Drilldown: Patents

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Patents > Office : FR or GR & Publication date: 1921 & Cites these patents : Patent AT-1909-47911 or Patent GB-1909-25116 or None & Number of text pages: 1-2 & Number of diagram pages: 0-20

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Tech fields:
airplane (14) · Design (7) · control (6) · wings (4) · motors (4) · construction (4) · frame (4) · propellers (3) · monoplane (3)
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CPCs:
CPC B64C23/005 (3) · CPC B64C13/12 (2) · CPC B64C3/00 (2) · CPC B64C2700/6274 (2) · CPC G01S1/72 (2) · CPC B64C3/18 (2) · CPC B64C13/00 (2) · CPC B64C11/14 (2)
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