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Patents > Tech fields : Design or automatic stability & National tech categories : FR 6.4 or USPC 244/30

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None (122) · Armengaud jeune (99) · E. Blétry (23) · None (22) · Charles Dony (19) · L. Chassevent (16) · J. Germain (15) · Dupont et Elluin (15) · Weismann et Marx (14) · J. Bonnet-Thirion (13) · Lavoix et Mosès (13) · Brandon frères (12) · Hippolyte Josse (11) · G. de Mestral et F. Harlé (10) · M. Zerolo (9) · Boramé et Julien (9) · C. Blétry (8) · Ch. Mardelet (8) · Louis Tailfer (8)
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IPCs:
IPC B64C17/00 (151) · IPC B64C1/00 (132) · IPC B64C39/00 (86) · IPC B64C35/00 (27) · IPC B64C3/00 (25) · IPC B64C23/00 (22) · IPC B64B1/00 (21) · IPC B64C11/00 (21) · IPC B64C3/38 (19) · None (18) · IPC B64C25/00 (17) · IPC B64C17/06 (14) · IPC B64C33/02 (14) · IPC B64C3/54 (13) · IPC B64C13/00 (12) · IPC B64C3/18 (11) · IPC B64C3/56 (8) · IPC B64C3/52 (8)
CPCs:
CPC B64C17/00 (159) · CPC B64C39/00 (76) · CPC B64C2700/6295 (68) · CPC B64C2700/6218 (66) · CPC B64C2700/6214 (25) · CPC B64C3/00 (25) · CPC B64C2700/6212 (24) · CPC B64B1/00 (22) · CPC B64C23/005 (22) · CPC B64C1/00 (20) · CPC B64C17/06 (18) · CPC B64C2700/6274 (18) · CPC B64C35/00 (18) · CPC B64C3/385 (17) · CPC B64C2700/6216 (16) · CPC B64C33/02 (15) · CPC B64C13/00 (15) · CPC B64C2700/6219 (14) · CPC B64F2700/6226 (14) · CPC B64C2700/6233 (13)
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