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Patents > Patent agent: Wheatley & Mackenzie & Number of claims: 4-30

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frame (7) · propulsion (6) · LTA (5) · illumination (4) · design (4) · navigation (4) · military (3) · construction (3) · passenger (3) · propeller (3) · balloon (3) · stability (3) · airship (3) · airplane (3)
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