4. Electricity: measuring and testing
  5. Magnetic
  6. Stress in material measurement

Julius Hartai

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Device for charging a charging capacitor

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply
Patent

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Frequency-modulated converter with a series-parallel resonance

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Reissue Patent

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Frequency-modulated converter with a series-parallel resonance

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent

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Luminous panel

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent

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Method and apparatus for non-destructive materials testing and m

Electricity: measuring and testing – Magnetic – Stress in material measurement
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Profile ID: LFUS-PAI-P-722677

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