IL27699A - Electric induction oven - Google Patents
Electric induction ovenInfo
- Publication number
- IL27699A IL27699A IL27699A IL2769967A IL27699A IL 27699 A IL27699 A IL 27699A IL 27699 A IL27699 A IL 27699A IL 2769967 A IL2769967 A IL 2769967A IL 27699 A IL27699 A IL 27699A
- Authority
- IL
- Israel
- Prior art keywords
- sheath
- fusion
- inductor coil
- charge
- furnace
- Prior art date
Links
- 230000006698 induction Effects 0.000 title claims description 11
- 239000011819 refractory material Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 230000004927 fusion Effects 0.000 claims description 10
- 238000007711 solidification Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000007499 fusion processing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 239000012809 cooling fluid Substances 0.000 claims 1
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 230000000750 progressive effect Effects 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000012254 powdered material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000004243 E-number Substances 0.000 description 1
- 235000019227 E-number Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/021—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by induction heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B15/00—Drawing glass upwardly from the melt
- C03B15/14—Drawing tubes, cylinders, or rods from the melt
- C03B15/16—Drawing tubes, cylinders or rods, coated with coloured layers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/653—Processes involving a melting step
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/22—Furnaces without an endless core
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/367—Coil arrangements for melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2211/00—Heating processes for glass melting in glass melting furnaces
- C03B2211/70—Skull melting, i.e. melting or refining in cooled wall crucibles or within solidified glass crust, e.g. in continuous walled vessels
- C03B2211/71—Skull melting, i.e. melting or refining in cooled wall crucibles or within solidified glass crust, e.g. in continuous walled vessels within segmented wall vessels where the molten glass solidifies between and seals the gaps between wall segments
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Electromagnetism (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Furnace Details (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- General Induction Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR56436A FR1492063A (fr) | 1966-04-05 | 1966-04-05 | Perfectionnement aux fours électriques haute fréquence pour la fabrication en continu de réfractaires électrofondus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL27699A true IL27699A (en) | 1970-08-19 |
Family
ID=8605545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL27699A IL27699A (en) | 1966-04-05 | 1967-03-28 | Electric induction oven |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3461215A (OSRAM) |
| BE (1) | BE696062A (OSRAM) |
| BR (1) | BR6788201D0 (OSRAM) |
| CH (1) | CH472166A (OSRAM) |
| DE (1) | DE1615195B1 (OSRAM) |
| ES (1) | ES338865A1 (OSRAM) |
| FR (1) | FR1492063A (OSRAM) |
| GB (1) | GB1130070A (OSRAM) |
| IL (1) | IL27699A (OSRAM) |
| LU (1) | LU53351A1 (OSRAM) |
| NL (1) | NL162285C (OSRAM) |
| SE (1) | SE335392B (OSRAM) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145769A (en) * | 1966-01-28 | 1969-03-19 | Standard Telephones Cables Ltd | Improvements in or relating to apparatus for the heat treatment of electrically conductive materials |
| GB1118505A (en) * | 1966-01-28 | 1968-07-03 | Standard Telephones Cables Ltd | Improvements in or relating to apparatus for the heat treatment of electrically conductive materials |
| DE1690650B1 (de) * | 1967-09-01 | 1972-02-03 | Park Ohio Industries Inc | Induktionsschmelzofen |
| GB1271493A (en) * | 1968-05-09 | 1972-04-19 | Stanelco Thermatron Ltd | Improved treatment process |
| FR2036418A5 (OSRAM) * | 1969-03-13 | 1970-12-24 | Commissariat Energie Atomique | |
| FR2052082A5 (OSRAM) * | 1969-07-11 | 1971-04-09 | Commissariat Energie Atomique | |
| GB1269762A (en) * | 1970-01-09 | 1972-04-06 | David Ainsworth Hukin | Improvements in or relating to crucibles |
| FR2100553B1 (OSRAM) * | 1970-06-16 | 1973-08-10 | Creusot Forges Ateliers | |
| FR2119174A6 (en) * | 1970-12-23 | 1972-08-04 | Commissariat Energie Atomique | Recovery of high melting metals from oxides directly - using a magnesium and a fluoride slag |
| US4049384A (en) * | 1975-04-14 | 1977-09-20 | Arthur D. Little, Inc. | Cold crucible system |
| US4058668A (en) * | 1976-03-01 | 1977-11-15 | The United States Of America As Represented By The Secretary Of The Interior | Cold crucible |
| SE432150B (sv) * | 1976-10-04 | 1984-03-19 | Siderurgie Fse Inst Rech | Apparat for metallurgisk induktionsbehandling av metaller och metalliska eller andra legeringar |
| SU748918A1 (ru) * | 1977-12-26 | 1980-07-15 | Московский Ордена Ленина Энергетический Институт | Устройство дл индукционного нагрева |
| US4221762A (en) * | 1978-01-30 | 1980-09-09 | Andrjushin Alexandr I | Apparatus for preparing carbides |
| US4202400A (en) * | 1978-09-22 | 1980-05-13 | General Electric Company | Directional solidification furnace |
| US4292489A (en) * | 1978-12-01 | 1981-09-29 | The Continental Group, Inc. | Tab heating and applying apparatus |
| FR2497050A1 (fr) * | 1980-12-23 | 1982-06-25 | Saphymo Stel | Dispositif de fusion par induction directe en cage froide avec confinement electromagnetique de la charge fondue |
| FR2531062A2 (fr) * | 1981-11-06 | 1984-02-03 | Saphymo Stel | Dispositif de fusion par induction directe de substances dielectriques du genre verres ou emaux |
| DE3316546C1 (de) * | 1983-05-06 | 1984-04-26 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Kalter Tiegel fuer das Erschmelzen und die Kristallisation nichtmetallischer anorganischer Verbindungen |
| US4560849A (en) * | 1984-06-13 | 1985-12-24 | The United States Of America As Represented By The United States Department Of Energy | Feedback regulated induction heater for a flowing fluid |
| FR2566890B1 (fr) * | 1984-06-29 | 1986-11-14 | Commissariat Energie Atomique | Cage froide pour creuset a fusion par induction electromagnetique a frequence elevee |
| US4633481A (en) * | 1984-10-01 | 1986-12-30 | Ppg Industries, Inc. | Induction heating vessel |
| US4610711A (en) * | 1984-10-01 | 1986-09-09 | Ppg Industries, Inc. | Method and apparatus for inductively heating molten glass or the like |
| FR2599482B1 (fr) * | 1986-06-03 | 1988-07-29 | Commissariat Energie Atomique | Four de fusion a induction haute frequence |
| US4780121A (en) * | 1987-04-03 | 1988-10-25 | Ppg Industries, Inc. | Method for rapid induction heating of molten glass or the like |
| FR2621387B1 (fr) * | 1987-10-06 | 1990-01-05 | Commissariat Energie Atomique | Creuset de four a induction |
| DE3910777C2 (de) * | 1989-04-04 | 2001-08-09 | Ald Vacuum Techn Ag | Induktionsofen mit einem metallischen Tiegel |
| FR2647196B1 (fr) * | 1989-05-19 | 1991-06-28 | Cezus Co Europ Zirconium | Creuset froid a vidange par le fond |
| FR2648065A1 (fr) * | 1989-06-12 | 1990-12-14 | Solvay | Dispositif pour recuperer par fusion le metal constitutif d'un noyau fusible |
| DE3940029C2 (de) * | 1989-12-04 | 1994-04-14 | Leybold Ag | Tiegel für die induktive Erwärmung |
| US5272720A (en) * | 1990-01-31 | 1993-12-21 | Inductotherm Corp. | Induction heating apparatus and method |
| US5550353A (en) * | 1990-01-31 | 1996-08-27 | Inductotherm Corp. | Induction heating coil assembly for prevent of circulating current in induction heating lines for continuous-cast products |
| US5257281A (en) * | 1990-01-31 | 1993-10-26 | Inductotherm Corp. | Induction heating apparatus and method |
| US5090022A (en) * | 1990-05-21 | 1992-02-18 | Inductotherm Corp. | Cold crucible induction furnace |
| DE4018925A1 (de) * | 1990-06-13 | 1991-12-19 | Leybold Ag | Induktionsschmelzofen |
| FR2665249A1 (fr) * | 1990-07-26 | 1992-01-31 | Dauphine Ets Bonmartin Laminoi | Four de fusion par induction en creuset froid. |
| JP3287031B2 (ja) * | 1991-10-16 | 2002-05-27 | 神鋼電機株式会社 | コールドウォール誘導溶解ルツボ炉 |
| DE4320766C2 (de) * | 1993-06-23 | 2002-06-27 | Ald Vacuum Techn Ag | Vorrichtung zum Einschmelzen einer festen Schicht aus elektrisch leitfähigem Material |
| DE4429340C2 (de) * | 1994-08-18 | 2003-04-30 | Ald Vacuum Techn Ag | Tiegel zum induktiven Schmelzen oder Überhitzen von Metallen, Legierungen oder anderen elektrisch leitfähigen Werkstoffen |
| DE19622884A1 (de) * | 1996-06-07 | 1997-12-11 | Ald Vacuum Techn Gmbh | Tiegel zum induktiven Schmelzen oder Überhitzen von Metallen, Legierungen oder anderen elektrisch leitfähigen Werkstoffen |
| DE19629636A1 (de) * | 1996-07-23 | 1998-01-29 | Ald Vacuum Techn Gmbh | Tiegel zum induktiven Schmelzen oder Überhitzen von Metallen, Legierungen oder anderen elektrisch leitfähigen Werkstoffen |
| DE19705458A1 (de) * | 1997-02-13 | 1998-08-20 | Leybold Systems Gmbh | Tiegel zum induktiven Schmelzen oder Überhitzen von Metallen, Legierungen oder anderen elektrisch leitfähigen Werkstoffen |
| DE19800853A1 (de) * | 1998-01-13 | 1999-07-15 | Ald Vacuum Techn Gmbh | Geschlossener, evakuierbarer Tiegel zum induktiven Schmelzen oder Überhitzen von Metallen, Legierungen oder anderen elektrisch leitfähigen Werkstoffen |
| DE19939772C1 (de) * | 1999-08-21 | 2001-05-03 | Schott Glas | Skulltiegel für das Erschmelzen oder das Läutern von Gläsern |
| DE10133469B4 (de) * | 2001-07-10 | 2004-10-14 | Schott Glas | Vorrichtung zum Schmelzen hochreiner optischer Gläser |
| DE10236136B4 (de) * | 2002-08-07 | 2005-10-20 | Schott Ag | Hochfrequenzbeheizter kalter Tiegel zum Einschmelzen eines Gemenges zur Herstellung von Glas |
| WO2005072167A2 (en) * | 2004-01-16 | 2005-08-11 | Consarc Corp. | Cold crucible induction furnace |
| US20100315161A1 (en) * | 2009-06-16 | 2010-12-16 | Advanced Energy Industries, Inc. | Power Inductor |
| KR101218923B1 (ko) | 2010-09-15 | 2013-01-04 | 한국수력원자력 주식회사 | 유도코일과 용융로 일체형 유도가열식 저온용융로 |
| PL224286B1 (pl) | 2011-08-17 | 2016-12-30 | Polycor Spółka Z Ograniczoną Odpowiedzialnością | Sposób syntezy surowcowego wsadu korundu w postaci bloczka polikrystalicznego do hodowania kryształów szafiru oraz urządzenie do realizacji tego sposobu |
| CN107062904B (zh) * | 2017-04-18 | 2018-12-28 | 胡光雄 | 一种电石渣间接焙烧炉 |
| CN107324816A (zh) * | 2017-07-25 | 2017-11-07 | 云南省科学技术院 | 一种耐高温高纯氧化铝棉的制备方法及制备设备 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE381263C (de) * | 1920-09-23 | 1923-09-18 | Vacuumschmelze Gmbh | Verfahren zum Niederschmelzen von kaltem, stueckigem Schrott in Induktionsoefen |
| DE457816C (de) * | 1925-02-28 | 1928-03-23 | Heraeus Vacuumschmelze Akt Ges | Verfahren zum Schmelzen kalten Einsatzes in Induktionsoefen |
| US1801791A (en) * | 1930-03-05 | 1931-04-21 | Westinghouse Electric & Mfg Co | Induction-furnace protective circuits |
| US1975438A (en) * | 1931-09-09 | 1934-10-02 | Ugine Infra | Magnetic muffle or other body and method of varying the magnetic transformation thereof |
| DE1017795B (de) * | 1954-05-25 | 1957-10-17 | Siemens Ag | Verfahren zur Herstellung reinster kristalliner Substanzen, vorzugsweise Halbleitersubstanzen |
| US2743199A (en) * | 1955-03-30 | 1956-04-24 | Westinghouse Electric Corp | Process of zone refining an elongated body of metal |
| NL226823A (OSRAM) * | 1957-04-15 | 1900-01-01 | ||
| US3223519A (en) * | 1957-05-20 | 1965-12-14 | Nat Distillers Chem Corp | Induction furnace |
| DE1208429B (de) * | 1960-10-21 | 1966-01-05 | Heraeus Gmbh W C | Vakuum-Induktionsschmelzofen |
-
1966
- 1966-04-05 FR FR56436A patent/FR1492063A/fr not_active Expired
-
1967
- 1967-03-24 BE BE696062D patent/BE696062A/xx not_active IP Right Cessation
- 1967-03-27 US US626291A patent/US3461215A/en not_active Expired - Lifetime
- 1967-03-28 IL IL27699A patent/IL27699A/en unknown
- 1967-03-29 GB GB14243/67A patent/GB1130070A/en not_active Expired
- 1967-03-31 BR BR188201/67A patent/BR6788201D0/pt unknown
- 1967-04-04 ES ES338865A patent/ES338865A1/es not_active Expired
- 1967-04-04 LU LU53351D patent/LU53351A1/xx unknown
- 1967-04-04 NL NL6704751.A patent/NL162285C/xx not_active IP Right Cessation
- 1967-04-04 CH CH470967A patent/CH472166A/fr not_active IP Right Cessation
- 1967-04-04 DE DE1967C0041940 patent/DE1615195B1/de active Pending
- 1967-04-05 SE SE04767/67A patent/SE335392B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3461215A (en) | 1969-08-12 |
| BR6788201D0 (pt) | 1973-12-27 |
| DE1615195B1 (de) | 1970-12-17 |
| NL162285C (nl) | 1980-04-15 |
| BE696062A (OSRAM) | 1967-09-01 |
| CH472166A (fr) | 1969-04-30 |
| GB1130070A (en) | 1968-10-09 |
| FR1492063A (fr) | 1967-08-18 |
| ES338865A1 (es) | 1968-04-16 |
| LU53351A1 (OSRAM) | 1967-06-05 |
| NL6704751A (OSRAM) | 1967-10-06 |
| NL162285B (nl) | 1979-11-15 |
| SE335392B (OSRAM) | 1971-05-24 |
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