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US1994490.pdf (file size: 197 KB, MIME type: application/pdf)

Patent No. 1,994,490. “Rocket Projectile"; granted to Leslie A. Skinner, of the United States Army, Aberdeen Proving Ground, Md.

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current22:43, 1 April 2020 (197 KB)RobertG (Talk | contribs) (Patent No. 1,994,490. “Rocket Projectile"; granted to Leslie A. Skinner, of the United States Army, Aberdeen Proving Ground, Md.)

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