FR2569525A1 - Machine for arranging vines in an espalier formation - Google Patents
Machine for arranging vines in an espalier formation Download PDFInfo
- Publication number
- FR2569525A1 FR2569525A1 FR8413684A FR8413684A FR2569525A1 FR 2569525 A1 FR2569525 A1 FR 2569525A1 FR 8413684 A FR8413684 A FR 8413684A FR 8413684 A FR8413684 A FR 8413684A FR 2569525 A1 FR2569525 A1 FR 2569525A1
- Authority
- FR
- France
- Prior art keywords
- cones
- trellising
- machine according
- wires
- espalier
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/04—Supports for hops, vines, or trees
- A01G17/06—Trellis-work
- A01G17/08—Tools e.g. clips for attaching hops, vines, or boughs to trellis-work; Tying devices
- A01G17/085—Espalier machines; Tying machines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Supports For Plants (AREA)
Abstract
Description
MACHINE A PALISSER LA VIGNE
La présente invention a trait à une machine à palisser la vigne.VINE TRIMMING MACHINE
The present invention relates to a vine trellising machine.
La culture de la vigne se fait sur des rangs où sont alignés les ceps de vigne qui sont porteurs de végétation fragile et touffue. Cette végétation abondante pousse de février à août. Pour supporter les rameaux, on dispose sur la rangée de ceps des piquets reliés par des fils horizontaux. Au cours de la croissance, les rameaux sont issus du brin porté par le fil de palissage inférieur mais ils ne peuvent naturellement atteindre le fil supérieur de palissage. On a pris soin de disposer au préalable près du sol, de part et d'autre de la rangée, deux fils maintenus près du sol. Dès que la végétation est suffisamment développée, on procède à l'opération de palissage. A cet effet les deux fils sont dégagés et remontés jusqu'au niveau des crochets. La végétation est ainsi maintenue à l'intérieur de l'espace entre les fils.On relie ensuite les fils entre eux par des agrafes. The culture of the vine is done on rows where the vine stocks are aligned which are carriers of fragile and dense vegetation. This abundant vegetation grows from February to August. To support the branches, stakes are arranged on the row of stakes connected by horizontal wires. During growth, the twigs come from the strand carried by the lower trellising wire but they cannot naturally reach the upper trellising wire. We took care to have beforehand near the ground, on both sides of the row, two wires kept close to the ground. As soon as the vegetation is sufficiently developed, the trellising operation is carried out. For this purpose the two wires are released and raised to the level of the hooks. The vegetation is thus kept inside the space between the wires, and the wires are then linked together by staples.
Cette opération est pénible et nécessite beaucoup de main d'oeuvre. Par suite, divers constructeurs ont proposé des matériels pour mécaniser le palissage. This operation is painful and requires a lot of manpower. As a result, various manufacturers have proposed equipment to mechanize trellising.
C'est ainsi que l'on a conçu des machines à relever la végétation comportant au droit de chaque fil de palissage une vis sans fin animée+ d'un mouvement de rotation qui, combiné avec le mouvement d'avance, a pour effet de remonter la végétation. Des opérateurs suivent la machine et remontent les fils de palissage dans les crochets puis les agrafent entre eux. This is how we designed machines to pick up vegetation comprising, at the right of each trellising wire, an animated endless screw + with a rotational movement which, combined with the advance movement, has the effect of going up the vegetation. Operators follow the machine and reassemble the trellis wires in the hooks then staple them together.
Ces mécanismes ont l'inconvénient d'avoir une transmission de mouvement pour la rotation des vis bien synchronisée avec l'avancement, ce qui est difficile à régler. These mechanisms have the disadvantage of having a movement transmission for the rotation of the screws that is well synchronized with the advancement, which is difficult to adjust.
En outre, la cinématique de transmission en fait des machines chères.In addition, the transmission kinematics makes them expensive machines.
Le but de l'invention est de proposer une machine de palissage plus simple, plus robuste, plus facile à régler et moins coûteuse. The object of the invention is to provide a simpler, more robust, easier to adjust and less costly trellising machine.
A cet effet, l'invention a pour objet une machine à palisser la vigne, caractérisée en ce qu'elle est constituée d'un bâti susceptible d'être porté par un attelage trois points d'un tracteur et muni d'une potence latérale à laquelle sont suspendus de part et d'autre du rang de vigne à palisser deux cônes de guidage et protection inclinés vers l'avant dans le sens de déplacement du tracteur et en direction des fils de palissage gisant sur le sol, lesdits cones étant articulés autour d'un axe horizontal transversal au rang de vigne et munis à leur extrémité avant inférieure et à leur extrémité arrière supérieure d'un organe de guidage sur lesquels passent les fils à palisser en sorte d'amener ces derniers après passage à l'intérieur des cônes, à l'arrière desdits cônes, à la hauteur des crochets de palissage. To this end, the subject of the invention is a machine for trellising the vine, characterized in that it consists of a frame capable of being carried by a three-point hitch of a tractor and provided with a lateral bracket. to which are suspended on either side of the vine row to train two guide and protection cones inclined forward in the direction of movement of the tractor and in the direction of the trellising wires lying on the ground, said cones being articulated around a horizontal axis transverse to the row of vines and provided at their lower front end and at their upper rear end with a guide member over which the wires to be trained pass so as to bring the latter after passing inside cones, at the rear of said cones, at the height of the trellising hooks.
Au cours du déplacement de la machine les fils de palissage sont relevés et fixes aux crochets par l'opérateur suivant la machine, les cônes étant guidés et soutenus par les fils de palissage. Ces mêmes cônes soulèvent la végétation se trouvant au-dessus de chaque fil en la protégeant de ce dernier qui, sur pratiquement toute la longueur du cône,passe à l'intérieur de celui-ci et n'abime donc pas la végétation. During the movement of the machine the trellising wires are raised and fixed to the hooks by the operator following the machine, the cones being guided and supported by the trellising wires. These same cones lift the vegetation above each wire, protecting it from the latter which, over practically the entire length of the cone, passes inside it and therefore does not damage the vegetation.
Une telle machine est particulièrement simple de fabrication et d'emploi. Such a machine is particularly simple to manufacture and use.
D'autres caractéristiques et avantages ressortiront de la description qui va suivre d'un mode de réalisation de ladite machine, description donnée à titre d'exemple uniquement et en regard du dessin annexé sur lequel la figure unique représente schématiquement, suivant une vue en perspective, une machine conforme à l'invention. Other characteristics and advantages will emerge from the description which follows of an embodiment of said machine, description given by way of example only and with reference to the appended drawing in which the single figure represents schematically, in a perspective view. , a machine according to the invention.
Sur cette figure unique on a représente en 1 les ceps d'un rang de vigne, en 2 les piquets reliés par des fils horizontaux supérieur 3 et inférieur 4 et en 5 les crochets de fixation des fils intermédiaires de palissage 6 lesquels reposent, avant le palissage, sur le sol de part et d'autre de l'alignement des ceps. In this single figure, there is shown in 1 the vines of a row of vines, in 2 the stakes connected by upper 3 and lower 4 horizontal wires and in 5 the hooks for fixing the intermediate trellising wires 6 which rest, before the trellising, on the ground on either side of the alignment of vines.
La machine selon L'invention représentée sur le dessin comprend un bâti métallique 7 susceptible d'être porté par un tracteur 8 par l'intermédiaire de l'attelage trois points de celui-ci. The machine according to the invention shown in the drawing comprises a metal frame 7 capable of being carried by a tractor 8 by means of the three-point hitch thereof.
On a schématisé en 9 les trois points de fixation du bâti 7. The three fixing points of the frame 7 have been shown diagrammatically at 9.
Le bâti 7 disposé derrière le tracteur porte, latéralement au tracteur et vers l'arrière de celui-ci une potence télescopique 10 dont l'élément supérieur lOa peut être positionné verticalement à la hauteur désirée sur l'élément fixe inférieur lOb par des moyens appropriés conventionnels. The frame 7 disposed behind the tractor carries, laterally to the rear of the tractor and a telescopic bracket 10, the upper element lOa can be positioned vertically at the desired height on the lower fixed element lOb by appropriate means conventional.
A la partie supérieure la potence comporte une traverse horizontale 11 également réglable en position horizontalement et verticalement par rapport à la partie 10a par des moyens de réglage-blocage conventionnels non représentés. At the upper part the bracket comprises a horizontal cross member 11 also adjustable in position horizontally and vertically relative to the part 10a by conventional adjustment-blocking means not shown.
A la traverse 11 est suspendue une traverse horizontale 12 par l'intermédiaire d'un parallélogramme articulé symbolisé en 13. Suspended from the cross member 11 is a horizontal cross member 12 by means of an articulated parallelogram symbolized at 13.
La traverse 12 comporte une partie 14 télescopique réglable en position par rapport à la traverse 12. The cross member 12 comprises a telescopic part 14 adjustable in position relative to the cross member 12.
Les pièces 12 et 14 comportent chacune une chape 15 verticale dirigée vers le bas. The parts 12 and 14 each have a vertical yoke 15 directed downwards.
Les deux chapes 15 sont parallèles et supportent deux cônes de guidage-protection 16 par l'intermédiaire de tiges 17 articulées sur l'extrémité desdites chapées 15. The two yokes 15 are parallel and support two guide-protection cones 16 by means of rods 17 articulated on the end of said yokes 15.
Chaque cône 16 est effilé vers l'avant dans le sens de déplacement du tracteur, et incliné vers l'avant en direction des fils 6 gisant à terre, les cônes, en position de travail de la machine, étant disposés de part et d'autre de l'alignement des piquets 2, approximativement parallèlement l'un à l'autre. Each cone 16 is tapered forward in the direction of movement of the tractor, and inclined forward towards the wires 6 lying on the ground, the cones, in the working position of the machine, being arranged on either side another of the alignment of the stakes 2, approximately parallel to each other.
L'extrémité avant inférieure fait un coude en 16a, sensiblement parallèlement au sol, afin que les cônes 16 ne se plantent pas dans la terre. The lower front end makes a bend at 16a, substantially parallel to the ground, so that the cones 16 do not get stuck in the ground.
A l'extrémité avant des cônes 16 est disposé un galet 18 de guidage du fil de palissage 6, celui-ci passant sous le galet puis s'engageant sous le capotage conique pour passer au dessus d'un second galet de guidage- 20 disposé à ltextrémité supérieure arrière au droit d'un orifice 19 ménagé dans ledit capotage. At the front end of the cones 16 is disposed a roller 18 for guiding the trellising wire 6, the latter passing under the roller then engaging under the conical cover to pass over a second guide roller 20 disposed at the rear upper end to the right of an orifice 19 formed in said cowling.
Les cônes 16 disposés à l'avant des tiges 17 sont contre-balancés par un contre-poids 21. The cones 16 arranged at the front of the rods 17 are counterbalanced by a counterweight 21.
Après mise en place en bout de rang des extrémités des deux fils 6 sur les galets 18 et 20 et fixation desdites extrémités sur les crochets 5 du premier piquet 2, la machine est déplacée en direction de autre extrémité du rang. Au cours de son cheminement les cônes 16 ramassent et soulèvent les deux fils 6 à terre et les portent, à l'arrière de la potence 10, à hauteur des crochets 5. Un opérateur monté par exemple sur une plate-forme solidaire du bâti 7 passe les fils sur les crochets 5 et les agrafe au fur et à mesure que se présentent les piquets 2. After the ends of the two wires 6 are placed at the end of the row on the rollers 18 and 20 and the said ends are fixed on the hooks 5 of the first stake 2, the machine is moved in the direction of another end of the row. During its travel the cones 16 pick up and lift the two wires 6 to the ground and carry them, behind the bracket 10, up to the hooks 5. An operator mounted for example on a platform secured to the frame 7 pass the wires over the hooks 5 and staple them as the stakes 2 appear.
Les cônes 16 sont guidés et soutenus par les fils 6, du fait de la liberté de mouvement des cônes (libre articulation autour de l'axe-horizontal 22 des chapes 15 et libre oscillation du parallélogramme déformable 13). Un tel montage permet un bon suivi de l'alignement de la rangée en rattrapant les écarts de direction du tracteur. The cones 16 are guided and supported by the wires 6, due to the freedom of movement of the cones (free articulation around the horizontal axis 22 of the yokes 15 and free oscillation of the deformable parallelogram 13). Such an assembly allows good tracking of the alignment of the row by making up for the deviations in the direction of the tractor.
La végétation qui se trouve au-dessus des fils 6 en amont de la machine suit le parcours ascendant des fils mais est isolée de ces derniers sur toute la longueur des cônes 16 grâce au capotage. The vegetation which is located above the wires 6 upstream of the machine follows the upward path of the wires but is isolated from the latter over the entire length of the cones 16 thanks to the cowling.
La végétation estainsi parfaitement protégée. The vegetation is thus perfectly protected.
Le capotage des cônes 16 n'est pas complètement fermé afin de faciliter la mise en place des fils 6. The cover of the cones 16 is not completely closed in order to facilitate the positioning of the wires 6.
L'écartement entre les cônes ainsi que le positionnement de ces derniers en hauteur et par rapport au tracteur sont particulirèement aisés grâce aux organes mobiles l0a, 11 et 14. The spacing between the cones and the positioning of the latter in height and relative to the tractor are particularly easy thanks to the movable members 10a, 11 and 14.
If est à noter que cette machine peut également servir à mettre en place des ficelles de palissage. Dans ce cas, il n'y a pas au sol de fil de palissage. Deux bobines de ficelle sont montées sur la machine par exemple au droit des chapes 15. L'extrémité des ficelles est passée sur les galets 20 puis fixées aux crochets 5 du premier piquet. If it should be noted that this machine can also be used to set up trellising strings. In this case, there is no trellising wire on the ground. Two spools of string are mounted on the machine, for example in line with the yokes 15. The end of the strings is passed over the rollers 20 and then fixed to the hooks 5 of the first stake.
La machine est alors déplacée en direction de l'autre extrémité du rang. Au fur et à mesure les ficelles sont accrochées au passage des crochets 5 et agrafées. The machine is then moved towards the other end of the row. As the strings are hooked to the passage of the hooks 5 and stapled.
Bien entendu l'invention n'est pas limitée au mode de réalisation représenté et décrit ci-dessus mais en couvre au contraire toutes les variantes notamment en ce qui concerne la nature des organes de guidage des fils 6 sur les cônes 16 ou les forme, dimension et disposition de ces derniers. Of course, the invention is not limited to the embodiment shown and described above, but on the contrary covers all variants thereof, in particular as regards the nature of the guide members of the wires 6 on the cones 16 or the shapes, dimension and arrangement of these.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8413684A FR2569525B1 (en) | 1984-09-04 | 1984-09-04 | VINE TRIMMING MACHINE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8413684A FR2569525B1 (en) | 1984-09-04 | 1984-09-04 | VINE TRIMMING MACHINE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2569525A1 true FR2569525A1 (en) | 1986-03-07 |
| FR2569525B1 FR2569525B1 (en) | 1986-09-12 |
Family
ID=9307470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8413684A Expired FR2569525B1 (en) | 1984-09-04 | 1984-09-04 | VINE TRIMMING MACHINE |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2569525B1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2623369A1 (en) * | 1987-11-23 | 1989-05-26 | Pellenc & Motte | Tying-up machine for vines or other plants or shrubs |
| EP0318406A2 (en) * | 1987-11-23 | 1989-05-31 | ETABLISSEMENTS PELLENC ET MOTTE (Société Anonyme) | Espalier machine for vine or other plants or saplings and clasp being used by that machine |
| FR2726153A1 (en) * | 1994-10-27 | 1996-05-03 | Moet & Chandon | MACHINE FOR AUTOMATICALLY LIGATING VINEYARDS ON A TIGHT WIRE |
| FR2839610A1 (en) * | 2002-05-15 | 2003-11-21 | Tordable Sa | Lifting system for tied vines comprises motorized screw mounted on cradle connected to plate on chassis adapted to tractor |
| FR2839611A1 (en) * | 2002-05-15 | 2003-11-21 | Tordable Sa | Capture, guiding and removal device for vine tying wires consists of module comprising freely rotating rollers supported by pivots able to separate or close them |
| FR2869198A1 (en) * | 2004-04-23 | 2005-10-28 | Champagne Moet & Chandon Sa | Tie in device for rolling agricultural machine, has raising device with raising wheels, and connection device with connection units, where wheels and connection units have guiding units with respective grippers extending outwards |
| ITPN20110014A1 (en) * | 2011-03-04 | 2012-09-05 | Claudio Bortolussi | EQUIPMENT FOR THE MECHANIZED MOVEMENT OF MOVABLE WIRES OF A PLANT WIRE AND ITS FUNCTIONING PROCEDURE |
| FR2974706A1 (en) * | 2011-05-04 | 2012-11-09 | Ile De Chateau Leoville Las Cases Soc Civ | Tying thread raising device for use with e.g. tractor for raising tying thread for vine, has seizure module including arms pivotally mounted relative to rail, where each arm is equipped with roller for guiding tying thread |
| ITUD20130155A1 (en) * | 2013-11-21 | 2015-05-22 | Prestil S R L | APPARATUS AND METHOD FOR THE POSITIONING OF THREADS ON PLANTS |
| FR3024326A1 (en) * | 2014-07-30 | 2016-02-05 | Dmp Concept | DEVICE FOR RETRIEVING BANDS FOR A PALLET MACHINE AND PALLET MACHINE EQUIPPED WITH SUCH A DEVICE |
| CN110199768A (en) * | 2019-05-29 | 2019-09-06 | 宁夏大学 | A kind of movable grape hedge frame system |
| US10842088B1 (en) | 2018-04-11 | 2020-11-24 | Hagoth Industries, Llc | Hop yard stringing apparatus and method |
| FR3106716A1 (en) * | 2020-02-03 | 2021-08-06 | Etablissements Collard | TOOL SUPPORT CHASSIS DEVICE |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2170946A1 (en) * | 1972-02-09 | 1973-09-21 | Ballu Gabriel | |
| FR2269855A1 (en) * | 1974-03-27 | 1975-12-05 | Dagnaud Jacques | Tractor-towed machine for staking grape-vines - has inverted U-frame with uprights having devices for lifting vines, reels for wire and staplers |
| FR2270781A1 (en) * | 1974-05-17 | 1975-12-12 | Dabrigeon Rene | Machine for tying up vines - has lifting arms raising shoots to wires and stapler |
-
1984
- 1984-09-04 FR FR8413684A patent/FR2569525B1/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2170946A1 (en) * | 1972-02-09 | 1973-09-21 | Ballu Gabriel | |
| FR2269855A1 (en) * | 1974-03-27 | 1975-12-05 | Dagnaud Jacques | Tractor-towed machine for staking grape-vines - has inverted U-frame with uprights having devices for lifting vines, reels for wire and staplers |
| FR2270781A1 (en) * | 1974-05-17 | 1975-12-12 | Dabrigeon Rene | Machine for tying up vines - has lifting arms raising shoots to wires and stapler |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2623369A1 (en) * | 1987-11-23 | 1989-05-26 | Pellenc & Motte | Tying-up machine for vines or other plants or shrubs |
| EP0318406A2 (en) * | 1987-11-23 | 1989-05-31 | ETABLISSEMENTS PELLENC ET MOTTE (Société Anonyme) | Espalier machine for vine or other plants or saplings and clasp being used by that machine |
| EP0318406A3 (en) * | 1987-11-23 | 1989-08-09 | Etablissements Pellenc Et Motte (Societe Anonyme) | Espalier machine for vine or other plants or saplings and clasp being used by that machine |
| FR2726153A1 (en) * | 1994-10-27 | 1996-05-03 | Moet & Chandon | MACHINE FOR AUTOMATICALLY LIGATING VINEYARDS ON A TIGHT WIRE |
| WO1996013147A1 (en) * | 1994-10-27 | 1996-05-09 | Champagne Moët & Chandon | Machine for automatically binding vine shoots to a taut wire |
| FR2839610A1 (en) * | 2002-05-15 | 2003-11-21 | Tordable Sa | Lifting system for tied vines comprises motorized screw mounted on cradle connected to plate on chassis adapted to tractor |
| FR2839611A1 (en) * | 2002-05-15 | 2003-11-21 | Tordable Sa | Capture, guiding and removal device for vine tying wires consists of module comprising freely rotating rollers supported by pivots able to separate or close them |
| WO2003096793A1 (en) * | 2002-05-15 | 2003-11-27 | Tordable S.A. | Gripping device for guiding and lifting training wires of trained plants |
| WO2003096792A1 (en) * | 2002-05-15 | 2003-11-27 | Tordable S.A. | Device for lifting trained plants |
| FR2869198A1 (en) * | 2004-04-23 | 2005-10-28 | Champagne Moet & Chandon Sa | Tie in device for rolling agricultural machine, has raising device with raising wheels, and connection device with connection units, where wheels and connection units have guiding units with respective grippers extending outwards |
| ITPN20110014A1 (en) * | 2011-03-04 | 2012-09-05 | Claudio Bortolussi | EQUIPMENT FOR THE MECHANIZED MOVEMENT OF MOVABLE WIRES OF A PLANT WIRE AND ITS FUNCTIONING PROCEDURE |
| WO2012119871A1 (en) * | 2011-03-04 | 2012-09-13 | Claudio Bortolussi | Apparatus for the mechanized displacement of movable wires on a row of plants and relative process of operation |
| RU2579267C2 (en) * | 2011-03-04 | 2016-04-10 | Клаудио БОРТОЛУССИ | Device for mechanical movement of movable wires in row of plants and corresponding operating method |
| US9402352B2 (en) | 2011-03-04 | 2016-08-02 | Claudio Bortolussi | Apparatus for the mechanized displacement of movable wires on a row of plants and relative process of operation |
| FR2974706A1 (en) * | 2011-05-04 | 2012-11-09 | Ile De Chateau Leoville Las Cases Soc Civ | Tying thread raising device for use with e.g. tractor for raising tying thread for vine, has seizure module including arms pivotally mounted relative to rail, where each arm is equipped with roller for guiding tying thread |
| ITUD20130155A1 (en) * | 2013-11-21 | 2015-05-22 | Prestil S R L | APPARATUS AND METHOD FOR THE POSITIONING OF THREADS ON PLANTS |
| FR3024326A1 (en) * | 2014-07-30 | 2016-02-05 | Dmp Concept | DEVICE FOR RETRIEVING BANDS FOR A PALLET MACHINE AND PALLET MACHINE EQUIPPED WITH SUCH A DEVICE |
| US10842088B1 (en) | 2018-04-11 | 2020-11-24 | Hagoth Industries, Llc | Hop yard stringing apparatus and method |
| CN110199768A (en) * | 2019-05-29 | 2019-09-06 | 宁夏大学 | A kind of movable grape hedge frame system |
| CN110199768B (en) * | 2019-05-29 | 2024-05-07 | 宁夏大学 | Movable grape trellis frame system |
| FR3106716A1 (en) * | 2020-02-03 | 2021-08-06 | Etablissements Collard | TOOL SUPPORT CHASSIS DEVICE |
| WO2021156301A1 (en) * | 2020-02-03 | 2021-08-12 | Etablissements Collard | Tool-supporting framework device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2569525B1 (en) | 1986-09-12 |
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