Treatment by electromagnetic fields of metals with melting or solidification particularly electromagnetic inclusionary refining of metals with continuous melting.
...
Class 040
Treatment & Processing of Materials Services
EXPUNGED
on 31 Dec 1969
NETINEL
IRSID SOCIÉTÉ ANONYME
480995 · 18 Jan 1982
007
Class 007
Machinery Products
Electromagnetically treated metals.
037
Class 037
Construction and Repair Services
Treatment by electromagnetic fields of metals with melting or solidification particularly electromagnetic inclusionary refining of metals with continuous melting.
...
Class 040
Treatment & Processing of Materials Services
Electromagnetically treated metals.,Treatment by electromagnetic field...
