Nature of patentable invention, its attributes and definition
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Cambridge, Mass.
Addison-Wesley Press, Inc.
1948.
|
| Eagrán: | "Second edition.". |
| Ábhair: |