EP0489383B1 - Control system for microwave oven - Google Patents
Control system for microwave oven Download PDFInfo
- Publication number
- EP0489383B1 EP0489383B1 EP91120660A EP91120660A EP0489383B1 EP 0489383 B1 EP0489383 B1 EP 0489383B1 EP 91120660 A EP91120660 A EP 91120660A EP 91120660 A EP91120660 A EP 91120660A EP 0489383 B1 EP0489383 B1 EP 0489383B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- microwave
- oven
- movable
- operating modes
- selector
- 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 - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H05B6/64—Heating using microwaves
- H05B6/647—Aspects related to microwave heating combined with other heating techniques
- H05B6/6482—Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
Definitions
- the invention relates to the operation of a microwave oven and more particularly to a device for controlling the electrical supply circuit making it possible to select one of the following three operating modes: a first microwave mode or a second grill mode or a third mode in combined microwave grill.
- microwave ovens have the three aforementioned operating modes and comprise on their external front face a movable mounted handle which acts, for example by its rotation by a user, on a single switch.
- This switch selects, by its position, an operating mode chosen by the user.
- This switch is generally bulky (it occupies an important place in the housing of the external front face of the microwave oven because of its large thickness) and is expensive.
- this switch is also used on microwave ovens comprising only two operating modes (microwave or grill), which increases the cost price of these microwave ovens.
- the object of the invention is to remedy these drawbacks by finding a simple and economical control device, easy to implement and which selects one of the three operating modes of such a microwave oven.
- the control device comprises two micro-switches (A and B) mounted in said supply circuit, and which on the one hand, each comprise a control key actuating a movable contact located between two fixed contacts and controlled by actuation means carried by said movable handle so as to selectively obtain one of the three operating modes chosen by positioning the movable handle and, on the other hand, are positioned inside said oven in a regulating and supply device authorizing the operation of the microwave oven.
- a and B micro-switches
- control device Thanks to the control device according to the invention, the space requirement is reduced since the control device has a thickness which does not exceed that of the housings of said microswitches and the possibility of using a single microswitch to perform a grill function. or microwave makes it possible to halve the price of the component thus reducing the cost price of the microwave oven.
- FIG. 1 shows the external front face of a microwave oven on which is mounted the movable handle equipping the device according to the invention
- FIG. 2 represents the control device according to the invention
- FIG. 3 represents an example of use of the control device according to the invention placed in a microwave oven
- FIG. 4 represents the electrical connections of the control device according to the invention.
- the front part of the microwave oven F comprises a housing 1 comprising, inter alia, on its external front face, a handle 2 movable mounted of which only the front face is shown; this movable lever 2 is capable of selecting an operating mode of said oven.
- These operating modes for example three in number, are a first mode in microwave (MO) or a second mode by resistance heating called grill or a third mode Grill combined with microwave (MO + grill).
- the user for example, by rotating the movable joystick 2, thus determines one of the operating modes he wishes.
- This handle 2 is mounted movable around an axis XX 'transverse to the front face of the furnace.
- the inner face of the housing 1 comprises, for example, the movable lever 2 whose rear face is shown, a microswitch A of conventional type fixed on the housing 1, for example by bonding and a microswitch B fixed on the housing 1 in the same way as the microswitch A.
- the mobile joystick 2 is shown in any position not corresponding to a particular operating mode.
- These microswitches A and B are positioned so that actuation means of the movable joystick 2 act alternately on the control keys 3 and 4 of each of the microswitches A and B.
- the actuation means of the movable handle 2 are constituted, for example, of tongues 5 and 5 ′ fixed axially on the internal face of the movable handle 2 and each extending in an arc of a circle concentric with the axis XX ′; these tabs 5 and 5 ′ are, for example, two in number and are spaced apart by a determined distance to allow non-simultaneous actuation of the control keys 3 and 4 of each of the micro-switches A and B.
- the micro- switches A and B are, for example, two-position microswitches.
- Each microswitch A or B includes, for example, an input 6 or 6 ′ and two outputs 7 and 8 or 7 ′ and 8 ′.
- the control device 30 placed on the internal front face of the box 1 is connected to a regulation and supply device known per se in a microwave oven; said device includes, for example, a timer 9, a fan motor 10, a power supply 11, a relay 12 with contactor 15, a resistor 13 ensuring the grill operation, a transformer 14 of the magnetron M (shown in dashed lines) allowing the microwave operation, and safety systems S1, S2, S3 and S4 ensuring the proper functioning of the oven.
- a regulation and supply device known per se in a microwave oven; said device includes, for example, a timer 9, a fan motor 10, a power supply 11, a relay 12 with contactor 15, a resistor 13 ensuring the grill operation, a transformer 14 of the magnetron M (shown in dashed lines) allowing the microwave operation, and safety systems S1, S2, S3 and S4 ensuring the proper functioning of the oven.
- the control device 30 comprises an input 16 connected directly to the timer 9 shown in FIG. 3 and two outputs 17 and 18 connected respectively to the transformer 14 of the magnetron M and to the relay 12 triggering the operation of the resistor 13
- the input 16 of the control device is divided into two lines 19 and 20, one 19 is connected to the input 6 of the microswitch A and the other 20 is connected to the input 6 ′ of the microswitch. switch B.
- On the input 6 of the micro-switch A is fixed a first movable contact 21 controlled by the key 3; this movable contact 21 allows switching between two fixed contacts 22 and 23 linked respectively to outputs 7 and 8 of microswitch A.
- the output 7 is not connected to any element, the output 8 is connected to the transformer 14 of the magnetron thus ensuring , when the movable contact 21 has been switched, the microwave operation.
- a second movable contact 24 is fixed, controlled by the button 4; this movable contact 24 enables switching between two fixed contacts 25 and 26 linked respectively to the outputs 7 ′ and 8 ′ of the microswitch B.
- the output 7 ′ is connected to the relay 12 controlling the resistor 13 which operates in grill mode.
- the output 8 ′ is connected to the output 8 of the microswitch A by an electrical connection 31 and therefore allows operation in microwave mode.
- An operation of the control device is, for example, as follows: in the initial state, the movable lever 2 being in the position MO, one of the tongues 5 of the means for actuating the lever 2 activates only the control button 4 of microswitch B while the control button 3 of microswitch A is not activated, thus leaving the movable contact 21 of microswitch A in a rest position since it is connected to the output 7.
- the control button 4 allows the switching of the movable contact 24 which thus activates the output 8 ′, that is to say the output ensuring the operation in MO.
- the movable lever 2 rotating, for example by a quarter turn, is in the grill position as mentioned on the external front face of the housing of the microwave oven shown in FIG. 1.
- said tongue 5 of the means actuating the movable lever 2 deactivates the control key 4 of the microswitch B thus acting on the movable contact 24; the latter allows the connection of the input 6 ′ to the output 7 ′, that is to say to the output connected to the resistor 13 of the operation in grill mode, while the other tab 5 ′ does not always act not on control button 3 of microswitch A which remains inactive and occupies the same position as in the previous mode.
- the movable lever 2 performing a second quarter turn is in the position (MO + grill) as mentioned on the external front face of the microwave oven housing shown in FIG. 1.
- the control button 4 of the microswitch B is always deactivated and therefore allows the connection of the input 6 ′ with the output 7 ′, on the other hand, the control key 3 of the microswitch A is activated by the tongue 5 ′ of the actuating means of the mobile joystick 2.
- the movable contact 21 is thus switched and activates the output 8 of the microswitch A which is connected to the transformer 14 of the magnetron ensuring microwave operation. In this way, the combined microwave grill operation is obtained.
Abstract
Description
L'invention concerne le fonctionnement d'un four micro-ondes et plus particulièrement un dispositif de commande du circuit d'alimentation électrique permettant de sélectionner un des trois modes de fonctionnement suivants : un premier mode en micro-ondes ou un deuxième mode en gril ou un troisième mode en gril combiné micro-ondes.The invention relates to the operation of a microwave oven and more particularly to a device for controlling the electrical supply circuit making it possible to select one of the following three operating modes: a first microwave mode or a second grill mode or a third mode in combined microwave grill.
Certains fours micro-ondes possèdent les trois modes de fonctionnement précités et comportent sur leur face avant externe une manette montée mobile qui agit, par exemple par sa mise en rotation par un utilisateur, sur un unique commutateur. Ce commutateur sélectionne, par sa position, un mode de fonctionnement choisi par l'utilisateur. Ce commutateur est généralement encombrant (il occupe une place importante dans le boîtier de la face avant externe du four micro-ondes du fait de sa large épaisseur) et est coûteux. D'autre part ce commutateur est utilisé également sur les fours micro-ondes comportant uniquement deux modes de fonctionnement (micro-ondes ou gril) ce qui augmente le prix de revient de cesdits fours micro-ondes.Certain microwave ovens have the three aforementioned operating modes and comprise on their external front face a movable mounted handle which acts, for example by its rotation by a user, on a single switch. This switch selects, by its position, an operating mode chosen by the user. This switch is generally bulky (it occupies an important place in the housing of the external front face of the microwave oven because of its large thickness) and is expensive. On the other hand, this switch is also used on microwave ovens comprising only two operating modes (microwave or grill), which increases the cost price of these microwave ovens.
Le but de l'invention est de remédier à ces inconvénients en trouvant un dispositif de commande simple et économique, facile à mettre en oeuvre et qui sélectionne l'un des trois modes de fonctionnement d'un tel four micro-ondes.The object of the invention is to remedy these drawbacks by finding a simple and economical control device, easy to implement and which selects one of the three operating modes of such a microwave oven.
Selon l'invention, le dispositif de commande comporte deux micro-commutateurs (A et B) montés dans ledit circuit d'alimentation, et qui d'une part, comprennent chacun une touche de commande actionnant un contact mobile situé entre deux contacts fixes et commandé par des moyens d'actionnement portés par ladite manette mobile de manière à obtenir sélectivement l'un des trois modes de fonctionnement choisi par un positionnement de la manette mobile et, d'autre part, sont positionnés à l'intérieur dudit four dans un dispositif de régulation et d'alimentation autorisant le fonctionnement du four micro-ondes.According to the invention, the control device comprises two micro-switches (A and B) mounted in said supply circuit, and which on the one hand, each comprise a control key actuating a movable contact located between two fixed contacts and controlled by actuation means carried by said movable handle so as to selectively obtain one of the three operating modes chosen by positioning the movable handle and, on the other hand, are positioned inside said oven in a regulating and supply device authorizing the operation of the microwave oven.
Grâce au dispositif de commande selon l'invention, l'encombrement est réduit puisque le dispositif de commande a une épaisseur qui ne dépasse pas celle des boîtiers desdits micro-commutateurs et la possibilité d'utiliser un seul micro-commutateur pour réaliser une fonction gril ou micro-ondes permet de diviser par deux le prix du composant diminuant ainsi le prix de revient du four micro-ondes.Thanks to the control device according to the invention, the space requirement is reduced since the control device has a thickness which does not exceed that of the housings of said microswitches and the possibility of using a single microswitch to perform a grill function. or microwave makes it possible to halve the price of the component thus reducing the cost price of the microwave oven.
Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui va suivre, à titre d'exemple, en référence aux dessins annexés dans lesquels :The characteristics and advantages of the invention will become apparent from the description which follows, by way of example, with reference to the appended drawings in which:
la figure 1 représente la face avant externe d'un four micro-ondes sur lequel est monté la manette mobile équipant le dispositif selon l'invention ; la figure 2 représente le dispositif de commande selon l'invention ; la figure 3 représente un exemple d'utilisation du dispositif de commande selon l'invention placé dans un four à micro-ondes ; la figure 4 représente les connexions électriques du dispositif de commande selon l'invention.Figure 1 shows the external front face of a microwave oven on which is mounted the movable handle equipping the device according to the invention; FIG. 2 represents the control device according to the invention; FIG. 3 represents an example of use of the control device according to the invention placed in a microwave oven; FIG. 4 represents the electrical connections of the control device according to the invention.
Selon la figure 1, la partie avant du four à micro-ondes F comprend un boîtier 1 comportant, entre autre, sur sa face avant externe, une manette 2 montée mobile dont seule la face avant est représentée; cette manette mobile 2 est susceptible de sélectionner un mode de fonctionnement dudit four. Ces modes de fonctionnement, par exemple au nombre de trois, sont un premier mode en micro-ondes (MO) ou un deuxième mode par chauffage par résistance dit gril ou un troisième mode Gril combiné avec miro-ondes (MO + gril). L'utilisateur, par exemple, par une rotation de la manette mobile 2, détermine ainsi un des modes de fonctionnement qu'il désire. Cette manette 2 est montée mobile autour d'un axe XX′ transversal à la face avant du four.According to Figure 1, the front part of the microwave oven F comprises a housing 1 comprising, inter alia, on its external front face, a
Selon la figure 2, la face interne du boîtier 1 comporte, par exemple, la manette mobile 2 dont la face arrière est représentée, un micro-commutateur A de type classique fixé sur le boîtier 1, par exemple par collage et un micro-commutateur B fixé sur le boîtier 1 de la même manière que le micro-commutateur A. Afin d'améliorer la compréhension du lecteur, la manette mobile 2 est représentée dans une position quelconque ne correspondant pas à un mode de fonctionnement particulier. Ces micro-commutateurs A et B sont positionnés de façon à ce que des moyens d'actionnement de la manette mobile 2 agissent alternativement sur les touches de commandes 3 et 4 de chacun des micro-commutateurs A et B. Les moyens d'actionnement de la manette mobile 2 sont constitués, par exemple, de languettes 5 et 5′ fixées axialement sur la face interne de la manette mobile 2 et s'étendant chacune selon un arc de cercle concentrique à l'axe XX′ ; ces languettes 5 et 5′ sont, par exemple, au nombre de deux et sont espacées d'une distance déterminée pour autoriser l'actionnement non simultané des touches de commande 3 et 4 de chacun des micro-commutateurs A et B. Les micro-commutateurs A et B sont, par exemple, des micro-commutateurs deux positions. Chaque micro-commutateur A ou B comporte, par exemple, une entrée 6 ou 6′ et deux sorties 7 et 8 ou 7′ et 8′.According to Figure 2, the inner face of the housing 1 comprises, for example, the
Selon la figure 3, le dispositif de commande 30 placé sur la face avant interne du boîtier 1 est relié à un dispositif de régulation et d'alimentation connu en soi dans un four micro-ondes ; cedit dispositif comprend, par exemple, une minuterie 9, un motoventilateur 10, une alimentation 11, un relais 12 à contacteur 15, une résistance 13 assurant le fonctionnement en gril, un transformateur 14 du magnétron M (schématisé en traits interrompus) permettant le fonctionnement micro-ondes, et des systèmes de sécurités S1, S2, S3 et S4 assurant le bon fonctionnement du four.According to FIG. 3, the
Selon la figure 4, le dispositif de commande 30 comporte une entrée 16 connectée directement à la minuterie 9 représentée à la figure 3 et deux sorties 17 et 18 reliées respectivement au transformateur 14 du magnétron M et au relais 12 déclenchant le fonctionnement de la résistance 13. L'entrée 16 du dispositif de commande se divise en deux lignes 19 et 20, l'une 19 est connectée à l'entrée 6 du micro-commutateur A et l'autre 20 est reliée à l'entrée 6′ du micro-commutateur B. Sur l'entrée 6 du micro-commutateur A est fixée un premier contact mobile 21 commandé par la touche 3 ; ce contact mobile 21 permet la commutation entre deux contacts fixes 22 et 23 liés respectivement aux sorties 7 et 8 du micro-commutateur A. La sortie 7 n'est reliée à aucun élément, la sortie 8 est reliée au transformateur 14 du magnétron assurant ainsi, lorsque le contact mobile 21 a été commuté, le fonctionnement en micro-ondes. Sur l'entrée 6′ du micro-commutateur B, est fixé un deuxième contact mobile 24 commandé par la touche 4 ; ce contact mobile 24 permet la commutation entre deux contacts fixes 25 et 26 liés respectivement aux sorties 7′ et 8′ du micro-commutateur B. La sortie 7′ est reliée au relais 12 commandant la résistance 13 qui assure le fonctionnement en mode gril. La sortie 8′ est reliée à la sortie 8 du micro-commutateur A par une liaison électrique 31 et permet donc ainsi un fonctionnement en mode micro-ondes.According to FIG. 4, the
Un fonctionnement du dispositif de commande selon l'invention est, par exemple, le suivant : à l'état initial, la manette mobile 2 étant sur la position MO, l'une des languettes 5 des les moyens d'actionnement de la manette 2 active uniquement la touche de commande 4 du micro-commutateur B alors que la touche de commande 3 du micro-commutateur A n'est pas activée laissant ainsi le contact mobile 21 du micro-commutateur A dans une position de repos puisque relié à la sortie 7. La touche de commande 4 permet la commutation du contact mobile 24 qui active ainsi la sortie 8′ c'est-à-dire la sortie assurant le fonctionnement en MO.An operation of the control device according to the invention is, for example, as follows: in the initial state, the
La manette mobile 2 tournant, par exemple d'un quart de tour, se trouve dans la position gril comme mentionné sur la face avant externe du boîtier du four micro-ondes représenté sur la figure 1. En cette position, ladite languette 5 des moyens d'actionnement de la manette mobile 2 désactive la touche de commande 4 du micro-commutateur B agissant ainsi sur le contact mobile 24 ; ce dernier permet la connexion de l'entrée 6′ à la sortie 7′, c'est-à-dire à la sortie relié à la résistance 13 du fonctionnement en mode gril, tandis que l'autre languette 5′ n'agit toujours pas sur la touche de commande 3 du micro-commutateur A qui reste inactive et occupe la même position que dans le mode précédent.The
La manette mobile 2 effectuant un deuxième quart de tour, se trouve dans la position (MO + gril) comme mentionné sur la face avant externe du boîtier du four micro-ondes représenté sur la figure 1. La touche de commande 4 du micro-commutateur B est toujours désactivée et permet donc la liaison de l'entrée 6′ avec la sortie 7′, par contre, la touche de commande 3 du micro-commutateur A est activée par la languette 5′ des moyens d'actionnement de la manette mobile 2. Le contact mobile 21 est ainsi commuté et active la sortie 8 du micro-commutateur A qui est reliée au transformateur 14 du magnétron assurant le fonctionnement micro-ondes. De cette manière, le fonctionnement gril combiné micro-ondes est obtenu.The
Claims (2)
- Device for controlling the electrical power supply circuit of a microwave oven enabling, by means of a movably mounted selector (2) on the external front face of the housing of the said oven, one of the operating modes of the said oven to be selected, the said operating modes being a first microwave mode, a second so-called grill mode for heating by resistance and a third combined grill and microwave mode, characterised in that it includes two microswitches (A-B) mounted in the said power supply circuits and which on the one hand each have a control button (3 - 4) actuating a moving contact (21-24) situated between two fixed contacts (22, 23 - 25, 26) and controlled by actuating means (5 - 5′) carried by the said movable selector (2) so as to obtain selectively one of the three operating modes chosen by a positioning of the movable selector (2), and on the other hand are located inside the said oven on the rear of the external front face of the housing.
- Control device according to Claim 1, characterised in that the movable selector (2) is mounted so as to be movable in rotation about an axis (XX′) transverse to the front face of the oven and the actuating means include blades (5-5′) fixed axially to the internal face of the said selector and each extending in an arc of a circle concentric with the said axis (XX′), whilst the two microswitches (A-B) are disposed at the periphery of the selector so that their control buttons (3 - 4) are actuated non-simultaneously by the said blades.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9015221 | 1990-12-05 | ||
| FR9015221A FR2670273B1 (en) | 1990-12-05 | 1990-12-05 | DEVICE FOR CONTROLLING A MICROWAVE OVEN. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0489383A2 EP0489383A2 (en) | 1992-06-10 |
| EP0489383A3 EP0489383A3 (en) | 1992-09-30 |
| EP0489383B1 true EP0489383B1 (en) | 1994-10-19 |
Family
ID=9402916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91120660A Expired - Lifetime EP0489383B1 (en) | 1990-12-05 | 1991-12-02 | Control system for microwave oven |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0489383B1 (en) |
| KR (1) | KR100220255B1 (en) |
| AT (1) | ATE113155T1 (en) |
| DE (1) | DE69104697T2 (en) |
| ES (1) | ES2064028T3 (en) |
| FR (1) | FR2670273B1 (en) |
| PT (1) | PT99682B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701094B1 (en) * | 1993-01-29 | 1995-03-17 | Eaton Controls Sa | Electric microwave oven control with built-in grill. |
| KR0162241B1 (en) * | 1995-06-23 | 1999-01-15 | 배순훈 | Micro switch of microwave oven |
| IN192091B (en) * | 1995-07-26 | 2004-02-21 | Daewoo Electronics Corp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3046364A (en) * | 1959-09-28 | 1962-07-24 | Gen Railway Signal Co | Token operated electrical switches |
| USRE27545E (en) * | 1971-08-13 | 1973-01-09 | Range open door latching device | |
| US4403128A (en) * | 1976-03-11 | 1983-09-06 | Sharp Kabushiki Kaisha | Microwave oven with a capability of functioning as an electric heating oven |
| JPS55143791A (en) * | 1979-04-24 | 1980-11-10 | Tokyo Shibaura Electric Co | High frequency heater |
| JPS56102620A (en) * | 1980-01-21 | 1981-08-17 | Toshiba Corp | High-frequency heater |
-
1990
- 1990-12-05 FR FR9015221A patent/FR2670273B1/en not_active Expired - Fee Related
-
1991
- 1991-12-02 AT AT91120660T patent/ATE113155T1/en not_active IP Right Cessation
- 1991-12-02 ES ES91120660T patent/ES2064028T3/en not_active Expired - Lifetime
- 1991-12-02 EP EP91120660A patent/EP0489383B1/en not_active Expired - Lifetime
- 1991-12-02 DE DE69104697T patent/DE69104697T2/en not_active Expired - Fee Related
- 1991-12-03 KR KR1019910022031A patent/KR100220255B1/en not_active IP Right Cessation
- 1991-12-04 PT PT99682A patent/PT99682B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69104697D1 (en) | 1994-11-24 |
| KR100220255B1 (en) | 1999-09-15 |
| KR920012824A (en) | 1992-07-27 |
| ATE113155T1 (en) | 1994-11-15 |
| EP0489383A3 (en) | 1992-09-30 |
| DE69104697T2 (en) | 1995-03-16 |
| PT99682A (en) | 1994-01-31 |
| FR2670273B1 (en) | 1998-03-06 |
| EP0489383A2 (en) | 1992-06-10 |
| FR2670273A1 (en) | 1992-06-12 |
| PT99682B (en) | 1999-02-26 |
| ES2064028T3 (en) | 1995-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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