1.
|
London, England : Sweet & Maxwell, 1995.
English | 10 GB |
|
2.
|
Ottawa, Ontario : Intellectual Property Institute of Canada, 1995.
English | G 1731 CA 4 |
|
3.
|
London, England : Sweet & Maxwell, 1995.
English | 10 GB |
|
4.
|
Buffalo, New York : The Patent and Trademark Office Society, 1994.
English | 47 US |
|