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Patent GB No. 439,805, “Improvements in Jet Propulsion Apparatus for Aircraft, Projectiles, and Turbine Apparatus” Leduc, R, Seine-et-Oise,France, June 6, 1934.
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 22:43, 1 April 2020 | (936 KB) | RobertG (Talk | contribs) | (Patent GB No. 439,805, “Improvements in Jet Propulsion Apparatus for Aircraft, Projectiles, and Turbine Apparatus” Leduc, R, Seine-et-Oise,France, June 6, 1934.) |
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