The broken lines in
The broken lines in
| Number | Name | Date | Kind |
|---|---|---|---|
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| 3866343 | Frost et al. | Feb 1975 | A |
| D268238 | Brescia et al. | Mar 1983 | S |
| D279201 | Shuman | Jun 1985 | S |
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| 6780486 | Kuo et al. | Aug 2004 | B2 |
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| 8046945 | Radcliffe | Nov 2011 | B2 |