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Terrell and Shelley on the law of patents / by K. E. Shelley.
- 346.420486 S5451 1951
- Shelley, Kew Edwin.
- Sweet & Maxwell,
- 1951.
- London :
-
Copyright and industrial designs / by A.D. Russell-Clarke.
- 346.420482 R968
- Russell-Clarke, A. D.
- Sweet & Maxwell,
- 1951.
- London :