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Patents > Inventor country : DE or FR or NL or RU & Applicant type : Hermann Burkardt or INDIV or INIV or LTA & Supplementary to patent : Patent DE-1895-98580 or None & CPCs: None

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None (712)
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Patent agent:
None (567) · Raclot (10) · Duvinage (9) · de Visscher et Graetz (7) · A. Wunderlich & Cie, Ingénieurs-Conseils (7) · Armengaud jeune (7) · E. et G. Bede (6) · A. Ritter (5) · Blétry aîné (5) · Armengaud aîné (5) · None (4) · Josse (4) · W. P. Thompson & Co. (4) · Desnos (4) · Thirion (4)
National tech categories:
None (235) · FR 6.3 (91) · BE K (86) · HU V/h (68) · AT 77d (43) · DE 77 (36) · DE 77h (27) · FR 5 (24) · FR 6.4 (18) · RU Group V (11) · DE 77h.6 (9) · DE 77h.5 (9) · CH 129b (8) · NL 62 (7) · DE 77h.15 (7) · FR 10.1 (6) · DK 77 (6) · DE 77h.4 (5) · MX F. III (5)
IPCs:
None (762) · IPC B64C5/04 (9) · IPC B64B1/00 (4) · IPC B64B1/58 (4) · IPC B64C3/38 (2) · IPC B64C33/02 (2) · IPC B64C39/00 (2) · IPC B64C23/02 (2) · IPC B64B1/50 (2) · IPC F24F7/02 (2)
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First filing:
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