4. Electric lamp and discharge devices: systems
  5. Cathode ray tube circuits
  6. Combined cathode ray tube and circuit element structure

John E. Walsh

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Electrical moisture sensor

Electricity: measuring and testing – Conductor identification or location – Inaccessible
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Millimeter and sub-millimeter radiation source

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
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Soil moisture sensor

Electricity: measuring and testing – Conductor identification or location – Inaccessible
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Profile ID: LFUS-PAI-P-1210878

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