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Patents > Inventor country: DE & Tech fields: frame & Number of claims: 3-4

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None (18) · Johann Schütte (6) · Ernst Heinkel (5) · Carl Hanschke (4) · Ernst Emil Freytag (3) · Carl Edler von Radinger (2) · Rudolf Wagner (2) · Ernst Carl Alexander Baumann (2) · Edmund Kikut (2)
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