ＯＡＳＩ

old age and survivors insurance

養老・遺族保険.
ｏｌｄ ａｇｅ ａｎｄ ｓｕｒｖｉｖｏｒｓ ｉｎｓｕｒａｎｃｅ;
[Ｅｃｏ:Ｐｏｌ].

丸善 「略語大辞典」 JLogosID : 11863574