放射 ほうしゃ線量 せんりょう けいじゃなかったです
hōshasenryōkeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 放射線量計

1. Wasn't a radiation dosimeter.; Wasn't a radiation meter.

Past/Perfective
Negative
Polite
Casual Register