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Items where Author is "Riharda Yohanes N, Riharda"
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Thesis
Riharda Yohanes N, Riharda (2024) ANALISA PENGARUH BAHAN ABRASIVE DAN WAKTU PROSES PEMOLESAN TERHADAP TINGKAT KEKASARAN PERMUKAAN CYLINDER BLOCK DAN VALVE PLATE POMPA HIDROLIK EXCAVATOR. Diploma thesis, Politeknik Caltex Riau.