EP0271044A2 - Dispositif d'application de liquide pour souliers et similaires - Google Patents

Dispositif d'application de liquide pour souliers et similaires Download PDF

Info

Publication number
EP0271044A2
EP0271044A2 EP87118069A EP87118069A EP0271044A2 EP 0271044 A2 EP0271044 A2 EP 0271044A2 EP 87118069 A EP87118069 A EP 87118069A EP 87118069 A EP87118069 A EP 87118069A EP 0271044 A2 EP0271044 A2 EP 0271044A2
Authority
EP
European Patent Office
Prior art keywords
fluid
cap
domed surface
container
sidewall
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.)
Withdrawn
Application number
EP87118069A
Other languages
German (de)
English (en)
Other versions
EP0271044A3 (fr
Inventor
Vincent J. Lasorso, Jr.
Larry W. Bergeson
Russell H. Petersen
Ronald G. Ruffalo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SC Johnson and Son Inc
Original Assignee
SC Johnson and Son Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US07/068,856 external-priority patent/US4762433A/en
Application filed by SC Johnson and Son Inc filed Critical SC Johnson and Son Inc
Publication of EP0271044A2 publication Critical patent/EP0271044A2/fr
Publication of EP0271044A3 publication Critical patent/EP0271044A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/04—Hand implements for shoe-cleaning, with or without applicators for shoe polish
    • A47L23/05—Hand implements for shoe-cleaning, with or without applicators for shoe polish with applicators for shoe polish

Definitions

  • the present invention is directed to a novel fluid applicator for applying a suitable fluid onto a surface to be treated.
  • the novel fluid applicator is preferably used to apply shoe polish onto a shoe.
  • the present invention is also directed to a combination comprising the novel fluid applicator together with a fluid container.
  • a number of conventional fluid applicators are available which generally comprise a plurality of mechanical elements and/or components that are designed to cooperatively function in a predetermined manner. Many fluid applicators of this type, as a practical matter, often do not function entirely as desired. That is, a fluid passageway or an orifice may plug or leak; a valve or a biasing element may jam; or mechanical ele­ments (or components) -- although designed to sealingly engage together -- may not seat properly. Any one of the several aforementioned occurrences may result in the conventional fluid applicator functioning in a less-­than-desired manner.
  • the present fluid applicator is configured not only to virtually eliminate pluggage of its discharge aperture (or discharge orifice) but also to keep its fluid passageway and associated valve means unclogged as well.
  • the present fluid appli­cator includes a valve means which seals automatically when not in use (the details of which will be further discussed hereinbelow). Still further, the present fluid applicator is relatively simple in construction, an important operational consideration.
  • the present invention is therefore directed to a fluid applicator including a cap having a sidewall defining a cavity, a resiliently-deformable domed sur­face surrounded by the sidewall, a portion of the domed surface extending outwardly from the cap cavity, the domed surface defining at least two spaced-apart apertures, and an insert removably disposable into the cap cavity and engageable with the cap sidewall, the insert comprising a fluid-distributing substance, at least one of the two spaced-apart apertures providing the domed surface with a valve means which opens in response to deformation of the domed surface to allow fluid to flow by gravity through the one aperture when a portion of the domed surface in the vicinity of such aperture is subjected to a predetermined dome-deforming force and such aperture is disposed generally downwardly and which closes automatically in a substantially fluid-­tight manner upon removal of the predetermined force from the domed surface, the domed surface being so configured as to enable fluid to flow by gravity gen­erally away from each of the apertures
  • the present invention is directed not only to a novel fluid applicator but also to a combination comprising the present fluid applicator together with a generally elongated fluid container.
  • the present fluid applicator is preferably used to apply shoe polish onto a shoe.
  • the elongated fluid container includes an integral base and is generally configured to contain the desired fluid in an upstanding manner when positioned on its base.
  • the fluid container has a mouth or opening -- at that end portion which is opposite the base -- and is able to be manipulated from the upstanding position to a so-called "working" (i.e., "inverted") position (whereby the fluid is permitted to flow by gravity through the fluid container opening).
  • the container can, of course, be designed to be squeezable when inverted, if desired.
  • FIGURES 4, 6 and 7 illustrate three preferred embodiments of the novel fluid applicator
  • FIGURE 1 illustrates the novel applicator-­and-container combination in one preferred use, namely, for manually applying shoe polish onto a shoe.
  • the present disclosure therefore, is to be considered as an exemplification of the present invention without limitation to the specific embodiments illustrated.
  • the present invention is preferably hand held and is configured to contain a suitable fluid, such as shoe polish, for application onto a shoe 20.
  • a suitable fluid such as shoe polish
  • other suitable shoe-application fluids include water-repellent fluids for shoes, and the like.
  • the present invention as will be appreciated by those skilled in the art -- can be used to apply a suitable fluid onto a variety of surfaces, so as to provide a corresponding variety of surface-treatment applications.
  • a bottle or container 22 is so configured as to contain such a fluid; and the container 22 has an opening or mouth 33 (FIGURE 2) through which the fluid is able to flow by gravity when the container 22 is disposed in the inverted position, as is shown in FIGURE 1.
  • the container 22 is further generally configured to include an integral base 23 (FIGURE 1), to enable the container 22 to be disposed in an upstanding position (such position is not shown) when desired.
  • FIGURES 2-5 the novel fluid applicator of the present invention will be discussed.
  • the illustrated fluid applicator 24 is removably yet snugly engageable with the opening or mouth 33 of container 22, for providing the fluid container 22 with a substantially fluid-tight seal around the opening 33 thereof.
  • a substantially hollow overcap 26 (FIGURE 1) is preferably configured so as to receive the fluid applicator 24, and to removably engage with the container 22, so that the container 22 can conveniently be stored, for example, in a glove compartment, a purse, or the like, until use of the fluid applicator 24 is desired.
  • the fluid applicator 24 preferably made of a suitable, substantially resilient material such as plasticized polyvinyl chloride (PVC), a synthetic rubber, and the like, -- comprises a container cap 25 (FIGS. 2-7) having an exterior, cap sidewall 28 defining an external, cap cavity 30.
  • PVC plasticized polyvinyl chloride
  • the container cap 25 is removably -- yet snugly -- engageable with the fluid container 22, for providing the fluid container 22 with a substantially fluid-tight seal along the mouth or opening 33 thereof.
  • the container cap 25 includes a substantially hollow, integral annular collar 31 having a cross-sectional area -- dimensioned relative to the cross-sectional area of the fluid-container opening 33, and otherwise configured -- so as to provide the fluid container 22 with the substantially fluid-tight seal mentioned above.
  • the resilient collar 31 can be suitably internally configured to include a resilient annular abutment 35, so that the fluid container 22 and the fluid applicator 24 are not only removably engageable (as mentioned above) but also capable of providing the above-mentioned substantially fluid-tight seal along the entire circumference of the container opening or mouth 33.
  • the container cap 25 has a resiliently-deformable domed surface 32, that is preferably substantially hemispherical in shape (FIGURES 2 and 3) and surrounded by the cap sidewall 28. A portion of the domed surface 32 extends outwardly from the cap cavity 30 (FIGURE 2).
  • the domed surface 32 defines at least two spaced-apart orifices or apertures 34.
  • the domed surface 32 defines three spaced-apart apertures 34 (FIGURE 3), each such aperture 34 being characterized as a radially disposed slit, any one slit being spaced substantially equally from its two nearest slit neighbors (i.e., about 120 degrees).
  • the preferred inside radius of the hemisphere -- for applying shoe polish -- is about 0.137 inches. Selecting a suitable hemisphere radius is, of course, a matter of design choice, which is a matter that is well known to those skilled in the art.
  • the fluid applicator 24 further comprises a cap insert 36 (FIGURE 4) removably yet snugly receivable into the cap cavity 30 and engageable with the cap sidewall 28.
  • the insert 36 comprises a fluid-distributing substance or material such as the illustrated absorbent, foraminous, resilient, sponge-like or foam applicator pad or dauber 38.
  • the fluid-distributing material is an absorbent foam -- such as reticulated polyurethane -- having about 30 to about 40 pores per linear inch.
  • the domed surface 32 of the container cap 25 further preferably includes an exterior, integral nipple or protuberance 50 (FIGURES 2 and 4), extending outwardly from the cap cavity 30 and disposed toward the foam pad or dauber 38.
  • FIGURES 2 and 4 integral nipple or protuberance 50
  • the foam pad or dauber 38 is characterized as consisting essentially of interconnected, relatively small-diameter passageways 39 (FIGURE 4).
  • the foam pad or dauber 38 is, moreover, preferably configured so that the desired fluid -- such as shoe polish -- is applied substantially evenly onto the desired substrate (e.g., a shoe).
  • the foam pad or dauber 38 is further preferably configured so that undesirable fluid-flow problems (such as fluid "running” and fluid "dripping" problems), typically met in many conventional fluid-application situations, are substantially eliminated.
  • the illustrated foam pad or dauber 38 preferably has a thickness of about 1/2 to about 1 and 1/4 inches, such being a matter of design choice.
  • At least one of the apertures or slits 34 provides the domed surface 32 with a valve means which opens in response to deformation of the domed surface 32 to allow fluid to flow by gravity through the one slit thereby effecting fluid communication from the fluid container 22 to the foam pad or dauber 38 when the fluid container 22 is disposed in the inverted position (FIGURE 1) and a portion of the domed surface 32 in the vicinity of the such aperture or slit 34 is subjected to a predetermined force F.
  • the predetermined force F is preferably substantially evenly distributed over the top surface of the foam pad or dauber 38.
  • At least a portion of the cap cavity insert 36 is movable relative to the domed surface 32 for removably applying the predetermined force F to the domed surface 32 for opening and closing the valve means.
  • the valve means moveover -- because of the resiliency of the cap 25 in general and the domed surface 32 in particular -- closes automatically in a substantially fluid-tight manner upon removal from the domed surface 32 of the predetermined force F.
  • the slits may not close satisfactorily if the domed surface 32 is too thin, whereas the slits may not open satisfactorily if the domed surface is too thick.
  • the wall thickness of the domed surface 32 is preferably about 2.997 to about 5.842 millimeters, which, of course, is a matter of design choice depending, for example, upon the type of resilient material chosen for the domed surface, the relative position and location of the slits, the individual slit length, etc.
  • the preferred slit length is about 2.381 to about 3.969 millimeters; and the preferred slit position is centered (FIGURE 3) and located about .114 inches above the base of the cap cavity 30. (Location above the cap cavity is a matter of design choice which depends -- to a large extent, of course -- upon the radius of the domed surface hemisphere and the wall thickness of the domed surface 32.)
  • the domed surface 32 is so configured as to enable fluid to flow by gravity generally away from each of the aperatures or slits 34 when the fluid container 22 is disposed in the above-mentioned upstanding position.
  • the cap sidewall 28 includes a radially-inwardly disposed, integral flange 40 (FIGURES 2-4) for removably -- yet snugly -- retaining the cap cavity insert 36 in the cap cavity 30.
  • FIGURES 2-4 integral flange 40
  • FIGURES 4 and 5 illustrate how one embodiment of the cap cavity insert 36 is removably -- yet snugly -- retained in the cap cavity 30
  • FIGURES 6 and 7 illustrate how two other embodiments of the cap cavity insert 36A and 36B are, respectively, removably retained in the cap cavity 30 as well.
  • the cap sidewall 28 defines an inner circumferential slot 42 (FIGURES 4 and 6) of radial and longitudinal dimension sufficient to removably receive the insert 36, 36A or 36B (FIGURES 4, 6 or 7, respectively) and to allow a portion of the cap cavity insert to be moved relative to the domed surface 32 (FIGURE 5) to open (FIGURE 8) and close (FIGURE 4) the valve means automatically, as desired.
  • FIGURES 4 and 6 an inner circumferential slot 42 of radial and longitudinal dimension sufficient to removably receive the insert 36, 36A or 36B (FIGURES 4, 6 or 7, respectively) and to allow a portion of the cap cavity insert to be moved relative to the domed surface 32 (FIGURE 5) to open (FIGURE 8) and close (FIGURE 4) the valve means automatically, as desired.
  • the cross-sectional area of a portion of the insert 36, 36A or 36B is preferably so dimensioned relative to the cross-sectional area of the cap sidewall 28 and the flange 40 as to enable the cap cavity insert to be removably yet snugly received into the cap cavity 30, engageable with the cap 25 along the cap sidewall 28 thereof, and retained in the cap cavity 30 by the flange 40 (FIGURE 4).
  • the container cap 25 further preferably includes a plurality of peripherally spaced-apart exterior, integral ribs 44.
  • Each such rib 44 is unitary or "integral" not only with the cap sidewall 28 but also with an exterior surface portion of the container cap 25, to provide the cap sidewall 28 with both radial as well as longitudinal support, for opposing any substantial sidewall deformation when the cap cavity insert 36, 36A or 36B is disposed in the cap cavity 30 and either the cap cavity insert or the cap sidewall 28 is moved relative to the other.
  • each of the inserts 36 and 36A further preferably comprises a respective ring 46 and 46A to which the foam pad or dauber 38 and 38A is preferably adhesively bonded, utilizing a suitable adhesive.
  • the illustrated ring 46 and 46A is preferably made of (or formed from) a substantially rigid material such as polystyrene, unplasticized PVC, and the like.
  • the entire container cap 25 is made from a resilient material; and it can be appreciated that the ring is preferably dimensioned relative to the cap cavity 30 so that the ring 46 and 46A is removably snap-engageable with the cap cavity 30. That is, the resilient nature of the container cap 25 is such as to enable the cap flange 40 to flex radially outwardly to receive the ring into -- and, at some other time, able to similarly flex radially outwardly to allow the ring to be removed from -- the cap cavity 30.
  • the inner, circumferential slot 42 defined by cap sidewall 28 is of radial and longitudinal dimension sufficient to removably receive the ring 46 and to allow the ring 46 to be moved -- to a minor degree -- relative to the cap sidewall 28. While in other applications (FIGURE 6) it is desirable that there be no longitudinal movement of the ring 46A relative to the cap 28. In either arrangement (i.e., FIGURE 4 or 6), the ring 46 or 46A is used to retain the foam pad or dauber 38 in the cap cavity 30.
  • the ring 46 or 46A preferably defines a hole 48 or 48A that substantially surrounds the domed surface 32 of the container cap 25.
  • the cross-sectional area of the ring hole 48 or 48A is preferably so dimensioned relative to the cross-sectional area of the domed surface 32 as to allow a major portion of the domed surface 32 to be disposed through the ring hole 48 or 48A and brought into biasing engagement with the foam pad or dauber 38 for opening the valve means in the manner described above.
  • a user presses the foam or dauber portion of the cap cavity insert against a shoe surface.
  • a suitably deforming force applied to the foam or dauber portion of the insert, causes the cap cavity insert to deform the domed surface 32 (FIGURE 5).
  • Such deformation causes at least one of the apertures or slits 34 to open (FIGURE 8).
  • fluid container 22 in the inverted position (FIGURE 1), fluid then flows by gravity onto and through the foam or dauber 38, and thereafter onto the shoe 20.
  • the cap cavity insert 36B need not include a ring at all. Rather, the foam pad or dauber 38B can be so formed as to have an integral, radially-outwardly disposed lip 41 which snugly fits within the inner circumferential slot defined by cap sidewall 28.
  • the foam pad or dauber 38C can be annular in shape and otherwise so configured as to allow the cap nipple 50 to be disposed through the foam pad or dauber 38C for direct contact with a shoe 20 (FIGURE 1), if desired.
EP87118069A 1986-12-08 1987-12-07 Dispositif d'application de liquide pour souliers et similaires Withdrawn EP0271044A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US93932786A 1986-12-08 1986-12-08
US939327 1986-12-08
US07/068,856 US4762433A (en) 1987-07-02 1987-07-02 Fluid applicator for shoes and the like
US68856 1987-07-02

Publications (2)

Publication Number Publication Date
EP0271044A2 true EP0271044A2 (fr) 1988-06-15
EP0271044A3 EP0271044A3 (fr) 1988-09-07

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EP87118069A Withdrawn EP0271044A3 (fr) 1986-12-08 1987-12-07 Dispositif d'application de liquide pour souliers et similaires

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EP (1) EP0271044A3 (fr)
MX (1) MX159757A (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290310A1 (fr) * 1987-04-28 1988-11-09 D.P. Europe S.A. Tampon souple pour produit à étaler
NL1011711C2 (nl) * 1999-03-31 2000-10-03 Sara Lee De Nv Inrichting voor het bewerken van een oppervlak, in het bijzonder van een leren oppervlak, zoals dat van leren schoenen.
NL1015223C2 (nl) * 2000-05-17 2001-06-07 Sara Lee De Nv Inrichting voor het bewerken van een oppervlak, in het bijzonder van een leren oppervlak, zoals dat van leren schoenen.
EP1565326A2 (fr) * 2002-11-06 2005-08-24 Color Access, Inc. Emballage a applicateur a ensemble tampon applicateur jetable
EP2138067A1 (fr) * 2008-06-24 2009-12-30 Figie Luxembourg S.A. Tête d'application de produit fluide et dispositif comportant une telle tête
WO2018089211A1 (fr) 2016-11-08 2018-05-17 Ecolab Usa Inc. Agent de nettoyage non aqueux pour souillures à base d'huile végétale
EP3456809A1 (fr) 2012-10-04 2019-03-20 Ecolab USA, Inc. Technologie de prétrempage pour blanchissage et autre nettoyage de surfaces dures
US10472162B2 (en) 2016-09-09 2019-11-12 The Clorox Company Continuous spray dispenser for highly corrosive and other low compatibility products
WO2021030676A1 (fr) 2019-08-14 2021-02-18 Ecolab Usa Inc. Procédés de nettoyage et de libération des salissures de substrats absorbant hautement l'huile utilisant des tensioactifs non ioniques à chaîne allongée optimisés
US11103118B2 (en) 2014-08-01 2021-08-31 Ecolab Usa Inc. Method of manual surface cleaning using cleaning textiles and of washing said cleaning textiles
WO2022010911A1 (fr) 2020-07-06 2022-01-13 Ecolab Usa Inc. Compositions d'alcool/eau mixtes moussantes comprenant un siloxane alcoxylé structuré
WO2022010906A1 (fr) 2020-07-06 2022-01-13 Ecolab Usa Inc. Compositions à base d'huile de ricin modifiée par peg pour la microémulsification et l'élimination de multiples salissures grasses
WO2024020445A1 (fr) 2022-07-20 2024-01-25 Ecolab Usa Inc. Nouveaux tensioactifs allongés non ioniques, compositions et procédés d'utilisation de ceux-ci

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920330A (en) * 1958-09-29 1963-03-06 Kork N Seal Ltd Improvements in or relating to containers and closures therefor
FR1462824A (fr) * 1965-02-18 1966-12-16 Distributeur de fluide à corps monobloc
DE1271920B (de) * 1962-12-03 1968-07-04 Gilbert Schwartzman Fluessigkeitsauftragvorrichtung mit Verschlusseinsatz, Verreiberkoerper und Abschlussventil
US3410645A (en) * 1967-05-08 1968-11-12 Schwartzman Gilbert Concave diaphragm applicator
DE2017009A1 (de) * 1970-04-09 1971-10-21 Fritz, Victor, 6500 Mainz Aufträger für Behälter mit Reinigungsflüssigkeiten aller Art
US4201491A (en) * 1978-06-19 1980-05-06 Truly Magic Products, Inc. Liquid applicator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920330A (en) * 1958-09-29 1963-03-06 Kork N Seal Ltd Improvements in or relating to containers and closures therefor
DE1271920B (de) * 1962-12-03 1968-07-04 Gilbert Schwartzman Fluessigkeitsauftragvorrichtung mit Verschlusseinsatz, Verreiberkoerper und Abschlussventil
FR1462824A (fr) * 1965-02-18 1966-12-16 Distributeur de fluide à corps monobloc
US3410645A (en) * 1967-05-08 1968-11-12 Schwartzman Gilbert Concave diaphragm applicator
DE2017009A1 (de) * 1970-04-09 1971-10-21 Fritz, Victor, 6500 Mainz Aufträger für Behälter mit Reinigungsflüssigkeiten aller Art
US4201491A (en) * 1978-06-19 1980-05-06 Truly Magic Products, Inc. Liquid applicator

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290310A1 (fr) * 1987-04-28 1988-11-09 D.P. Europe S.A. Tampon souple pour produit à étaler
US7441975B1 (en) 1999-03-31 2008-10-28 Sara Lee / De N.V. Device for treating a surface, in particular a leather surface, such as that of leather shoes
NL1011711C2 (nl) * 1999-03-31 2000-10-03 Sara Lee De Nv Inrichting voor het bewerken van een oppervlak, in het bijzonder van een leren oppervlak, zoals dat van leren schoenen.
WO2000057764A3 (fr) * 1999-03-31 2003-04-17 Sara Lee De Nv Dispositif permettant de traiter une surface, notamment une surface en cuir, celle de souliers par exemple
AU777736B2 (en) * 1999-03-31 2004-10-28 S.C. Johnson & Son, Inc. Device for treating a surface, in particular a leather surface, such as that of leather shoes
WO2000057764A2 (fr) * 1999-03-31 2000-10-05 Sara Lee/De N.V. Dispositif permettant de traiter une surface, notamment une surface en cuir, celle de souliers par exemple
NL1015223C2 (nl) * 2000-05-17 2001-06-07 Sara Lee De Nv Inrichting voor het bewerken van een oppervlak, in het bijzonder van een leren oppervlak, zoals dat van leren schoenen.
EP1565326A2 (fr) * 2002-11-06 2005-08-24 Color Access, Inc. Emballage a applicateur a ensemble tampon applicateur jetable
EP1565326A4 (fr) * 2002-11-06 2006-10-11 Color Access Inc Emballage a applicateur a ensemble tampon applicateur jetable
EP2138067A1 (fr) * 2008-06-24 2009-12-30 Figie Luxembourg S.A. Tête d'application de produit fluide et dispositif comportant une telle tête
EP3456809A1 (fr) 2012-10-04 2019-03-20 Ecolab USA, Inc. Technologie de prétrempage pour blanchissage et autre nettoyage de surfaces dures
US11103118B2 (en) 2014-08-01 2021-08-31 Ecolab Usa Inc. Method of manual surface cleaning using cleaning textiles and of washing said cleaning textiles
US10472162B2 (en) 2016-09-09 2019-11-12 The Clorox Company Continuous spray dispenser for highly corrosive and other low compatibility products
WO2018089211A1 (fr) 2016-11-08 2018-05-17 Ecolab Usa Inc. Agent de nettoyage non aqueux pour souillures à base d'huile végétale
WO2021030676A1 (fr) 2019-08-14 2021-02-18 Ecolab Usa Inc. Procédés de nettoyage et de libération des salissures de substrats absorbant hautement l'huile utilisant des tensioactifs non ioniques à chaîne allongée optimisés
WO2022010911A1 (fr) 2020-07-06 2022-01-13 Ecolab Usa Inc. Compositions d'alcool/eau mixtes moussantes comprenant un siloxane alcoxylé structuré
WO2022010906A1 (fr) 2020-07-06 2022-01-13 Ecolab Usa Inc. Compositions à base d'huile de ricin modifiée par peg pour la microémulsification et l'élimination de multiples salissures grasses
WO2024020445A1 (fr) 2022-07-20 2024-01-25 Ecolab Usa Inc. Nouveaux tensioactifs allongés non ioniques, compositions et procédés d'utilisation de ceux-ci

Also Published As

Publication number Publication date
MX159757A (es) 1989-08-17
EP0271044A3 (fr) 1988-09-07

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