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Patents > Applicant firm : HTA or Société anonyme Astra AB or Sperry Gyroscope Company

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gyroscope (10) · instrument (9) · navigation (9) · LTA (8) · None (7) · compass (7) · airplane (4) · gyro-compass (3) · dirigibles (2) · stability (2) · magnet (2) · electricity (2) · HTA (2) · control (2)
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Showing below up to 32 results in range #1 to #32.

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