4. Communications: electrical
  5. Audible indication
  6. Percussion-type sound producer

Walter Z. Davis

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Process and apparatus for monitoring length and diameter of heli

Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
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Scan-controlled keyboard

Communications: electrical – Audible indication – Percussion-type sound producer
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Profile ID: LFUS-PAI-P-362209

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