4. Signals and indicators
  5. Indicators
  6. Rotary indicator with actuating means

Douglas B. Olson

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Analog display having electroluminescent pointer

Signals and indicators – Indicators – Rotary indicator with actuating means
Patent

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Flame sampling apparatus and method

Chemistry: physical processes – Physical processes – Crystallization
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Saturation current incipient soot detector

Electricity: measuring and testing – Using ionization effects – For analysis of gas – vapor – or particles of matter
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Profile ID: LFUS-PAI-P-364734

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