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Patents > Applicant person : Alfred John Macy or Redmond Barrett or Robert Esnault-Pelterie or None & IPCs : IPC B64B1/58 or IPC B64B1/62 & Number of text pages: 2-3

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LTA (22) · balloon (6) · navigation (4) · frame (4) · stability (4) · airship (3) · gas (3) · car (3) · fabric (3) · Texture (3) · suspension (3)
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