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Patents > Applicant is inventor: Yes & Publication date: 1918 & Number of diagram pages: 1

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None (2) · Nicolaas Everhard Groeneveld Meyer (2) · Floris Albert van Heyst (2) · Heinrich Bier (2)
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Tech fields:
airplane (11) · Frame (8) · construction (6) · propellers (5) · wings (4) · instrument (4) · design (4) · aerodynamics (3) · military (3) · control (3) · navigation (3) · projectile (3) · stability (3) · airship (3) · subsystem (3)
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Showing below up to 37 results in range #1 to #37.

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