Refractory piece permeable to gases

Assignee

• Institut De Recherches De La Siderurgie Francaise (Irsid)

Inventors

• Pierre Vayssiere (3 patents)
• Charles Roederer (2 patents)
• Jean-Claude Grosjean (10 patents)
• Roland Grave (3 patents)
• F. Schleimer (2 patents)
• F. Goedert (2 patents)
• R. Henrion (2 patents)
• L. Lorang (2 patents)
• J. Colling (3 patents)

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