| Original language | English |
|---|---|
| Patent number | EP 356214 A2 |
| Publication status | Published - Feb 1990 |
Bibliographical note
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P. Duff (Inventor), David Haigh (Inventor), R.M. Hindley (Inventor)
Research output: Patent
| Original language | English |
|---|---|
| Patent number | EP 356214 A2 |
| Publication status | Published - Feb 1990 |