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| Number | Title | Issue Date |
| 5787966 | Device for the continuous casting of products having a round cross-section and products having a cross-section with flat sides The device includes at least a mould (11) with a replaceable crystallizer (12), a downstream mould portion, a containing, guiding and cooling roller conveyor (14) and an extraction and straightening assembly (15). The extraction and straightening assembly... | 08/04/1998 |
| 5715273 | Secondary circuit with variable impedance for electric arc furnaces A secondary circuit having a variable impedance for electric arc furnaces of a type working with alternating current, which is associated with a transformer (11) is disclosed. A secondary circuit comprises at least one rigid connection (12) connected to t... | 02/03/1998 |