4. Printing
  5. Selective or progressive
  6. Bed and platen machines

Walter H. Hehl

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Actuator mechanism for a print hammer or the like

Printing – Selective or progressive – Bed and platen machines
Patent

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Horn loaded piezoelectric matrix printer drive method and appara

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent

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Profile ID: LFUS-PAI-P-542072

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