Drilldown: Patents

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Patents > Year filed: 1910 & Supplementary to patent : Patent FR-1908-392672 or None & Citations from after 1930: 3-30

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None (3) · USPC 244/3.23 (2) · USPC 244/60 (2) · USPC 244/17.11 (2)
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None (2) · CPC B64C39/08 (2) · CPC B64C2700/6295 (2) · CPC B64C27/82 (2) · CPC B64B1/40 (2) · CPC B64C17/00 (2)
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Showing below up to 30 results in range #1 to #30.

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