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Patents > Grant date: December 1911 & Family year: 1911 & Citations from after 1930: None

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Inventors:
None (2) · Halvor Gaara (2)
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None (3) · Halvor Gaara (2)
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Tech fields:
None (16) · frame (7) · LTA (6) · airplane (4) · design (4) · propulsion (3) · heavier-than-air (3) · propeller (3) · stability (3) · construction (3)
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CPCs:
CPC B64C2700/6295 (5) · CPC B64C17/00 (4) · CPC B64C39/00 (4) · None (2) · CPC B64B1/00 (2) · CPC B64C11/006 (2)
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