(Q52130177)
Statements
Efficiency at Sorting Cards in Air and a 20 Per Cent Oxygen-Helium Mixture at Depths Down to 100 Feet and in Enriched Air (English)
1 reference
Efficiency at sorting cards in air and a 20 per cent oxygenhelium mixture at depths down to 100 feet and in enriched air (English)
P. B. Bennett
E. C. Poulton
A. Carpenter
1 January 1967
1 reference
1 reference
10
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1
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53-62
1 reference
1 reference
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1 reference
1 reference