Drilldown: Patents

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Patents > Office : DE or FR & Supplementary to patent: None & CPCs: None & Number of figures: None

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None (942) · Armengaud jeune (20) · Desnos (17) · Blétry aîné (15) · Chassevent (11) · Armengaud aîné (11) · Thirion (8) · Jules Mathieu (8) · Dumas (7) · Société Marillier et Robelet (7) · Josse (6) · Casalonga (6) · Dieuaide (6) · Société Louis Gudman et Cie (6) · Blétry frères (5) · Albert Cahen (5) · Société Matray frères (5)
National tech categories:
None (585) · FR 6.3 (316) · FR 5 (126) · FR 6.4 (28) · FR 6 (24) · DE 77 (12) · FR 3 (11) · FR 20 (9) · DE 77h (8) · DE 77h.5 (8) · FR 2 (7) · DE 77h.15 (7) · DE 77h.3 (5) · DE 77h.4 (5) · DE 77h.6 (5) · FR 6.3? (4) · FR 12 (4) · FR 15 (4)
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