IN171108B - - Google Patents

Info

Publication number
IN171108B
IN171108B IN1028/DEL/87A IN1028DE1987A IN171108B IN 171108 B IN171108 B IN 171108B IN 1028DE1987 A IN1028DE1987 A IN 1028DE1987A IN 171108 B IN171108 B IN 171108B
Authority
IN
India
Prior art keywords
adapter
point
nose
laterally projecting
pin
Prior art date
Application number
IN1028/DEL/87A
Other languages
English (en)
Inventor
Robert Kent Emrich
Original Assignee
Esco Corp
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 Esco Corp filed Critical Esco Corp
Publication of IN171108B publication Critical patent/IN171108B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2833—Retaining means, e.g. pins
    • E02F9/2841—Retaining means, e.g. pins resilient

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Gears, Cams (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Forging (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Earth Drilling (AREA)
  • Table Equipment (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Shovels (AREA)
  • Glass Compositions (AREA)
  • Electroluminescent Light Sources (AREA)
  • Luminescent Compositions (AREA)
IN1028/DEL/87A 1986-12-04 1987-12-01 IN171108B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/937,982 US4761900A (en) 1986-12-04 1986-12-04 Excavating tooth assembly

Publications (1)

Publication Number Publication Date
IN171108B true IN171108B (pt) 1992-07-18

Family

ID=25470667

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1028/DEL/87A IN171108B (pt) 1986-12-04 1987-12-01

Country Status (22)

Country Link
US (4) US4761900A (pt)
EP (1) EP0270325B1 (pt)
JP (1) JPH0619150B2 (pt)
KR (1) KR970001728B1 (pt)
CN (1) CN2030215U (pt)
AT (1) ATE60637T1 (pt)
AU (1) AU587734B2 (pt)
BR (1) BR8706543A (pt)
DE (1) DE3767844D1 (pt)
DK (1) DK168092B1 (pt)
ES (1) ES2020282B3 (pt)
FI (1) FI88531C (pt)
GR (1) GR3001409T3 (pt)
IN (1) IN171108B (pt)
MX (1) MX167672B (pt)
NO (1) NO174398C (pt)
NZ (1) NZ222783A (pt)
PH (1) PH26932A (pt)
PT (1) PT86277B (pt)
SU (1) SU1641197A3 (pt)
TR (1) TR27127A (pt)
ZA (1) ZA879116B (pt)

Families Citing this family (131)

* Cited by examiner, † Cited by third party
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US6735890B2 (en) 2001-07-06 2004-05-18 Esco Corporation Wear assembly
US4761900A (en) * 1986-12-04 1988-08-09 Esco Corporation Excavating tooth assembly
SU1588866A1 (ru) * 1987-08-11 1990-08-30 Институт горного дела им.А.А.Скочинского Рабочий инструмент
JPH0692664B2 (ja) * 1989-07-25 1994-11-16 エスコ・コーポレーション 掘削歯の取換ポイント
US4949481A (en) * 1989-08-04 1990-08-21 Deere & Company Digging tooth assembly
US5018283A (en) * 1989-08-04 1991-05-28 Deere & Company Loader bucket tooth
AU605431B1 (en) * 1989-08-09 1991-01-10 Esco Corporation Excavating tooth
US5144762A (en) * 1990-04-16 1992-09-08 Gh Hensley Industries, Inc. Wear indicating and tooth stabilizing systems for excavating tooth and adapter assemblies
US5152088A (en) * 1990-09-10 1992-10-06 Esco Corporation Excavating tooth point and method of replacement
US5074062A (en) * 1990-09-10 1991-12-24 Esco Corporation Method of replacing a worn excavating tooth point
US5361520A (en) * 1991-12-16 1994-11-08 Gh Hensley Industries, Inc. Locking pin apparatus
US5491915A (en) * 1991-12-16 1996-02-20 Robinson; Howard W. Locking pin apparatus
US5233770A (en) * 1991-12-16 1993-08-10 Gh Hensley Industries, Inc. Locking pin apparatus
MX9207479A (es) * 1991-12-20 1993-07-01 Esco Corp Accesorios para cucharon de excavacion.
US5177886A (en) * 1992-03-16 1993-01-12 Caterpillar Inc. Tooth with clearances in socket
US5379535A (en) * 1992-11-30 1995-01-10 Mobile Pulley & Machine Works, Inc. Replaceable excavating tooth assembly
US5469648A (en) * 1993-02-02 1995-11-28 Esco Corporation Excavating tooth
FR2708973B1 (fr) * 1993-03-29 1995-10-27 Pasqualini Charles Dispositif et procédé de liaison entre des dents amovibles et des adapteurs formés aux extrémités d'outils et réceptacles en usage sur les engins de travaux publics.
US5272824A (en) * 1993-05-10 1993-12-28 Caterpillar Inc. Tooth assembly with leaf spring retainer
US5423138A (en) * 1994-04-04 1995-06-13 Caterpillar, Inc. Tip to adapter interface
US5502905A (en) * 1994-04-26 1996-04-02 Caterpillar Inc. Tooth having abrasion resistant material applied thereto
US5561925A (en) * 1995-07-25 1996-10-08 Caterpillar Inc. Tooth assembly and retaining mechanism
US5806216A (en) * 1995-09-29 1998-09-15 Caterpillar Inc. Base edge cover for a bucket and apparatus for retaining same
US5653048A (en) 1995-11-06 1997-08-05 Esco Corporation Wear assembly for a digging edge of an excavator
US5782019A (en) * 1995-11-29 1998-07-21 H & L Tooth Company High strength earth working tooth
US5709043A (en) * 1995-12-11 1998-01-20 Esco Corporation Excavating tooth
US5937550A (en) * 1995-12-11 1999-08-17 Esco Corporation Extensible lock
US5983534A (en) * 1997-09-17 1999-11-16 G. H. Hensley Industries, Inc. Rotary lock system for excavating tooth/adapter assembly
ES2146541B1 (es) * 1998-06-08 2001-04-01 Metalogenia Sa Dispositivo para el acoplamiento de dientes de excavadoras.
US6675509B2 (en) * 1998-06-15 2004-01-13 Robert S. Bierwith Excavating bucket with replaceable wedge-locked teeth
US6393738B1 (en) * 1998-06-15 2002-05-28 Robert S. Bierwith Excavating bucket with replaceable wedge-locked teeth
ES2146174B1 (es) 1998-07-03 2002-01-16 Metalogenia Sa Acoplamiento para dientes de excavadoras y similares.
US6047487A (en) * 1998-07-17 2000-04-11 H&L Tooth Co. Multipiece excavating tooth assembly
US6058631A (en) * 1998-07-21 2000-05-09 Crawford; Douglas Dean Trench cleaning apparatus
ES2146186B1 (es) * 1998-12-02 2001-04-01 Metalogenia Sa Perfeccionamientos en los elementos de anclaje y retencion destinados a maquinaria de obras publicas y similares.
US6374521B1 (en) 1999-04-05 2002-04-23 Trn Business Trust Apparatus and method for coupling an excavation tooth assembly
US6467203B2 (en) 1999-04-05 2002-10-22 Trn Business Trust Removable tooth assembly retention system and method
FR2792343B1 (fr) * 1999-04-19 2001-06-22 Charles Pasqualini Dispositif de liaison entre des pieces d'usure aux extremites d'outils et receptacles en usage sur les engins et materiels de travaux publics
ES2158805B1 (es) * 1999-10-01 2002-04-01 Metalogenia Sa Perfeccionamientos en los acoplamientos para dientes de maquinas para movimiento de tierras.
USD435567S (en) * 1999-10-21 2000-12-26 H&L Tooth Co. Digging tooth
US6993861B2 (en) * 2001-07-06 2006-02-07 Esco Corporation Coupling for excavating wear part
WO2003004782A2 (en) 2001-07-06 2003-01-16 Esco Corporation Coupling for excavating wear part
US6467204B1 (en) 2001-08-09 2002-10-22 Trn Business Trust Adapter assembly having multiple retainer pins
US6574892B2 (en) 2001-09-05 2003-06-10 Trn Business Trust Retainer pin having an internal secondary retainer pin
US6708431B2 (en) * 2001-12-03 2004-03-23 Hensley Industries, Inc. Excavating tooth assembly with rotatable connector pin structure
US6799387B2 (en) 2002-01-29 2004-10-05 Trn Business Trust Removable adapter assembly having a retractable insert
US6757995B2 (en) 2002-07-12 2004-07-06 Trn Business Trust System and method for coupling excavation equipment components
FR2846017B1 (fr) * 2002-10-17 2005-02-11 Afe Metal Dispositif de liaison d'accouplement entre des pieces d'usure aux extremites d'outils receptacles en usage sur les engins de travaux publics
US20040118021A1 (en) * 2002-12-23 2004-06-24 Renski Williams J. Longitudinal orientation of a retainer for a bucket tip
US7036249B2 (en) 2003-05-22 2006-05-02 Trn Business Trust Tooth adapter having an elastomeric clamp assembly and method for using same
US20050229442A1 (en) * 2004-03-30 2005-10-20 Esco Corporation Wear edge assembly
US7596895B2 (en) * 2004-03-30 2009-10-06 Esco Corporation Wear assembly
US7032334B2 (en) * 2004-05-28 2006-04-25 Trn Business Trust System and method for coupling excavation equipment components
US20060010725A1 (en) * 2004-07-14 2006-01-19 Jackson Michael J Excavating tooth and adapter
JP3839458B1 (ja) * 2005-07-29 2006-11-01 フェリック株式会社 自立可能な平板状物、その展示方法および製造方法
KR20070047114A (ko) * 2005-11-01 2007-05-04 주식회사 엘지화학 플렉서블 기판을 구비한 소자의 제조방법 및 이에 의해제조된 플렉서블 기판을 구비한 소자
DE202007019554U1 (de) * 2006-08-16 2013-07-23 Caterpillar Inc. Bodeneingriffswerkzeugsystem
CA2612341A1 (en) * 2007-11-27 2009-05-27 Black Cat Blades Ltd. Ground engaging tool blade
SE533207C2 (sv) * 2007-12-21 2010-07-20 Atlas Copco Rock Drills Ab Slitdel till en skopa för en last-eller grävmaskin,fästenhet där för jämte slitdelssystem, skopa och last-eller grävmaskin
CN101768992B (zh) * 2008-12-30 2011-12-21 宁波浙东精密铸造有限公司 挖掘齿组件、齿座及斗齿
US9359744B2 (en) * 2009-08-05 2016-06-07 H&L Tooth Company Multipiece wear assembly
AU2011207107B2 (en) 2010-01-20 2017-02-02 Bradken Resources Pty Limited Excavation tooth assembly
US9562347B2 (en) * 2010-08-04 2017-02-07 H&L Tooth Company Multipiece wear assembly
US9757730B2 (en) * 2011-07-06 2017-09-12 Joy Mm Delaware, Inc. Pick retainer
USD706840S1 (en) 2011-10-07 2014-06-10 Caterpillar, Inc. Tip for a ground engaging machine implement
USD706312S1 (en) 2011-10-07 2014-06-03 Caterpiller, Inc. Tip for a ground engaging machine implement
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USD727980S1 (en) 2014-04-08 2015-04-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD706307S1 (en) 2011-10-07 2014-06-03 Caterpillar, Inc. Adapter for a ground engaging machine implement
US9062436B2 (en) 2011-10-07 2015-06-23 Caterpillar Inc. Implement tooth assembly with tip and adapter
USD706839S1 (en) 2011-10-07 2014-06-10 Caterpillar, Inc. Tip for a ground engaging machine implement
USD707264S1 (en) 2011-10-07 2014-06-17 Caterpillar Inc. Adapter for a ground engaging machine implement
US8943717B2 (en) 2011-10-08 2015-02-03 Caterpillar Inc. Implement tooth assembly with tip and adapter
US9057177B2 (en) 2011-10-08 2015-06-16 Caterpillar Inc. Implement tooth assembly with tip and adapter
US8943716B2 (en) 2011-10-10 2015-02-03 Caterpillar Inc. Implement tooth assembly with tip and adapter
US9724701B2 (en) 2013-03-12 2017-08-08 Joy Mm Delaware, Inc. Tapered pick holder
AU2013204873B2 (en) * 2013-04-12 2016-04-28 Bradken Resources Pty Limited Excavation Tooth Assembly
AU2013204854B2 (en) * 2013-04-12 2016-04-21 Bradken Resources Pty Limited Excavation Tooth Assembly
AU2014268636B2 (en) * 2013-05-20 2017-11-30 CR Mining Equipment (USA) LLC Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment
US9441349B2 (en) * 2013-08-01 2016-09-13 Caterpillar Inc. Ground engaging tool assembly
USD728635S1 (en) 2013-08-01 2015-05-05 Caterpillar Inc. Coupler for a ground engaging machine implement
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USD728637S1 (en) 2013-08-01 2015-05-05 Caterpillar Inc. Tip for a ground engaging machine implement
US9404240B2 (en) 2013-11-07 2016-08-02 Caterpillar Inc. Bucket lip protection assemblies and lip adapters for same
WO2016141897A1 (zh) * 2015-03-12 2016-09-15 刘素华 实施连动导向密封插齿座插孔设主与侧往复齿方法及采掘机插孔设主与侧往复齿冲击装置
US9670648B2 (en) 2015-08-10 2017-06-06 Caterpillar Inc. Replaceable tip systems for a tine
USD775240S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD774108S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD775243S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD775242S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD774109S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD774110S1 (en) 2015-08-12 2016-12-13 Caterpillar Inc. Tip for a ground engaging machine implement
USD774565S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774567S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD775673S1 (en) 2015-08-12 2017-01-03 Caterpillar Inc. Tip for a ground engaging machine implement
USD775241S1 (en) 2015-08-12 2016-12-27 Caterpillar Inc. Tip for a ground engaging machine implement
USD774566S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
USD774564S1 (en) 2015-08-12 2016-12-20 Caterpillar Inc. Tip for a ground engaging machine implement
US10030368B2 (en) * 2015-10-06 2018-07-24 Hensley Industries, Inc. Excavating tooth assembly with locking pin assembly
NL2015785B1 (en) * 2015-11-13 2017-06-02 Ihc Holland Ie Bv Adapter system for cutting tooth.
US10106960B2 (en) * 2015-11-25 2018-10-23 Caterpillar Inc. Lock assembly for ground engaging tool
KR101689827B1 (ko) 2016-05-26 2016-12-26 박성훈 가변형 리어카
CA3025295C (en) * 2016-06-03 2023-10-24 H&L Tooth Company Multipiece wear assembly
WO2018017093A1 (en) * 2016-07-21 2018-01-25 Volvo Construction Equipment Ab Tooth assembly and method
US10494793B2 (en) 2016-12-15 2019-12-03 Caterpillar Inc. Implement tip assembly having tip with support rib
USD803898S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD806142S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD803901S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD840441S1 (en) 2016-12-15 2019-02-12 Caterpillar Inc. Adapter for a ground engaging machine implement
USD803897S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
US10480162B2 (en) * 2016-12-15 2019-11-19 Caterpillar Inc. Implement ground engaging tip assembly having tip with tapered retention channel
USD806139S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806758S1 (en) 2016-12-15 2018-01-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD803274S1 (en) 2016-12-15 2017-11-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD806140S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD806141S1 (en) 2016-12-15 2017-12-26 Caterpillar Inc. Adapter for a ground engaging machine implement
USD803902S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD805562S1 (en) 2016-12-15 2017-12-19 Caterpillar Inc. Adapter for a ground engaging machine implement
USD803900S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD806759S1 (en) 2016-12-15 2018-01-02 Caterpillar Inc. Tip for a ground engaging machine implement
USD803899S1 (en) 2016-12-15 2017-11-28 Caterpillar Inc. Tip for a ground engaging machine implement
USD805112S1 (en) 2016-12-15 2017-12-12 Caterpillar Inc. Tip for a ground engaging machine implement
USD803275S1 (en) 2016-12-15 2017-11-21 Caterpillar Inc. Tip for a ground engaging machine implement
USD832310S1 (en) 2017-08-30 2018-10-30 Caterpillar Inc. Adapter for a ground engaging machine implement
WO2020178462A1 (es) * 2019-03-01 2020-09-10 Metalogenia Research & Technologies, S.L. Sistema de fijación de elementos de desgaste en máquinas de movimiento de tierras
USD888785S1 (en) 2019-03-07 2020-06-30 Caterpillar Inc. Adapter for a ground engaging machine implement
USD905765S1 (en) 2019-03-07 2020-12-22 Caterpillar Inc. Adapter for a ground engaging machine implement
IT201900023211A1 (it) 2019-12-06 2021-06-06 Esti S R L Complesso costituito da punta e portapunta per macchine movimento terra
KR20230004449A (ko) * 2020-03-04 2023-01-06 현대두산인프라코어(주) 굴착용 투스 및 굴착용 투스를 구비한 굴착용 버켓
USD945499S1 (en) 2020-11-18 2022-03-08 Caterpillar Inc. Adapter for a ground engaging machine implement
USD945498S1 (en) 2020-11-18 2022-03-08 Caterpillar Inc. Adapter for a ground engaging machine implement

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US1808311A (en) * 1929-09-11 1931-06-02 Sabby Madonna Excavator
US2312802A (en) * 1942-01-31 1943-03-02 Arthur N Crawford Locking device for bucket teeth
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US2990634A (en) * 1959-04-03 1961-07-04 Esco Corp Digger tooth
US3079710A (en) * 1961-06-22 1963-03-05 Esco Corp Ground-working tooth and method
FR1480309A (fr) * 1966-03-29 1967-05-12 Dispositif pour l'immobilisation de la pointe d'usure d'une dent d'outil excavateur
US3839805A (en) * 1972-09-29 1974-10-08 Caterpillar Tractor Co Open side ground engaging tip
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CA1069960A (en) * 1977-02-18 1980-01-15 Esco Corporation Excavating tooth
DE2950108C2 (de) * 1979-12-13 1981-12-24 Halbach & Braun, 5600 Wuppertal Werkzeugaggregat für Schrämwerkzeuge
US4335532A (en) * 1980-04-28 1982-06-22 Esco Corporation Excavating tooth
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FR2500030A2 (fr) * 1981-02-16 1982-08-20 Poncin Andre Perfectionnements aux dents de godets de pelles mecaniques
SE445125B (sv) * 1981-03-26 1986-06-02 Bofors Ab Slitdelssystem for jordbearbetningsmaskiner
AU537233B2 (en) * 1981-09-16 1984-06-14 Esco Corporation Excavating tooth
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Also Published As

Publication number Publication date
ES2020282B3 (es) 1991-08-01
PT86277B (pt) 1993-08-31
SU1641197A3 (ru) 1991-04-07
NO174398C (no) 1994-04-27
US4811505A (en) 1989-03-14
KR970001728B1 (ko) 1997-02-14
JPS63142131A (ja) 1988-06-14
FI88531B (fi) 1993-02-15
DK168092B1 (da) 1994-02-07
EP0270325B1 (en) 1991-01-30
USRE33042E (en) 1989-09-05
NO174398B (no) 1994-01-17
FI875344A0 (fi) 1987-12-03
DK636787D0 (da) 1987-12-03
AU587734B2 (en) 1989-08-24
DE3767844D1 (de) 1991-03-07
CN2030215U (zh) 1989-01-04
ZA879116B (en) 1988-06-06
MX167672B (es) 1993-04-05
KR880007882A (ko) 1988-08-29
AU8209087A (en) 1988-06-09
ATE60637T1 (de) 1991-02-15
NO875042L (no) 1988-06-06
DK636787A (da) 1988-06-05
FI88531C (fi) 1993-05-25
PT86277A (pt) 1989-01-17
EP0270325A1 (en) 1988-06-08
US4761900A (en) 1988-08-09
FI875344A (fi) 1988-06-05
GR3001409T3 (en) 1992-09-25
PH26932A (en) 1992-12-03
BR8706543A (pt) 1988-07-12
JPH0619150B2 (ja) 1994-03-16
NZ222783A (en) 1989-07-27
TR27127A (tr) 1994-11-09
US4965945A (en) 1990-10-30
NO875042D0 (no) 1987-12-03

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