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Inventor
NEGRA ANGELICO DELLA
IT
2 patents
Patents
2 patents
US5889809A
Mar 30, 1999
Cooling system for electrodes in D.C. electric arc furnaces
DANIELI OFF MECC
7 citations
70
US9803753B2
Oct 31, 2017
Sealing device, in particular for a shaft inserted transversely in a vessel of fluids under pressure or granular material in movement
DANIELI OFF MECC
0 citations
28