Drilldown: Patents

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Patents > Tech fields : propellers or propulsion & Filing date: 1900 - 1999 & Supplementary to patent : Patent BE-1907-199348 or Patent DE-1895-98580 or Patent FR-1908-392672 or None & National tech categories: FR 6.2

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CPCs:
CPC B63H1/26 (5) · CPC B64C11/006 (4) · CPC B63H1/12 (4) · CPC B63H2001/122 (4) · CPC B64C11/16 (3) · CPC B63H1/32 (2) · CPC B64C11/04 (2) · CPC B64C33/02 (2) · CPC B63H1/08 (2) · CPC B63H2005/005 (2) · CPC B64B1/00 (2) · CPC B64C11/18 (2)
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Showing below up to 57 results in range #1 to #57.

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