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Patents > CPCs : CPC B64C2700/6212 or CPC B64C2700/6295 & Number of claims: 9-40

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None (5)
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Tech fields:
stability (16) · airplane (16) · None (15) · frame (10) · design (6) · rudder (6) · whole (5) · multiplane (5) · automatic stability (5) · lift (4) · wings (4) · propeller (3) · wheels (3) · airfoil (3) · propellers (3) · HTA (3) · hydroaeroplane (3) · cargo (3) · construction (3)
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None (6)
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None (11) · None (3) · 0 (2) · John P. Tarbox (2) · Boult, Wade & Tennant (2) · Marks & Clerk (2)
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