Pierre Rollet

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Prouvy, FR

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Patents Grantslast 30 patents

Information Patent Grant
Blast-furnaces in the region of the pouring apertures
- Patent number 4,768,755
- Issue date Sep 6, 1988
- Union Siderurgique du Nord et de L'est de la France (Usinor)
- Pierre Rollet
- C21 - METALLURGY OF IRON