Raamatud Arno Carl Fieldner
The Sugar-tube Method Of Determining Rock Dust In Air
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Use Of The Hydrogen-volatile-matter Ratio In Obtaining The Net Heating Value Of American Coals
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Notes On The Sampling And Analysis Of Coal
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Test Of Gas Masks And Respirators For Protection From Locomotive Smoke In Railroad Tunnels With Analysies Of Tunnel Atmospheres
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Test Of Gas Masks And Respirators For Protection From Locomotive Smoke In Railroad Tunnels With Analysies Of Tunnel Atmospheres
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Notes On The Sampling And Analysis Of Coal
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Permeation Of Oxygen Breathing Apparatus By Gases And Vapors...
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