| Translated title of the contribution | Menetelmä jännitysaallon mittaamiseksi, mittauslaite ja kallion rikkomislaite |
|---|---|
| Original language | Finnish |
| Patent number | Pat. FI 120559 B |
| Priority date | 30/11/09 |
| Publication status | Published - 2009 |
| Publication type | H1 Granted patent |
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