ホーム > 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.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
0
作成者
- ed.young
-
(V.I.P) 21084 ポイント - 100% positive feedback
(Milwaukee, United States)
