4. Printing and office machinery
  5. Typewriter or calculator
  6. Calculator

William Hackemann

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Apparatus for cutting a continuous element of indeterminate leng

Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent

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Metric converter slide rule

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Metric converter slide rule

Printing and office machinery – Typewriter or calculator – Calculator
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-1767956

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