放射 ほうしゃ せん発生 はっせい装置 そうちじゃありませんでした
hōshasenhasseisōchijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 放射線発生装置

1. Was not a radiation-generating device.; Was not a radiation source.

Past/Perfective
Negative
Polite
Terminal Form