| Original language | English |
|---|---|
| Patent number | CN1279801 |
| IPC | H04N 17/ 00 A N |
| Priority date | 17/09/97 |
| State | Published - 10 Jan 2001 |
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Research output: Patent
| Original language | English |
|---|---|
| Patent number | CN1279801 |
| IPC | H04N 17/ 00 A N |
| Priority date | 17/09/97 |
| State | Published - 10 Jan 2001 |