FR2068823A1 - - Google Patents
Info
- Publication number
- FR2068823A1 FR2068823A1 FR7041344A FR7041344A FR2068823A1 FR 2068823 A1 FR2068823 A1 FR 2068823A1 FR 7041344 A FR7041344 A FR 7041344A FR 7041344 A FR7041344 A FR 7041344A FR 2068823 A1 FR2068823 A1 FR 2068823A1
- Authority
- FR
- France
- 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.)
- Granted
Links
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
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/067—Heating or cooling the reactor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G5/00—Controlling superheat temperature
- F22G5/16—Controlling superheat temperature by indirectly cooling or heating the superheated steam in auxiliary enclosed heat-exchanger
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
- B01J2208/00221—Plates; Jackets; Cylinders comprising baffles for guiding the flow of the heat exchange medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00092—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00099—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor the reactor being immersed in the heat exchange medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00777—Baffles attached to the reactor wall horizontal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
- F28F2009/224—Longitudinal partitions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
- F28F2009/226—Transversal partitions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/06—Derivation channels, e.g. bypass
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Polymerisation Methods In General (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691963394 DE1963394A1 (de) | 1969-12-18 | 1969-12-18 | Kuehler fuer den Durchlauf einer regelbaren Teilmenge des in einem Reaktionsbehaelter umgewaelzten Waermetraegers |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2068823A1 true FR2068823A1 (de) | 1971-09-03 |
FR2068823B1 FR2068823B1 (de) | 1975-02-21 |
Family
ID=5754208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7041344A Expired FR2068823B1 (de) | 1969-12-18 | 1970-11-18 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3760870A (de) |
AT (1) | AT317851B (de) |
BE (1) | BE759016A (de) |
DE (1) | DE1963394A1 (de) |
FR (1) | FR2068823B1 (de) |
GB (1) | GB1319666A (de) |
NL (1) | NL7018263A (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2369501A1 (fr) * | 1976-10-23 | 1978-05-26 | Babcock Brown Boveri Reaktor | Dispositif d'equilibrage de pression dans un generateur de vapeur d'u |
FR2525735A1 (fr) * | 1982-04-22 | 1983-10-28 | Stal Laval Apparat Ab | Surchauffeur intermediaire |
FR2655876A1 (fr) * | 1989-12-19 | 1991-06-21 | Pecquet Tesson Soc Ind | Reacteur pour reactions chimiques a catalyseurs. |
WO1997037189A1 (en) * | 1996-04-03 | 1997-10-09 | Cabot Corporation | Improved heat exchanger |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2556478C2 (de) * | 1975-12-16 | 1985-11-28 | Wende & Malter GmbH, 5810 Witten | Kühlvorrichtung |
US4050627A (en) * | 1976-08-20 | 1977-09-27 | Kimball Of Minnesota, Inc. | Adjustable heat recovery system for flue stacks |
US4127389A (en) * | 1977-04-04 | 1978-11-28 | Pullman Incorporated | Exchanger reactor |
DE3419442A1 (de) * | 1983-05-25 | 1984-12-20 | Kogata Gasu Reibo-gijutsu Kenkyu Kumiai, Tokio/Tokyo | Waermetauscher |
US5615738A (en) * | 1994-06-29 | 1997-04-01 | Cecebe Technologies Inc. | Internal bypass valve for a heat exchanger |
US6161613A (en) * | 1996-11-21 | 2000-12-19 | Carrier Corporation | Low pressure drop heat exchanger |
DE59705073D1 (de) * | 1997-03-14 | 2001-11-29 | Borsig Babcock Ag | Wärmetauscher mit U-Rohren |
DE19836792A1 (de) | 1998-08-13 | 2000-02-17 | Basf Ag | Reaktor mit einem Kontaktrohrbündel |
DE19848780C1 (de) * | 1998-10-22 | 2000-05-25 | Krauss Maffei Kunststofftech | Homogenisier- und Temperierbehälter |
US6167951B1 (en) | 1999-01-26 | 2001-01-02 | Harold Thompson Couch | Heat exchanger and method of purifying and detoxifying water |
DE10024342A1 (de) | 2000-05-17 | 2001-11-22 | Basf Ag | Gegenstrom-Reaktor mit einem Kontaktrohrbündel |
AU2002358695A1 (en) * | 2002-12-12 | 2004-06-30 | Man Dwe Gmbh | Jacketed tube reactor comprising a bypass line for the heat transfer medium |
DE112005001089T5 (de) * | 2004-05-11 | 2007-05-03 | Modine Manufacturing Co., Racine | Integrierte Wärmetauscher- und Schalldämpfer-Einheit |
AU2004323215A1 (en) * | 2004-09-15 | 2006-03-23 | Nomura Reinetsu Yugengaisha | Heat exchanger and superheated steam generating device using the same |
US20060169446A1 (en) * | 2005-02-01 | 2006-08-03 | Ming Kun Chien | Evaporator |
DE102005041149A1 (de) * | 2005-07-19 | 2007-02-01 | Behr Gmbh & Co. Kg | Wärmeübertragerventileinrichtung |
EP3252128B1 (de) | 2006-04-03 | 2019-01-02 | Pharmatherm Chemicals Inc. | Thermales extrationsverfahren zur herstellung eines taxanextrakts |
CN102575895A (zh) * | 2009-04-01 | 2012-07-11 | 西门子公司 | 用于具有回热的工艺气体设备的压缩机系统以及用于二氧化碳气体分离的工艺气体设备 |
DE102010014643A1 (de) * | 2010-04-12 | 2011-10-13 | Man Diesel & Turbo Se | Rohrbündelreaktor |
US20110259574A1 (en) * | 2010-04-23 | 2011-10-27 | Alstom Technology Ltd | Adjustable heat exchanger |
US20110284359A1 (en) | 2010-05-20 | 2011-11-24 | Uop Llc | Processes for controlling afterburn in a reheater and for controlling loss of entrained solid particles in combustion product flue gas |
US8499702B2 (en) | 2010-07-15 | 2013-08-06 | Ensyn Renewables, Inc. | Char-handling processes in a pyrolysis system |
US9441887B2 (en) | 2011-02-22 | 2016-09-13 | Ensyn Renewables, Inc. | Heat removal and recovery in biomass pyrolysis |
ES2893850T3 (es) * | 2011-03-17 | 2022-02-10 | Nestle Sa | Sistemas y métodos para el intercambio de calor |
US9347005B2 (en) | 2011-09-13 | 2016-05-24 | Ensyn Renewables, Inc. | Methods and apparatuses for rapid thermal processing of carbonaceous material |
US10400175B2 (en) * | 2011-09-22 | 2019-09-03 | Ensyn Renewables, Inc. | Apparatuses and methods for controlling heat for rapid thermal processing of carbonaceous material |
US10041667B2 (en) | 2011-09-22 | 2018-08-07 | Ensyn Renewables, Inc. | Apparatuses for controlling heat for rapid thermal processing of carbonaceous material and methods for the same |
DE102011084476A1 (de) | 2011-10-13 | 2013-04-18 | Man Diesel & Turbo Se | Rohrbündelreaktor |
DE102011121543A1 (de) | 2011-10-13 | 2013-04-18 | Man Diesel & Turbo Se | Rohrbündelreaktor |
US9109177B2 (en) | 2011-12-12 | 2015-08-18 | Ensyn Renewables, Inc. | Systems and methods for renewable fuel |
US9670413B2 (en) | 2012-06-28 | 2017-06-06 | Ensyn Renewables, Inc. | Methods and apparatuses for thermally converting biomass |
DE102012023527B4 (de) * | 2012-11-30 | 2020-08-06 | Man Energy Solutions Se | Rohrbündelreaktor |
WO2014126592A1 (en) * | 2013-02-18 | 2014-08-21 | Poole Ventura, Inc. | Thermal diffusion chamber with cooling tubes |
US9739194B2 (en) * | 2013-03-04 | 2017-08-22 | Ford Global Technologies, Llc | Charge-air intercooler system with integrated heating device |
WO2014210150A1 (en) | 2013-06-26 | 2014-12-31 | Ensyn Renewables, Inc. | Systems and methods for renewable fuel |
CN106461344B (zh) | 2014-05-13 | 2019-03-01 | 气体产品与化学公司 | 用于冷却合成气体的热交换装置及其组装方法 |
US9568229B2 (en) * | 2014-07-14 | 2017-02-14 | Hani Toma | Evaporator with heat exchange |
US11306978B2 (en) * | 2014-09-05 | 2022-04-19 | 2078095 Ontario Limited | Heat recovery apparatus and method |
EP3344929B1 (de) * | 2015-07-13 | 2024-01-10 | Fulton Group N.A., Inc. | Abgaskrümmer für hocheffizientes flüssigkeitserhitzungssystem |
US10337726B2 (en) | 2015-08-21 | 2019-07-02 | Ensyn Renewables, Inc. | Liquid biomass heating system |
MY193949A (en) | 2016-12-29 | 2022-11-02 | Ensyn Renewables Inc | Demetallization Of Liquid Biomass |
EP3640575B1 (de) * | 2018-10-15 | 2022-12-07 | Wieland Provides S.r.l. | Vertikaler wärmetauscher |
US11859832B2 (en) | 2021-06-22 | 2024-01-02 | 2078095 Ontario Limited | Gray water heat recovery apparatus and method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1214344A (fr) * | 1957-11-12 | 1960-04-07 | Babcock & Wilcox France | Perfectionnements aux installations de production et d'utilisation de chaleur |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1812458A (en) * | 1927-07-26 | 1931-06-30 | Babcock & Wilcox Co | Air heater |
US1934496A (en) * | 1928-10-10 | 1933-11-07 | Lloyd C Glisson | Water heater |
US2132093A (en) * | 1937-01-14 | 1938-10-04 | C H Wheeler Mfg Co | Liquid heater |
US2581121A (en) * | 1947-12-23 | 1952-01-01 | Standard Oil Dev Co | Means for changing baffle pitch in a heat exchanger |
-
0
- BE BE759016D patent/BE759016A/xx unknown
-
1969
- 1969-12-18 DE DE19691963394 patent/DE1963394A1/de active Pending
-
1970
- 1970-11-02 AT AT984170A patent/AT317851B/de not_active IP Right Cessation
- 1970-11-18 FR FR7041344A patent/FR2068823B1/fr not_active Expired
- 1970-11-23 GB GB5553570A patent/GB1319666A/en not_active Expired
- 1970-12-04 US US00095207A patent/US3760870A/en not_active Expired - Lifetime
- 1970-12-15 NL NL7018263A patent/NL7018263A/xx unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1214344A (fr) * | 1957-11-12 | 1960-04-07 | Babcock & Wilcox France | Perfectionnements aux installations de production et d'utilisation de chaleur |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2369501A1 (fr) * | 1976-10-23 | 1978-05-26 | Babcock Brown Boveri Reaktor | Dispositif d'equilibrage de pression dans un generateur de vapeur d'u |
FR2525735A1 (fr) * | 1982-04-22 | 1983-10-28 | Stal Laval Apparat Ab | Surchauffeur intermediaire |
FR2655876A1 (fr) * | 1989-12-19 | 1991-06-21 | Pecquet Tesson Soc Ind | Reacteur pour reactions chimiques a catalyseurs. |
WO1997037189A1 (en) * | 1996-04-03 | 1997-10-09 | Cabot Corporation | Improved heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
GB1319666A (en) | 1973-06-06 |
BE759016A (fr) | 1971-04-30 |
US3760870A (en) | 1973-09-25 |
AT317851B (de) | 1974-09-25 |
FR2068823B1 (de) | 1975-02-21 |
NL7018263A (de) | 1971-06-22 |
DE1963394A1 (de) | 1971-07-01 |
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Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |