US3568678A - Self-attaching nasal tube of acceptable appearance - Google Patents

Self-attaching nasal tube of acceptable appearance Download PDF

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Publication number
US3568678A
US3568678A US747542A US3568678DA US3568678A US 3568678 A US3568678 A US 3568678A US 747542 A US747542 A US 747542A US 3568678D A US3568678D A US 3568678DA US 3568678 A US3568678 A US 3568678A
Authority
US
United States
Prior art keywords
nostril
tube
opening
body portion
obturator
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 - Lifetime
Application number
US747542A
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English (en)
Inventor
Henri Pourquier
Michel Combres
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3568678A publication Critical patent/US3568678A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0213—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body
    • A61M2025/0226—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body specifically adapted for the nose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0618—Nose

Definitions

  • a nasal tube attachmgdevrce comprising a body 11 ,9 portion having an opening extending axially therethrough.
  • the body is in the configuration of a truncated cone having a [52] [1.8. Cl 128/348, tapered end and a substantially triangular end having a 128,206 figuration substantially conforming to the natural configura- [51] It'll.
  • nasal tubes for feeding purposes are a well known art.
  • a fine tube of plastic material from 2 to 4 millimeters in outer diameter is generally utilized.
  • the tube is introduced through the nasal cavities, past the esophagus and into the stomach.
  • Other tubes for duodenal or intestinal uses are also passed through the nasal fossae. Tubes of this type are used for resuscitation, the feeding of patients, and are also utilized when there is a functional or organic obstruction to food intake. Feeding can be intermittent or continuous.
  • FlGS. 6, 7 and b are diagrammatic views of further modifications of obturation of the tube means.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Emergency Medicine (AREA)
  • Biophysics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Surgical Instruments (AREA)
US747542A 1967-07-25 1968-07-25 Self-attaching nasal tube of acceptable appearance Expired - Lifetime US3568678A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR34001780A FR1555589A (enrdf_load_stackoverflow) 1967-07-25 1967-07-25
FR1785A FR94323E (fr) 1967-07-25 1967-11-23 Appareil porte-sonde nasale auto-fixant et esthétique.

Publications (1)

Publication Number Publication Date
US3568678A true US3568678A (en) 1971-03-09

Family

ID=26235375

Family Applications (1)

Application Number Title Priority Date Filing Date
US747542A Expired - Lifetime US3568678A (en) 1967-07-25 1968-07-25 Self-attaching nasal tube of acceptable appearance

Country Status (8)

Country Link
US (1) US3568678A (enrdf_load_stackoverflow)
BE (1) BE712414A (enrdf_load_stackoverflow)
CH (1) CH492459A (enrdf_load_stackoverflow)
DE (1) DE1766363A1 (enrdf_load_stackoverflow)
ES (1) ES352204A1 (enrdf_load_stackoverflow)
FR (2) FR1555589A (enrdf_load_stackoverflow)
GB (1) GB1229438A (enrdf_load_stackoverflow)
NL (1) NL6806730A (enrdf_load_stackoverflow)

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559941A (en) * 1983-12-22 1985-12-24 Timmons John W Eyeglass frame and nasal cannula assembly
US4634425A (en) * 1985-09-10 1987-01-06 Meer Jeffrey A Naso-enteral tube harness apparatus and method
US4755174A (en) * 1985-05-17 1988-07-05 Christian Milewski Apparatus for administering fluids through the nose by means of a tube
US4821715A (en) * 1988-02-16 1989-04-18 Downing Michael V Nasopharyngeal airway
US5185005A (en) * 1991-06-04 1993-02-09 Board Of Regents, The University Of Texas System Method and apparatus for securing a nasogastric tube
US5477852A (en) * 1991-10-29 1995-12-26 Airways Ltd., Inc. Nasal positive airway pressure apparatus and method
US5657752A (en) * 1996-03-28 1997-08-19 Airways Associates Nasal positive airway pressure mask and method
US5687715A (en) * 1991-10-29 1997-11-18 Airways Ltd Inc Nasal positive airway pressure apparatus and method
US5743256A (en) * 1996-03-07 1998-04-28 Jalowayski; Alfredo A. Nostril closure means
US6183493B1 (en) 1999-08-24 2001-02-06 Pharmasys International, Llc Method and apparatus for the treatment of sleep apnea and related breathing disorders
US6491940B1 (en) * 1999-01-27 2002-12-10 Bruce H. Levin Apparatus for administering composition for inhibiting cerebral neurovascular disorders and muscular headaches
US20060048775A1 (en) * 2004-09-09 2006-03-09 Dunlap Ivan L Nasopharyngeal airway device and method of use
US20060283464A1 (en) * 2004-09-09 2006-12-21 Epic Corporation Nasopharyngeal airway device and method of use
US20070219575A1 (en) * 2006-03-20 2007-09-20 Mejia Marta L Orthonostric device and method of forming the same
US20080289658A1 (en) * 2007-05-21 2008-11-27 Eli Bradley A Human-interface cleaning device and cleaning method
US20100175726A1 (en) * 2007-05-21 2010-07-15 Eli Bradley Human interface cleaning device
US7799337B2 (en) 1997-07-21 2010-09-21 Levin Bruce H Method for directed intranasal administration of a composition
US20110118551A1 (en) * 2009-11-14 2011-05-19 SPI Surgical, Inc. Collateral soft tissue protection surgical device
US20110125066A1 (en) * 2007-02-09 2011-05-26 Timothy Mark Robinson Breathable interface system for topical reduced pressure
US20110166556A1 (en) * 2008-06-03 2011-07-07 Svip 8 Llc Tissue-anchored devices
US20120203069A1 (en) * 2009-11-14 2012-08-09 Blake Hannaford Surgical shield for soft tissue protection
US20130019870A1 (en) * 1999-03-13 2013-01-24 Innomed Technologies Inc. Ventilation interface for sleep apnea therapy
WO2013192121A1 (en) * 2012-06-18 2013-12-27 Abeon Medical Corporation Nasal tube device and method
WO2014052595A3 (en) * 2012-09-26 2014-05-22 University Of Virginia Devices and methods for protecting an internal channel of a subject
EP2543407A4 (en) * 2010-03-05 2014-08-20 Seven Dreamers Lab Inc CLIP FOR A DEVICE FOR USE IN THE NOSE ROOM AND THIS CLIP EQUIPPED SET FOR THE DEVICE FOR USE IN THE NOSE CAVITY
US20140378907A1 (en) * 2013-06-24 2014-12-25 Changhua Christian Hospital Nasogastric Tube
US8986201B2 (en) 2009-11-14 2015-03-24 Spiway Llc Surgical tissue protection sheath
US9011326B2 (en) 2009-11-14 2015-04-21 Spiway Llc Soft tissue shield for trans-orbital surgery
US20150230969A1 (en) * 2014-02-14 2015-08-20 John M. O'Day Nasopharyngeal Device for Obstructive Sleep Apnea Syndrome
US9451981B2 (en) 2009-11-14 2016-09-27 Spiway Llc Surgical tissue protection sheath
USD777316S1 (en) 2014-03-07 2017-01-24 Seven Dreamers Laboratories, Inc. Nasal airway tube
US9789272B2 (en) 2012-08-10 2017-10-17 Applied Medical Technology, Inc. Bridle device and method
WO2018063183A1 (en) * 2016-09-28 2018-04-05 Oday John M Nasopharyngeal device for obstructive sleep apnea syndrome
US10500361B2 (en) 2013-03-15 2019-12-10 Applied Medical Technology, Inc. Endotracheal tube retention system
US10986984B2 (en) 2013-03-13 2021-04-27 Spiway Llc Surgical tissue protection sheath
US11039735B2 (en) 2013-03-13 2021-06-22 Spiway Llc Surgical tissue protection sheath
US11123266B2 (en) * 2018-05-10 2021-09-21 Jui-Che Hsu Concealable feeding tube assembly
US11400244B2 (en) * 2017-10-20 2022-08-02 Beck Medical, Ltd. Nasal device for treatment
EP4094747A1 (en) * 2021-05-27 2022-11-30 Chien-Chung Su Food reflux reducing two-piece nasogastric tube
US20220401683A1 (en) * 2021-06-14 2022-12-22 Ari Namon Airflow nasal prong
US11583313B1 (en) 2018-12-06 2023-02-21 Spiway Llc Surgical access sheath and methods of use
RU2796084C1 (ru) * 2021-05-27 2023-05-16 Чиен-Чунг Су Двухсекционная назогастральная трубка для уменьшения пищевого рефлюкса
US11944589B1 (en) 2021-09-23 2024-04-02 Carmen V. Garcia Nasogastric tube securing device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828577A (en) * 1972-04-19 1974-08-13 G Haynes Nose ornament and sachet
US4934359A (en) * 1987-09-03 1990-06-19 Hal Blaine Nasal exhaler and method
AU3777993A (en) * 1992-02-28 1993-09-13 Innovative Medical Design Corp. Naso-gastric tube holder
GB0317610D0 (en) * 2003-07-28 2003-08-27 Lankshear Paul Naso-gastric tube introducer
US7900626B2 (en) 2006-04-17 2011-03-08 Daly Robert W Method and system for controlling breathing
WO2009117163A1 (en) * 2008-03-21 2009-09-24 The Periodic Breathing Foundation Llc Nasal interface device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US399985A (en) * 1889-03-19 good willie
US1014758A (en) * 1911-05-01 1912-01-16 Annie Cecelia Knowlson Nostril-expanding device.
US1218906A (en) * 1916-11-18 1917-03-13 Alfred C Shepherd Inhaler.
DE1057738B (de) * 1954-02-09 1959-05-21 Dr Med Max Sauter Einrichtung zum Ruhigstellen des Naseninnern
US2945493A (en) * 1950-03-16 1960-07-19 Jr Harry H Herman Breathing attachment for swimmers
US3058472A (en) * 1958-12-09 1962-10-16 Baxter Don Inc Gastric tube
US3153415A (en) * 1961-02-23 1964-10-20 Sheridan Corp Infant feeding tube
US3161199A (en) * 1962-10-31 1964-12-15 Varvel R Robertson Stomach tube holder
US3260258A (en) * 1963-06-10 1966-07-12 Medical Plastics Inc Naso-pharyngeal-esophageal device
US3435823A (en) * 1966-04-11 1969-04-01 Miles Lowell Edwards Anastomotic coupling with anti-pulse ring means

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US399985A (en) * 1889-03-19 good willie
US1014758A (en) * 1911-05-01 1912-01-16 Annie Cecelia Knowlson Nostril-expanding device.
US1218906A (en) * 1916-11-18 1917-03-13 Alfred C Shepherd Inhaler.
US2945493A (en) * 1950-03-16 1960-07-19 Jr Harry H Herman Breathing attachment for swimmers
DE1057738B (de) * 1954-02-09 1959-05-21 Dr Med Max Sauter Einrichtung zum Ruhigstellen des Naseninnern
US3058472A (en) * 1958-12-09 1962-10-16 Baxter Don Inc Gastric tube
US3153415A (en) * 1961-02-23 1964-10-20 Sheridan Corp Infant feeding tube
US3161199A (en) * 1962-10-31 1964-12-15 Varvel R Robertson Stomach tube holder
US3260258A (en) * 1963-06-10 1966-07-12 Medical Plastics Inc Naso-pharyngeal-esophageal device
US3435823A (en) * 1966-04-11 1969-04-01 Miles Lowell Edwards Anastomotic coupling with anti-pulse ring means

Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559941A (en) * 1983-12-22 1985-12-24 Timmons John W Eyeglass frame and nasal cannula assembly
US4755174A (en) * 1985-05-17 1988-07-05 Christian Milewski Apparatus for administering fluids through the nose by means of a tube
US4634425A (en) * 1985-09-10 1987-01-06 Meer Jeffrey A Naso-enteral tube harness apparatus and method
US4821715A (en) * 1988-02-16 1989-04-18 Downing Michael V Nasopharyngeal airway
US5185005A (en) * 1991-06-04 1993-02-09 Board Of Regents, The University Of Texas System Method and apparatus for securing a nasogastric tube
US5477852A (en) * 1991-10-29 1995-12-26 Airways Ltd., Inc. Nasal positive airway pressure apparatus and method
US5687715A (en) * 1991-10-29 1997-11-18 Airways Ltd Inc Nasal positive airway pressure apparatus and method
US5743256A (en) * 1996-03-07 1998-04-28 Jalowayski; Alfredo A. Nostril closure means
US5657752A (en) * 1996-03-28 1997-08-19 Airways Associates Nasal positive airway pressure mask and method
US7799337B2 (en) 1997-07-21 2010-09-21 Levin Bruce H Method for directed intranasal administration of a composition
US6491940B1 (en) * 1999-01-27 2002-12-10 Bruce H. Levin Apparatus for administering composition for inhibiting cerebral neurovascular disorders and muscular headaches
US20130019870A1 (en) * 1999-03-13 2013-01-24 Innomed Technologies Inc. Ventilation interface for sleep apnea therapy
US6328753B1 (en) 1999-08-24 2001-12-11 Pharmasys International, Llc Method and apparatus for the treatment of sleep apnea and related breathing disorders
US6183493B1 (en) 1999-08-24 2001-02-06 Pharmasys International, Llc Method and apparatus for the treatment of sleep apnea and related breathing disorders
US7100612B2 (en) * 2004-09-09 2006-09-05 Epic Corporation Nasopharyngeal airway device and method of use
US20060283464A1 (en) * 2004-09-09 2006-12-21 Epic Corporation Nasopharyngeal airway device and method of use
US20060048775A1 (en) * 2004-09-09 2006-03-09 Dunlap Ivan L Nasopharyngeal airway device and method of use
US7730888B2 (en) 2004-09-09 2010-06-08 Spivan, Llc Nasopharyngeal airway device and method of use
US20070219575A1 (en) * 2006-03-20 2007-09-20 Mejia Marta L Orthonostric device and method of forming the same
US20110125066A1 (en) * 2007-02-09 2011-05-26 Timothy Mark Robinson Breathable interface system for topical reduced pressure
US20080289658A1 (en) * 2007-05-21 2008-11-27 Eli Bradley A Human-interface cleaning device and cleaning method
US8372215B2 (en) 2007-05-21 2013-02-12 Bradley A. Eli Human-interface cleaning device
US20100175721A1 (en) * 2007-05-21 2010-07-15 Eli Bradley A Method of cleaning a human-interface cleaning device
US20100175726A1 (en) * 2007-05-21 2010-07-15 Eli Bradley Human interface cleaning device
US20110166556A1 (en) * 2008-06-03 2011-07-07 Svip 8 Llc Tissue-anchored devices
US8882749B2 (en) * 2008-06-03 2014-11-11 Svip 8 Llc Tissue-anchored devices
US20120203069A1 (en) * 2009-11-14 2012-08-09 Blake Hannaford Surgical shield for soft tissue protection
US9451981B2 (en) 2009-11-14 2016-09-27 Spiway Llc Surgical tissue protection sheath
US20110118551A1 (en) * 2009-11-14 2011-05-19 SPI Surgical, Inc. Collateral soft tissue protection surgical device
US8986201B2 (en) 2009-11-14 2015-03-24 Spiway Llc Surgical tissue protection sheath
US9011326B2 (en) 2009-11-14 2015-04-21 Spiway Llc Soft tissue shield for trans-orbital surgery
US9724228B2 (en) 2010-03-05 2017-08-08 Seven Dreamers Laboratories, Inc. Nasal cavity insertion device fixture and nasal cavity insertion device set including the same
EP2543407A4 (en) * 2010-03-05 2014-08-20 Seven Dreamers Lab Inc CLIP FOR A DEVICE FOR USE IN THE NOSE ROOM AND THIS CLIP EQUIPPED SET FOR THE DEVICE FOR USE IN THE NOSE CAVITY
EP3120888A1 (en) 2010-03-05 2017-01-25 seven dreamers laboratories, Inc. Nasal cavity insertion device fixture and nasal cavity insertion device set including the same
WO2013192121A1 (en) * 2012-06-18 2013-12-27 Abeon Medical Corporation Nasal tube device and method
US10426941B2 (en) 2012-06-18 2019-10-01 Applied Medical Technology, Inc. Nasal tube device and method
US9789272B2 (en) 2012-08-10 2017-10-17 Applied Medical Technology, Inc. Bridle device and method
WO2014052595A3 (en) * 2012-09-26 2014-05-22 University Of Virginia Devices and methods for protecting an internal channel of a subject
US10172639B2 (en) 2012-09-26 2019-01-08 University Of Virginia Patent Foundation Devices and methods for protecting an internal channel of a subject
US11039735B2 (en) 2013-03-13 2021-06-22 Spiway Llc Surgical tissue protection sheath
US10986984B2 (en) 2013-03-13 2021-04-27 Spiway Llc Surgical tissue protection sheath
US10500361B2 (en) 2013-03-15 2019-12-10 Applied Medical Technology, Inc. Endotracheal tube retention system
US9504630B2 (en) * 2013-06-24 2016-11-29 Changhua Christian Hospital Nasogastric tube
US20140378907A1 (en) * 2013-06-24 2014-12-25 Changhua Christian Hospital Nasogastric Tube
US10569037B2 (en) * 2014-02-14 2020-02-25 John M. O'Day Nasopharyngeal device for obstructive sleep apnea syndrome
US20150230969A1 (en) * 2014-02-14 2015-08-20 John M. O'Day Nasopharyngeal Device for Obstructive Sleep Apnea Syndrome
USD777316S1 (en) 2014-03-07 2017-01-24 Seven Dreamers Laboratories, Inc. Nasal airway tube
WO2018063183A1 (en) * 2016-09-28 2018-04-05 Oday John M Nasopharyngeal device for obstructive sleep apnea syndrome
US11400244B2 (en) * 2017-10-20 2022-08-02 Beck Medical, Ltd. Nasal device for treatment
US11123266B2 (en) * 2018-05-10 2021-09-21 Jui-Che Hsu Concealable feeding tube assembly
US11583313B1 (en) 2018-12-06 2023-02-21 Spiway Llc Surgical access sheath and methods of use
EP4094747A1 (en) * 2021-05-27 2022-11-30 Chien-Chung Su Food reflux reducing two-piece nasogastric tube
RU2796084C1 (ru) * 2021-05-27 2023-05-16 Чиен-Чунг Су Двухсекционная назогастральная трубка для уменьшения пищевого рефлюкса
AU2022203299B2 (en) * 2021-05-27 2023-06-01 Chien-Chung Su Food reflux reducing two-piece nasogastric tube
US20220401683A1 (en) * 2021-06-14 2022-12-22 Ari Namon Airflow nasal prong
US11944589B1 (en) 2021-09-23 2024-04-02 Carmen V. Garcia Nasogastric tube securing device

Also Published As

Publication number Publication date
FR1555589A (enrdf_load_stackoverflow) 1969-01-31
BE712414A (enrdf_load_stackoverflow) 1968-09-19
NL6806730A (enrdf_load_stackoverflow) 1969-01-28
GB1229438A (enrdf_load_stackoverflow) 1971-04-21
DE1766363A1 (de) 1971-07-01
ES352204A1 (es) 1969-07-01
FR94323E (fr) 1969-08-01
CH492459A (fr) 1970-06-30

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