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フッ素 ふっそ系 けい界面 かいめん活性 かっせい剤 ざいでした
fu' sokeikaimenka' seizaideshita

敬
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Noun
, 
Desu Copula

The polite past form of フッ素系界面活性剤

1. It was a fluorosurfactant.

Past/Perfective
, 
Polite
, 
Chemistry

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フッ素系界面活性剤でした

フッ素系界面活性剤でした【ふっそけいかいめんかっせいざいでした】 Activity

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