Drilldown: Patents

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Patents > National tech categories : FR 6.3 or IT 8 & First filing: None

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None (5) · Achille Bertelli (4) · Yon (3) · E. J. Delaurier (3) · Federico Capone (3)
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None (153) · Patent SE-1906-23283 (2) · Patent FR-1902-326727 (2)
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