4. Geometrical instruments
  5. Distance measuring
  6. By flexible tape

Douglas Patrick

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Measuring tape device including external cleaning member

Geometrical instruments – Distance measuring – By flexible tape
Patent

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Wide band stepped frequency ground penetrating radar

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-1260313

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