TREA

by a body falling a prefixed distance in air or in a viscous material

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Industry

  • CPC
  • G04F1/08
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Parent Industries

GPHYSICS G04Horology G04FTIME-INTERVAL MEASURING G04F1/00Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms

Current Industry

G04F1/08by a body falling a prefixed distance in air or in a viscous material
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