TREA

recording element actuated only upon change in value of variable

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Industry

  • CPC
  • G01D9/18
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Parent Industries

GPHYSICS G01Measuring instruments G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS TARIFF METERING APPARATUS MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR G01D9/00Recording measured values

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G01D9/18recording element actuated only upon change in value of variable
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