通電 つうでん焼結 しょうけつ ほうじゃなかったです
tsū den shōketsuhōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 通電焼結法

1. Was not powder metallurgy.; Was not sintering.

Past/Perfective
Negative
Polite
Casual Register