4. Communications: directive radio wave systems and devices (e.g.,
  5. Transmission through media other than air or free space

Ulli Hoffmann

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Handheld locating device with a sensor for detecting motion...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Locating device

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
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Locating device

Geometrical instruments – Distance measuring – Of length by rolling contact
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Locating device and corresponding method

Electricity: measuring and testing – Conductor identification or location – Inaccessible
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Method and device for a material-penetrative localization of...

Communications: directive radio wave systems and devices (e.g. – Transmission through media other than air or free space
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Profile ID: LFUS-PAI-P-2260151

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