Sealing device, in particular for a shaft inserted transversely in a vessel of fluids under pressure or granular material in movement

Assignee

• Danieli & C. Officine Meccaniche S.P.A.
• Hyl Technologies, S.A. De C.V.

Inventors

• Angelico Della Negra (2 patents)
• Massimiliano Zampa (5 patents)
• Riccardo Antonini (1 patents)

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