NL192636C - Inrichting voor het regelen van de temperatuur van het door een inhalatie-apparaat stromende gas en inhalatie-apparaat voorzien van een dergelijke inrichting. - Google Patents
Inrichting voor het regelen van de temperatuur van het door een inhalatie-apparaat stromende gas en inhalatie-apparaat voorzien van een dergelijke inrichting. Download PDFInfo
- Publication number
- NL192636C NL192636C NL8303735A NL8303735A NL192636C NL 192636 C NL192636 C NL 192636C NL 8303735 A NL8303735 A NL 8303735A NL 8303735 A NL8303735 A NL 8303735A NL 192636 C NL192636 C NL 192636C
- Authority
- NL
- Netherlands
- Prior art keywords
- temperature
- heating
- signal
- circuit
- alarm
- Prior art date
Links
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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
-
- 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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
- A61M16/109—Preparation of respiratory gases or vapours by influencing the temperature the humidifying liquid or the beneficial agent
-
- 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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- 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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0841—Joints or connectors for sampling
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Emergency Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Control Of Temperature (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Control Of Resistance Heating (AREA)
- Sampling And Sample Adjustment (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/437,562 US4564748A (en) | 1982-10-29 | 1982-10-29 | Variable temperature heating control system for inhalation therapy apparatus |
US43756282 | 1982-10-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8303735A NL8303735A (nl) | 1984-05-16 |
NL192636B NL192636B (nl) | 1997-07-01 |
NL192636C true NL192636C (nl) | 1997-11-04 |
Family
ID=23736953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8303735A NL192636C (nl) | 1982-10-29 | 1983-10-28 | Inrichting voor het regelen van de temperatuur van het door een inhalatie-apparaat stromende gas en inhalatie-apparaat voorzien van een dergelijke inrichting. |
Country Status (15)
Country | Link |
---|---|
US (1) | US4564748A (fr) |
JP (1) | JPS59151967A (fr) |
AU (1) | AU563079B2 (fr) |
BE (1) | BE898116A (fr) |
BR (1) | BR8305949A (fr) |
CA (1) | CA1218730A (fr) |
DE (1) | DE3338650C2 (fr) |
DK (1) | DK168938B1 (fr) |
ES (1) | ES8407220A1 (fr) |
FR (1) | FR2535484B1 (fr) |
GB (1) | GB2130401B (fr) |
MX (1) | MX157420A (fr) |
NL (1) | NL192636C (fr) |
SE (1) | SE458422B (fr) |
ZA (1) | ZA837869B (fr) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4647219A (en) * | 1983-10-31 | 1987-03-03 | Baxter Travenol Laboratories, Inc. | Safety system for heating conduit |
US4676237A (en) * | 1985-01-29 | 1987-06-30 | Boutade Worldwide Investments Nv | Inhaler device |
WO1986004674A1 (fr) * | 1985-02-06 | 1986-08-14 | Daikin Industries, Ltd. | Element thermodetecteur |
AU581986B2 (en) * | 1985-05-22 | 1989-03-09 | Fisher & Paykel Healthcare Limited | Improvements in or relating to methods of and/or apparatus for humidifying gases |
US4955372A (en) * | 1985-07-16 | 1990-09-11 | Transpirator Technologies, Inc. | Method and apparatus for pulmonary and cardiovascular conditioning of racehorses and competition animals |
US4847471A (en) * | 1987-01-23 | 1989-07-11 | Pace, Incorporated | Heater for use as either primary or auxiliary heat source and improved circuitry for controlling the heater |
US4793343A (en) * | 1987-08-20 | 1988-12-27 | Cummins Jr James M | Respiratory heated face mask |
US4947875A (en) * | 1988-09-08 | 1990-08-14 | R. J. Reynolds Tobacco Company | Flavor delivery articles utilizing electrical energy |
US4922901A (en) * | 1988-09-08 | 1990-05-08 | R. J. Reynolds Tobacco Company | Drug delivery articles utilizing electrical energy |
US4947874A (en) * | 1988-09-08 | 1990-08-14 | R. J. Reynolds Tobacco Company | Smoking articles utilizing electrical energy |
US4881541A (en) * | 1988-12-21 | 1989-11-21 | The Regents Of The University Of California | Vaporizer for an anesthetic having a vapor pressure about one atmosphere |
JPH0653176B2 (ja) * | 1990-11-30 | 1994-07-20 | 史朗 鈴木 | 加湿器 |
US5226411A (en) * | 1991-03-07 | 1993-07-13 | Walter Levine | Aerosol nebulizer heater |
US5529060A (en) * | 1991-05-22 | 1996-06-25 | Fisher & Paykel Limited | Humidifiers with control systems to prevent condensation |
GB9120005D0 (en) * | 1991-09-19 | 1991-11-06 | Wellcome Found | Method of administering phospholipid dispersions |
KR950004851B1 (ko) * | 1992-05-22 | 1995-05-15 | 삼성전자 주식회사 | 온도센서의 이상감지회로 |
US5335650A (en) * | 1992-10-13 | 1994-08-09 | Temple University - Of The Commonwealth System Of Higher Education | Process control for liquid ventilation and related procedures |
US5392770A (en) * | 1993-06-29 | 1995-02-28 | Clawson; Burrell E. | Tubing circuit systems for humidified respiratory gas |
US5611952A (en) * | 1994-06-30 | 1997-03-18 | Jones; Thaddeus M. | Temperature sensor probe and sensor detection circuit |
US5522385A (en) * | 1994-09-27 | 1996-06-04 | Aradigm Corporation | Dynamic particle size control for aerosolized drug delivery |
JPH1028737A (ja) | 1996-07-16 | 1998-02-03 | Metoran:Kk | 加湿調整ユニット、人工呼吸器用加湿器及び加湿調整ユニットの製造方法 |
JP3748466B2 (ja) | 1996-08-23 | 2006-02-22 | 株式会社メトラン | 加湿調整ユニット及び加湿調整ユニットの製造方法 |
US5702624A (en) * | 1996-10-09 | 1997-12-30 | Taiwan Semiconductors Manfuacturing Company, Ltd | Compete hot plate temperature control system for hot treatment |
CA2617349C (fr) | 1997-06-17 | 2011-11-15 | Fisher & Paykel Healthcare Limited | Systeme d'humidification pour appareillage respiratoire |
US20040221844A1 (en) * | 1997-06-17 | 2004-11-11 | Hunt Peter John | Humidity controller |
US10130787B2 (en) | 1997-06-17 | 2018-11-20 | Fisher & Paykel Healthcare Limited | Humidity controller |
US6093916A (en) * | 1997-10-06 | 2000-07-25 | Canon Kabushiki Kaisha | Control device with first and second power control elements to control heater drive apparatus |
US6050552A (en) * | 1998-06-01 | 2000-04-18 | Hudson Respiratory Care Inc. | Humidifier assembly |
US8739780B2 (en) | 2005-08-15 | 2014-06-03 | Resmed Limited | Low cost CPAP flow generator and humidifier assembly |
US7383149B1 (en) * | 2006-04-19 | 2008-06-03 | Darryl Walker | Semiconductor device having variable parameter selection based on temperature and test method |
US7603249B1 (en) * | 2006-04-19 | 2009-10-13 | Darryl Walker | Semiconductor device having variable parameter selection based on temperature and test method |
US8196579B2 (en) * | 2007-08-29 | 2012-06-12 | Smiths Medical Asd, Inc. | Nose cannula heated/humidified gas delivery system |
US7777635B2 (en) * | 2007-10-29 | 2010-08-17 | Smiths Medical Asd, Inc. | Power failure management for respiratory system heater unit |
US7983542B2 (en) * | 2007-10-29 | 2011-07-19 | Smiths Medical Asd, Inc. | PID coefficient adjustment for respiratory heater closed loop control |
US9802022B2 (en) * | 2008-03-06 | 2017-10-31 | Resmed Limited | Humidification of respiratory gases |
DE102008016442A1 (de) * | 2008-03-31 | 2009-12-24 | Peter Huber Kältemaschinenbau GmbH | Vorrichtung und Verfahren zum Überwachen von beheizten Flüssigkeitsbädern auf Überhitzung und Trockengehen |
AU2014250602B2 (en) * | 2009-07-31 | 2016-09-08 | Resmed Limited | Wire Heated Tube with Temperature Control System, Protection for Humidifier for Respiratory Apparatus |
AU2010206053B2 (en) * | 2009-07-31 | 2014-08-07 | ResMed Pty Ltd | Wire Heated Tube with Temperature Control System, Tube Type Detection, and Active Over Temperature Protection for Humidifier for Respiratory Apparatus |
US20120167882A1 (en) * | 2010-12-29 | 2012-07-05 | Nellcor Puritan Bennett Llc | Temperature monitoring and control devices for tracheal tubes |
US8511651B2 (en) | 2011-03-29 | 2013-08-20 | Smiths Medical Asd, Inc. | Heater unit humidification chamber monitor |
EP3738638A1 (fr) | 2012-03-15 | 2020-11-18 | Fisher & Paykel Healthcare Limited | Système d'humidification de gaz respiratoire |
CN104619373B (zh) | 2012-04-27 | 2017-08-11 | 费雪派克医疗保健有限公司 | 用于呼吸增湿系统的可用性特征 |
NZ743034A (en) | 2013-02-01 | 2019-12-20 | ResMed Pty Ltd | Wire heated tube with temperature control system for humidifier for respiratory apparatus |
DE102013212478A1 (de) * | 2013-06-27 | 2014-12-31 | Robert Bosch Gmbh | Gassensor |
EP3043854B1 (fr) | 2013-09-13 | 2019-11-06 | Fisher & Paykel Healthcare Limited | Système d'humidification |
CN115671460A (zh) | 2013-09-13 | 2023-02-03 | 费雪派克医疗保健有限公司 | 用于加湿系统的连接 |
CN103611208B (zh) * | 2013-12-17 | 2016-02-24 | 山东省千佛山医院 | 一种婴幼儿温控湿化吸氧装置 |
ES2952715T3 (es) | 2013-12-20 | 2023-11-03 | Fisher & Paykel Healthcare Ltd | Conexiones de sistema de humidificación |
US10449319B2 (en) | 2014-02-07 | 2019-10-22 | Fisher & Paykel Healthcare Limited | Respiratory humidification system |
US9939330B2 (en) | 2014-03-28 | 2018-04-10 | Darryl G. Walker | Semiconductor device having subthreshold operating circuits including a back body bias potential based on temperature range |
WO2015167347A1 (fr) | 2014-05-02 | 2015-11-05 | Fisher & Paykel Healthcare Limited | Dispositif d'humidification de gaz |
EP3721932B1 (fr) | 2014-05-13 | 2024-01-31 | Fisher & Paykel Healthcare Limited | Fonctionnalités d'usabilité pour système d'humidification respiratoire |
WO2015187039A1 (fr) | 2014-06-03 | 2015-12-10 | Fisher & Paykel Healthcare Limited | Mélangeurs d'écoulement pour des systèmes de thérapie respiratoire |
US10085584B2 (en) * | 2014-06-09 | 2018-10-02 | Whirlpool Corporation | Method of regulating temperature for sous vide cooking and apparatus therefor |
US20160054378A1 (en) | 2014-08-20 | 2016-02-25 | Darryl G. Walker | Testing and setting performance parameters in a semiconductor device and method therefor |
US11278689B2 (en) | 2014-11-17 | 2022-03-22 | Fisher & Paykel Healthcare Limited | Humidification of respiratory gases |
US9613719B1 (en) | 2015-02-17 | 2017-04-04 | Darryl G. Walker | Multi-chip non-volatile semiconductor memory package including heater and sensor elements |
US10765821B2 (en) * | 2015-03-19 | 2020-09-08 | Altria Client Services Llc | Vaporizer for vaporizing a constituent of a plant material |
US10179215B2 (en) | 2015-03-19 | 2019-01-15 | Altria Client Services Llc | Vaporizer for vaporizing a constituent of a plant material |
JP6531605B2 (ja) * | 2015-10-07 | 2019-06-19 | オムロン株式会社 | 温度制御装置およびオートチューニング方法 |
JP7052989B2 (ja) * | 2017-09-20 | 2022-04-12 | 株式会社メトラン | 呼吸補助装置、呼吸補助方法 |
WO2018056356A1 (fr) * | 2016-09-26 | 2018-03-29 | 株式会社メトラン | Dispositif d'assistance respiratoire et procédé d'assistance respiratoire |
AU2017371480B2 (en) | 2016-12-07 | 2022-11-03 | Fisher And Paykel Healthcare Limited | Sensing arrangements for medical devices |
US11110306B2 (en) * | 2018-01-05 | 2021-09-07 | Carlos Alberto Estrada Montoya | Portable device for heating the air that enters the nose of a user |
USD916361S1 (en) | 2019-06-25 | 2021-04-13 | Altria Client Services Llc | Aerosol-generating capsule |
US11458262B2 (en) | 2019-06-25 | 2022-10-04 | Altria Client Services Llc | Capsules, heat-not-burn (HNB) aerosol-generating devices, and methods of generating an aerosol |
US12011034B2 (en) | 2021-01-18 | 2024-06-18 | Altria Client Services Llc | Capsules including embedded heaters and heat-not-burn (HNB) aerosol-generating devices |
US11789476B2 (en) | 2021-01-18 | 2023-10-17 | Altria Client Services Llc | Heat-not-burn (HNB) aerosol-generating devices including intra-draw heater control, and methods of controlling a heater |
US11910826B2 (en) | 2021-01-18 | 2024-02-27 | Altria Client Services Llc | Heat-not-burn (HNB) aerosol-generating devices and capsules |
CN116672556A (zh) * | 2023-07-25 | 2023-09-01 | 湖南比扬医疗科技有限公司 | 呼吸机输出功率的控制方法、装置、呼吸机及存储介质 |
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US2825791A (en) * | 1956-06-28 | 1958-03-04 | Combustion Eng | House heating unit using electrical heating elements novelly organized and controlled |
US3728058A (en) * | 1971-11-01 | 1973-04-17 | Gen Electric | Plastic melt temperature control |
US3863049A (en) * | 1972-05-31 | 1975-01-28 | Union Carbide Corp | Temperature control apparatus for a centrifugal-type chemistry analyzer |
GB1371400A (en) * | 1972-06-14 | 1974-10-23 | Camph Eng Co Ab | Method of heating blood |
GB1446412A (en) * | 1972-10-05 | 1976-08-18 | Lm Electronics Ltd | Heating apparatus |
US3903883A (en) * | 1974-04-17 | 1975-09-09 | Respiratory Care | Variable aerosol heater with automatic temperature control |
US3903395A (en) * | 1974-06-12 | 1975-09-02 | Gen Electric | Temperature control system |
US4091266A (en) * | 1975-04-08 | 1978-05-23 | Matsushita Electric Industrial Co., Ltd. | Electrical circuit for controlling a temperature of a heating element |
US4110419A (en) * | 1975-04-18 | 1978-08-29 | Respiratory Care, Inc. | High-volume disposable and semi-disposable cartridge humidifier with self-contained cartridge sterilizing means, and related method |
DE2702674C3 (de) * | 1977-01-24 | 1981-02-12 | Draegerwerk Ag, 2400 Luebeck | Atemgasbefeuchter |
US4167663A (en) * | 1977-01-24 | 1979-09-11 | Baxter Travenol Laboratories, Inc. | Blood warming apparatus |
US4121571A (en) * | 1977-01-28 | 1978-10-24 | Pickering Donald E | Transportable life support chamber, method and system |
FR2405610A1 (fr) * | 1977-10-07 | 1979-05-04 | Leboeuf Lola | Dispositif a plaques chauffantes electriques pour appareil de transfusion du sang |
IT1092077B (it) * | 1978-01-20 | 1985-07-06 | Bellco Spa | Macchina portatile per dialisi a rigenerazione |
US4192992A (en) * | 1978-06-29 | 1980-03-11 | Kolene Corporation | Electric heating assembly for a fused bath |
US4219725A (en) * | 1978-08-01 | 1980-08-26 | The Dow Chemical Company | Heating apparatus for vaporizing liquefied gases |
US4263501A (en) * | 1979-02-05 | 1981-04-21 | Lab-Line Instruments Inc. | Variable proportioning control apparatus |
US4314143A (en) * | 1979-06-29 | 1982-02-02 | Baxter Travenol Laboratories, Inc. | Blood warming apparatus with digital display and monitoring circuit |
US4300037A (en) * | 1979-09-04 | 1981-11-10 | Oxy Dental Prod. Inc. | Electronic control system for a radiant furnace |
US4248217A (en) * | 1979-10-30 | 1981-02-03 | Respiratory Care, Inc. | Inhalation heater control |
US4305388A (en) * | 1979-10-30 | 1981-12-15 | Respiratory Care, Inc. | Automatic inhalation temperature control |
US4291838A (en) * | 1979-12-26 | 1981-09-29 | C. R. Bard, Inc. | Nebulizer and associated heater |
US4322594A (en) * | 1980-06-27 | 1982-03-30 | Respiratory Care, Inc. | Temperature control system with alarm and shut down for non-tracking condition of dual thermometers |
-
1982
- 1982-10-29 US US06/437,562 patent/US4564748A/en not_active Expired - Lifetime
-
1983
- 1983-10-21 ZA ZA837869A patent/ZA837869B/xx unknown
- 1983-10-25 AU AU20542/83A patent/AU563079B2/en not_active Ceased
- 1983-10-25 MX MX199204A patent/MX157420A/es unknown
- 1983-10-25 DE DE3338650A patent/DE3338650C2/de not_active Expired - Fee Related
- 1983-10-27 SE SE8305895A patent/SE458422B/sv not_active IP Right Cessation
- 1983-10-27 BR BR8305949A patent/BR8305949A/pt not_active IP Right Cessation
- 1983-10-27 FR FR8317172A patent/FR2535484B1/fr not_active Expired
- 1983-10-28 CA CA000439981A patent/CA1218730A/fr not_active Expired
- 1983-10-28 DK DK496583A patent/DK168938B1/da not_active IP Right Cessation
- 1983-10-28 ES ES526855A patent/ES8407220A1/es not_active Expired
- 1983-10-28 BE BE0/211792A patent/BE898116A/fr not_active IP Right Cessation
- 1983-10-28 NL NL8303735A patent/NL192636C/nl not_active IP Right Cessation
- 1983-10-29 JP JP58203589A patent/JPS59151967A/ja active Granted
- 1983-10-31 GB GB08329037A patent/GB2130401B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2130401B (en) | 1987-01-28 |
JPS59151967A (ja) | 1984-08-30 |
BR8305949A (pt) | 1984-06-05 |
JPH0438434B2 (fr) | 1992-06-24 |
DE3338650A1 (de) | 1984-05-03 |
SE458422B (sv) | 1989-04-03 |
DK496583D0 (da) | 1983-10-28 |
CA1218730A (fr) | 1987-03-03 |
ES526855A0 (es) | 1984-08-16 |
FR2535484A1 (fr) | 1984-05-04 |
GB2130401A (en) | 1984-05-31 |
NL192636B (nl) | 1997-07-01 |
SE8305895L (sv) | 1984-04-30 |
DK168938B1 (da) | 1994-07-18 |
SE8305895D0 (sv) | 1983-10-27 |
FR2535484B1 (fr) | 1987-08-21 |
US4564748A (en) | 1986-01-14 |
NL8303735A (nl) | 1984-05-16 |
DE3338650C2 (de) | 1995-04-27 |
ES8407220A1 (es) | 1984-08-16 |
DK496583A (da) | 1984-04-30 |
AU2054283A (en) | 1984-05-03 |
AU563079B2 (en) | 1987-06-25 |
ZA837869B (en) | 1984-06-27 |
BE898116A (fr) | 1984-04-30 |
MX157420A (es) | 1988-10-21 |
GB8329037D0 (en) | 1983-11-30 |
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