4. Horology: time measuring systems or devices
  5. Time interval
  6. Electrical or electromechanical

Frederick E. Hankins

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Electromagnetic plunger drop timer

Horology: time measuring systems or devices – Time interval – Electrical or electromechanical
Patent

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Electrostatic precipitator control for high resistivity particul

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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Electrostatic precipitator rapping mechanism

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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Profile ID: LFUS-PAI-P-682659

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