TREA

by measuring variation of frictional resistance of gases

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  • CPC
  • G01L21/16
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Parent Industries

GPHYSICS G01Measuring instruments G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE G01L21/00Vacuum gauges

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G01L21/16by measuring variation of frictional resistance of gases
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