Art
J-GLOBAL ID:201602009549655380   Reference number:58A0071027

Trends in development practice in South Africa in the past ten years.

過去10年間の南アフリカにおける開坑作業の傾同(特に金鉱山の生産性向上の経過,設備と作業の発展,主要鉱山についての傾向の概況)
Author (1):
Material:
Volume: 58  Issue: 11  Page: 555-562  Publication year: 1958
JST Material Number: C0362A  ISSN: 2225-6253  CODEN: JSAMA   Document type: Article
Country of issue: South Africa (ZAF) 

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