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An analyzer for determining helium-4 in the parts-per-billion range

An improved analyzer for determining helium-4 in parts-per-billion range

True flammable gas detecting system

Published Year

• 1980-1989 (3) *

Subject

• Gas detectors (3) *
• Helium--Isotopes--Analysis (2)
• Flammable gases (1)
• Mine gases (1)

Author

• Holland, Philip W. (2)
• Chilton, J. E. (1)
• Kubala, T. E. (1)
• Seitz, Charles A. (1)

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