4. Electricity: measuring and testing
  5. Electrical speed measuring

Donald G. Polvani

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Apparatus for passively measuring the velocity of a ferrous vehi

Electricity: measuring and testing – Electrical speed measuring
Patent

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Magnetic marker position fixing system for underwater vehicles

Boots – shoes – and leggings
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Magnetic relative position measuring system

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control
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Medical magnetic positioning system and method for determining t

Surgery – Truss – Pad
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Navigation system for an underwater vehicle

Communications – electrical: acoustic wave systems and devices – Underwater system
Patent

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Profile ID: LFUS-PAI-P-752870

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