4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

George A. Harrow

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Machines for tapping nuts

Cutting by use of rotating axially moving tool – With work-infeed means – Driven by fluid motor
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Sagger loading apparatus and a method of loading a sagger

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-1214454

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