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Patents > Family year: 1913 & First filing: Yes & Number of figures: 3

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Inventors:
Bernard de Beer (2) · Joseph Allison Steinmetz (2) · Charles Denniston Burney (2) · Charles Maiche (2) · Sergei Tscherwinsky (2) · George Henry Challenger (2)
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Bernard de Beer (2) · Sergei Tscherwinsky (2) · Joseph Allison Steinmetz (2) · Charles Denniston Burney (2) · Charles Maiche (2) · George Henry Challenger (2)
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CPCs:
None (4) · CPC B64C17/00 (4) · CPC B64B1/00 (3) · CPC B64C13/00 (3) · CPC B64C2700/6295 (3) · CPC B64C25/60 (2) · CPC B64D17/00 (2) · CPC B64C35/00 (2) · CPC B64C33/02 (2) · CPC B64C3/00 (2) · CPC B64C2700/6256 (2) · CPC B64C2700/6212 (2) · CPC B64C3/385 (2) · CPC B64C13/0421 (2) · CPC B64C13/04 (2)
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