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Application filed by Nippon Steel CorpfiledCriticalNippon Steel Corp
Priority to TW100101433ApriorityCriticalpatent/TWI371495B/en
Publication of TW201120225ApublicationCriticalpatent/TW201120225A/en
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Publication of TWI371495BpublicationCriticalpatent/TWI371495B/en
High-strength thick steel products excellent in toughness and weldability, high-strength ultra-thick h shape steel and processes for manufacturing both