4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. High voltage dissipation

Slawomir Kielian

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Ringing phone line selector/VOIP switch

Telephonic communications – Multi-line or key substation system with selective switching...
Reexamination Certificate

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Surge protector assembly with ground-connector status...

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2948644

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