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Patents > Inventor country : DE or NO & Tech fields: frame & Number of figures: 6-40

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None (8) · Fritz Alexander Jone (2) · Alfred K. R. A. Krakow (2) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (2) · Emil Lehmann (2) · Johann Schütte (2) · Georg Albert Rohde (2)
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