Number | Date | Country | Kind |
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2000-191788 | Jun 2000 | JP |
Number | Name | Date | Kind |
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20020045700 | Hayashi et al. | Apr 2002 | A1 |
Number | Date | Country |
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0 936 507 | Aug 1999 | EP |
WO 9323795 | Nov 1993 | WO |
Entry |
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DataBase WPI Section Ch, Week 199028 Derwent Class G01, AN 1990-214711 XP002178979 JP 146059 Jun. 1990 Abstract. |