BTA
BTA
- 放送技術開発協議会 (Broadcasting Technology Association)
- 塩化ベンジルトリエチルアンモニウム (benzyltriethylammonium chloride)
- 塩化ベンジルトリメチルアンモニウム (benzyltrimethylammonium chloride)
- 二国間貿易協定 (Bilateral Trade Agreement)
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