GB1223896A - Wall member - Google Patents
Wall memberInfo
- Publication number
- GB1223896A GB1223896A GB32045/68A GB3204568A GB1223896A GB 1223896 A GB1223896 A GB 1223896A GB 32045/68 A GB32045/68 A GB 32045/68A GB 3204568 A GB3204568 A GB 3204568A GB 1223896 A GB1223896 A GB 1223896A
- Authority
- GB
- United Kingdom
- Prior art keywords
- space
- medium
- exchanger
- adjacent
- lighttransmitting
- 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
Links
Classifications
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
- F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
- E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
- F24D3/14—Tube and panel arrangements for ceiling, wall, or underfloor heating incorporated in a ceiling, wall or floor
- F24D3/145—Convecting elements concealed in wall or floor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
- F24D3/14—Tube and panel arrangements for ceiling, wall, or underfloor heating incorporated in a ceiling, wall or floor
- F24D3/147—Tube and panel arrangements for ceiling, wall, or underfloor heating incorporated in a ceiling, wall or floor arranged in facades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0075—Systems using thermal walls, e.g. double window
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B2007/026—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with air flow between panes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Architecture (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Central Heating Systems (AREA)
- Blinds (AREA)
- Laminated Bodies (AREA)
Abstract
1,223,896. Heating and cooling windows. SULZER BROS. Ltd. 4 July, 1968 [4 July, 1967], No. 32045/68. Heading F4S. A double-glazed window forming at least part of a wall member comprises heat exchangers 5a, 5b located respectively adjacent the top and bottom of the space 4 enclosed by the lighttransmitting walls and arranged so that in operation the upper exchanger surfaces cool the light-transmitting medium in the space and the lower surfaces, in another operative condition, heat the medium. The space may be completely closed, or communication with ambient atmosphere via a pressure-equalizing orifice housing a filter and/or siccative, or the space may be open to atmosphere. The heat exchanger may be formed as shown in two parts, or a single exchanger may be mounted vertically to extend from top to bottom in the space, adjacent one side of the space, or single exchangers may be arranged horizontally adjacent the top and bottom. Apertured deflectors 9, 10, 11 are mounted in the spaec to distribute the medium throughout the space and vertical lighttransmitting partitions which may be of doubleconstruction, may be mounted in the space to form sections through which the medium can flow consecutively. Venetian blinds may be mounted within or separated from the space.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH961167A CH475467A (en) | 1967-07-04 | 1967-07-04 | Wall part |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1223896A true GB1223896A (en) | 1971-03-03 |
Family
ID=4353784
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32045/68A Expired GB1223896A (en) | 1967-07-04 | 1968-07-04 | Wall member |
GB32042/68A Expired GB1224384A (en) | 1967-07-04 | 1968-07-04 | Wall member |
GB32043/68A Expired GB1224385A (en) | 1967-07-04 | 1968-07-04 | Wall member |
GB32044/68A Expired GB1224386A (en) | 1967-07-04 | 1968-07-04 | Wall member |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32042/68A Expired GB1224384A (en) | 1967-07-04 | 1968-07-04 | Wall member |
GB32043/68A Expired GB1224385A (en) | 1967-07-04 | 1968-07-04 | Wall member |
GB32044/68A Expired GB1224386A (en) | 1967-07-04 | 1968-07-04 | Wall member |
Country Status (10)
Country | Link |
---|---|
US (1) | US3590913A (en) |
AT (2) | AT298742B (en) |
BE (4) | BE717514A (en) |
CH (4) | CH476197A (en) |
DE (2) | DE1778857B1 (en) |
ES (2) | ES355737A1 (en) |
FR (4) | FR1573448A (en) |
GB (4) | GB1223896A (en) |
NL (4) | NL6809415A (en) |
NO (1) | NO123659B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4024143A1 (en) * | 1990-07-30 | 1992-02-06 | Koester Helmut | Insulated glass assembly - has flow channels at profiled distance holders between glass panes for heating or cooling medium to flow between them |
CN116608533A (en) * | 2023-07-17 | 2023-08-18 | 廊坊康平空调制造有限公司 | Large-scale hangar air isolation system and application method thereof |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4024726A (en) * | 1975-04-11 | 1977-05-24 | Enercon West | Solar heat trap for building windows |
DE2706968C3 (en) * | 1977-02-18 | 1982-03-11 | Schmidt Reuter Ingenieurgesellschaft mbH & Co KG, 5000 Köln | Component with window for a facade |
US4397121A (en) * | 1977-07-28 | 1983-08-09 | Dunsmore Howard L | Method and apparatus for reducing the rate of heat transfer |
US4224771A (en) * | 1977-07-28 | 1980-09-30 | Dunsmore Howard L | Method and apparatus for reducing the rate of heat transfer |
DE2754166A1 (en) * | 1977-10-06 | 1979-04-12 | Rainer Ehrke | HEATING AND AIR CONDITIONING SYSTEM |
DE2807421A1 (en) * | 1978-02-22 | 1979-08-23 | Eltreva Ag | DEVICE FOR AIR CONDITIONING A CLOSED ROOM |
IT1103981B (en) * | 1978-02-24 | 1985-10-14 | Roli Antonio | METHOD AND SYSTEM FOR HEATING AND OR CONDITIONING OF ENVIRONMENTS |
FR2445936A2 (en) * | 1979-01-02 | 1980-08-01 | Pernet Gilbert | Solar collector for domestic use - with translucent back panel mounted between lintels fitting into wall and incorporating heat transfer fluid tank |
AT377328B (en) * | 1979-10-22 | 1985-03-11 | Gilli Paul Viktor Dipl Ing Dr | AERIAL WINDOW |
DE3022522A1 (en) * | 1980-06-16 | 1981-12-24 | Johann Baptist 6530 Bingen Pfeiffer | Double glazed building or vehicle window - has bottom air intake and top outlet duct with heat exchanger |
DE3110082A1 (en) * | 1981-03-16 | 1982-09-30 | Andreas 3320 Salzgitter Möhlenhoff | Convector |
SE441535B (en) * | 1982-03-08 | 1985-10-14 | Future Energy Ab | DEVICE INNER PANEL FOR ELIMINATING COLD RADIATION |
FR2572456B1 (en) * | 1984-10-31 | 1988-04-22 | Comparon Jean Daniel | AUTOMATIC AERATION WINDOW. |
EP0223241B1 (en) * | 1985-11-18 | 1991-08-07 | Hans-Joachim Eckert | Installation for controlling the temperature of floor and wall panels |
DE3542245A1 (en) * | 1985-11-29 | 1987-06-04 | Grotjan Hartmut | WALL PANEL FOR CONSTRUCTION |
DE3703125A1 (en) * | 1986-03-07 | 1987-09-10 | Jakob Adam | Convection heating system |
DE3818543A1 (en) * | 1988-05-31 | 1989-12-07 | Paul Dipl Ing Jordan | Panel-heating system for glass windows and for similar sheet-like building-shell elements |
DE3829956A1 (en) * | 1988-09-03 | 1990-03-15 | Scheu & Wirth Ag | AERIAL WINDOW |
SE9000323L (en) * | 1990-01-31 | 1991-08-01 | Bo Lennart Adamsson | MADE TO ASTAD ADEQUATE SUITABLE SURFACE TEMPERATURES ON THE SIDE OF GLASS FACES AND DEVICE TO IMPLEMENT THIS SUIT |
FR2672336A1 (en) * | 1991-01-31 | 1992-08-07 | Paziaus Jacques | MULTIPLE WINDOWS WITH DYNAMIC INSULATION. |
GB2270559B (en) * | 1992-09-11 | 1997-04-16 | Michael David Carr | Methods and apparatus for controlling temperature |
US5394935A (en) * | 1993-09-17 | 1995-03-07 | Glover; Mike | Earth coupled thermal barrier system |
GB9503622D0 (en) * | 1995-02-23 | 1995-04-12 | Crampton Frederick A | Space heating apparatus |
FI109227B (en) | 2000-03-15 | 2002-06-14 | Goeran Sundholm | Fire door and fire protection system |
FR2867218A1 (en) * | 2004-03-04 | 2005-09-09 | Elie Assaad | Double glazing assembling framework for e.g. window, has heat exchanger composed of blades and connected with framework, where exchanger collects and transmits heat between two glazings to framework |
US10337761B2 (en) * | 2007-12-21 | 2019-07-02 | Ralf W. Blackstone | Microenvironmental cooling system |
WO2011023218A1 (en) * | 2009-08-24 | 2011-03-03 | Detea, S.A. | Enclosure for facades with climatising functions |
DE102015212924A1 (en) * | 2015-07-10 | 2017-01-12 | Lipton & Partner Gmbh | Active window module for thermal regulation of a building and process |
US11371285B2 (en) * | 2018-05-25 | 2022-06-28 | Overhead Door Corporation | Rolling door guide area heating method and system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1957279A (en) * | 1929-11-21 | 1934-05-01 | Linke Walter | Heat-absorbing window |
DE970699C (en) * | 1939-04-26 | 1958-10-16 | Zeiss Ikon Ag | Kuehlkuevettengefaess for lighting equipment |
US2269566A (en) * | 1939-06-10 | 1942-01-13 | Gerrit Van Daam | Means for heating windows or transparent panes for aircraft, motor cars, or the like |
US2386339A (en) * | 1941-11-12 | 1945-10-09 | Walter J O'connor | Iceproof windshield |
US2543363A (en) * | 1948-08-09 | 1951-02-27 | William G Glendinning | Electrically heated panel |
FR1069063A (en) * | 1952-10-24 | 1954-07-05 | Device for cooling the light beam in a projection apparatus | |
FR1199273A (en) * | 1957-12-31 | 1959-12-11 | Device intended to maintain the transparency of a glass wall separating from the outside an enclosure at different temperature | |
FR1291658A (en) * | 1961-03-15 | 1962-04-27 | Glazing heating device by air circulation | |
US3192575A (en) * | 1962-07-25 | 1965-07-06 | Perkin Elmer Corp | Heat insulating window |
-
1967
- 1967-07-04 CH CH797168A patent/CH476197A/en not_active IP Right Cessation
- 1967-07-04 CH CH796968A patent/CH475468A/en not_active IP Right Cessation
- 1967-07-04 CH CH797068A patent/CH475469A/en not_active IP Right Cessation
- 1967-07-04 CH CH961167A patent/CH475467A/en not_active IP Right Cessation
-
1968
- 1968-06-12 AT AT561568A patent/AT298742B/en not_active IP Right Cessation
- 1968-06-12 DE DE19681778857 patent/DE1778857B1/en active Pending
- 1968-06-12 DE DE19681778858D patent/DE1778858B1/en active Pending
- 1968-06-12 AT AT561668A patent/AT304821B/en not_active IP Right Cessation
- 1968-07-01 US US741524A patent/US3590913A/en not_active Expired - Lifetime
- 1968-07-03 FR FR1573448D patent/FR1573448A/fr not_active Expired
- 1968-07-03 BE BE717514D patent/BE717514A/xx unknown
- 1968-07-03 FR FR1573446D patent/FR1573446A/fr not_active Expired
- 1968-07-03 ES ES355737A patent/ES355737A1/en not_active Expired
- 1968-07-03 FR FR1573447D patent/FR1573447A/fr not_active Expired
- 1968-07-03 NL NL6809415A patent/NL6809415A/xx unknown
- 1968-07-03 ES ES355736A patent/ES355736A1/en not_active Expired
- 1968-07-03 FR FR1573449D patent/FR1573449A/fr not_active Expired
- 1968-07-03 NL NL6809417A patent/NL6809417A/xx unknown
- 1968-07-03 NL NL6809418A patent/NL6809418A/xx unknown
- 1968-07-03 NO NO2658/68A patent/NO123659B/no unknown
- 1968-07-03 NL NL6809416A patent/NL6809416A/xx unknown
- 1968-07-04 GB GB32045/68A patent/GB1223896A/en not_active Expired
- 1968-07-04 BE BE717627D patent/BE717627A/xx unknown
- 1968-07-04 GB GB32042/68A patent/GB1224384A/en not_active Expired
- 1968-07-04 BE BE717628D patent/BE717628A/xx unknown
- 1968-07-04 GB GB32043/68A patent/GB1224385A/en not_active Expired
- 1968-07-04 GB GB32044/68A patent/GB1224386A/en not_active Expired
- 1968-07-04 BE BE717626D patent/BE717626A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4024143A1 (en) * | 1990-07-30 | 1992-02-06 | Koester Helmut | Insulated glass assembly - has flow channels at profiled distance holders between glass panes for heating or cooling medium to flow between them |
CN116608533A (en) * | 2023-07-17 | 2023-08-18 | 廊坊康平空调制造有限公司 | Large-scale hangar air isolation system and application method thereof |
CN116608533B (en) * | 2023-07-17 | 2023-10-10 | 廊坊康平空调制造有限公司 | Large-scale hangar air isolation system and application method thereof |
Also Published As
Publication number | Publication date |
---|---|
ES355736A1 (en) | 1970-10-01 |
FR1573449A (en) | 1969-07-04 |
FR1573446A (en) | 1969-07-04 |
NL6809417A (en) | 1969-01-07 |
NL6809415A (en) | 1969-01-07 |
DE1778857B1 (en) | 1972-01-20 |
FR1573448A (en) | 1969-07-04 |
CH475468A (en) | 1969-07-15 |
CH475467A (en) | 1969-07-15 |
ES355737A1 (en) | 1970-07-01 |
BE717626A (en) | 1969-01-06 |
BE717628A (en) | 1969-01-06 |
US3590913A (en) | 1971-07-06 |
NL6809416A (en) | 1969-01-07 |
AT304821B (en) | 1973-01-25 |
GB1224384A (en) | 1971-03-10 |
CH476197A (en) | 1969-07-31 |
AT298742B (en) | 1972-05-25 |
FR1573447A (en) | 1969-07-04 |
GB1224385A (en) | 1971-03-10 |
GB1224386A (en) | 1971-03-10 |
BE717514A (en) | 1969-01-03 |
CH475469A (en) | 1969-07-15 |
DE1778858B1 (en) | 1972-05-25 |
NL6809418A (en) | 1969-01-07 |
BE717627A (en) | 1969-01-06 |
NO123659B (en) | 1971-12-27 |
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