4. Typewriting machines
  5. Typing by other than type-face or type-die
  6. Character formation by impact

Fereidoon Matin

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Hammer protection circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent

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Printing apparatus with printing material non-motion detector

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
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Profile ID: LFUS-PAI-P-694459

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