Read Wet processes for combating firedamp and coal-dust explosions (Paper / The Eighth International Conference of Directors of Safety in Mines Research, Dortmund-Derne, Germany, 1954) Hardcover
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1954),
Dortmund-Derne,
Germany,
Wet processes for combating firedamp and coal-dust explosions (Paper / The Eighth International Conference of Directors of Safety in Mines Research
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Read Wet processes for combating firedamp and coal-dust explosions (Paper / The Eighth International Conference of Directors of Safety in M...
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