The Rolling Theory Committee of ISO (the Iron and Steel Institute of Japan) started as subcommittee in Steel Products Committee of Iron and Steel Technology Joint Research Committee, being organized in 1955 by three parties of ISIJ, Heavy Industry Bureau of Ministry of International Trade and Industry, and JISF (the Japan Iron and Steel Federation), about 40 years have passed since then, and it is going to hold the 100th convention this time. Celebrating this, an memorial symposium has been decided to be held.
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