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. 1955 Jan;12(1):65–70. doi: 10.1136/oem.12.1.65
The Construction of Critical Orifices Working with Small Pressure Differences and Their Use in Controlling Airflow
H A Druett
1
H A Druett
1Microbiological Research Department, Ministry of Supply, Porton
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1Microbiological Research Department, Ministry of Supply, Porton
PMCID: PMC1037604 PMID: 14351650