磁気 じきバブル記憶 きおく装置 そうちじゃなかったです
jikibaburukiokusōchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 磁気バブル記憶装置

1. Wasn't a magnetic bubble memory device.

Past/Perfective
Negative
Polite
Casual Register
Computing