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injection syringe or release of pharmaceuticals, medicinal, cosmetic and derivatives, with 'safety valve', based on the action of two semipiani contact, eccentricrotating on the same axis, its applications and variants.
injection syringe or release of pharmaceuticals, medicinal, cosmetic and derivatives, with 'safety valve', based on the action of two semipiani contact, eccentricrotating on the same axis, its applications and variants.
