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Patents > Grant date: 1912 & CPCs : CPC B64C2700/6218 or CPC B64C3/56

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Henri-Hubert Pagny (3) · Adolphe-François-Joseph Doutre (3) · None (2) · Marianne Burkhardt (2) · Louis-Adolphe Hayot (2) · Walter Borchardt (2)
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None (4) · Adolphe-François-Joseph Doutre (3) · Henri-Hubert Pagny (2) · Marianne Burkhardt (2) · Louis-Adolphe Hayot (2) · Walter Borchardt (2)
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Showing below up to 42 results in range #1 to #42.

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