Drilldown: Patents

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Patents > Year granted: 1922 & Grant date: 1900 - 1999 & Number of claims: 2-7

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None (7) · CPC B64C11/04 (3) · CPC B64C13/00 (3) · CPC B64C3/00 (3) · CPC Y02T50/145 (2) · CPC B64C2700/6233 (2) · CPC B64C11/20 (2)
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