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Patents > Patent agent : Dupont et Elluin or J. P. Bayly & First filing: Yes

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CPC B64C17/00 (4) · CPC B64D17/00 (3) · CPC B64C3/00 (3) · CPC B64C35/00 (2) · CPC B64F2700/6261 (2) · CPC B64D1/04 (2) · CPC B64C2700/6235 (2)
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