4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Temperature control of photocell

Johann Otten

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Apparatus for determining the proportion of a substance having p

Electricity: measuring and testing – Magnetic – Fluid material examination
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Apparatus for measuring the proportion of paramagnetic substance

Electricity: measuring and testing – Magnetic – Fluid material examination
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Sensor for capacitively measuring pressure in a gas

Electricity: electrical systems and devices – Electrostatic capacitors – Variable
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System for measuring the concentration of a gaseous component by

Radiant energy – Photocells; circuits and apparatus – Temperature control of photocell
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Profile ID: LFUS-PAI-P-1276638

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