ES77632A1 - Un producto industrial consistente en impresiones multicolores, especialmente para valores, contra la imitación fotográfica directa.
- Google Patents
Un producto industrial consistente en impresiones multicolores, especialmente para valores, contra la imitación fotográfica directa.
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ES77632A1921-03-291921-03-29Un producto industrial consistente en impresiones multicolores, especialmente para valores, contra la imitación fotográfica directa.
ExpiredES77632A1
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