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Teknik <strong>pengecoran</strong> logam<br />

Gambar 7.9 Jangka bengkok<br />

Gambar 7.10 Penyetelan posisi jangka<br />

tusuk pada mistar baja<br />

Gambar 7.11 Pemakaian<br />

jangka tusuk<br />

Hardi Sudjana Page 231

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