Boek
| Titel | Patents for Inventions : Abridgments of specifications. : class 9, ammunition. torpedoes, explosives, and pyrotechnics. / The office of the commissioners of patents for inventions |
|---|---|
| Objectnaam | boek |
| Objectnummer | 88286620 |
Vervaardiging
| Datering | 1981 |
|---|