4. Electric lamp and discharge devices: systems
  5. Periodic switch in the supply circuit
  6. Periodic switch in the primary circuit of the supply...

Yrjö Hartikka

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Arrangement in connection with a coupling device of a...

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit
Reexamination Certificate

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Method and arrangement with control gear, and control gear

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2789132

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