Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Family year: 1917 & Number of figures: 6-9

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CPC B64C1/065 (3) · CPC B64C3/00 (2) · CPC B64C2700/6212 (2) · CPC B64C2001/0081 (2) · CPC B64C17/00 (2) · CPC B64C13/12 (2) · CPC B64C2700/6274 (2) · CPC B64C23/005 (2) · CPC B64C11/24 (2) · CPC B64C11/20 (2) · CPC Y10T29/49334 (2) · CPC B64C39/00 (2)
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Showing below up to 34 results in range #1 to #34.

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