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Rudolf Kudlich
4 cilt bulundu.
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Safe practice in using wire ropes in mines
Rudolf H. Kudlich · Govt. print. off.
11 sayfa · 1919
Coal mines and mining / Safety measures / Wire rope
Suggestions for the safe operation of gasoline engines in mines
Rudolf H. Kudlich · Govt. print. off.
19 sayfa · 1917
Coal mines and mining / Internal combustion engines / Safety measures
Ringelmann smoke chart
Max Ringelmann, Rudolf Kudlich, L. R. Burdick, United States. Bureau of Mines · U.S. Bureau of Mines
Sayfa sayısı yok · 1955
Smoke prevention