一般 いっぱん公開 こうかいではありませんでした
ippan kōkaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 一般公開

1. Was not publicly released.; Was not open to the public.; Was not generally available.

Past/Perfective
Negative
Polite
Formal Register
Computing