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Patents > Office : ?? or DE & Inventor country: DE & Applicant is inventor: None & Number of diagram pages: 1

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Office: (Click arrow to add another value)
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Tech fields:
airplane (20) · LTA (17) · frame (10) · subsystem (7) · balloon (7) · navigation (6) · propulsion (5) · nacelle (5) · propeller (4) · design (4) · safety (4) · car (4) · military (4) · storage (4)
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IPCs:
None (18) · IPC B64C3/00 (3) · IPC B64B1/64 (3) · IPC B64B1/58 (2) · IPC B64D1/02 (2) · IPC B64C3/56 (2) · IPC B64C1/00 (2) · IPC G08B5/40 (2) · IPC B64B1/22 (2)
First filing:
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Citations from after 1930:
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Showing below up to 59 results in range #1 to #59.

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