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4. 4. Tezuka, M., Yamamoto, S., Takahashi, ? et al. (2014) Internal quality of 2150 mm-diameter ingot manufactured using new 150-ton ESR furnace. Proceedings of the 19th International Forgemasters Meeting (IFM). Tokyo (Japan), 29.09-03.10, 2014, pp. 90-94.
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