| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
| (30) |
Priority: |
06.08.2001 EP 01202961 07.08.2001 US 310244 P
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| (43) |
Date of publication of application: |
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06.05.2004 Bulletin 2004/19 |
| (73) |
Proprietor: Pirelli & C. S.p.A. |
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20123 Milano (IT) |
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| (72) |
Inventors: |
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- ROSSI, Giacomo
I-20149 Milano (IT)
- OLIVETI, Guido
I-20149 Milano (IT)
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| (74) |
Representative: Castiglia, Paolo |
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Porta, Checcacci & Associati S.p.A.
Via Trebbia, 20 20135 Milano 20135 Milano (IT) |
| (56) |
References cited: :
EP-A- 0 546 936 US-A- 5 732 174
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US-A- 4 787 706 US-A- 5 883 995
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- PATENT ABSTRACTS OF JAPAN vol. 010, no. 316 (P-510), 28 October 1986 (1986-10-28)
& JP 61 126510 A (OPUTOSU:KK), 14 June 1986 (1986-06-14)
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