鉱工業 こうこうぎょう製品 せいひんじゃなかったです
kōkōgyōsei hinja nakattadesu

Noun
Desu Copula

The polite, past negative form of 鉱工業製品

1. Wasn't industrial/mining products.; Wasn't manufactured goods.

Past/Perfective
Negative
Polite
Casual Register