債務 さいむ担保 たんぽ証券 しょうけんじゃなかったです
saimutamposhōkenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 債務担保証券

1. Wasn't a debt guarantee bond.; Wasn't a surety bond.

Past/Perfective
Negative
Polite
Casual Register