NL7308972A - - Google Patents
Info
- Publication number
- NL7308972A NL7308972A NL7308972A NL7308972A NL7308972A NL 7308972 A NL7308972 A NL 7308972A NL 7308972 A NL7308972 A NL 7308972A NL 7308972 A NL7308972 A NL 7308972A NL 7308972 A NL7308972 A NL 7308972A
- Authority
- NL
- Netherlands
- Prior art keywords
- flow
- conduit
- general direction
- membrane
- fluid
- Prior art date
Links
- 239000012530 fluid Substances 0.000 abstract 4
- 239000012528 membrane Substances 0.000 abstract 3
- 239000008280 blood Substances 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 abstract 1
- 238000000502 dialysis Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006213 oxygenation reaction Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/26—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving
- A61M1/267—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving used for pumping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/28—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0087—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall with flexible plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/08—Tubular elements crimped or corrugated in longitudinal section
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1698—Blood oxygenators with or without heat-exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/04—Reciprocation, oscillation or vibration
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Urology & Nephrology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Geometry (AREA)
- Water Supply & Treatment (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3028872 | 1972-06-28 | ||
GB1511773*[A GB1442754A (en) | 1972-06-28 | 1973-03-29 | Apparatus for and method of effecting heat or mass transfer berween fluids |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7308972A true NL7308972A (fr) | 1974-01-02 |
NL177800B NL177800B (nl) | 1985-07-01 |
NL177800C NL177800C (nl) | 1985-12-02 |
Family
ID=26251066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7308972,A NL177800C (nl) | 1972-06-28 | 1973-06-27 | Werkwijze en inrichting voor het verschaffen van massaoverdracht door een half doorlatend membraan. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4075091A (fr) |
JP (1) | JPS5615923B2 (fr) |
CA (1) | CA1021698A (fr) |
DE (1) | DE2332944A1 (fr) |
FR (1) | FR2190512B1 (fr) |
GB (1) | GB1442754A (fr) |
NL (1) | NL177800C (fr) |
SE (1) | SE405207B (fr) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5123484A (ja) * | 1974-08-22 | 1976-02-25 | Nitto Electric Ind Co | Yoekibunrisochi |
JPS5528270Y2 (fr) * | 1975-01-31 | 1980-07-05 | ||
DE2622684B2 (de) * | 1976-05-21 | 1979-03-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Membranaustauscher |
JPS53128581A (en) * | 1977-04-15 | 1978-11-09 | Fuji System | Gas exchange apparatus |
JPS5450196A (en) * | 1977-09-28 | 1979-04-19 | Kato Isamu | Method of dialyzing blood in artificial kidney |
NL7907211A (nl) * | 1978-10-02 | 1980-04-08 | Akzo Nv | Dialysemembraan uit holle vezel met golvingen in de lengterichting. |
WO1980000920A1 (fr) * | 1978-11-08 | 1980-05-15 | B Bellhouse | Ensemble a membrane de transfert |
GB2048114B (en) * | 1978-11-22 | 1983-02-09 | Bellhouse Brian John | Transfer membrane apparatus |
US4383921A (en) * | 1979-11-21 | 1983-05-17 | Bellhouse Brian John | Apparatus for heat or mass transfer |
JPS5825167A (ja) * | 1981-07-22 | 1983-02-15 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | 反復ぜん動「ろ」過による血漿搬出法 |
US4735726A (en) * | 1981-07-22 | 1988-04-05 | E. I. Du Pont De Nemours And Company | Plasmapheresis by reciprocatory pulsatile filtration |
US4753733A (en) * | 1981-10-02 | 1988-06-28 | E. I. Du Pont De Nemours And Company | Plasmapheresis method and apparatus for overcoming membrane fouling |
US4769150A (en) * | 1982-02-16 | 1988-09-06 | E. I. Du Pont De Nemours And Company | Method and apparatus for plasmapheresis by reciprocatory pulsatile filtration |
US4636312A (en) * | 1982-02-16 | 1987-01-13 | E. I. Du Pont De Nemours And Company | Plasmapheresis filtration module having improved end plate |
US4668399A (en) * | 1982-02-16 | 1987-05-26 | E. I. Du Pont De Nemours And Company | Hollow fiber plasmapheresis process |
US4639317A (en) * | 1982-02-16 | 1987-01-27 | E. I. Du Pont De Nemours And Company | Plasmapheresis filtration module having improved sealing means |
US4640776A (en) * | 1982-02-16 | 1987-02-03 | E. I. Du Pont De Nemours And Company | Plasmapheresis filtration module having pressure balancing and sealing means |
JPS60500006A (ja) * | 1982-12-07 | 1985-01-10 | ベルハウス ブリアン ジヨン | 伝達膜装置 |
ATE28797T1 (de) * | 1982-12-07 | 1987-08-15 | Brian John Bellhouse | Vorrichtung zur uebertragung mit einer membran. |
JPS6032024U (ja) * | 1983-08-09 | 1985-03-05 | 株式会社 細川洋行 | 容器成形用シ−ト |
US4790942A (en) * | 1983-12-20 | 1988-12-13 | Membrex Incorporated | Filtration method and apparatus |
FR2563443B1 (fr) * | 1984-04-27 | 1990-03-23 | Centre Nat Rech Scient | Procede et dispositif de separation par ultrafiltration de substances en solution ou en suspension, application a la plasmapherese |
GB8516344D0 (en) * | 1985-06-28 | 1985-07-31 | Brunold C R | Mixing apparatus & processes |
SE461895B (sv) * | 1986-04-10 | 1990-04-09 | Data Promeditech Inc | Anordning foer jon-, molekyl-, gas-, vaetske- och/eller vaermeutbyte mellan fluider |
JPS62190609U (fr) * | 1986-05-24 | 1987-12-04 | ||
US4968422A (en) * | 1986-06-23 | 1990-11-06 | Runge Thomas M | Pulsatile flow hemodialysis |
GB8628724D0 (en) * | 1986-12-02 | 1987-01-07 | Bellhouse Brian John | Bioreactor |
GB8817793D0 (en) * | 1988-07-26 | 1988-09-01 | British Petroleum Co Plc | Mixing apparatus |
US5217627A (en) * | 1990-11-06 | 1993-06-08 | Pall Corporation | System and method for processing biological fluid |
CA2074671A1 (fr) * | 1991-11-04 | 1993-05-05 | Thomas Bormann | Dispositif et methode permettant de separer le plasma d'un liquide biologique |
GB9311988D0 (en) * | 1993-06-10 | 1993-07-28 | Pall Corp | Device and method for separating plasma from a blood product |
US20020057989A1 (en) | 1998-05-15 | 2002-05-16 | Thomas A. Afzal | Integrated blood oxygenator and pump system having active blood oxygenator |
US6379618B1 (en) | 1998-12-30 | 2002-04-30 | Cardiovention, Inc. | Integrated blood oxygenator and pump system having means for reducing microbubble generation |
US6224829B1 (en) | 1998-12-30 | 2001-05-01 | Cadiovention, Inc. | Integrated blood oxygenator and pump system having means for reducing fiber breakage |
US6428747B1 (en) | 1998-12-30 | 2002-08-06 | Cardiovention, Inc. | Integrated extracorporeal blood oxygenator, pump and heat exchanger system |
US6454999B1 (en) | 1998-12-30 | 2002-09-24 | Cardiovention, Inc. | Integrated blood pump and oxygenator system having extended blood flow path |
US6368557B1 (en) | 1998-12-30 | 2002-04-09 | Cardiovention, Inc. | Integrated blood oxygenator and pump system having means for reducing manifold flooding |
GB9923626D0 (en) * | 1999-10-07 | 1999-12-08 | Univ Newcastle | Novel porous element and use thereof |
NL1020483C1 (nl) * | 2002-04-26 | 2003-10-28 | Oxycell Holding Bv | Warmtewisselaar en werkwijze voor het vervaardigen daarvan. |
AU2003250504A1 (en) * | 2002-06-21 | 2004-01-06 | Michael Connolly | A heat exchanger |
WO2004064622A2 (fr) * | 2003-01-15 | 2004-08-05 | Medcool Inc. | Procede et appareil pour le controle de la temperature chez un patient |
DE102005018050A1 (de) * | 2005-04-19 | 2006-10-26 | Liebherr-Aerospace Lindenberg Gmbh | Luftwärmetauscher |
DE102005031582A1 (de) * | 2005-07-06 | 2007-01-11 | Maquet Cardiopulmonary Ag | Vorrichtung zur Behandlung von Blut in einem extrakorporalen Blutkreislauf |
US20070295651A1 (en) * | 2006-06-26 | 2007-12-27 | Martinez F Jesus | Dialysis bag system |
US8834911B2 (en) * | 2006-11-15 | 2014-09-16 | Georgia Tech Research Corporation | Flow manipulation in biological flows using vortex generators |
DE102008019828A1 (de) | 2008-04-19 | 2009-10-29 | Solarnext Ag | Folienwärmetauscher |
US12089589B2 (en) | 2009-10-12 | 2024-09-17 | Hemanext Inc. | Irradiation of red blood cells and anaerobic storage |
US11284616B2 (en) | 2010-05-05 | 2022-03-29 | Hemanext Inc. | Irradiation of red blood cells and anaerobic storage |
US9199016B2 (en) | 2009-10-12 | 2015-12-01 | New Health Sciences, Inc. | System for extended storage of red blood cells and methods of use |
CN103180032A (zh) * | 2010-05-26 | 2013-06-26 | 查尔斯斯塔克布料实验室公司 | 微制造的人造肺辅助装置及其使用和制造方法 |
US20140090818A1 (en) * | 2011-05-23 | 2014-04-03 | Ramot At Tel-Aviv University Ltd. | Heat exchanger device |
AU2012347922B2 (en) * | 2011-12-05 | 2017-12-21 | The Charles Stark Draper Laboratory, Inc. | Method for reducing the blood priming volume and membrane surface area in microfluidic lung assist devices |
EP2961269B1 (fr) * | 2013-02-28 | 2021-09-15 | Hemanext Inc. | Dispositif d'appauvrissement de gaz dans les produits sanguins |
WO2015056156A1 (fr) | 2013-10-14 | 2015-04-23 | Universidade Do Porto | Appareil de mélange basé sur des réacteurs à flux oscillatoire dotés d'étranglements périodiques souples |
JP2017513625A (ja) | 2014-04-23 | 2017-06-01 | ザ チャールズ スターク ドレイパー ラボラトリー インク | 血液酸素供給器 |
WO2016145210A1 (fr) | 2015-03-10 | 2016-09-15 | New Health Sciences, Inc. | Kits jetables de réduction des niveaux d'oxygène, dispositifs et procédés d'utilisation de ceux-ci |
KR20240067253A (ko) | 2015-04-23 | 2024-05-16 | 헤마넥스트 인코포레이티드 | 혐기성 혈액 저장 용기 |
AU2016264327B2 (en) | 2015-05-18 | 2021-12-23 | Hemanext Inc. | Methods for the storage of whole blood, and compositions thereof |
IL303240A (en) | 2016-05-27 | 2023-07-01 | Hemanext Inc | Anaerobic blood storage and pathogen inactivation method |
US10843136B2 (en) * | 2018-08-20 | 2020-11-24 | Hamilton Sundstrand Corporation | Selectively permeable membrane devices |
CN117427596B (zh) * | 2023-12-20 | 2024-03-19 | 广东林工工业装备有限公司 | 一种用于生产半导体材料的可视化反应釜 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1257087A (fr) * | 1960-02-15 | 1961-03-31 | Commissariat Energie Atomique | Perfectionnements apportés aux dispositifs pour la séparation de fluides par diffusion à travers une paroi poreuse |
FR1298382A (fr) * | 1961-05-29 | 1962-07-13 | échangeur de chaleur avec corps déflecteurs bulbes | |
GB1064693A (en) * | 1963-03-29 | 1967-04-05 | Single Cell Res Foundation Inc | Method of and apparatus for diffusion |
GB1160433A (en) * | 1966-05-24 | 1969-08-06 | Bell S Medical Products Ltd | Improvements in or relating to Valveless Pumps. |
NL6908677A (fr) * | 1968-06-08 | 1969-12-10 | ||
FR1592863A (fr) * | 1968-11-22 | 1970-05-19 | ||
US3648754A (en) * | 1969-07-28 | 1972-03-14 | Hugo H Sephton | Vortex flow process and apparatus for enhancing interfacial surface and heat and mass transfer |
FR2101484A5 (fr) * | 1970-08-28 | 1972-03-31 | Gen Electric | |
US3661721A (en) * | 1971-02-05 | 1972-05-09 | Pactide Corp | Compact multistage distillation apparatus having stacked microporous membranes and impermeable films |
NL7204326A (fr) * | 1971-03-30 | 1972-10-03 | ||
GB1298072A (en) * | 1969-06-18 | 1972-11-29 | Apv Co Ltd | Improvements in or relating to the treatment of liquids |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US912007A (en) * | 1908-02-06 | 1909-02-09 | Niagara Machine & Tool Works | Machine for punching disks, rings, &c. |
US3060934A (en) * | 1960-03-24 | 1962-10-30 | Claff Clarence Lloyd | Membrane-type oxygenator |
US3342729A (en) * | 1964-12-09 | 1967-09-19 | Dow Chemical Co | Permeability separatory cell and apparatus and method of using the same |
AT295479B (de) * | 1968-06-08 | 1972-01-10 | Geigy Ag J R | Multigegenstromaustauscher |
FR1597874A (fr) * | 1968-12-16 | 1970-06-29 | ||
LU59061A1 (fr) * | 1969-07-08 | 1969-11-18 | ||
DK123074B (da) * | 1970-07-13 | 1972-05-15 | Inst Produktudvikling | Understøtningsplade for membranerne i en dialysator, navnlig til hæmodialyse. |
FR2131144A5 (fr) * | 1971-04-13 | 1972-11-10 | Rhone Poulenc Sa | |
FR2535214B1 (fr) * | 1982-10-28 | 1987-06-12 | Hospal Ind | Intercalaire pour appareil a membranes |
-
1973
- 1973-03-29 GB GB1511773*[A patent/GB1442754A/en not_active Expired
- 1973-06-19 CA CA174,458A patent/CA1021698A/fr not_active Expired
- 1973-06-27 NL NLAANVRAGE7308972,A patent/NL177800C/xx active Search and Examination
- 1973-06-27 FR FR7323541A patent/FR2190512B1/fr not_active Expired
- 1973-06-27 SE SE7309076A patent/SE405207B/xx unknown
- 1973-06-27 JP JP7326173A patent/JPS5615923B2/ja not_active Expired
- 1973-06-28 DE DE2332944A patent/DE2332944A1/de active Granted
-
1975
- 1975-04-29 US US05/572,826 patent/US4075091A/en not_active Expired - Lifetime
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1257087A (fr) * | 1960-02-15 | 1961-03-31 | Commissariat Energie Atomique | Perfectionnements apportés aux dispositifs pour la séparation de fluides par diffusion à travers une paroi poreuse |
FR1298382A (fr) * | 1961-05-29 | 1962-07-13 | échangeur de chaleur avec corps déflecteurs bulbes | |
GB1064693A (en) * | 1963-03-29 | 1967-04-05 | Single Cell Res Foundation Inc | Method of and apparatus for diffusion |
GB1160433A (en) * | 1966-05-24 | 1969-08-06 | Bell S Medical Products Ltd | Improvements in or relating to Valveless Pumps. |
NL6908677A (fr) * | 1968-06-08 | 1969-12-10 | ||
FR1592863A (fr) * | 1968-11-22 | 1970-05-19 | ||
GB1298072A (en) * | 1969-06-18 | 1972-11-29 | Apv Co Ltd | Improvements in or relating to the treatment of liquids |
US3648754A (en) * | 1969-07-28 | 1972-03-14 | Hugo H Sephton | Vortex flow process and apparatus for enhancing interfacial surface and heat and mass transfer |
FR2101484A5 (fr) * | 1970-08-28 | 1972-03-31 | Gen Electric | |
US3661721A (en) * | 1971-02-05 | 1972-05-09 | Pactide Corp | Compact multistage distillation apparatus having stacked microporous membranes and impermeable films |
NL7204326A (fr) * | 1971-03-30 | 1972-10-03 |
Also Published As
Publication number | Publication date |
---|---|
NL177800B (nl) | 1985-07-01 |
US4075091A (en) | 1978-02-21 |
SE405207B (sv) | 1978-11-27 |
DE2332944A1 (de) | 1974-01-10 |
CA1021698A (fr) | 1977-11-29 |
JPS5615923B2 (fr) | 1981-04-13 |
FR2190512B1 (fr) | 1980-04-18 |
DE2332944C2 (fr) | 1987-10-22 |
NL177800C (nl) | 1985-12-02 |
FR2190512A1 (fr) | 1974-02-01 |
JPS4952780A (fr) | 1974-05-22 |
GB1442754A (en) | 1976-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
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