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Patents > Office : CL or DE or SU or US & IPCs : IPC B64B1/62 or IPC B64C33/00 or IPC B64C39/00 & Number of diagram pages: 1

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Office: (Click arrow to add another value)
Inventors:
Otto Koch (2) · Carl Kropp (2)
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Applicant person:
None (6) · Carl Kropp (2) · Otto Koch (2)
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Applicant is inventor:
Tech fields:
LTA (12) · Airplane (10) · propulsion (9) · frame (9) · design (5) · stability (5) · airfoil (4) · propeller (4) · balloon (4) · navigation (4) · human-powered (4) · wings (3) · wheels (3) · subsystem (3) · gas (3) · hybrid (3)
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Cites these patents:
Citations from after 1930:
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Showing below up to 43 results in range #1 to #43.

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