 1970-05-12 Little Inc A Apparatus for removing water vapor from gases
US3735559A (en) * 1972-02-02 1973-05-29 Gen Electric Sulfonated polyxylylene oxide as a permselective membrane for water vapor transport
US4230463A (en) * 1977-09-13 1980-10-28 Monsanto Company Multicomponent membranes for gas separations
JPS53145343A (en) * 1977-05-25 1978-12-18 Teijin Ltd Method of dehumidifying air
JPS546345A (en) * 1977-06-17 1979-01-18 Teijin Ltd Moisture-proof method
US4214020A (en) * 1977-11-17 1980-07-22 Monsanto Company Processes for coating bundles of hollow fiber membranes
JPS54152679A (en) * 1978-05-23 1979-12-01 Asahi Chem Ind Co Ltd Steam separating method from steam mixed gas
US4276249A (en) * 1979-09-26 1981-06-30 Monsanto Company Processes for sealing hollow fiber membranes arranged in the form of a bundle
FR2540396B1 (fr) * 1983-02-04 1988-09-23 Petroles Cie Francaise Procede de deshydratation de gaz
JPS59154106A (ja) * 1983-02-23 1984-09-03 Toshinobu Higashimura 気体分離膜
JPS59160506A (ja) * 1983-02-28 1984-09-11 Kuraray Co Ltd 複合中空糸分離膜およびその製造法
US4568579A (en) * 1983-11-03 1986-02-04 Owens-Illinois, Inc. Asymmetrical layered structures of polyalkylene sulfone resins
US4666644A (en) * 1983-11-03 1987-05-19 Owens-Illinois, Inc. Method of making asymmetrical layered structures from polyalkylene sulfone resins
JPS6099328A (ja) * 1983-11-04 1985-06-03 Toyota Central Res & Dev Lab Inc 凝縮性ガス分離装置
JPS60183025A (ja) * 1984-03-02 1985-09-18 Mitsubishi Chem Ind Ltd 水蒸気分離法
JPS60244307A (ja) * 1984-05-18 1985-12-04 Nitto Electric Ind Co Ltd 流体分離装置
DE3650465T2 (de) * 1985-02-09 1996-09-12 Asahi Chemical Ind Durchlässige Polymer-Membran für die Gastrocknung
US4725359A (en) * 1985-02-25 1988-02-16 Bend Research, Inc. Potable water from internal combustion engines
JPS61229830A (ja) * 1985-04-05 1986-10-14 Asahi Chem Ind Co Ltd アセチレンの精製方法
US4734106A (en) * 1985-05-08 1988-03-29 A/G Technology Corporation Gas separating
JPS6257630A (ja) * 1985-09-05 1987-03-13 Nippon Kokan Kk <Nkk> 向流式パ−ミエ−タ
US4687578A (en) * 1985-12-12 1987-08-18 Monsanto Company Fluid separation membranes
FR2593721B1 (fr) * 1986-02-05 1988-05-20 Rhone Poulenc Rech Fibre creuse composite pour enlever de la vapeur d'eau a de l'air ou a du gaz carbonique
JPS62241527A (ja) * 1986-04-14 1987-10-22 Daicel Chem Ind Ltd 空気の除湿方法
US4781733A (en) * 1986-07-23 1988-11-01 Bend Research, Inc. Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers
EP0263212B1 (de) * 1986-10-08 1990-12-27 Ube Industries, Ltd. Verfahren zur Entfernung von Wasserdampf aus einem wasserdampfhaltigen Gas
US4871461A (en) * 1987-01-22 1989-10-03 The General Director Of The Agency Of Industrial Science And Technology Polymer composite membrane
JPS63209731A (ja) * 1987-02-26 1988-08-31 Ube Ind Ltd 計装用及び空気駆動装置用加圧空気の製造法
JPS63236517A (ja) * 1987-03-24 1988-10-03 Ube Ind Ltd 混合ガスの除湿方法
US4758251A (en) * 1987-05-26 1988-07-19 Allied-Signal Inc. Separation of gases through gas enrichment membrane composites
JPS6470124A (en) * 1987-09-11 1989-03-15 Ube Industries Vapor-phase membrane separation
US4857081A (en) * 1987-10-15 1989-08-15 Separation Dynamics, Inc. Separation of water from hydrocarbons and halogenated hydrocarbons
US4871378A (en) * 1987-12-11 1989-10-03 Membrane Technology & Research, Inc. Ultrathin ethylcellulose/poly(4-methylpentene-1) permselective membranes
US4783201A (en) * 1987-12-28 1988-11-08 Rice Arthur W Gas dehydration membrane apparatus
US4793830A (en) * 1987-12-28 1988-12-27 Murphy Milton K Process for producing high quality gas for instrumentation application using gas separation membranes
JPH01194927A (ja) * 1988-01-27 1989-08-04 Japan Gore Tex Inc 水蒸気選択透過膜
US4863496A (en) * 1988-04-13 1989-09-05 E. I. Du Pont De Nemours And Co. Reactive posttreatment for gas separation membranes

Also Published As

Publication number Publication date
CA2021133A1 (en) 1991-03-20
JPH03118824A (ja) 1991-05-21
JP2607527Y2 (ja) 2001-11-12
CA2021133C (en) 2000-09-19
DE69029307T2 (de) 1997-04-10
EP0419007A1 (de) 1991-03-27
US5002590A (en) 1991-03-26
JP2000000017U (ja) 2000-02-18
EP0419007B1 (de) 1996-12-04

Similar Documents

Publication Publication Date Title
DE69029307D1 (de) Gegenstromentwässerung durch Hohlfaser
DK0409348T3 (da) Dræningskoblingselement
IT1231758B (it) Fluoropolieteri funzionalizzati
FR2645628B1 (fr) Aerateur
DE69022758D1 (de) Photonisches Nahbereich/Metropolitan-Netzwerk.
FI903226A0 (fi) Ytbelagd optisk fiber.
DE69016624D1 (de) Hohlfaserbündelelement.
ATA14989A (de) Drehkreuz
DE69024334D1 (de) Bleichmittel
DK162903C (da) Forskallingsarrangement
IS3591A7 (is) Bréfagatari
ATA12589A (de) Drehkreuz
BR9000815A (pt) Estrutura de filtragem
DK0472759T3 (da) Hegn
IT9020479A0 (it) purificazione
DK278690D0 (da) Betonstoebeform
KR910000831U (ko) 배수로용 집수조
DK166093C (da) Terraenbassin
DK286789D0 (da) Vandrensningsanlaeg
KR910004424U (ko) 배수로용 집수조
KR910004663U (ko) 제습기의 결합구조
TR23927A (tr) Gelistirilmis pdyester elyafi
KR910005919U (ko) 거푸집 받침철
MX161153A (es) Mejoras en filtro de fibras huecas
KR910009240U (ko) 텐트

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee