CH610753A5 - - Google Patents

Info

Publication number
CH610753A5
CH610753A5 CH1617776A CH1617776A CH610753A5 CH 610753 A5 CH610753 A5 CH 610753A5 CH 1617776 A CH1617776 A CH 1617776A CH 1617776 A CH1617776 A CH 1617776A CH 610753 A5 CH610753 A5 CH 610753A5
Authority
CH
Switzerland
Application number
CH1617776A
Inventor
Roland Leuenberger
Original Assignee
Roland Leuenberger
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 Roland Leuenberger filed Critical Roland Leuenberger
Priority to CH1617776A priority Critical patent/CH610753A5/xx
Priority to IT24466/77A priority patent/IT1081824B/it
Priority to FR7718426A priority patent/FR2374886A1/fr
Priority to US05/810,763 priority patent/US4111208A/en
Priority to DE2730227A priority patent/DE2730227C3/de
Priority to AT0488877A priority patent/AT370608B/de
Priority to FI773650A priority patent/FI773650A/fi
Priority to BE183125A priority patent/BE861446A/fr
Priority to NLAANVRAGE7713563,A priority patent/NL182532C/xx
Priority to SE7714153A priority patent/SE7714153L/
Priority to CA293,036A priority patent/CA1112970A/fr
Priority to GB52641/77A priority patent/GB1550577A/en
Priority to ES465719A priority patent/ES465719A1/es
Priority to JP15302577A priority patent/JPS5380789A/ja
Priority to DK570977A priority patent/DK570977A/da
Priority to NO77774411A priority patent/NO145042C/no
Publication of CH610753A5 publication Critical patent/CH610753A5/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/1633—Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/1622—Drill handpieces
    • A61B17/1624—Drive mechanisms therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0046—Devices for removing chips by sucking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/027—Driving main working members reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/122—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and oscillating motion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/03—Processes
    • Y10T408/04—Bit detachable
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/50—Cutting by use of rotating axially moving tool with product handling or receiving means
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/65—Means to drive tool

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biomedical Technology (AREA)
  • Dentistry (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Surgical Instruments (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
CH1617776A 1976-12-22 1976-12-22 CH610753A5 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
CH1617776A CH610753A5 (fr) 1976-12-22 1976-12-22
IT24466/77A IT1081824B (it) 1976-12-22 1977-06-08 Procedimento di foratura di partidure,e apparecchio per la sua realizzazione
FR7718426A FR2374886A1 (fr) 1976-12-22 1977-06-10 Procede de percage des parties dures, en chirurgie, et appareil pour sa mise en oeuvre
US05/810,763 US4111208A (en) 1976-12-22 1977-06-28 Process for drilling holes in hard materials, in surgical procedures, and apparatus for carrying out the process
DE2730227A DE2730227C3 (de) 1976-12-22 1977-07-05 Chirurgische Bohrvorrichtung zur spanabhebenden Bearbeitung von harten Körperteilen, wie z.B. Knochen, und Antriebsvorrichtung dazu
AT0488877A AT370608B (de) 1976-12-22 1977-07-07 Vorrichtung zum bohren harter teile in der chirurgie
FI773650A FI773650A (fi) 1976-12-22 1977-12-01 Foerfarande foer borrande av haol i haorda aemnen foer kirurgiska aendamaol och anordning foer genomfoerande av foerfarandet
BE183125A BE861446A (fr) 1976-12-22 1977-12-02 Procede de percage des parties dures, en chirurgie, et appareil pour sa mise en oeuvre
NLAANVRAGE7713563,A NL182532C (nl) 1976-12-22 1977-12-07 Chirurgische inrichting voor het boren van gaten in harde materialen tijdens operaties.
SE7714153A SE7714153L (sv) 1976-12-22 1977-12-13 Sett att borra hal i harda material for kliniska endamal, jemte anordning for utovande av settet
CA293,036A CA1112970A (fr) 1976-12-22 1977-12-14 Procede pour percer des trous dans un materiau dur lors d'interventions chirurgicales et appareil utilise a cette fin
GB52641/77A GB1550577A (en) 1976-12-22 1977-12-19 Methods of and apparatus for surgical drilling
ES465719A ES465719A1 (es) 1976-12-22 1977-12-21 Procedimiento y aparato para la perforacion de partes duras,en cirugia
JP15302577A JPS5380789A (en) 1976-12-22 1977-12-21 Method of and device for perforating hard material by surgical treatment
DK570977A DK570977A (da) 1976-12-22 1977-12-21 Fremgangsmaade og apparat til boring af huller
NO77774411A NO145042C (no) 1976-12-22 1977-12-21 Anordning for sponavskillende bearbeidelse av harde legemsdeler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1617776A CH610753A5 (fr) 1976-12-22 1976-12-22

Publications (1)

Publication Number Publication Date
CH610753A5 true CH610753A5 (fr) 1979-05-15

Family

ID=4415062

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1617776A CH610753A5 (fr) 1976-12-22 1976-12-22

Country Status (16)

Country Link
US (1) US4111208A (fr)
JP (1) JPS5380789A (fr)
AT (1) AT370608B (fr)
BE (1) BE861446A (fr)
CA (1) CA1112970A (fr)
CH (1) CH610753A5 (fr)
DE (1) DE2730227C3 (fr)
DK (1) DK570977A (fr)
ES (1) ES465719A1 (fr)
FI (1) FI773650A (fr)
FR (1) FR2374886A1 (fr)
GB (1) GB1550577A (fr)
IT (1) IT1081824B (fr)
NL (1) NL182532C (fr)
NO (1) NO145042C (fr)
SE (1) SE7714153L (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3302919A1 (de) * 1982-09-22 1984-03-22 Institut Straumann Ag, Waldenburg Vorrichtung zur umwandlung von drehbewegungen mit einer einzigen drehrichtung in drehbewegungen mit abwechselnden drehrichtungen und verwendung dieser vorrichtung
US10194922B2 (en) 2012-05-11 2019-02-05 Peter L. Bono Rotary oscillating bone, cartilage, and disk removal tool assembly
US10582933B2 (en) 2018-03-22 2020-03-10 Capstone Surgical Techologies, LLC Oscillating surgical cutting tool
US10835263B2 (en) 2016-11-17 2020-11-17 Peter L. Bono Rotary oscillating surgical tool
US11000306B2 (en) 2017-10-23 2021-05-11 Peter L. Bono Rotary oscillating/reciprocating surgical tool
US11135026B2 (en) 2012-05-11 2021-10-05 Peter L. Bono Robotic surgical system
US11173000B2 (en) 2018-01-12 2021-11-16 Peter L. Bono Robotic surgical control system
US11857351B2 (en) 2018-11-06 2024-01-02 Globus Medical, Inc. Robotic surgical system and method

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267841A (en) * 1978-01-06 1981-05-19 Fraser Alexander R Nail matrix trephine
FR2465548A1 (fr) * 1979-09-24 1981-03-27 Leuenberger Roland Perceuse-taraudeuse
JPS5950956U (ja) * 1982-09-23 1984-04-04 山森　彰三 繊維機械用ボビン支持台
US4765333A (en) * 1983-05-25 1988-08-23 Bray Robert S Surgical methods and apparatus for bone removal
US4596243A (en) * 1983-05-25 1986-06-24 Bray Robert S Surgical methods and apparatus for bone removal
US4936845A (en) * 1987-03-17 1990-06-26 Cordis Corporation Catheter system having distal tip for opening obstructions
US5116350B1 (en) * 1987-03-17 1997-06-17 Cordis Corp Catheter system having distal tip for opening obstructions
US5122153A (en) * 1990-03-22 1992-06-16 Harrel Stephen K Tissue removing instrument and method
GB9020120D0 (en) * 1990-09-14 1990-10-24 Cridland John V Dust collecting vacuum attachment for power drills
US5112338A (en) * 1991-02-11 1992-05-12 Anspach Iii William E Surgical instrument for removing artificial acetabular cups
US6250532B1 (en) * 1991-10-18 2001-06-26 United States Surgical Corporation Surgical stapling apparatus
WO1993025151A1 (fr) * 1992-06-12 1993-12-23 Larry Steven Nichter Procede et dispositif pour enfoncer une broche
US5547376A (en) * 1992-06-18 1996-08-20 Harrel; Stephen K. Methods and apparatus for containing and recovering abrasive powders from an abrasive polisher
US5378150A (en) * 1992-06-18 1995-01-03 Harrel; Stephen K. Methods and apparatus for controlling the aerosol envelope generated by ultrasonic devices
US5439005A (en) * 1993-03-02 1995-08-08 Midas Rex Pneumatic Tools, Inc. Surgical instrument with telescoping sleeve
US5676545A (en) * 1994-08-15 1997-10-14 Jones; Shedrick D. Method and apparatus for implantation
US5601583A (en) * 1995-02-15 1997-02-11 Smith & Nephew Endoscopy Inc. Surgical instrument
US5667509A (en) * 1995-03-02 1997-09-16 Westin; Craig D. Retractable shield apparatus and method for a bone drill
JPH11514905A (ja) 1995-10-30 1999-12-21 バイオメディカル エンタープライジーズ，インコーポレイテッド 材料収集システムおよびその使用
US6071284A (en) 1995-10-30 2000-06-06 Biomedical Enterprises, Inc. Materials collection system and uses thereof
US5685673A (en) * 1996-04-02 1997-11-11 Jarvis; Wayne C. Twist drill with reverse flutes
US5891153A (en) * 1997-12-23 1999-04-06 Peterson; Randy Auger nucleus extracted for cataracts
US6227773B1 (en) * 2000-01-03 2001-05-08 The Boeing Company Compact autofeed drill and associated drilling method and apparatus
US20030220646A1 (en) * 2002-05-23 2003-11-27 Thelen Sarah L. Method and apparatus for reducing femoral fractures
DE10303964A1 (de) * 2003-01-31 2004-08-19 Wolfgang Prof. Dr. Oettinger Medizinische Bohrvorrichtung und medizinisches Bohrverfahren
JP4616845B2 (ja) * 2004-02-05 2011-01-19 ビーティーアイ、アイプラスディー、エス．エル． 組織微片の抽出及び収集を伴う低速非潅注式旋削処置及び旋削器具
US20060229624A1 (en) * 2005-03-31 2006-10-12 Zimmer Technology, Inc. Orthopaedic cutting instrument and method
US20070243031A1 (en) * 2006-04-14 2007-10-18 Song-Moon Yun Safety debris collecting device
US20070270771A1 (en) * 2006-04-24 2007-11-22 Ralph James D Autologous bone harvest during osteotomy and bone drilling procedures
US7758651B2 (en) * 2006-10-18 2010-07-20 Howmedica Osteonics Corp. Mis patellar preparation
US8628530B2 (en) 2007-08-16 2014-01-14 Nutek Orthopedics, Inc. External fixation apparatus with angularly adjustable drill guiding and pin clamping means
US20090050682A1 (en) * 2007-08-22 2009-02-26 Jennifer Cole E-Z BOP BOX TOP a re-closable box with a spout
GB0716464D0 (en) * 2007-08-23 2007-10-03 Smith & Nephew Medical device and method
US8821493B2 (en) 2008-06-26 2014-09-02 Smart Medical Devices, Inc. Depth controllable and measurable medical driver devices and methods of use
DE102008061249A1 (de) * 2008-12-10 2010-06-17 Gottfried Wilhelm Leibniz Universität Hannover Ein chirurgisches Bohrverfahren, eine für chirurgische Zwecke bestimmte Bohrmaschine mit einem Aufsatz sowie ein Aufsatz für eine für chirurgische Zwecke bestimmte Bohrmaschine
WO2011123703A1 (fr) * 2010-03-31 2011-10-06 Smart Medical Devices, Inc. Dispositifs de commande medicale de mesure et de controle de la profondeur
CN103930065B (zh) * 2011-08-11 2017-06-23 奥齿泰有限责任公司 钻具、钻具罩以及使用所述钻具和钻具罩的用于收集自体骨的手术器械
JP2013106871A (ja) * 2011-11-24 2013-06-06 Nakanishi:Kk 歯科用ハンドピース
US9615816B2 (en) * 2013-03-15 2017-04-11 Vidacare LLC Drivers and drive systems
US9629684B2 (en) * 2013-03-15 2017-04-25 Acclarent, Inc. Apparatus and method for treatment of ethmoid sinusitis
US10238252B2 (en) * 2014-05-15 2019-03-26 Christopher Joseph Buczek Dust collector for a drill press or system
JP6694870B2 (ja) * 2015-03-11 2020-05-20 テルモ株式会社 異物除去デバイス
US10736643B2 (en) 2016-02-12 2020-08-11 Smart Medical Devices, Inc. Driving devices and methods for determining material strength in real-time
WO2019035940A1 (fr) 2017-08-16 2019-02-21 Milwaukee Electric Tool Corporation Collecteur de poussière pour outil électrique
US11517328B2 (en) * 2019-03-19 2022-12-06 Arthrex, Inc. Force absorption system for disposable shavers and burrs
US11931052B2 (en) 2021-10-08 2024-03-19 Nuvasive, Inc. Assemblies, systems, and methods for a neuromonitoring drill bit

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US1308798A (en) * 1919-07-08 Surgical instrument
US1299241A (en) * 1918-06-08 1919-04-01 Niles Bement Pond Co Tapping mechanism for drilling-machines.
US2144342A (en) * 1937-08-18 1939-01-17 Gordon M Morrison Bone drill device
US2354735A (en) * 1943-03-22 1944-08-01 Charles H Bensinger Tool
US3049018A (en) * 1959-02-03 1962-08-14 Lusskin Harold Hand tool
DE1993113U (de) * 1964-03-17 1968-09-05 Micro Mega Sa Winkelhandstueck fuer zahnaerztliche werkzeuge zur wurzelkanalaufbereitung.
FR1421503A (fr) * 1964-11-03 1965-12-17 F E C Sa Francaise D Equipemen Scie chirurgicale
DE1566243B1 (de) * 1967-11-08 1970-02-19 Kaltenbach & Voigt Kopfteil fuer ein zahnaerztliches Winkelstueck zur Wurzelkanalbehandlung
US3682177A (en) * 1970-03-18 1972-08-08 Acme Eng Co Inc Cranial drilling instrument
NL7101657A (fr) * 1970-12-05 1972-06-07
JPH048991U (fr) * 1990-05-10 1992-01-27

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3302919A1 (de) * 1982-09-22 1984-03-22 Institut Straumann Ag, Waldenburg Vorrichtung zur umwandlung von drehbewegungen mit einer einzigen drehrichtung in drehbewegungen mit abwechselnden drehrichtungen und verwendung dieser vorrichtung
US11135026B2 (en) 2012-05-11 2021-10-05 Peter L. Bono Robotic surgical system
US10194922B2 (en) 2012-05-11 2019-02-05 Peter L. Bono Rotary oscillating bone, cartilage, and disk removal tool assembly
US11819300B2 (en) 2012-05-11 2023-11-21 Globus Medical, Inc. Robotic surgical system and method
US11389179B2 (en) 2012-05-11 2022-07-19 Globus Medical, Inc. Rotary oscillating bone, cartilage, and disk removal tool assembly
US10835263B2 (en) 2016-11-17 2020-11-17 Peter L. Bono Rotary oscillating surgical tool
US11857203B2 (en) 2016-11-17 2024-01-02 Globus Medical, Inc. Rotary oscillating surgical tool
US11000306B2 (en) 2017-10-23 2021-05-11 Peter L. Bono Rotary oscillating/reciprocating surgical tool
US11844543B2 (en) 2017-10-23 2023-12-19 Globus Medical, Inc. Rotary oscillating/reciprocating surgical tool
US11173000B2 (en) 2018-01-12 2021-11-16 Peter L. Bono Robotic surgical control system
US11766266B2 (en) 2018-03-22 2023-09-26 Globus Medical Inc. Oscillating surgical cutting tool
US10582933B2 (en) 2018-03-22 2020-03-10 Capstone Surgical Techologies, LLC Oscillating surgical cutting tool
US11857351B2 (en) 2018-11-06 2024-01-02 Globus Medical, Inc. Robotic surgical system and method

Also Published As

Publication number Publication date
NO145042C (no) 1982-01-04
JPS5613462B2 (fr) 1981-03-28
NL7713563A (nl) 1978-06-26
DE2730227A1 (de) 1978-06-29
NO145042B (no) 1981-09-21
US4111208A (en) 1978-09-05
NL182532C (nl) 1988-04-05
SE7714153L (sv) 1978-06-23
NL182532B (nl) 1987-11-02
FR2374886B1 (fr) 1981-08-28
DE2730227C3 (de) 1987-04-16
ES465719A1 (es) 1980-12-16
CA1112970A (fr) 1981-11-24
DK570977A (da) 1978-06-23
FI773650A (fi) 1978-06-23
BE861446A (fr) 1978-03-31
NO774411L (no) 1978-06-23
GB1550577A (en) 1979-08-15
IT1081824B (it) 1985-05-21
AT370608B (de) 1983-04-25
DE2730227B2 (de) 1980-12-18
ATA488877A (de) 1982-09-15
JPS5380789A (en) 1978-07-17
FR2374886A1 (fr) 1978-07-21

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