4. Electricity: measuring and testing
  5. Electrolyte properties
  6. Using a conductivity determining device

Leif A. Unruh

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Conductivity or capacity cell and a method for producing the sam

Electricity: measuring and testing – Electrolyte properties – Using a conductivity determining device
Patent

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Device for sensing the number of items stored in a compartment

Electricity: measuring and testing – Conductor identification or location – Inaccessible
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Magazine for vending machine

Sales and advertising equipment – Vending machine – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-962503

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