4. Horology: time measuring systems or devices
  5. Electrical time base
  6. Solid state oscillating circuit type

Joseph A. Keenan

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Apparatus and process for testing leaks in packaging for integra

Radiant energy – Radiation tracer methods – Radioactive tracer methods
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Radioactive timing source for horologic instruments and the like

Horology: time measuring systems or devices – Electrical time base – Solid state oscillating circuit type
Patent

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Profile ID: LFUS-PAI-P-672451

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