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| 5925843 | Miller et al. | Jul 1999 | A |
| 5952599 | Dolby et al. | Sep 1999 | A |
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| Number | Date | Country |
|---|---|---|
| 7-80152 | Mar 1995 | JP |
| 7-289736 | Nov 1995 | JP |
| 8-305356 | Nov 1996 | JP |
| 9-160546 | Jun 1997 | JP |
| 10-49178 | Feb 1998 | JP |
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| Entry |
|---|
| Metro/Life Graphic/Abecks.TT/ENIX 1998. |