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Patents > Office: FR & Filing date: 1910 - 1919 & National tech categories: None

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IPCs:
None (505) · IPC B64C39/00 (5) · IPC B64C17/00 (5) · IPC B64C1/00 (4) · IPC B64C23/00 (3) · IPC B64C3/54 (3) · IPC B64C11/16 (2) · IPC B64C25/00 (2) · IPC B64C11/20 (2) · IPC B64C3/42 (2) · IPC B64C11/06 (2) · IPC F42B10/50 (2)
CPCs:
CPC B64C39/00 (82) · CPC B64C2700/6295 (77) · CPC B64C17/00 (40) · CPC B64C35/00 (21) · CPC B64C3/00 (21) · CPC B64C13/00 (20) · CPC B64C23/005 (20) · CPC B64C2700/6256 (18) · CPC B64C2700/6274 (16) · None (15) · CPC B64C3/385 (15) · CPC B64C2700/6219 (14) · CPC B64C2700/6235 (13) · CPC B64C1/00 (13) · CPC B64C2700/6212 (11) · CPC B64C11/006 (11) · CPC B64C2700/6218 (10) · CPC B64C11/16 (10) · CPC B64C2700/6281 (10)
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