The British patent system
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London
Cambridge University Press
c1967.
|
| Cyfres: | Cambridge. University. Dept. of Applied Economics. Monographs, no. 13
|
| Pynciau: |