4. Telegraphy
  5. Systems
  6. Position coordinate determination for writing

Seiichi Maruyama

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Enclosed-type zinc-oxide surge arrester

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

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Tablet unit comprising a reduced number of circuit elements

Telegraphy – Systems – Position coordinate determination for writing
Patent

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Transmission line protection system

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Patent

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Zinc oxide lightning protector

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

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Profile ID: LFUS-PAI-P-365173

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