ES152258A1 - Perfeccionamientos en la composición de materias moldeables a base de mezclas termoplásticas, resinas sintéticas y otros productos análogos
- Google Patents
Perfeccionamientos en la composición de materias moldeables a base de mezclas termoplásticas, resinas sintéticas y otros productos análogos
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ES152258A1941-03-071941-03-07Perfeccionamientos en la composición de materias moldeables a base de mezclas termoplásticas, resinas sintéticas y otros productos análogos
ExpiredES152258A1
(es)
Perfectionnements aux machines à mouler pour la production d'articles en résines naturelles et résines synthétiques, particulièrement pour la production de bottes et chaussures en général