موضوع: Boring

موضوع: Ores

المؤلف: Khor, Peng Seong

المؤلف: Md. Muzayin Alimon

مواد مشابهة: Pulp density measurement at Bayas Tudjoh mine /

مواد مشابهة: Represent ativeness of alluvial drilling data as obtained by Banka drilling and panning in the Gopeng area, Kinta Valley, Malaysia /