Kadar bessemer ( bessemer grade )

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Kadar bessemer ( bessemer grade ) merupakan Kualitas bijih besi hematit-limonit yang didasarkan kepada kadar fosfor dan nisbahnya terhadap unsur besi, yaitu kira-kira 1 : 1.000 sampai 1:1.200

Cari Istilah Geologi Tambang


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