かく拡散 かくさん防止 ぼうし条約 じょうやくではありません
kakukaku sambō shi jōyakudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 核拡散防止条約

1. It is not the Nuclear Non-Proliferation Treaty.

Negative
Polite
Formal Register