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5900941 | Matsuyama et al. | May 1999 | A |
6064484 | Kobayashi et al. | May 2000 | A |
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0 838 679 | Apr 1998 | EP |
1-305477 | Dec 1989 | JP |
4-365045 | Dec 1992 | JP |
6-325162 | Nov 1994 | JP |
2776416 | May 1998 | JP |
10-185531 | Jul 1998 | JP |
Entry |
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Patent Abstracts of Japan, vol. 014, No. 329, Jul. 16, 1990 (corresponds to JPA 2-108947, published Apr. 20, 1990). |
Patent Abstracts of Japan, vol. 008, No. 257, Nov. 24, 1984 (corresponds to Ajpa 59-128419, published Jul. 24, 1984). |