| (84) |
Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
| (30) |
Priority: |
25.03.2011 US 201161467859 P
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| (43) |
Date of publication of application: |
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29.01.2014 Bulletin 2014/05 |
| (73) |
Proprietor: ABB Schweiz AG |
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5400 Baden (CH) |
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| (72) |
Inventors: |
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- ELICK, Robert, Alan
Jackson, TN 38305 (US)
- GEIBEL, David, Matthew
Jackson, TN 38305 (US)
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| (74) |
Representative: Postiglione, Ferruccio |
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Gregorj S.r.l.
Intellectual Property
Via L. Muratori, 13 b 20135 Milano 20135 Milano (IT) |
| (56) |
References cited: :
EP-A2- 0 355 814 US-A- 3 553 395
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DE-C1- 4 011 019 US-A- 3 811 022
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