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{#concept: [[Category:Patents]] [[Patent date::≥1/1/1890]][[Patent date::≤31/12/1890]]
| Patents registered in 1890
}
Creata pagina con " {#concept: Category:Patents Patent date::≥1/1/1890Patent date::≤31/12/1890 | Patents registered in 1890 }"
{#concept: [[Category:Patents]] [[Patent date::≥1/1/1890]][[Patent date::≤31/12/1890]]
| Patents registered in 1890
}