TREA

using torsion pendulums using conical pendulums

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Industry

  • CPC
  • G04C3/033
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means

Current Industry

G04C3/033using torsion pendulums using conical pendulums
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