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Designated Contracting States: |
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DE FR GB NL |
| (30) |
Priority: |
26.07.1999 JP 21047199
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| (43) |
Date of publication of application: |
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31.01.2001 Bulletin 2001/05 |
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Proprietor: Yamatake Corporation |
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Tokyo (JP) |
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| (72) |
Inventors: |
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- Masuda, Takashi,
Yamatake Corporation
Tokyo 150-8316 (JP)
- Yoshikawa, Yasuhide,
Yamatake Corporation
Tokyo 150-8316 (JP)
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| (74) |
Representative: Wenzel & Kalkoff |
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Patentanwälte
Meiendorfer Strasse 89 22145 Hamburg 22145 Hamburg (DE) |
| (56) |
References cited: :
US-A- 4 618 818 US-A- 5 661 240
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US-A- 5 343 766
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