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Conference of the Symbols, Units and Nomenclature (S. U. N.) Commission of the International Union of Pure and Applied Physics (I. P. U.) at Paris, in July, 1932, and Its Results
Published on: 1932
Beginner Historical English

symbols units nomenclature commission physics
B-2A SPIRIT units in combat
Published on: 2006
Intermediate Leadership & Management English

B-2A stealth bomber combat units

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