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The Chinese coal industry
Joseph Crosfield & Sons ldt, soap manufacturers - 1962
Persistent link: https://www.econbiz.de/10003024808
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Vorteile und Nachteile der Mechanisierung für den Arbeiter im Steinkohlenbergbau
Sieber, W. - In: Zentralblatt für Arbeitswissenschaft und Fachberichte … 15 (1961) 5/6, pp. 81-87
Persistent link: https://www.econbiz.de/10002808750
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Rozwój mechanizacji wydobycia w kopalniach wȩgla kamiennego
Strzoda, Joachim - 1962
Persistent link: https://www.econbiz.de/10002885508
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Level and development of opencast mining technology in the German Democratic Republic
Strzodka, K. - 1977
Persistent link: https://www.econbiz.de/10002885633
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Coal-mining
Statham, I. C. F. - 1951
Persistent link: https://www.econbiz.de/10002872489
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Changing patterns of pit performance
Sales, W. H. - In: The journal of industrial economics 3 (1955) 3, pp. 184-196
Persistent link: https://www.econbiz.de/10002727877
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Productivity in coal mines : 3. item on the agenda
1951
Persistent link: https://www.econbiz.de/10001351716