冷延 れいえん鋼板 こうばんじゃありませんでした
reienkōbanjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 冷延鋼板

1. Was not cold-rolled steel.; Was not a cold-rolled steel plate.

Past/Perfective
Negative
Polite
Terminal Form