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Patents > Patent agent: Herbert Haddan & Co. & Number of claims: 3-4

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airplane (6) · control (3) · None (2) · whole (2) · structure (2) · mounting (2) · LTA (2) · helicopter (2) · Frame (2) · Design (2) · wings (2) · construction (2) · automatic stability (2) · assembly (2) · balloon (2)
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