Cite Filings / BCHT / 0001477932-11-000401

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NT 10-K

Filing

Birchtech Corp. Filed 2011-03-31 Acc 0001477932-11-000401

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NT 10-K , chyu_nt10k.htm

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2012-03-29 NT 10-K NT 10-K
2011-03-31 NT 10-K NT 10-K
2010-03-31 NT 10-K NT 10-K

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