Ideas, inventions, and patents how to develop and protect them
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
New York
Wiley
[1957].
|
| Sujets: |
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
New York
Wiley
[1957].
|
| Sujets: |