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Patents > CPCs : CPC B64B1/58 or CPC B64C11/20 & Number of claims: 2-3

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Inventors:
None (7) · Johann Schütte (4) · Hermann Ruthenberg (3) · Paul Frederik Degn (2) · Karl Roll (2) · Jakob Haw (2)
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None (10) · Johann Schütte (3) · Hermann Ruthenberg (3) · Karl Roll (2) · Paul Frederik Degn (2) · Jakob Haw (2)
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Tech fields:
LTA (39) · frame (11) · airship (11) · balloon (10) · Propellers (7) · Fabric (7) · envelope (6) · design (4) · Dirigible (4) · navigation (3) · ballonet (3) · Balloons (3) · Airplane (3) · Propulsion (3) · envelopes (3) · construction (3) · material (3)
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None (16)
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Citations from after 1930:
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