Items where Author is "Fredy Purba, Jhon "
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Fredy Purba, Jhon and Eng, Hendra and Hendri , Hestiawan (2012) STUDI PENGARUH PERLAKUAN PREHEAT DAN PWHT TERHADAP SIFAT MEKANIS SAMBUNGAN LAS SMAW BAJA AISI 1017. Undergraduate Thesis thesis, Fakultas Teknik UNIB.
Fredy Purba, Jhon and Eng, Hendra and Hendri , Hestiawan (2012) STUDI PENGARUH PERLAKUAN PREHEAT DAN PWHT TERHADAP SIFAT MEKANIS SAMBUNGAN LAS SMAW BAJA AISI 1017. Undergraduate Thesis thesis, Fakultas Teknik UNIB.