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Patents > National tech categories: DE 77h.5 & Citations from after 1930: None & Number of figures: 2-3

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Inventors:
None (27) · Ernst Heinkel (4) · Anton Flettner (4) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (2) · Anthony Herman Gerard Fokker‎‎ (2) · Robert Esnault-Pelterie (2) · Gustav Mees (2)
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CPCs:
CPC B64C3/00 (16) · CPC B64C2700/6235 (11) · CPC B64C13/00 (9) · CPC B64C3/385 (5) · CPC B64C17/00 (5) · None (4) · CPC B64C35/00 (4) · CPC B64C3/56 (3) · CPC B64C9/02 (2) · CPC B64C2700/6295 (2) · CPC B64C39/00 (2) · CPC B64C3/52 (2) · CPC B64C3/42 (2) · CPC B64C11/00 (2) · CPC B64C2700/6233 (2) · CPC B64D2700/62692 (2) · CPC B64C9/00 (2)
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