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Wildansyah, Firdaus Virshafrilian and Al Baihaqi, Muhammad Luqman (2025) Analisa Pelapisan Hardchrome Pada Roda Gigi Type 428-40T Dengan Variasi Arus Dan Waktu Terhadap Keausan Dan Kekerasan Permukaan Roda Gigi. (Analysis Of Hardchrome Plating on Type 428-40t Gears with Variations of Current and Time on Wear and Hardness of the Gear Surface). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.