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Art
J-GLOBAL ID:201602005229726683   Reference number:58A0071456

Longwell Stoping at the Radon Mine.

ユタ州Radon鉱山における長壁式切羽(炭鉱における採掘法と可縮性の鋼支柱の金属鉱山への適用)
Author (2):
Material:
Volume: 44  Issue:Page: 34-38  Publication year: 1958
JST Material Number: D0085A  ISSN: 0277-8688  CODEN: MCJOA   Document type: Article
Country of issue: United States (USA) 

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