先端 せんたん技術 ぎじゅつじゃなかったです
sentangijutsujanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 先端技術

1. Wasn't cutting-edge technology.; Wasn't advanced technology.

Past/Perfective
Negative
Polite
Casual Register