AT372992B - Verfahren und vorrichtung zur behandlung von faserstoffsuspensionen - Google Patents

Verfahren und vorrichtung zur behandlung von faserstoffsuspensionen

Info

Publication number
AT372992B
AT372992B AT0386379A AT386379A AT372992B AT 372992 B AT372992 B AT 372992B AT 0386379 A AT0386379 A AT 0386379A AT 386379 A AT386379 A AT 386379A AT 372992 B AT372992 B AT 372992B
Authority
AT
Austria
Prior art keywords
treating fibrous
fibrous suspensions
suspensions
treating
fibrous
Prior art date
Application number
AT0386379A
Other languages
English (en)
Other versions
ATA386379A (de
Inventor
Johan Erik Dipl Ing Gullichsen
Original Assignee
Kamyr Ab
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 Kamyr Ab filed Critical Kamyr Ab
Priority to AT65483A priority Critical patent/AT385532B/de
Priority to AT65383A priority patent/AT384048B/de
Publication of ATA386379A publication Critical patent/ATA386379A/de
Application granted granted Critical
Publication of AT372992B publication Critical patent/AT372992B/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B01D29/115—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2722—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with ribs, ridges or grooves on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2723—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces the surfaces having a conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/023—Stationary screen-drums
    • D21D5/026—Stationary screen-drums with rotating cleaning foils
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • D21D5/22—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force in apparatus with a vertical axis
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/26—De-aeration of paper stock
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0018—Devices for dispensing fibres in a fluid
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/911—Axial flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/007—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal rotors, e.g. impeller, ventilator, fan, blower, pump

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Cyclones (AREA)
  • Centrifugal Separators (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
AT0386379A 1978-06-06 1979-05-28 Verfahren und vorrichtung zur behandlung von faserstoffsuspensionen AT372992B (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT65483A AT385532B (de) 1978-06-06 1983-02-24 Vorrichtung bzw. siebvorrichtung zur behandlung von faserstoffsuspensionen grosser dichte
AT65383A AT384048B (de) 1978-06-06 1983-02-24 Vorrichtung zur behandlung von faserstoffsuspensionen grosser dichte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI781789A FI62872C (fi) 1978-06-06 1978-06-06 Anordning foer silning av fibersuspensioner

Publications (2)

Publication Number Publication Date
ATA386379A ATA386379A (de) 1983-04-15
AT372992B true AT372992B (de) 1983-12-12

Family

ID=8511780

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0386379A AT372992B (de) 1978-06-06 1979-05-28 Verfahren und vorrichtung zur behandlung von faserstoffsuspensionen

Country Status (9)

Country Link
US (1) US4594152A (de)
JP (1) JPS5526283A (de)
AT (1) AT372992B (de)
BR (1) BR7903506A (de)
CA (1) CA1102604A (de)
DE (4) DE2954409C2 (de)
FI (1) FI62872C (de)
FR (1) FR2428105B1 (de)
SE (3) SE436652C (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT413656B (de) * 2004-07-21 2006-04-15 Lenzing Technik Gmbh & Cokg Verfahren zum mischen, vorrichtung hierzu und deren verwendung
DE102011012236A1 (de) * 2011-02-24 2012-08-30 Voith Patent Gmbh Stofflöser zum Zerkleinern und Suspendieren von Papierstoff
DE102018127914A1 (de) * 2018-11-08 2020-05-14 Voith Patent Gmbh Rotor für ein Heizaggregat
DE102021211856A1 (de) 2021-10-21 2023-04-27 W. Lange GmbH Engineering & Screening Components Stofflöser zum Erzeugen einer Stoffsuspension aus festen Partikeln und einem fließfähigen Medium

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE445052C (sv) * 1980-03-13 1987-11-09 Sunds Defibrator Sett och anordning for kontinuerlig inblandning av gas- och/eller vetskeformiga behandlingsmedel i en massasuspension
US4435193A (en) 1980-04-07 1984-03-06 Kamyr Ab Controlling operation of a centrifugal pump
US4410337A (en) * 1980-04-07 1983-10-18 A. Ahlstrom Osakeyhtio Method and an apparatus for separating a gas from a fibre suspension
FR2520632B1 (fr) * 1982-02-01 1988-05-13 Diffusion Materiels Pour Fluid Procede de filtration et microfiltration tangentielle sur surface filtrante de revolution et filtre pour sa mise en oeuvre
DE3211346A1 (de) * 1982-03-27 1983-09-29 Supraton F.J. Zucker GmbH, 4040 Neuss Verfahren und vorrichtung zum defibrillieren von faserstoffsuspensionen
US4543181A (en) * 1982-12-16 1985-09-24 Kamyr, Inc. Medium consistency flat disk pressure screen
JPS60226467A (ja) * 1984-04-20 1985-11-11 日本セメント株式会社 パ−ライト系左官用材料
US4577974A (en) * 1984-05-04 1986-03-25 Kamyr, Inc. Medium consistency mixer rotor and stator construction
FI75882C (fi) * 1985-07-18 1988-08-08 Kamyr Ab Anordning foer inblandning av kemikalier i fibersuspensioner.
DE3610940A1 (de) * 1986-03-04 1987-09-10 Escher Wyss Gmbh Hochtemperatur-hochkonsistenz-schnellbleiche
FI78131C (fi) * 1986-12-17 1993-11-15 Ahlstroem Oy Foerfarande foer uppvaermning eller avkylning av massor och vaermevaexlare foer utfoerande av foerfarandet
JPS63123697U (de) * 1987-01-30 1988-08-11
FI88536C (fi) * 1987-07-02 1995-05-24 Ahlstroem Oy Foerfarande och anordning foer pumpning av hoegkonsistent massa
US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
EP0298499B1 (de) * 1987-07-08 1994-03-16 A. Ahlstrom Corporation Verfahren und Vorrichtung zum Eindicken einer Faseraufschwemmung
SE461280B (sv) * 1988-06-06 1990-01-29 Kamyr Ab Behandling av ett fiberhaltigt material foere kokning till massa
FI82082C (fi) * 1989-03-29 1991-12-10 Ahlstroem Oy Foerfarande och anordning foer behandling av massa.
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
FI82495C (fi) * 1989-06-08 1991-03-11 Ahlstroem Oy Foerfarande och anordning foer separering av tunga foeroreningar fraon fibersuspensioner i samband med pumpning.
JP2509374B2 (ja) * 1990-07-23 1996-06-19 株式会社クボタ 粉粒体分級装置
SE468789B (sv) † 1991-09-05 1993-03-22 Sunds Defibrator Ind Ab Foerfarande och anordning foer inblandning av behandlingsmedium i en massasuspension
FI95821B (fi) * 1991-10-18 1995-12-15 Ahlstroem Oy Menetelmä ja laite kaasun sekoittamiseksi väliaineeseen sekä menetelmää soveltava valkaisuprosessi
US5298016A (en) * 1992-03-02 1994-03-29 Advanced Haemotechnologies Apparatus for separating plasma and other wastes from blood
US5263774A (en) * 1992-03-04 1993-11-23 Kamyr, Inc. Rotor for increasing mixing efficiency in a medium consistency mixer
FI93748B (fi) * 1992-06-08 1995-02-15 Ahlstroem Oy Tapa ja laitteisto kuitususpension käsittelemiseksi
EP0586747A1 (de) * 1992-09-10 1994-03-16 The Procter & Gamble Company Wärmetauschersystem mit Turbulator für Dispersion von Teilchen in Flüssigkeit
US5813758A (en) * 1993-12-10 1998-09-29 Ahlstrom Machinery Inc. Concentric ring fluidizing mixer
CA2158522C (en) * 1994-09-19 2001-04-10 Daniel R. Roll Mixer for mixing multi-phase fluids
DE19616623B4 (de) * 1996-04-25 2004-12-23 Der Grüne Punkt - Duales System Deutschland Ag Vorrichtung zur Trennung von zähelastischen Materialien wie Kunststoffen und von unter mechanischer Beanspruchung zerfasernden Stoffen wie Papier
US20040020866A1 (en) * 2002-07-22 2004-02-05 Xerox Corporation Liquid dispersion filtration and delivery apparatus and method
US6852219B2 (en) * 2002-07-22 2005-02-08 John M. Hammond Fluid separation and delivery apparatus and method
US7410574B2 (en) * 2004-03-03 2008-08-12 Patent Innovations Llc Magnetic particle filtration apparatus

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US2230647A (en) * 1938-07-09 1941-02-04 Nelson M Knight Pulp screening machine
FR951068A (fr) * 1946-06-06 1949-10-14 Price Brothers & Company Ltd Procédé et appareil pour le traitement des pâtes fibreuses
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US3009659A (en) * 1960-04-21 1961-11-21 Ed Jones Corp Refining apparatus
US3138336A (en) * 1960-07-13 1964-06-23 Lejeune Emile Pulping machine
US3363759A (en) * 1964-04-29 1968-01-16 Bird Machine Co Screening apparatus with rotary pulsing member
US3323733A (en) * 1964-08-28 1967-06-06 Fibers Unltd Inc Coaxial disc and cylindrical rotor refining apparatus
US3400820A (en) * 1965-03-30 1968-09-10 Bird Machine Co Screening apparatus with rotary pulsing member
DE1461021A1 (de) * 1965-10-12 1969-01-02 Ohe Ernst Von Der Dickstoff-Wirbel-Verfahren und Vorrichtung zum Aufbereiten von Roh- und Halbstoffen,insbesondere von Altpapier fuer die Herstellung von Papier,Pappen und aehnlichen Erzeugnissen
US3458038A (en) * 1966-06-02 1969-07-29 Ingersoll Rand Canada Screening apparatus
US3411721A (en) * 1966-09-02 1968-11-19 Ingersoll Rand Canada Refining and screening apparatus
US3427690A (en) * 1966-10-17 1969-02-18 Marie J Doyle Apparatus for working fibrous materials
DK123146B (da) * 1966-12-19 1972-05-23 H Larsen Apparat til indføring af et første fluidum i et andet.
US3586172A (en) * 1968-04-16 1971-06-22 Ingersoll Rand Canada Screening apparatus
US3499528A (en) * 1968-05-21 1970-03-10 Beloit Corp Pressurized knotter screen
US3585742A (en) * 1969-06-02 1971-06-22 Sybron Corp Control instrument housing
US3680696A (en) * 1970-03-23 1972-08-01 Bird Machine Co Screening
SE362458B (de) * 1972-04-21 1973-12-10 Ahlstroem Oy
SE385029B (sv) * 1973-11-23 1976-05-31 Ahlstroem Oy Sett att forma en kontinuerlig materialbana av fibrosa partiklar och anordning derfor
CH576820A5 (de) * 1974-04-16 1976-06-30 Escher Wyss Gmbh
DE2428588C2 (de) * 1974-06-14 1985-10-17 Fritz Lödige Vorrichtung zum Beleimen von Spänen
US4105543A (en) * 1974-08-09 1978-08-08 The Black Clawson Company Method for screening paper fiber stock
FI53995C (fi) 1974-12-02 1978-09-11 Sunds Ab Silanordning
SE389351B (sv) * 1975-03-14 1976-11-01 Kamyr Ab Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
DE2611885C3 (de) * 1976-03-20 1982-05-27 Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen Gerät zur Reinigung von Faserstoffsuspensionen
DE2611886C3 (de) * 1976-03-20 1981-09-03 Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen Gerät zum Sortieren und Entstippen von Fasersuspensionen
GB1590704A (en) * 1976-11-23 1981-06-10 Defibrator Ab Method end device for the continuous production of pulp from fibrous lignocellulosic materials
US4155841A (en) * 1977-03-22 1979-05-22 The Black Clawson Company High turbulence screen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT413656B (de) * 2004-07-21 2006-04-15 Lenzing Technik Gmbh & Cokg Verfahren zum mischen, vorrichtung hierzu und deren verwendung
DE102011012236A1 (de) * 2011-02-24 2012-08-30 Voith Patent Gmbh Stofflöser zum Zerkleinern und Suspendieren von Papierstoff
DE102018127914A1 (de) * 2018-11-08 2020-05-14 Voith Patent Gmbh Rotor für ein Heizaggregat
DE102021211856A1 (de) 2021-10-21 2023-04-27 W. Lange GmbH Engineering & Screening Components Stofflöser zum Erzeugen einer Stoffsuspension aus festen Partikeln und einem fließfähigen Medium
DE102021211856B4 (de) 2021-10-21 2024-05-08 W. Lange GmbH Engineering & Screening Components Stofflöser zum Erzeugen einer Stoffsuspension aus festen Partikeln und einem fließfähigen Medium

Also Published As

Publication number Publication date
DE2954539C2 (de) 1990-03-08
SE8404337D0 (sv) 1984-08-30
DE2954409C2 (de) 1988-07-21
FR2428105A1 (fr) 1980-01-04
FI62872C (fi) 1983-03-10
SE8404336D0 (sv) 1984-08-30
SE463033B (sv) 1990-10-01
SE436652B (sv) 1985-01-14
BR7903506A (pt) 1980-01-22
DE2920337A1 (de) 1979-12-20
FI781789A (fi) 1979-12-07
SE8404337L (sv) 1984-08-30
US4594152A (en) 1986-06-10
SE7904558L (sv) 1979-12-07
JPS5526283A (en) 1980-02-25
FR2428105B1 (fr) 1986-03-21
SE436652C (sv) 1986-05-26
SE463034B (sv) 1990-10-01
SE8404336L (sv) 1984-08-30
ATA386379A (de) 1983-04-15
CA1102604A (en) 1981-06-09
FI62872B (fi) 1982-11-30
DE2954408C2 (de) 1990-03-29
DE2920337C2 (de) 1988-09-08

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