(Q52130177)

English

Efficiency at Sorting Cards in Air and a 20 Per Cent Oxygen-Helium Mixture at Depths Down to 100 Feet and in Enriched Air

scientific article published in January 1967

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)
Efficiency at sorting cards in air and a 20 per cent oxygenhelium mixture at depths down to 100 feet and in enriched air (English)

Identifiers

 
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