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Patents > Office : SAX or US & CPCs: CPC B64C35/00

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None (33) · hydroaeroplane (14) · marine (11) · hydroplane (8) · airplane (7) · frame (6) · hybrid (5) · flying boat (4) · landing (3) · design (3) · stability (3) · safety (3) · takeoff (2) · Aircraft (2)
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