4. Electric lamp and discharge devices
  5. Geiger-mueller type

Jean Duchene

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Ionization chamber making it possible to measure high energy gam

Electric lamp and discharge devices – Geiger-mueller type
Patent

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Modular ionization chamber of the boron-coating type

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Profile ID: LFUS-PAI-P-1466118

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