Items where Author is "Permana, Astra"

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Permana, Astra (2025) Evaluasi Overlay Welding pada Pipa Baja Karbon ASTM A106 Grade B Diameter Pipa 4 Inch 5 Inch dan 6 Inch dengan Pengelasan SMAW 2 dan 4 Layer Serta Arah Pengelasan Longitudinal dan Circumferential Melalui Pengujian Hardness Vickers. Skripsi(S1) thesis, Fakultas Teknik Unpas.

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