The effectivity of used-oil as quenching medium of 42-CrMo4 steel for automotive materials 著者: Hariningsih, Hariningsih, Sumpena, Sumpena, Sukarjo, Heribertus

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Characteristics of hardness and microstructure of extraction forceps for dental and oral care made of stainless-steel 著者: Kholis, Nur, Nuryanto, Nuryanto, Mustofa, Arif

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Effects of heat treatment on microstructure and hardness of D2 tools 著者: Hariningsih, Hariningsih, Lutiyatmi, Lutiyatmi, Daryanto, Tri

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