Art
J-GLOBAL ID:201602011379391507   Reference number:58A0070364

High Production in Thin Seam Mining.

薄層における高能率生産
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Material:
Volume: 44  Issue: 11  Page: 38-41  Publication year: 1958 
JST Material Number: D0085A  ISSN: 0277-8688  CODEN: MCJOA   Document type: Article
Country of issue: United States (USA) 
Terms in the title (2):
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