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過 か酸化 さんかナトリウムではありませんでした
kasankanatoriumudewārimasendeshita

敬
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Noun
, 
Desu Copula

The polite, past negative form of 過酸化ナトリウム

1. Was not sodium percarbonate.; Was not sodium peroxicarbonate.

Past/Perfective
, 
Negative
, 
Polite
, 
Formal Register

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過酸化ナトリウムではありませんでした

過酸化ナトリウムではありませんでした【かさんかナトリウムでわありませんでした】 Activity

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