Drilldown: Patents
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Patents > Filing date:
1900 - 1999
& Supplementary to patent :
Patent FR-1908-392672 or
Patent FR-1910-423792 or
Patent NO-1915-12-15 Carl Alfred Johansson
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CPC B63H1/20 (1) ·
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CPC B64C13/00 (2) ·
CPC B64C13/30 (3) ·
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CPC B64C2700/6214 (2) ·
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CPC B64C3/385 (3) ·
CPC B64C3/40 (1) ·
CPC B64C3/52 (2) ·
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CPC B64C39/00 (1) ·
CPC B64C5/08 (1) ·
CPC F04D29/281 (1)
Showing below up to 30 results in range #1 to #30.
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