略語大辞典 [MIL] 28 JAN Joint Army-Navy (アメリカの)陸海軍合同(商標). 軍規格部品リストの番号の先頭に使用する記号.Joint Army-Navy; or J; a government trademark identification; used as the part number prefix for most devices procured to the requirements of military specifications and standards; e.g. JAN Class B microcircuit 丸善「略語大辞典」JLogosID : 11879525