| Original language | English |
|---|---|
| Patent number | FI981558 |
| IPC | D21H 27/ 10 A N |
| Priority date | 7/07/98 |
| Publication status | Published - 8 Jan 2000 |
| Publication type | H1 Granted patent |
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Research output: Patent
| Original language | English |
|---|---|
| Patent number | FI981558 |
| IPC | D21H 27/ 10 A N |
| Priority date | 7/07/98 |
| Publication status | Published - 8 Jan 2000 |
| Publication type | H1 Granted patent |