| (84) |
Designated Contracting States: |
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DE FR GB |
| (43) |
Date of publication of application: |
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05.11.2003 Bulletin 2003/45 |
| (73) |
Proprietor: International Business Machines Corporation |
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Armonk, NY 10504 (US) |
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| (72) |
Inventors: |
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- BIRAN, Giora
Zichran Ya'akov (IL)
- SOSTHEIM, Tal
36000 Kiryat Tivon (IL)
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| (74) |
Representative: Williams, Julian David |
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IBM Research GmbH
Zurich Research Laboratory
Säumerstrasse 4
Postfach 8803 Rüschlikon 8803 Rüschlikon (CH) |
| (56) |
References cited: :
EP-A- 0 470 876 US-A- 5 933 632
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US-A- 5 359 730 US-A- 6 028 843
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