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

Ronald N. Piper

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Paper guidance systems

Typewriting machines – Sheet or web – For feeding web record-medium
Patent

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Wire printing heads

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
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Profile ID: LFUS-PAI-P-841633

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