TREA

for measuring frequency

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Industry

  • CPC
  • G04D7/125
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Parent Industries

GPHYSICS G04Horology G04DAPPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES G04D7/00Measuring, counting, calibrating, testing or regulating apparatus

Current Industry

G04D7/125for measuring frequency
Industries