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

Robert V. Jarratt, Jr.

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Keyboard type of input control system for an analytical instrume

Communications: electrical – Audible indication – Percussion-type sound producer
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Spectrograph for evaluating contamination of optical components

Optics: measuring and testing – For optical fiber or waveguide inspection
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Profile ID: LFUS-PAI-P-717752

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