الصفحة الرئيسية > Term: Eastman survey instrument
Eastman survey instrument
A particular make of mechanical and photographic borehole-drift indicators; the singleshot models are small enough to be used in EX diamond-drill holes.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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المنشئ
- ed.young
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(Milwaukee, United States)