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4599717 | Bracht et al. | Jul 1986 | |
4734901 | Murakami | Mar 1988 | |
5684893 | Shikakura | Nov 1997 | |
5721720 | Kikuchi et al. | Feb 1998 | |
5796438 | Hosono | Aug 1998 | |
5896355 | Sako et al. | Apr 1999 |
Entry |
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