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Patents > Grant date: August 1920 & Cites these patents : Patent GB-1909-3202 or None

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Applicant person:
None (7) · Emil Schimanek (2)
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Tech fields:
None (14) · airplane (8) · construction (6) · frame (5) · propeller (4) · aerial propellers (3) · propulsion (3) · design (3) · wings (3) · airfoil (2) · air pressure (2) · subsystem (2) · control (2) · aerodynamics (2) · metal (2) · Safety (2) · propellers (2)
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CPCs:
CPC B64C3/00 (6) · None (5) · CPC B64C11/00 (5) · CPC B64C2700/6233 (4) · CPC B64C3/385 (2) · CPC B64C2700/6256 (2) · CPC B64C17/00 (2) · CPC B64C13/00 (2)
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Showing below up to 43 results in range #1 to #43.

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