ITMI20020281A1 - Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei - Google Patents

Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei

Info

Publication number
ITMI20020281A1
ITMI20020281A1 IT2002MI000281A ITMI20020281A ITMI20020281A1 IT MI20020281 A1 ITMI20020281 A1 IT MI20020281A1 IT 2002MI000281 A IT2002MI000281 A IT 2002MI000281A IT MI20020281 A ITMI20020281 A IT MI20020281A IT MI20020281 A1 ITMI20020281 A1 IT MI20020281A1
Authority
IT
Italy
Prior art keywords
phosfazenic
perfluoropolyereal
oils
cyclic
additives
Prior art date
Application number
IT2002MI000281A
Other languages
English (en)
Italian (it)
Inventor
Claudio Tonelli
Patrizia Maccone
Antonio Russo
Original Assignee
Ausimont Spa
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
Application filed by Ausimont Spa filed Critical Ausimont Spa
Priority to IT2002MI000281A priority Critical patent/ITMI20020281A1/it
Publication of ITMI20020281A0 publication Critical patent/ITMI20020281A0/it
Priority to EP20030002800 priority patent/EP1336614A1/en
Priority to JP2003034057A priority patent/JP2004002308A/ja
Priority to US10/366,414 priority patent/US7026509B2/en
Publication of ITMI20020281A1 publication Critical patent/ITMI20020281A1/it
Priority to US11/110,817 priority patent/US20050187116A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/335Polymers modified by chemical after-treatment with organic compounds containing phosphorus
    • C08G65/3356Polymers modified by chemical after-treatment with organic compounds containing phosphorus having nitrogen in addition to phosphorus
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6581Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
    • C07F9/65812Cyclic phosphazenes [P=N-]n, n>=3
    • C07F9/65815Cyclic phosphazenes [P=N-]n, n>=3 n = 3
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6581Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
    • C07F9/65812Cyclic phosphazenes [P=N-]n, n>=3
    • C07F9/65817Cyclic phosphazenes [P=N-]n, n>=3 n = 4
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02Polyalkylene oxides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04Phosphate esters
    • C10M137/06Metal salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M153/00Lubricating compositions characterised by the additive being a macromolecular compound containing phosphorus
    • C10M153/04Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2650/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G2650/28Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
    • C08G2650/46Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen
    • C08G2650/48Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen containing fluorine, e.g. perfluropolyethers
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06Perfluoro polymers
    • C10M2213/0606Perfluoro polymers used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/08Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-nitrogen bonds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2225/00Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2225/04Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10Form in which the lubricant is applied to the material being lubricated semi-solid; greasy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Lubricants (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT2002MI000281A 2002-02-14 2002-02-14 Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei ITMI20020281A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2002MI000281A ITMI20020281A1 (it) 2002-02-14 2002-02-14 Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei
EP20030002800 EP1336614A1 (en) 2002-02-14 2003-02-07 Cyclic phosphazene compounds and use thereof as additives of perfluoropolyether oils
JP2003034057A JP2004002308A (ja) 2002-02-14 2003-02-12 環状ホスファゼン化合物とそれのペルフルオロポリエーテル油の添加剤としての使用
US10/366,414 US7026509B2 (en) 2002-02-14 2003-02-14 Cyclic phosphazene compounds and use thereof as additives of perfluoropolyether oils
US11/110,817 US20050187116A1 (en) 2002-02-14 2005-04-21 Cyclic phospazene compounds and use thereof as additives of perfluoropolyether oils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002MI000281A ITMI20020281A1 (it) 2002-02-14 2002-02-14 Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei

Publications (2)

Publication Number Publication Date
ITMI20020281A0 ITMI20020281A0 (it) 2002-02-14
ITMI20020281A1 true ITMI20020281A1 (it) 2003-08-14

Family

ID=11449221

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002MI000281A ITMI20020281A1 (it) 2002-02-14 2002-02-14 Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei

Country Status (4)

Country Link
US (2) US7026509B2 (enExample)
EP (1) EP1336614A1 (enExample)
JP (1) JP2004002308A (enExample)
IT (1) ITMI20020281A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7919647B2 (en) * 2000-08-24 2011-04-05 University Of Tennessee Research Foundation Selective androgen receptor modulators and methods of use thereof
ITMI20020281A1 (it) * 2002-02-14 2003-08-14 Ausimont Spa Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei
US7510999B2 (en) * 2004-05-28 2009-03-31 Hitachi Global Storage Technologies Netherlands B.V. Lubricant composition for magnetic recording media
ITMI20042238A1 (it) 2004-11-19 2005-02-19 Solvay Solexis Spa Composti per fluoropolirterei
ITMI20051080A1 (it) * 2005-06-10 2006-12-11 Solvay Solexis Spa Grassi fluorurati aventi basso momento torcente alle basse temperature
EP1873162A1 (en) * 2006-06-29 2008-01-02 Solvay Solexis S.p.A. Cyclic phosphazene compounds
EP2089443B1 (en) * 2006-11-30 2010-07-21 Solvay Solexis S.p.A. Fluorinated lubricants
US8039132B2 (en) * 2007-05-15 2011-10-18 Moresco Corporation Perfluoropolyether compound, and lubricant and magnetic disk each using the same
EP2128230A1 (en) 2008-05-20 2009-12-02 Solvay Solexis S.p.A. Method for lubricating wind turbine gearbox
US8586703B2 (en) * 2008-06-23 2013-11-19 Seagate Technology Llc Low profile lubricant with cyclophosphazene ring attached
US20100035083A1 (en) * 2008-08-05 2010-02-11 Seagate Technology Llc Mixture of low profile lubricant and cyclophosphazene compound
EP2352806B1 (en) 2008-10-24 2012-08-15 Solvay Specialty Polymers Italy S.p.A. Method for forming a lubricating film
WO2011042374A1 (en) 2009-10-06 2011-04-14 Solvay Solexis S.P.A. Lubricant compositions for vacuum pumps
US8685548B2 (en) 2011-03-31 2014-04-01 Seagate Technology Llc Lubricant compositions
WO2013050273A1 (en) 2011-10-03 2013-04-11 Solvay Specialty Polymers Italy S.P.A. Linear (per)fluoropolyethers with -cf(cf3)cof end groups and derivatives thereof
US8663822B2 (en) 2011-10-04 2014-03-04 HGST Netherlands B.V. Lubricant layer that provides a stable head-to-disk interface in humid conditions
CN104220485B (zh) 2012-02-17 2017-03-22 索尔维特殊聚合物意大利有限公司 具有二联苯或三联苯端基的(全)氟聚醚
TWI654199B (zh) * 2013-06-06 2019-03-21 首威專業聚合物義大利公司 製造環磷腈衍生物之方法
US10550226B2 (en) * 2014-09-10 2020-02-04 Solvay Specialty Polymers Italy S.P.A. Cyclophosphazene derivatives
WO2018172172A1 (en) 2017-03-20 2018-09-27 Solvay Specialty Polymers Italy S.P.A. Fluorinated polymers and uses thereof
CN109316965B (zh) * 2018-10-22 2020-11-24 华中科技大学 有机膦酸盐作为正渗透汲取溶质的应用以及正渗透装置
CN119823388A (zh) * 2023-10-12 2025-04-15 兰州大学 一种磷腈改性的硅油类极压抗磨剂及制备方法
CN118995149B (zh) * 2024-10-24 2025-02-28 成都晨光博达新材料股份有限公司 一种适用于服务器热量管理的全氟聚醚冷却液及应用

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242218A (en) * 1961-03-29 1966-03-22 Du Pont Process for preparing fluorocarbon polyethers
DE1249247B (de) 1961-04-25 1967-09-07 E. I. Du Pont De Nemours And Company, Wilmington, Del. (V. St. A.) Verfahren zur Herstellung von Perfluorolefinpolyäthern
US3201455A (en) 1962-01-02 1965-08-17 Chemetron Corp Resolution of dl-menthyl hydrogen phthalate with 1-(alpha-naphthyl)-ethylamine
US3201445A (en) * 1963-05-20 1965-08-17 Du Pont Cyclic phosphonitrilate esters of polyfluoroether alcohols
US3715378A (en) 1967-02-09 1973-02-06 Montedison Spa Fluorinated peroxy polyether copolymers and method for preparing them from tetrafluoroethylene
US3665041A (en) 1967-04-04 1972-05-23 Montedison Spa Perfluorinated polyethers and process for their preparation
GB1226566A (enExample) 1967-04-04 1971-03-31
US4194983A (en) * 1979-02-06 1980-03-25 The United States Of America As Represented By The Secretary Of The Air Force Perfluorinated polyalkylether based lubricant composition
US4523039A (en) 1980-04-11 1985-06-11 The University Of Texas Method for forming perfluorocarbon ethers
DE3485616D1 (de) 1983-12-26 1992-05-07 Daikin Ind Ltd Verfahren zur herstellung von halogen enthaltenden polyathern
US4675452A (en) 1985-07-18 1987-06-23 Lagow Richard J Perfluorinated polyether fluids
US4864047A (en) * 1986-09-29 1989-09-05 The Dow Chemical Company Aminophenoxyphosphazenes and process for producing same
JPS63258993A (ja) * 1987-04-16 1988-10-26 Hitachi Metals Ltd 薄膜潤滑用合成潤滑剤及び磁気記録媒体
US5015405A (en) * 1989-10-05 1991-05-14 The Dow Chemical Company (Fluorinated phenoxy)(3-perfluoroalkylphenoxy)-cyclic phosphazenes
US5073284A (en) * 1989-12-07 1991-12-17 Ethyl Corporation Phosphonitrilic mixed esters
IT1237887B (it) 1989-12-12 1993-06-18 Ausimont Spa Lubrificanti perfluoropolieterei aventi proprieta' antiusura
US5219477A (en) * 1991-04-15 1993-06-15 The Dow Chemical Company Antioxidant-containing cyclophosphazene compositions, antioxidants for use therein, and method therefor
IT1256304B (it) * 1992-11-10 1995-11-30 Ausimont Spa Derivati fosfazenici e loro impiego come stabilizzanti per oli e grassi a base di perfluoropolieteri
US5908817A (en) * 1998-05-18 1999-06-01 The Dow Chemical Company Lubricants containing a perfluoropolyalkyl ether and a fluoroalkylphosphazene
JP4137447B2 (ja) * 1999-09-21 2008-08-20 株式会社松村石油研究所 ホスファゼン化合物およびこれを含有する潤滑剤
ITMI20020281A1 (it) * 2002-02-14 2003-08-14 Ausimont Spa Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei

Also Published As

Publication number Publication date
ITMI20020281A0 (it) 2002-02-14
US20050187116A1 (en) 2005-08-25
US20030176738A1 (en) 2003-09-18
JP2004002308A (ja) 2004-01-08
US7026509B2 (en) 2006-04-11
EP1336614A1 (en) 2003-08-20

Similar Documents

Publication Publication Date Title
ITMI20020281A1 (it) Composti fosfazenici ciclici e loro uso come addittivi di oli perfluoropolieterei
CY2013043I1 (el) Ενωσεις 4-οξοκινολινης και χρησιμοποιηση αυτων ως αναστολεις της ενσωματασης του hiv
DE602004017853D1 (de) Progressive lockerung von suchkriterien
BRPI0312331A2 (pt) composições de ácido hialurônico e métodos de emprego.
ITMI20021228A1 (it) Composizioni di poliuretani reticolabili
NO20043726L (no) Heteroarylforbindelser anvendelige som inhibitorer av GSK-3
EE200300459A (et) Uued spirotritsüklilised derivaadid ja nende kasutamine fosfodiesteraas-7 inhibiitoritena
EP1685464A4 (en) DISTRIBUTED AUTOROUTING OF CONDUCTIVE PATHS
EP1660436A4 (en) cathepsin inhibitors
EP1544279A4 (en) LUBRICANT COMPOSITION
JP2006502186A5 (ja) β-グルカンの使用
FI20021660A0 (fi) Hiilihydraattien uusi käyttö ja koostumukset
PT1401828E (pt) Compostos de n-formil-hidroxilamina como inibidores de pdf
NO20043937L (no) Anvendelse av vitamin D sammensetninger
ITMI20020804A0 (it) Additivi per oli perfluoropolieterei
EP1559771A4 (en) FAT COMPOSITION
ITMI20040678A1 (it) Uso di composti per il trattamento antibiotico sostitutivo preferibilmente ma non esclusivamente in zootecnia
CR8177A (es) Compuestos de 3- arilpiridina arilcondensados y su empleo para combatir hongos nocivos
DE60223962D1 (de) Verwendung Duftstoff zurückhaltender Zusammensetzungen
IS8399A (is) Form fjölgervings 3-fenýlsúlfónýl-8-píperasín-1-ýl-kínólíns
IS8470A (is) Notkun lífrænna efnasambanda
IS7488A (is) Dreyfasamsetning í föstu formi
DE60323455D1 (de) Hochspannungstransformator
ITMI20041130A1 (it) Dispositivo per sopprimere i radioristurbi di un elettromotore
SE0303482L (sv) Kraftkondensator