Cite Filings / BCHT / 0000728385-10-000003

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NT 10-K

Filing

Birchtech Corp. Filed 2010-03-31 Acc 0000728385-10-000003

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NT 10-K , form12b-25_100331.htm

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2011-03-31 NT 10-K NT 10-K
2010-03-31 NT 10-K NT 10-K
2009-03-31 NT 10-K NT 10-K

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