167 795
contributi
Modifiche
Jump to navigation
Jump to search
{#concept: [[Category:Patents]] [[Patent date::≥1/1/1897]][[Patent date::≤31/12/1897]]
| Patents registered in 1897
}
Creata pagina con " {#concept: Category:Patents Patent date::≥1/1/1897Patent date::≤31/12/1897 | Patents registered in 1897 }"
{#concept: [[Category:Patents]] [[Patent date::≥1/1/1897]][[Patent date::≤31/12/1897]]
| Patents registered in 1897
}