Ugo Marangelli

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Saronno, IT

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Patents Grantslast 30 patents

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Concentrated coloring solutions of a blue tinge based on mixture of...
- Patent number 4,303,407
- Issue date Dec 1, 1981
- Aziende Colori Nazionali Affini -ACNA S.p.A.
- Ugo Marangelli
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...