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Patents > National tech categories: FR 6.3 & First filing: None

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Yon (3) · E. J. Delaurier (3) · Marc Runkel (2) · Boiffin (2) · Haarbleicher (2) · Ferdinand-Charles-Honoré-Philippe d'Esterno (2) · Phérékyde (2) · Foucher (2) · Boubillon (2)
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