対戦 たいせん しゃ兵器 へいきじゃありませんでした
taisenshae ikija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 対戦車兵器

1. Was not anti-tank weaponry.; Was not an anti-tank weapon.

Past/Perfective
Negative
Polite
Terminal Form